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Патент USA US2411732

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Nov. 26, 1946.~
' `
Filed oct. 3051942'Y
4 sheets-sheet 1
Cecil Afeugy
Nov. 26, 1946.
c. s. KELLEY
Fi-_led Oct. 50,v 19,42
4 Sheets-Sheet 2
74 Tf
1 Nov. 26, 1946.
c. s. KELLEY
Filed Oct. 30, 1942
4 Sheets-Sheet Z5
Ce cil, 5. EQU,
Nov. 26, 1946.
~ 2,411,732
'Filed oct. 50, 1942`
¿sheets-sheet 4
Cecil SKelle
Y@ Q
Patented Nov. 2,6, i946
¿unirse stares remi“,sur? ortica
2,411,732coNTnoL DEVICE
Cecil S. Kelley, Forest Hills, Pa., assigner to The
Westinghouse Air Brake Company, Wilmerding,
Pa., a corporation of Pennsylvania
Application October 30, 1942, Serial No. 463,915
3 Claims. (C1. 711-471)
in Fig. 6.
more particularly to the manually operative type.
In the patent ofRoy Stevens, No. 2,383,278,
As shown in the drawings, the control valve
vdevice> comprises an irregular ring-shaped com.-l
bined mounting and pipe bracket I having suit
August 2l, 1945, there is disclosed an arrange
ment for selectively controlling the maneuvering
ably located holes '2 to receivesecuring bolts for
mounting the device in a desired position. A
base member 3 is secured ’by cap screws 4' to the g
gear of _a reversible Diesel engine. which is em`
played- to propel a-water craitl d This maneuver
ing _gear has a neutral'po'sition in lwhich the en'
gine is stopped, and is `rotatable to one side of
neutral position to a start position for causing
the engine to be placed in operation in a direc
tion to cause movement of _the ship forwardly.
Fig. 7 is a sectional view taken on the line 'I-l
This invention relates Ãto _control valve devices
for governing now of fluid under pressure and
10 upper face oi the bracket I and a' casing section
-ä' is- secured by cap screws t to the' lower face of
the base member 3 within the bracket I.`
vThe base member 3 hastwo vertically extend
Between this vstart position and the neutral posi
y ing parallel arranged end walls 'I and 8 -connected
tion there is a full _position to obtain full engine 15 together adjacent their base by a raised portion 9.
speed ahead, a slow positiontomcause operation
At one side of the raised portion 9 andbetween
the base'member 2 and the top of end walls -'I and
8, said walls are connected together by the
of the engine at idling speed, and the maneuver
in_g'gea'r vmay be adjusted to any selected position
between said full'and slow positions to obtain
diiîerent Yengine speeds. There is also a stop po
strengthening rib IB.
sition vfor stopping the engine. The> maneuver
ing gear is also rotatable to the opposite side of
neutral position _to reversely arranged start, full,
slow, and stop positions> for obtaining astern
movement ofthe craft. '
in_gge'ar is moved.
communication with each other through a stabi
lizing choke I5.
The_ diaphragm
pressure supplied to either one of two pipes while
fluid pressure provided in the selected pipe de
termining the position to which the maneuver
an inner wall I_2 separatingsaid chamber from
a chamber I3 Iprovided above a flexible dia
phragm I4. The two chambers I‘I and I3 arein
For positioning the maneuvering gear a iiuid
motor is provided which is operative by _iiuid
the .other pipe is open to the- atmosphere, the pipe
supplied with fluid under pressure determining
theside of neutral position to which the maneu
vering gear will be operated, and the degree of
' _The raised ~portion >S has substantially midway
between’ the end walls 1 and 8 la chamber II and
I4 is clamped aroundits edgev
between the'lower face _of the ¿b_ase member 3 and
the adjacent end of vthe .casing section 5. An
oppositely arranged and axially aligned ñexible
diaphragm I6 is clamped around its edge between
the opposite end of casing Section5 and a cover
I1. 'A' chamber I8 is formed between the dia-v
phragm ¿I6 and cover `Il and is in constant corn
35 munication with the atmosphere through anv
opening provided in an insect excluder I9. The
'The principal object ofthe invention is the
provision oi’ a multi-position operator’s control
adjacent faces ofthe two'diaphragms I4 and IS
device for selectively controlling pressure of fluid
are _open to chambers _Zß‘and 2_I, respectively,
in l.twopipes »to govern operation of a motor such 40 which are in permanent communication with
each yother through a passage'22 provided in _an
as _above described and embodying novel arrange
annular »_rib 23 projecting inwardly `from the _cas
ments for deiining different positions thereof andA
ing section '5 above the diaphragm I5. `_In use,
for automatically preventing said device inad
chamber 2i! _is constantly ¿supplied with _fluid un
vertently remaining in certain of said positions.
.Other Aobjects and advantages will be apparent
from the following more detailed description of
the invention.
In the accompanying drawings: Fig. l is an ele
vational view of one end of the improved control
device; Fig. 2 is a sectional view taken generally
on the line 2_-2 in Fig. v'1 but with certain parts
broken _awayto more clearly show certain interior
construction of the device;` Figs. 3 to 6 are sec-.
tional views taken _substantially on the. lines- 3-,i_3,'f`
4&4; .iffaalid ß-arespectively, in Fig. 2; and
der pressure' ,from any Suitable Sourceçbv Way 0f
a Supply pipe ¿1,1 îw'rmecßed t0 the hlîaçkßt „Il and
opening to a passage 'I8 in the base memberS
which passage in turn _opens vto a passage 7_9 _in
the'casing'sectiOn _5, the passage 'I9 leading to „
Chamber 2,8-
The rib ì2_3 supports in chamber 2i! one rend of a
controljspring îßtheoppositeend of which bears
against' an annular spring seat 39. The'seat '3_9
ijsmounted'pn _avstem`21 and/urged by spring 33
against ,a yshoulder 48 on said'stem. The _spring
38 is fully expanded with the parts of the device
in the position shown and is operative to oppose
downward movement of the stem 21 and thereby
to the atmosphere through one or more radial
The central portion of diaphragm I4 is clamped
valve seat on its lower end which is provided fori
ports 55 provided in sleeve 4I above the plunger 55.r
The plunger 5|] has a portion 51 of reduced sec
tion depending therefrom into chamber 53 and.
of diaphragme lil and I3 from this position, as
will be hereinafter described.
