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Патент USA US2102513

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Dec. 14, 1937.
B: CHANCE
2,102,513
STEERING MEANS
Filed Dec. 24„1935
QNm.
w
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[W 777655 ,
2 Sheets-Sheet l
Dec. 14, 1937.
CHANCE
2,102,513
STEERING MEANS
Filed Dec. 24, 19:55
ì 2 sheets-sheet 2
V4
Arzt/Mfr
Patented Dec. 14, -1937
`2,102,513
UNITED' vSTATES PATENT OFFICE
2,102,513
sTEERlNG MEANS
Britton Chance, Mantoloking, N. J.
Application December 24, 1935, Serial No. 55,975
i1 Claims. (Cl. 114-144)
The present invention relates to automatic and lployed for turning the carrier íI in respect 'to
the ray or beam of iight. Ii the carrier Il is
immovable in respect to the ship it must turn
with the heading of the ship. Other ways of
other steering means for dirigible Vessels, as Well
as to course indicating, recording, and course
changing means, or in other Words, hand means
5 for steering the ship and course indicating and
turning the carrier will be presently described.
In the immediately following description the
turning movement of the carrier is initiated by
change in heading of the ship or, in other Words
changing mechanism independent of the steering
means Whether hand operated or operated by
photo-electric control or by mechanical control;
by the ship, and follow-hack turning ~movement
of the carrier is eilected by mechanism that will lll
and the objects as Well as the invention itself
lll will appear from the following description at the
end of which the invention will be claimed.
In the following description reference will he
E@
be described.
in course indicatinfr or recording,
made 'to >the accompanying drawings forming
change in heading of the ship with respect to the
direction established by the beam oi light causes
part hereof and in which,
~Figure l is a diagrammatic and schematic
View illustrating apparatus embodying tentures
oi the invention.
Figure 2 is aside View further illustrating
mechanism shown in Figure l,
cells i2, it and lli.
the center cell i3
po le
sitioned in the heain oi light it is energized and
its relay connections l5 serve to hold both the
contacts
and il'l open. Merely for the salie
of description, and referring to Fig. e, it may he
Figure 3 is an end View of apparatus also illus
tratecl in Figure l, and
-
the latter to fall upon one or the other ci the
assumed that the center line c-d or the carrier á
. il through the cell
and the center or luhber
Figs. 4, 5 and 6 are diagrams hereinafter re
Íerred to.
Referring to the drawings, I indicates a rudder
line ii-h or" the ship are in coincidence and that
the seam of light c--~c, fixed in terrestrial space,
coincides with the lines a-c and ’o-h and falls
25 and 2 the steering engine provided with follow
back mechanism,- as is Well understood in the
art. 3 is a steering Wheel for manually steering
on the cell i3, and. as a inodiñcation it may fall
upon a blank space between the cells l2 and I4.
In either case the motor 20 is at rest. One or
'the other of the cells i2 or i4 may he brought
into the beam or light c-c because of change
the vessel.
It is geared as by provisions 4 and 5
with a shaft or line of shafting G connected
30 through the steering engine 2, or in some cases
of _heading of the vessel which displaces the lines
that the shaft may be turned Without aiîecting
any of the parts connected with the clutch. 8
b-'o in respect to the beam c-c. Referring to
Figure 5 the heading of the ship or line b-b
has changed in respect to the beam c-.-c.' The
carrier II has turned as a unit with the ship and
the cell I2 has been moved into the beam c-c.
It may be remarked that the change in heading
of the ship may be intentionally brought about
by hand steering,` or in fact any kind of steering.