171 provided with an axial bore opening through au
between two followers 24 and 25, the follower 25.
engaging an annular collar 25 provided on stem
21, which stem extends through the chamber 20
and said followers and diaphragm into chamber
I3. A nut 28 disposed in chamber I3' has screw
threaded engagement with the wall of a bore 29
provided in the end of stem 21 and is tightened
against the follower 24.
Y y '
The rib 23 has a bore lined with a wear bush
ing 38 arranged in axial alignment with the two
diaphragms I4 and IS, and the stem 21 extends
through this bushing and centrally through the
the diaphragm I 3 into chamber i8. Above the
rib 23 thestem 21 is reduced in section to provide
a shoulder 32, and a wear sleeve 3| is mounted
on this reduced portion of the stem with one
end in engagement with said shoulder. The sleeve
engagement by the release valve 45. The release.
valve 46 has a fluted stem 58 extending through
this bore into a bore 59 of larger diameter in
which there is slidably mounted a spring seat
ôû'having one or more openings 6I adjacent its
peripheral edge connecting the spaces at oppo
site sides of said seat. The plunger` 55 also has
an upwardly projecting portion 62 of reduced
section extending through chamber 54 and in slid
ing engagement with an inturned collar 63 pro
vided at the upper end o-f sleeve 4|. The bore 59
extends to a point above collar 63 where it joins
a screw-threaded bore 64. Just below the end
20 of the screw-threaded bore 64, the portion 62 of
plunger 58 has two oppositely arranged radial
bores 65m which are disposed pins E6 extend
ing from opposite ends of a cylindrical spring seat
51 which is of slightly smaller diameter than
bores 65 so» that said seat may be inserted into
bore 59 through either of the bores 65. A coil
spring 68 is disposed in bore 59 under pressure and
3| extends through bushing 3e in sliding contact
therewith and its opposite end contacts a follower
33 which is disposed in chamber 2| in contact
with the upper side of the diaphragm i6. The
stem 21 extends through follower 33 and a follower
acts at one end on the spring seat- 51 and at the
34 mounted against the opposite face of the dia
opposite end on the spring seat ûû, this spring
phragm I3, and a nut 35 provided on the end of 30 biasing the release valve 46 to its open position
stem 21 in chamber I8 is tightened against the .
shown and moving the spring seat 61 upwardly
follower 3‘4 clamping same centrally to one side
until the pins 66 engage the uppermost portions
of the diaphragm I6 and thereby securing the
ofthe bores 55 in which position the Spring seat
follower 33 against the opposite side of the día
@l is held against longitudinal movement and
CQ Ol thus secured within the bore 59.
An adjusting screw 35 having a screw-threaded
An operating screw 1E) is threaded into bore
connection with cover I1 extends through said
64 and on its outer end is provided with a head
cover into chamber IB in alignment with nut 35
1I. A lock nut 12 on screw 18 is arranged to en
for engagement thereby. A lock nut 31 is pro
gage the end of the extended portion 62 of
vided on screw 3S for engagement with the 40
plunger 50 for securing the screw 1D in an ad
exterior of the cover I1 to lock said screw in an
position. A coil bias spring 13 under pres
adjusted position.
sure encircles the portion of sleeve 4I extending
The nut 28 above diaphragm Iâ has an upwardly
above the raised portion 9 of the base member I
extending sleeve-like projection 48 the end of
and is supported at one end on said member while
which is mounted to slide in one end of a sleeve
its opposite end bears against a ring-shaped seat
4I. This end of sleeve 4I is secured in a bore
'i4v secured on the portion 62 of plunger 50 by
through wall I2 and the sleeve extends through
suitable interlocking means 15.
chamber II and the opposite wall thereof in the
The raised portion 9 of the base member 3 con
raised portion 9 of the base member I to a point
like selector valve devices 82 and 83 ar
above said raised portion between the end walls 50 tainstwo
ranged one at _each of thel opposite sides of cham
1 and 8.
The bore 29 in the diaphragm connecting stem
21 is in permanent communication through a
smaller bore 42 and one or more radial ports 43
ber II and thus between said chamber and the
end walls 1 and B, respectively.
The selector valve device 82 comprises two op
positely seating axially aligned poppet valves 85
with chamber 20 and contains a ñuid pressure
and 86 which are arranged to move in a direction
supply valve 44 having a fluted stem 45 extend
at right angles to the axis of sleeve 4 I. The valve
ingthrough an axial bore provided in nut 28
85, which is a duid pressure supply valve, is con
into the projection 45 thereof wherein it contacts
tained in a cavity 8.1 which is open to chamber
a fluid pressure release valve 46. The nut 28 is
II, and said valve has a iluted stem extending
provided with a seat for engagement by the
valve 44 and a spring 49 extending through bores 60 through a wall 88 into a chamber 89 which is open
to a pipe 90. The valve 85, which is a release
29 and 42 acts on said valve for urging same
valve, is contained in a chamber 9| which is open
into contact with said seat.
through a passage 92 to the atmosphere. The
A plunger 50 is slidably mounted in sleeve 4I
above the release valve 43 and is provided with 65 valve` 85 has a fluted stem extending'through a
wall 53 into chamber 89 wherein it engages the
an .annular groove 5I in which there is disposed
stem of the supply valve 85. The stems connect
a sealing ring 52 contacting the bottom of said
ing the two valves provide for seating of one valve
groove and the wall of said sleeve for prevent
when the other is unseated.
ing leakage of fluid under pressure from a cham
.A cap nut` 94 closes an opening to cavity 81
ber 53 below the plunger to an annular chamber 70 and hasa bore containing a coil spring 95 which
54 above the plunger. The chamber 53 is in
bears'against the supply valve 85 for seating same
permanent communication with theinterior of
and at the same time unseating the release valve
the sleeve projection 45 of nut 218 and through
86. _»A cap nut 98 closes an opening to the release
one or more radial ports 55 in sleeve 4I with » l valve .chamber 9| and is provided with a through
chamber II. The chamber 54 is constantly open 75 bore in axial alignment with said valve and in
The combined lengths .of the shaft bearings inthe '
Several cams. inthe quadrant and the spacer
which there is slidably mounted an operating
f sleeve 91. «'The sleeve 91 is. closed at its outer end
but has a bore open at its inner end and in this
bore is slidably mounted a plunger 90 which bears
sleeve is substantially Ythe same as the distance
between the bearing bushings |22 land |23 in _order
to hold the cams and quadrants in definitie po
against the 'releasev Valve 86 and behind this
plunger is a spring 39 under pressure and acting
sitions between the walls v1 and 8.
A hand operated lever or handle |3| is> Dro
on said plunger. The plunger 98 has a stem |00
vided for turning the shaft |20 and thereby _the
extending through spring 99 and in the inner end
several cams and quadrant mounted thereon. _By
of said .stem is a diametrical elongated slot
way of example the lever I3I may have at either
through which extends a pin I0| secured at oppo 10 Side of a “neutral” position, Zones’of movement
site ends in sleeve 91. With the release valve 86
suchias indicated in Fig. 1 by the legends V“Ahead”
unseated by spring 95 the pressure of spring 99 .
is removed from said valve by engagement of pin
and “Astern,” and in each Zone there may be a
plurality'of diiïerent positions such as are also
IOI with one side of the slot in the plunger stem
indicated in Fig. l by legends.
|00. Upon inward movement of sleeve 91 it acts
through spring‘SQ on plunger 98 to seat the valve
876 and unseat valve 85. The spring 99 then pro
vides for further inward movement of the plunger
91 relative to the release valve 86, by means which
, .
This lever |3`| comprises an operating member
|32 slidably mounted on a reduced portion of the
shaft |20, which projects beyond the wall 8, into
contact with a shoulder |33 on the shaft and with
the adjacent end lof sleeve |30. A key |34 se
will ¿be hereinafter described.
cures the shaft |20 to the lever |3I for rota
The selector valve device 83 is identical in
tion therewith. A nut |35 on the end of the shaft
structure to the device 82 >and therefore will be
secures the operating member |32 against the
described vonly briefly. The selector valve device
83 comprises a supply valve |05 contained in a
cavity >|06 which is open to chamber | | and is op
shoulder |33 and thereby against the adjacent
erative to control communication between said
cavity and a chamber |91 which-is open to a con
trolpipe fl 08. Y The valve device further comprises
end of sleeve |30 which acts against the cam
member |25. Since the cam |24 is in contact with
the enlarged end portion IZ'I or” the shaft |26,
saidshait is thus secured _against longitudinal
movement in the walls 1 and 8.
an oppositely seating release valve |09 contained
The hand operated lever I3| _further >comprises
in> a `chamber I >Iii which isopen to atmosphere 30 a spindle |36 one end of which is rigidly con
through a port | |:|.
The release valve |09 is -ar
ranged to control communication between cham
nected by screw threads and a rivet |31 to the
operating member |32. A locking member |33 is
ber I I-0 and chamber |01. «A spring I I2 in cham
slidably mounted Ion the spindle A|33 to a posi
ber |06r acts on the supply valve |65 to seat same
tion adjacent the operating >member |32 and be
and ¿at the same time unseat the release valve 35 yond this locking member is ahandgripportion
|69, »while a plunger IIS is arranged to be oper
_|39 screw-threaded to the spindle |36 as at |40.
ated by a spring ||4 uponpinward movement of
The inner end of `the ‘hand grip portion |39‘has
an operating sleeveI I5to seat the release valve
a recess inwhich there is disposed a coil spring
|09 and open the supply valve |05.
I4| which vis underr pressure and bears against
v It will now> be seen that while brothl of the se
the locking member v|38 for urging same in the
lector valve devices. are of identical structure, the
direction of the operating shaft |20.I A recess
selector valve device 82 is provided for control
|42 is provided in the opposite end of the hand
ling ,communication between pipe 9|), and cham,
grip portion |39 for receiving a nut |43 which is
ber ‘III and atmosphere, whilegthe selector valve
secure-dv by screw-threads to the outer end of
device 83 is provided to control communication 45 spindle |36. lThe outer end of recess |42 is closed
between pipe I~08,and chamber II and atmos
by a cap |44 secured in the end of the hand grip
portion 4|39 by a rivet |45. It will be seen that
Directly above the screw 10 connected with
due `to the Vscrew-threaded connection between
plunger. 5i] there is an operating shaft |20 extend
the hand grip |39 and spindle |36 said grip is
in_g atright angles to the axis of said plunger be v50 capable Aof rotation relative >to the spindle, and
tween the end walls 1 and 8. This shaft has at
upon rotation in one direction will move longi
one »end an `enlarged portion |2| which is jour
tudinally of the spindle toward the locking mem~ .y
naledjina bushing |22 secured in the end wall 1
ber I 38 While upon‘rotation in the opposite ydirec
while the Aopposite end >of Athe -plunger extends
tion said ¿grip will move away from said locking
through a bushing |23 secured in the AWall 8. 55 portion.
Slidably mounted on shaft |20 between the end
Projecting from wall 8 in the direction of stem
walls Tand 8 are cams |2-4~and |25 disposed di
rectly over the selector valve devices 82 and 83
respectively, and a cam |23 disposed directly over
the plunger . operating screw 10.