Under the assumption that the beam falls upon
indicates the card of a magnetic compass or a
the cell I2, Fig. 5, its relay circuit I9 is energized
gyroscopic compass. At the axis of the card
there is mounted a reflector 8 upon which vfalls
and the contact IT is closed with the result that
the motor 20, acting as the follow-back, is run in
one direction and acting through the sprocket
chain 2I and through the sprocket chain 22 and
gearing 23 turns the carrier back and the angu
lar turning motion of the carrier is in reverse
direction to the turning of the ship and is a func
tion of the turning motion of the ship, and this
condition obtains until the cell I3 is brought into
position in line with the ray or beam. By way 50
of further explanation the ship and the carrier
have been turned as a unit through the angle
defined by lines b--b and c--c, in counter-clock
wise direction and the carrier II has been turned
clockwise in respect to the ship through the same
directly with the rudder. However the vessel
may be steered, it is desirable to provide a course
indicator with or without a course recorder
which may be duplicated and arranged at con~
35 venient points throughout the ship. A descrip
tion will now be given of such a mechanism.
The clutch 'I is disengaged from the shaft 6 so
a beam of light or radiant energy from the
source I0. The mirror or reflector 9 reñects this
45 ray into a position fixed in terrestrial space for
the reason that it is mounted on the axis of a
magnetic compass needle or card. II is a car
rier turnably mounted about the axis of the com
pass card and it is provided with photo-electric
50 cells I2, I3 and I4. This system may be gim-I
balled by turning the carrier in respect to the
ray of light or energy it is possible for the ray
to fall on any of these cells and the incidence of
the ray on a cell establishes a substantial flow of
current through it.I Various means may be em
2,102,513
angle (Figure 6). Further change in heading
to bring the heading of the ship-y back to its es
of the ship in the same direction puts the cell I2
tablished course.
again in the beamand the described step is re
peated. The carrier and the indicator are, the
carrier, in respect to the ship, and the indicator
27, in respect to its pointer 23, by increments,
rudder transmitted through the gearing 2l, 22,
turned through an angle substantially corre
is
sponding
turned. with
It may
the be
angle
remarked
throughthat
which
the the
turning
ship
The turning motion of the
23 and 26 turns the carrier II so as to keep the
cell I3 in line with the beam whereupon the
steering» motor 20 again comes to rest. During
the described operation the course indicators 27
>and 3l and the course recorder 32 are operated
fords means which may be applied in a variety
of ways in steering'means. In this portion of
in synchronism with the gearing 23 and in that
Way indicate and record 4the course pursued by
the ship or the change in heading of the ship vin
pursuing that course.
Throughout this description it has been as
of thc carrier through substantially the same
angle as measures the deviation of the ship af
the description it is applied for operating one or
sumed that the clutch ¿JI was disengaged and a
more course indicators and/or recorders and for
controlling a reversible controller for automatic
steering.
¿
If the cell itl, instead of the cell I2, had been
description will now be given of the use of the
apparatus for steering by means of mechanical
control. For that purpose the clutch di is en
gaged ,and the clutch 7 is disengaged. The mo
brought into line with the beam the contact I6
tor 'i2 is now used as a steering motor and the
20 is closed producing the -described result but run
ning the motor in the opposite direction. In
asmuch'as the shafts 2li' and 25 and the shaft 26,
which turns the carrier. li, are by the gearing
23 turned in synchronism the shaft 213 may be
25 used as a means for driving the course indicator
27 which is shown as a disk turned in respect to
sprocket ¿i3 is a means for a follow-back.
The ‘
follow-back ¿i3 drives thecircular contact track
element titl and the roller contact element ¿l5 is
driven, for example, from a repeater motor llt.