I 36 is an arcuate rib |46 having `formed around its
outer surface an arcuate V-shaped rail |41 ar
ranged concentric to the operating shaft |20.
Between the 60 The operating member |38 on spindle |36 has a
cams |24 and |23 is a disk-like .quadrant |21,
while betweeny the cams |25 and |26 isa spacer
sleeve |28. .
The operating shaft |20 is provided with a slot
extending substantially from wall i to wall 8
and >in this ¿slot is a key |20. - The cams |24, |25,
and> «|26 and the quadrant |21 4are properly
grooved’ftoreceive thek'ey E29 for securing said
cams 'and quadrant in desired relative positions
on the 'shaft for rotation therewith. `In assem
bling-,the shaft |20 is threaded through the bush
ing |122 and then :serially Vthrough theïseveral
cams, the quadrant; the spacer sleeveand ñnally
through .lthezbushing 123 into which aV bearing
sleeve î|ï30 is inserted over the end of theshaft.
projection provided with an arcuate groove into
Whichthe rail |46 fits, the -rail being of such
length »as -fto remain in :said groove throughout
the full range of movement of the lever ISI.
When the lgrip -I39‘is turnedvon the spindle |36
against the locking member |38, said member
is .forced against> the rail |41 to .thereby secure
the han-d operated lever |3I ¿against movement.
70 In order to move the lever I3I,V the grip |39» is
turned out' of contact with »the locking member
|38 „whereupon the ¿force between said member
and the rail |41 is reduced'to’the smallV amount
providedïby ,spring ;I.4.I which does .not interfere
with freezmovement of .saidleven but which main
tains the parts constantly in cooperative relation
and avoids chattering between said parts._
of said lever Afrom one position to another and
thus tend to prevent accidental shifting of said
' A fulcrum bar |48 arranged parallel to the op
erating shaft |20 is disposed at one side thereof
substantially opposite the rib ||l and has its op
provided on its end with a` nose |15 disposed to
contact the peripheral surface of cam |24. This
lever also has a downwardly extending arm |16 in
the lower end of which is screw-threaded an ad
justing screw |11 arranged to engage the oper
posite ends supported in suitable bores through
the end walls 1 and 6. Rockably mounted on
this bar are two levers |49 and |50 aligned with
the peripheries of cams |24 and |25, respectively,
a quadrant arm |5| aligned with the periphery of
quadrant | 21, and an arm |52 aligned with the
periphery of cam |26, and between the lever |50
and arm |52 is a spacer sleeve |23 which is se
` The lever |49 has an upwardly extending arm
ating sleeve 91 of the selector valve device 82. A
lock nut |18 is provided on the screw |11 for
engagement with arm |16 to secure the screw |11
in an adjusted position.
Directly above the selector valve device 82 is a
pin |80 having one end supported in the arm |16
cured to the bar |48 by a key |54.- The combined
length of the bearing portions of the two levers
|49 and |56 of the two arms |5| and |52, and of
adjacent the adjusting screw |11. This pin is
the sleeve |53 is substantially the same as the
slidably mounted in a bore provided through a
distance between the `walls 1 and 8 carrying the
rib I8! connecting the raised portion 9 of the
ends of the fulcrum bar |48 so as to thereby
base member to the end wall 1. A spring |82
maintain the diiierent levers and arms in coop 20 encircling the pin |80 bears at one end against
erative relation with the respective cams or quad
the rib |'8| and at the opposite end against a
rant on the operating shaft |26, vand the key |54
collar |83 provided on the p-in adjacent the lever
cooperates with said bar to hold these parts
arm |16. This spring is under pressure and
properly assembled between> the ends -walls 1
eifectiveto hold the nose portion |15
and 8.
25 of lever |49 in constant contact with the periph
The quadrant arm |52 extends -from the ful
eral surface of cam |24.
crum bar |48 underneath and beyond the center
The peripheral surface of cam |24'has a por
of the quadrant |21 and in its free end is provided
tion |84 formed at a radius to permit the lever
with a recess |60 open to the lower face of the
|49 to occupy the position shown in Fig. 4` in
arm. A pin |6| lhaving its lower end supported 30
the supply valve 85 of the selector valve
in a recess provided in the raised portion 9 `of
device 82 is seated and the release valve 86 is
the base member | extends through the recess |6|
open. The surface of cam |24 also has a portion
and a bore opening through said arm into the
|85 formed at a greater radius for displacing the
bottom of said recess. A coil spring |62 under
|49 in a clockwise direction as viewed in
pressure and >encircling the pin |6| is supported
Fig. 4 for seating the release valve 86 and open
at one end on a collar |63 ñxed on said pin while
ing the supply valve 85. These two portions |84
the opposite end engages the arm |5| within the
and |65 of the peripheral lsurface of cam |24 are
recess |6|. Substantially below the quadrant
joined by a connecting portion |86 which is so
|21 the arm |5| has a raised portion |64 which
is urged against the peripheral surface of quad 40 located that upon clockwise movement of the
operating lever |3|, as viewed,- in Fig. 4, or open
rant |21 by the spring |62.
of said lever into the "a1iead” zone, the
The quadrant |21 is provided in its peripheral
release valve 86 'of the selector valve device 82
surface with a. recess |55 to receive the raised
will be closed and the supply valve 85 opened by
portion |64 of arm |5| when the operating lever
|24 in a position of said lever intermediate
| 3| is in “neutral” position shown for defining
the “neutral” and “stop” positions in said Zone
said position. At one side of recess |65 the quad
and then vbe maintained in this condition in all
rant has a recess |66 for receiving the raised
of said lever between such intermediate
portion |64 of arm |5| when the operating lever
position and the “start” position at the opposite
|3| is in the “stop” position in the “astern” zone.
Another recess |61 is provided in the quadrant 50 end of said zone. When the lever |3| is moved
to “neutral,” the portion |84 of the surface of
to receive the raised portion |64 of lever |5| for
cam |24 will be moved under the nose |15 of
defining the “slow” position in the “astern”
lever |49 to permit seating of the supply valve 85
zone. Still another recess |58 is provided in the
and opening of the release valve 86 just before
quadrant for receiving the raised portion |64 o-f
obtaining “neutral” position and this condition
arm |5| for defining “full” position of the oper
of said valves will then be maintained in all posi
ating lever |3| in the “astern” zone. Movement
tions of the operating lever |3| at the opposite
of the lever |3| past this “full” position to the
side of “neutral” position.
adjacent “start” position is provided for by the
The lever |50 has one arm provided with a nose
slope |69 of one side of the recess |68 and it will
be noted that the force oi'spring |62 applied 60 portion |96 engaging the peripheral surface of
cam |25 and another arm |9| provided in its end
through the raised portion |64 on arm |5| to
with an adjusting screw |92 disposed to contact
this slope will tend to return the operating lever
plunger Il 5 of the selector valve device 83, a lock
from said "start” position to said “full” position.
nut |93 being provided on the screw |02 for en
At the opposite side oi" recess |65 the quadrant
|21 is provided with recesses> |10, |1|, and |12 65 gagement with said lever to secure said screw in
an adjusted position. One end of a pin |94 is
for deñning the “stop,” “slow,” a-nd “full” posi
disposed in a recess in the lever arm |9| while its
tions, respectively of the operating lever in the
other end is slidably mounted in a suitable bore
“ahead” Zone, one side of recess |12 constituting
provided through a rib |95 connecting the raised
a slope |13 to function like the slope |69,above
` ..
70 portion >6 of the base member 2 with the side
It will be apparent that cooperation of the
wall 8. A coil spring |96 mounted on pin |94
raised portion |64 on the quadrant arm |5| with
bears at one end against the rib |95 and at its
the different recesses in the quadrant |21 not
opposite end against a collar |91 provided on said
only act to define the different positions of thel
pin.- This spring is under pressure and therefore
operating lever |3| butv also to oppose movement 75 effective to hold the nose portion |90 of lever
'|9I in> constant contact with the peripheral sur
face oi cam |24.
The peripheral surface of cam |25 has portions
|97 and |98 formed at different radii and con
nected by an inclined portion |99, these portions
corresponding to like portions |84, |35 and |88
on the cam |24. T_he portion |99 of cam
|25 is so located as to operate lever |50 for seat
ing the release valve |09 and> opening the supply
valve |05 in the selector valve device 8’3 .when
the operating lever |3|, upon counterclockwise
movement as viewed in Fig.'5, or upon movement
into the “astern” zone, passes through a position
intermediate the» “neutral” position and the
In the peripheral surface of cam |26 is a re
cess 204 arranged to receive the roller 292 with
the operating lever |3| in its “neutral” position.
The screw 'Iii in the extension @2 of plunger 50
is so adjusted that with the lever |3| in “neutral”
position and with the diaphragms I4 and i6 in
their normal positions and with the supply valve
44 seated as shown in Fig, 3, the release valve
seat onthe depending portion 5l of the plunger »
50 will be spaced from the release valve 4S a
chosen distance due to the action of spring 68 on
the stem 5B of said valve which maintains same
in constant contact with the stem 45 of the sup- y
ply valve 44.
At one side of the recess 2&4 the cam |25 is
“stop” The cam |25 is then adapted to main 15 provided with a surface 205 for contacting the
tain these valves in this condition in all positions
roller 202 whileat the opposite side of the re'
of the operating lever |3| beyond this interme
cess is an identical surface 206 for contacting
diate Aposition in the ‘fastern” Zone and to provide
roller, these two surfaces being arranged re
for'closing of the supply valve |05 and opening
versely- so that the surface 205 Will displace the
i of the release valve |09 in all positions of said 20
roller 204 and thereby the plunger 50 from nor
lever to the right of this intermediate position
mal position shown in Fig. 3 in a downwardly
and in the “ahead" zone.
direction upon movement of the operating lever
. VIt will be noted> that the two selector cams |24
|3| from “neutral” position in to the “ahead”
and |25 are of identical structure but that one is
zone, While the surface 206 is provided to accom
mounted on the operating shaft |2| in turned
plish the same result upon movement of lever
over end to end relation with respect to the other.
|3| in the opposite direction from “neutral” po
Each is provided with two key ways, as shown
sition into the “asternf’ zone.
in Figs. 4 and 5, one key way for cooperation with
Referring particularly to surface 205. When
key |29 to provide cam |24 and the other key
the control lever |3| is turned into the “ahead”
way for cooperation with said key to provide the
zone, this surface is arranged to move the de
cam |25.
pending portion 51 of the plunger 50 into en
From the above description it will now be seen
gagement with the release valve 45 and to then
actuate said valve to open the supply valve 44
to a certain extent by the time the operating
handle attains the “stop” position. Further
movement of the operating lever |3| from “stop”
position to “full” position in the “ahead” zone
will then provide gradually anv increased dis
placement of the plunger 5U in a downwardly di
~ valve |09 unseated lin the selector Vvalve device 40
rection.- Continued movement of thev operating
»83, while in the selector valve device 82 the sup
lever from “full” to “start” position in the “ahead”
ply valve B5 will be opened and the release valve
zone will 'then provide still further downward
86 closed in a position of the lever intermediate
movement of the plunger 50 and preferably of a
the “neutral” and “stop” positions, and this con'
" greater degreev for the extent of lever movement
dition of these valves will then be maintained in
than obtained between the "slow” and “full” po
all positions of the operating lever to theleft
sitions for corresponding movement of the oper
(Fig. l) of the intermediate position in the
ating lever. The end of surface 205 opposite
“ahead” Zone. On the other hand when the op
recess '204 `joins an abrupt rise 201 formed sub
erating lever |3| is turned from “neutra” po
stantially at the radius of roller 202 yand ywhich
sition’ into they“astern_” zone, the supply valve
isV provided for contact with said roller in the
85 will remain seated and the release valve Bt
“start” position of the operatinglever |3| >for
open inthe selector valve device >82, while in the « defining such position and preventing movement
selector valve device 83 the release valve |09
of said lever past same.