The repeater motor ¿it may be driven from the
circuit 3@ which is controlled by the photo-elec
tric cells i2, i3 and lil with respect to their posi
an adjustably ñXed pointer 28. Similarly the
tion with reference to the beam or ray of light
or energy fixed in space. The repeater ¿i6 -turns
which through electrical connections 33, drives ‘ in one direction or the other in response tohead
30 another course indicator 3l, and also a course
ing of the ship from the established-course, and -^
recorder 32. "
»
in doing so it closes one or the other of the relay
To change the course use is made of the motor contacts ¿i7 and Il@ thus turning the steering mo
33. The motor clutch 36 is normally engaged on tor ¿l2 in one direction or the other and the steer
the shaft 35, but when the hand operated re
ing motor ¿i2 through the sprocket chain Ell turns
35 versing switch 36 is thrown in one direction or the steering shaft l5 in one direction or the other. 35
shaft 25 may be used to drive a contactor 29,
the other to change the course the motor 33 is _ The follow-back acting by Way of the sprocket
run in one direction or the other and at the same
chain Q3 turns the track element ¿i6 until the
time the clutch Sil is disengaged so as to free
the shaft 35 from chain sprocket 2l by reason
of the circuit 37 which energizes the magnets 38
of the clutch. The operation of the mmotor 33
is to turn the shaft 35, shaft 2li, gearing 23, and
‘ the gearing 23 turns the carrier II which estab
lishes a new course and at the same time the
45 course indicators 27 and 3| and the course re
corder 32 are appropriately operated. 'I‘he hand
wheel ¿l0 may be engaged with the shaft 2G and
used to turn the gearing 23 and in that way es
tablish a new course.
It may be remarked that
by turning the carrier I I the position of the cells
I2, I3 and Hl is angularly changed in respect to
the beam which is fixed-in space and therefore
equilibrium is not established until theheadin'g
of the ship shall have brought the beam into in
55 cidencewith the cell i3.
.
To automatically steer the ship by the photo
follow-back again establishes a position ¿in which
the rollers rest upon the insulation 5I and the
52 is a hand wheel or crank 40
by means of which the track Ml which carries the
insulation 5I may be shifted or turned in order
to change the course. The repeater motor ¿it
maybe replaced by a mechanical device such as
gear wheels from shaft 25 in much the vsame Way
motor ¿i2 is at rest.
as the course indicator is driven.
The dial 27 may be provided with compass in
dications and it land the indicator 28 are rela
tively adjustable to correct for error of compass,
-or to synchronize the indicator with- other parts
of the apparatus. This ’also applies to course
indicator 3l and course recorder 32.
It will be obvious to those skilled in the art
to which the invention relates that modifications
may be made in details of construction and ar
rangement and in matters cf mere form without
departing from the spirit of the invention which
electric mechanism described the clutch ‘I is en
gaged. The motor 20 is then a steering motor ' is not limited in respect to such matters or other
and the follow back is in accordance with 'rudder wise than as the prior art and the appended
movement by way of shaft 6, sprocket 2i, shaft
35, and connections 22, 2li, 23 and 26. Assuming
that the group of electronic devices has been so
positioned on the ship that the ray or beam -of
¿light falls on the middle cell I3 when the ship
65 is headed in the desired course, it is evident that
the steering motor 20 is at rest and the rudder
is consequently at rest. Now if the ship’s head
ing changes or deviates >from the established
course either the electronic device I2 or I4 is
70 brought into line-with the beam or ray and is
therefore energized. The effect of energizing
either of these electronic devices is to cause it,
75
acting through its relay circuit- and the appro
priate one of the circuit- closers I6 and I7, to
run the motor 20 in one direction or the other
claims may require.
`
60
Ifclaim:
1. Apparatus for steering a dirigible craft hav
ing a rudder, comprising means for providing a
beam of radiant energy, a plurality of devicesy
selectively responsive to said beam, means forV ‘
effecting relative movement between said beam
and said devices in response to 'change of the
courseof said craft, whereby one of said devices
is selectively activated, a motor, means control
lable by said devices for actuating said motor, h
means actuated by said motor for eiîecting fol
low-back relative movement between said beam
and said devices, manually operable mechanism
for actuating said rudder, means whereby said
motor may be connected at will to said mecha
3
2,109,518
nism to actuate said rudder automatically, a sec
ond motor, means actuated by said first motor
for controlling said second motor, and means
whereby said second motor may be connected at
Ul will to said mechanism.