will'be closed and the supply valve |05 opened,
The portion of surface 205 eng-aged by roller
and ‘this condition of these valves will be' main
204' 'between the “full” and “start” positions is of
tained in al1 positions of the operating lever to
such slope thatthe pressure of spring '19 applied
thel right (Fig. 1) of the l'intermediate position
through -the roller 202 to said surface tends ’_to
inthe “astern” zone.l g
. p
n _
return the lever |5| from the “start” >position -to
that with the operating lever | 3| in “neutral”
position, as shown in the drawings, the supply
valves will be closed and the release valves open
in both of the selector valve devices 32 and 83.
When the operating lever |3| isk turned out of
“neutral” `position into the “ahead” Zone, the
supply valve |05 wi11 remain seated and release
The arm |52jwhich _is pivoted on the iulcrum
position. '5T-he purpose _of this tend
bar `|48 haslits freer end disposed between the 60 thev y“full”
` o automatically return'lever |3| ‘from
peripheral surface'of‘cam |25 and the head li
‘fstart’l’fposition to “ful1”`position upon removal
of,` the adjusting 'screw "IB in the upper -endof
plunger 50, Isaidffre'e :end beingfprovided
oney » of manual force from said lever and this may be
side with a rounded> surface v>»Zîlithaving sliding
contact- with the screw- head v4l |` In the opposite v
side Aofthe free end vof arm `|52is a recess formed
' between two Vjaws 20| and in which is disposeda
roller 202 mounted to roll on a pin 259' carried
by said jaws. The lroller 202 is thus aligned for>
contact with the peripheral surface of cam' |26
and it is constantly maintained yin contact there
with by the `pressure 'of ‘spring 13 'applied through
' seat 14 to the 'extension 12 ofÁ plunger 5% and
thus through the surface 200 .on arm '|52jto the
.roller 20.2. '
, obtained by the vsole action of either yof, springt?,
as just described or of spring |02 applied lthrough
the _raised portion |84 of the quadrant armv |5|
when -in contact withsurface k'|l'3V 'on' the quad
rant member |24, as above described, or prefer
l ablyloy the combined action of both springs.
~ From the above'description it will now‘be seen
that‘plung'er 15d vwill occupy its .most elevated posi
tion with respect 4to cam |25»` when the operating
lever 4|3| is in :its ‘,‘neutral”';position and due to
action of cam surface 295 upon 'movement of,
said lever iout »of said position ¿into the f‘ahead”Y
zone, said plunger will be displaced downwardly
from its normal position to an extent dependent
upon the position of the operating lever away from
“neutral” position, the maximum displacement of
said plunger being attained in the “start”
Upon movement of lever I3| from ‘fneutral”
position into the “astern” Zone the cam surface
28B and an abrupt rise 288 at the end of said sur
face opposite recess 284 is arranged to function
identically to surface 285 and rise 201 upon
movement of the operating lever |3I in the
sure therein above atmospheric pressure. At the
same time as fluid is thus supplied through cham
ber II to pipe S8 it also ilows from said chamber
through the stabilizing choke I5 to chamber I3
above the diaphragm I4 wherein the pressure in
creases substantially with the increase in pipe 9U.
When the pressure thus obtained in chamber I3
and acting on the upper face of diaphragm I4
becomes increased to a sufficient degree to over
10 come spring 38, the .diaphragms I4 and I6 are
deilected downwardly relative to the supply valve
44 and ñnally moves nut 28 into engagement with
“ahead” zone as above described.
said valve for preventing further flow of ñuid
under pressure to chambers II and I3 and pipe
90. The supply valve 44 is thus closed in a posi
tion of the diaphragms I4 and I6 and in a pres
walls and from the base member 3 at one side of
sure condition of spring 38 determined by the
the device to the base member at the opposite
extent of downward movement of said valve by
side and is secured at opposite ends to said base
the cam |25 and therefore `by the position of lever
member by cap screws 2I2 thereby fully enclos 20 I3 i, and it may be assumed that this occurs when
ing the cams, levers, springs, and all other parts
the pressure in chambers |I, I3, and pipe 90 is
of the device disposed between the two walls of
increased to a degree such as ten pounds with the
the base portion.
operating lever in the “stop” position.
If the lever is now moved from. “stop” posi
tion to “slow” position in the “ahead” zone the
In operation, let it be assumed that the supply
supply Valve 44 is displaced downwardly further
pipe 'I‘I is connected to any suitable source of
and out of seating contact with nut 28 follow
fluid at a pressure such as eighty-five pounds per
ing which fluid will again flow from diaphragm
square inch as a result of which fluid at the same
chamber 28 to chamber II and thence to pipe 9|)
pressure will be effective in chamber 28 between 30 and chamber I3. The consequent increase in
the two diaphragms I4 and I6. Due to the fact
pressure in chamber I3 will then move the dia
that the opposing areas of diaphragms I4 and I8
phragm I4 downwardly to again cut-off the sup
are the same, the pressure of fluid in chamber 28
ply of fluid past the valve 44 when the pressure
acting on one diaphragm will equal and balance
in pipe 80 is increased to a degree correspond
that acting on the other diaphragm. ' Also let it
ing to the new position of the supply valve 44
be assumed that the operating lever ISI is in
as determined by the control lever ISI in the
An inverted substantially U-shaped cover 2Iû
extends between the end walls 'I and 8 with
flanges 2| I overlapping the outer surfaces of said
“neutral” position and that the adjusting screw
l0 has been adjusted to allow, in said position,
“slow” position.
If the operating lever i3| is now moved from
unseating of the release valve 46 with the control
the “slow’ï position to “full” position in the
spring 38 fully expanded. As a result, chamber 40 "ahead” zone a corresponding further downward
I I and thereby cavities 81 and |06 containing the
movement of the supply valve 44 away from the
supply valves 85 and |85 of the selector valve
end of nut 28 will occur to allow further flow
devices 82 and 83 will be open to atmosphere past
of fluid under pressure from chamber 28 to cham
the release valve 46, spring seat 68, chamber 54
ber ,il and thence- to pipe 95 and chamber I3 at
surrounding the extension 62 of plunger 52 and .- the upper side of diaphragm I4 and as a result
thence through port 58. With the operating
the diaphragm I4 will be deflected downwardly
lever I3I in its “neutral” position the supply
further‘against spring 38 and again cause seat
valves 85 and |85 in both of the selector valve
ing of the nut 23y against the supply valve 44
devices 82 and 83 will be closed and the release
when the pressure in said pipe is increased to
valves 85 and |89 will be open so that both con-`
the degree called for by the position of the oper
trol pipes 88 and |88 will be open to the atmos
ating lever. The pressure attained in pipe 95
phere past said release valves and thence through
in “slow” position of` lever I 3| may for instance
ports 92 and I I I, respectively.
be twenty pounds per _square inch while that
Now let it be assumed that the operator moves
the operating lever I3I to “stop” position in the
“ahead” zone.
This movement actuates the cam
|24 and thereby the lever |49 to seat the release
attained in “full” position may be of a degree
such as sixty pounds. If instead of being moved
to the “full” position the lever I3I is moved yto
a position intermediate the “slow” and -“full”
positions, in the “ahead” zone, the correspond
selector valve device 82 to thereby connect pipe
ingdownward movement of .the supply. valve 44
S8 to chamber II, while simultaneous operation
60 will result ina corresponding less degree of pres
of _cam |25 allows the valves in the selector valve
sure being attained in the control pipeA 5€). Thus
device 83 to remain in the position Shown in Figs.
the pressure attained in pipe-,Qû‘mayfby proper
5 and 6 in order to maintain the control pipe I 08 ì
positioning of the control lever I3I between the
open to the atmosphere with the operating lever
“slow” and “full” positions inthe “ahead” Zone
in “ahead” zone..
n '
limited to any desiredintermediate degree.
When the lever ISI is moved to the “stop” posi
If the operating leveris now moved from “full”
tion just described the cam I 26 is operated to
position to “start” position the supply valve 44
move plunger 5|] into seating engagement with
will again be unseated for increasing the pres
the release valve 4G and to then move said valve
sure of fluid in pipe- Si] which >will cause further
to unseat the supply valve 44 to a slight extent. 70 downward movement of the diaphragms. How
Fluid under pressure supplied to chamber 2|) be
ever, upon a slight downward movement‘of the
tween 'the two diaphragms then flows past the
diaphragms in response to this increase in pres
supply valve 44 to chamber II and thence past
sure in chamber I3 the nut 35 on the end ofthe
the supply valve’85 in the selector valve device
diaphragm connecting stem 2| will preferably
82 to-the control -pîpe 90 for increasing the pres-v 75 engage the adjusting screw 36 and limit suchv
valve 8E and open the supply valve 85 in the
2543i 1,7352
downward movement to. a position in which the
supply valve 44 will be maintained open in order
that the pressure in pipe 90 'may increase to the
maximum degree effective in chamber 20 between
the diaphragms, or to a pressure such as eighty
ñve pounds.
1er/er in the “ahead” zone. »Thus if the 'handle
is moved -i'nto the “astern” 'Zone to “stop” posi
tion, a pressure such as ten pounds will be pro
vided in the control pipe |08. A pressure such as
twenty pounds-will be provided in pipe '|08 in the ,
“slow” position, sixty pounds in the “full” posi
tion, any desired intermediate' degree of pressure ,
Upon removal of manual force `on lever` I3! in
between the ‘fslow” 'and “full’f positions, and the
maximum pressure of eighty-five `'pounds will be
obtained in pipe |08 in the “start” position. The
-inbefore described and aided by the pressure 'oi
valve mechanism includingl >Ithet fdiaphragms , I4,
fluid in chamber II acting in the plunger 50.
Hi, supply valve 44, release valve 46, plunger 50,
Since lthe pressure in chamber i3 will initially1
and cam |26, constituting what is commonly
hold‘the 'diaphragme It' and 1E against ’move
known as a self-lapping valve device, thus oper
ment by 'spring 33 uponsuch movement of lever
the same for each direction of movement of
isi, spring V41 vwill hold the supply valve 4t seated 15 Í¿tes
the operating handlel i3! from l“neutral” position,
and the depending portion 51 of plunger 50 will
the direction of movement of said handle, how
therefore be moved by spring 'i3 and the pressure
ever, determining whu'ch of the pipes 90 or |08 is
of fluid in chamber II acting o'n said plunger
supplied with fluid provided by said mechanism.
away from the release valve 4G which at Ythis time ‘
_In vorder to positively secure the operating lever
will be held against movement by spring 68. As
the “start” position, said lever will automatically
. be returned to “full” position by forces here
lîiI ‘against accidental movement out of “neutral”
a result, Iiuid under pressure will iio‘w from pipe
position I provide a latch 2I4 for securing the
operating lever in “neutral” position. This latch
is mounted between two jaws 2 I 5 projecting from
the wall 8 and is pivotally carried by a pin 2I6
secured in the jaws. VThe member I3?. of the
50 and chambers II and chamber I3 past 'the
release valve 46 to the atmosphere.
When the
pressure of iiuid in chamber' It above diaphragm
I4 is thus reduced sufficiently, the spring 38
will move the diaphragms Mfand I6 in an up
operating lever YI3I has an extended portion
provided in its end with a recess 2 I1 so arranged
44 move the release valve ’45 into 'seating engage
-as to receive latch 2I4
in “neutral” 'position of
ment with the depending portion 51 of plunger 50
'positively secur
at the time 'the 'pressure of fluid in chamber
in either direc
I3 and pipe 90 becomes reduced to the degree
tion from “neutral” position.