2. Apparatus for steering and indicating the
course of a diriglble craft having a rudder, com
prising means for providing a beam of radiantI
energy, a plurality of devices selectively respon
sive to said beam, means for eifecting relative
movement between said beam and said devices
in response to change of the course of said
crai't, whereby one of said devices is selectively
activated, a motor, means controllable by said
devices for actuating said motor, means actuated
by vsaid motor for effecting follow-baci: relative'A
movement between said beam and said devices,
manually operable mechanism for actuating said
rudder, means whereby said motor may be con
20 nected at will to said mechanism to actuate said
rudder automatically, a second motor, means
selectively responsive to said beam, means for
eiîecting relative movement between said beam
and said devices in response to change of the
course of said craft, whereby one of said devices
is. selectively activated, a motor, means control
lable ïby said devices for actuating said motor,
means actuated by said motor for effecting fol
low-back relative movement between said beam
and said devices, manually operable mechanism
for actuating said rudder, a second motor, means 10
whereby said second motor may be connected at
will to said mechanism to operate said rudder au
tomatically, means including a reversible switch
ing device having a neutral position for control
ling said second motor, means operable by said
beam-responsive devices for actuating said
switching device, and follow-baci: means operable
by said mechanism to restore said switching de
vice to its neutral position.
5. Apparatus for steering a dirigible craft hav
ing a rudder, comprising means iîor‘providing a
operable by said beam-responsive devices for con- l beam oi radiant energy, a plurality of devices se
'trolling saidl second motor, and means whereby
said second motor may be connected at will to said
25
mechamm.
„
^
~
3. Apparatus for steering and indicating the
course of a diriglble craft having a rudder, ccm
prising means for providing a beam oi' radiant
energy, a plurality of devices selectively respon
30, sive to said beam, means for etiecting relative
movement between said beam and said devices in
response to change of the course of said crait,
whereby one of said devices is selectively acti
vated, a motor, means controllable by said de
35 vices for actuating said motor, means actuated
.by said motor ior effecting follow-back relative'
movement between said beam and said devices,
manually operable mechanism for actuating said
lectively responsive to said beam, means lor ef
iecting ~relative movement between said beam and
said devices in response to change of the course
of said craft, whereby one of said devices is se
lectively activated, a motor, means controllable
by said devices for actuating said motor, means
actuated by said motor for effecting ilollow-bacl;
relative, movement between said beam and said
devices, manually operable mechanism for actu
ating said rudder, a second motor, means where
by said second motor may be connected at will to
said mechanism to operate said rudder automat
ically, means including a reversible switching de
vice leaving a neutral position 'for controlling said
second motor, moans operable 'by said beam
responsive devices for actuating said switching
rudder, means whereby said motor may be con
device, follow-bacia means operable by said mech
nected at will to said mechanism to actuate said
rudder automatically, manually operable means
for eñecting relative movement between said
anism 'to restore said switching device to its neu
beam and said devices to change the course of the
craft during automatic actuation ci said rudder,
a seccnd motor, means actuated by said first
motor for controlling said second motor, and
trai position, and manually operable means for
actuating said switching device to change the
course of the craft during automatic operation oi
said rudder.
il. Apparatus ier steering a dirigible craft
-
ing a rudder, comprising means for providing a
means whereby said second motor may be con
beam ci’ radiant energ* , means responsive to said
nected at will to said mechanism.
4. Apparatus for steering and indicating the
beam, means for causing said beam to activate
50 course oir” a dirigible craft having a rudder, com
prising means for providing a beam of radiant
energy, a plurality of devices selectively respon
sive‘to said beam, means for eiîectlng relative
movement between said beam and said devices
yses in response to change of the course of said craft,
4whereby one of said devices is selectively acti
vated, a motor, means controllable by said devices
for actuating said motor, means actuated by said
motor for effecting follow-back relative move
said beam-responsive means in response to de
viation oi the craft from its course, a motor
adapted to actuate said rudder, means including
a reversible switching device having a neutral
position for controlling said motor, a repeater
motor for actuating said switching device means
means operable by said beam-responsive means
for controlling said repeater motor, and follow
back means responsive to the rudder actuation
for restoring said switching device to its neutral
position.
8. Apparatus for steering a dirigible craft hav 60
ually operable mechanism for actuating saidf ing a rudder, comprising means -for providing a
ment between said beam ` and said devices, man
rudder, means whereby said motor may be con
nected at will to said mechanism to actuate said
65
rudder automatically, manually controllable elec
trically operable `means for effecting relative
movement between said beam and said devices to
change the course of the craft during automatic
actuation of said rudder, a secondmotor, means
actuated by said first motor for controlling said
70 second motor, and means whereby said second
motor may be connected at will to said mecha
nism.
'
,
'
-'
5. Apparatus for steering` a dirigible craft hav
ing a rudder, comprising means for providing
75 a beam of radiant energy, a >plurality of devices
beam of radiant energy, means responsive to said
beam, means for effecting relative movement
between `said beam and said beam-responsive
means to cause said'beam to activate said beam
responsive means in response to deviation of the
craft from its course, a motor', means controllable
by said beam-responsive means for actuating said f
motor, a driving mechanism operable by said
motor, means operable by said driving mecha 70
nism for effecting follow-back relative movement
between said beam and said beam-responsive
means, manually operable mechanism for actuat
ing said rudder, and means whereby said motor
may be connected at will to said rudder-actuat-` 75
d
ing mechanism to actuate said rudder automat
ically.
ing mechanism for edecting follow-back relative
y
movement between said beam and said beam-re
9. Apparatus for steering adirigible craft hav
sponsive means, `iminually operable mechanism
ing a rudder, comprising means for providing a. for actuating said rudder, means whereby said
beam of radiant energy, means responsive to said motor may be connected at will to said rudder
beam, means for eiîectìng relative movement be
actuating mechanism to actuate said rudder
tween said beam and said beam-responsive means automatically, and manually-controllable elec
to cause'said beam to activate said beam-respon
trically-operable means for actuating said driv
sive means in response to deviation of the craft ing mechanism to vary the relation between said
10 from its course, a motor„means controllable by beam and said beam-responsive means and there 10
said beam-responsive means for actuating said by change the course of the craft during auto
motor, a driving mechanism operable by said matic actuation of said rudder.
motor, means operable by said driving mechanism
for effecting follow-bach relative movement be
, tween
said
beam
li. Apparatus for steering a dirigible _crait
having a rudder, comprising means for providing
and said beam-responsive ` a beam or radiant energy, means responsive to
means, manually operable mechanism for actu
ating said rudder, means whereby said motor may
said beam, means for effecting relative move
ment between said beam and said beam-respon
be connected at will to said rudder-actuating sive means to cause said beam to activate said
mechanism to actuate said rudder automatically, ybeam»responsive means in response to deviation
and manually operable means for actuating said of the craft from its course, a motor, means con
driving mechanism to vary the relation between trollable by said beam-responsive means for actu
said beam and said beam-responsive means and ating said motor, a driving mechanism operable
thereby change the course of the craft durinc, by said mcwr, means operable by said driving
automatic actuation of said rudder.
'
l0. Apparatus for steering a dirigible craft
having a rudder, comprising means for providing
a beam of radiant energy, means responsive to
said beam, means for eüecting relative move
ment between said beam and said beam-respon
sive means >to cause said beam-to activate said
beam-responsive means in response to deviation
of the craft from its course, a motor, means con
trollable Vby said beam-responsive means for
actuating said motor, a driving mechanism op
' erable by saidmotor, means operable by said driv
mechanism for effecting follow-back relative
movement between said beam and said beam
responsive means, a second motor adapted to
actuate said rudder, means including a reversible .
switching device having a neutral position for
controlling said second n‘iotor,l means operablel
by said driving connection for actuating said '.
switch device, and follow-back means responsive
to the rudder actuation for restoring said switch
ine- device to its neutral position.
earr’ron CHANCE.
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