(sixty pounds) called for with the operating lever
The wall 8 back of the pivoted portion of lock
I3I in the “full” position.
2M has a recess in which is slidably mounted
If the operating lever I3! is now returned from
wardly vdirection and through the supply valve
a plunger 2I3 and which contains a spring 2I9
“full” to “slow” position the consequent upward
movement of plunger 50 by spring 13 will again
acting on said plunger urging same against Athe
pivot-ed portion of the latch. The latch has two
nat sides for engagement by the plunger 2I5, one
for engagement with the latch when released
unseat the release valve 46 as a result of which
the pressure in pipe 90 and in chamber I3 above
the diaphragm I4 will again reduce past the re
from the operating lever I3I as shown in Fig. 2
lease valve 46 and as this reduction takes place 40' and the other for engagement when the latch
the diaphragm spring 33 will move the dia
2I4 is disposed in the recess 2'I1 in said lever,
phragms I4 kand I6 upwardly to cause seating of`
engagement between the plunger 2I8 and either
the release valve 4t at the time the pressure of
of the flat sides being arranged to hold the latch
fluid in pipe 90 and chamber I3 becomes reduced
in either one position or the other and to oppose
to the degree (twenty pounds) corresponding to
movement of the latch out of such position.
the “slow” position of the operating lever. If the
operatingrlever is returned only part way .from
-“full” position toward “slow” position the pres
From the above description it will now be seen '
sure in pipe 00 will be correspondingly reduced,
that I have provided a relatively simple and com
as will be apparent. If the lever is now returned
pact manually operative control valve which will
from “slow” position to “stop” position, the
accurately provide in either of two pipes a con
plunger 50 will again be moved away from the
trol pressure corresponding to any selected posi
release valve 46 by spring 13 and the pressure
tion,y of the manually operable handle-or lever
of iiuid in pipe 90 and chamber I3 above the
Vin order to obtain positive control or positioningY
diaphragm i4 will then reduce and the spring
of a device such as the maneuvering gear here
38 will actl through spring 41 to seat the release
inb'efore referred to.
valve 4E when this pressure is Yreduced to the
Having now described my invention, what I
degree (ten pounds) determined by the position
as new and desire to secure by Letters Pat
of the operating lever. V_Return of the operating
lever I3I to "neutraP’ position will permit plunger 60
50 to move to a position in which the release '
valve 45 will remain open as shown in Fig. 3
and above described and also will eifect oper
ation of the selector valve device 82 to open pipe
90 to atmosphere.
On the other hand, if the operating lever I3I
is moved from its “neutra ” position into the
l. A control 4device comprisingy a rockable
shaft, a lquadrant arranged to turn with said
shaft and having a plurality of spaced recesses
arranged in an arc concentric with said shaft
and corresponding in number and spacing to diff
ferent positions of said shaft, means arranged
to turn said shaft toits diñerent positions, a de
tentv member arranged to enter one of said re
“astern” zone, the selector valve device82 will
cesses in each different position of said shaft for
f maintain pipek 90 open to
defining said position, spring means acting on
1 the selector valve devicev 83 will be operated to 70
said detent member urging said detent member
vopen pipe |08
against said quadrant, a earn operable with said
fluid will be supplied to said pipe _ata pressure ' shaft, a controlled memberA arranged to be con
depending upon the position of the lever in the v
trolled by said cam, pressure means urging said
controlled member »against said cam, the surface
yobtained vin the different like positions of said 75
“astern” zone and corresponding to the pressure
2,41 1177.33
of said cam, cooperating with said controlled
member upon movement of said shaft beyond
positions defined by the two end recesses in said
quadrant, being arranged so that the pressure of
said controlled member against said cam by said
pressure means Will urge said shaft, cam and
quadrant to the position deñned .by interengage
having a plurality of spaced recesses arranged
in an arc concentric with said shaft and corref
Sponding in number and spacing to different po
sitions of said shaft, means arranged to turn
said shaft to its different positions, a detent
member arranged to enter one of said recesses
in each dilferent position of said shaft for denn
ment of said detent member with the yadjacent
said position, spring means acting on said
recess in said quadrant. v
detent member urging said detent member
2. A control device comprising a rockable 10 against said quadrant, one side Wall of each of
shaft, a quadrant arranged to turn With said
the two end recesses in said arc being arranged
shaft and having a plurality of spaced recesses
so‘ that in a position of said shaft beyond each
included in an arc concentric With said shaft and
corresponding in number and spacing to differ
ent positions of said shaft, means arranged to
turn said shaft to its diíîerent positions, a detent
member arranged to enter one of said recesses
in each different position of said shaft for defin
ing said position, Spring means acting on said
detent member urging said
detent member
against said quadrant, a cam operable with said
shaft, a controlled member controlled by said
cam, pressure means urging said controlled mem
ber against said cam, said cam being arranged
to cooperate with said controlled member in po
sitions of said shaft `beyond the two end recesses
in said arc to deñne the last named positions of
said shaft.
3. A control device comprising a rockable shaft,
a vquadrant arranged to turn with said shaft and
ofsaid end recesses the pressure of said detent
member against the said side Wall of the respec
tive end recess Will urge said shaft back to the
position defined by the adjacent end.y recess, a
cam operable with said shaft, a controlled mem
ber controlled by said cam, pressure means urg
ing said controlled member against said cam, said
cam` comprising means arranged to cooperate
with said controlled member in the said positions
of said shaft beyond the said end recesses to de
ñne the last named positions of said shaft, and
other means operable to render said pressure
means effective on said controlled member, in
cooperation with the pressure of said spring ap
plied through said detent member to said quad
rant to urge said shaft back to the position de
ñned by the adjacent end recess.
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