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Dec. 31, 1946.
_
D. s. WlLLSON
2,413,570
‘COMPOUND MOTION FLUID DISTRIBUTION VALVE FOB WABBLER PLATE METERS
Filed Dec. 23, 1944
' 5 Sheets-Sheef. 1
I
'
Dec. 31, 1946.»
' ’
D, s, WILLSON
2,413,670
COMPOUND MOTION FLUID DISTRIBUTION VALVE FOR WABBLER PLATE METERS
Filed~Dec. 23, 1944
5‘SH'eets-Sheet 2
Jude/lion
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?tiorf y.
Dec. 31, 1946.
D. s. WQILLSON
'
2,413,670
COMPOUND MOTION‘ FLUID DISTRIBUTION VALVE FOR WABBLER ‘PLATE METERS
Filed Dec. 25, 1944
>
5 Sheets-Sheet s
Dec. 31, 1946.
D. s. WILLSON
2,413,670
COMPOUND MOTION FLUID DISTRIBUTION VALVE FOR WABBLER PLATE METERS
Filed Dec. 23, 1944
5 Sheets-Sheet 4
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- Dec. 31, 1946.
D. s. WILLSON
2,41 3,670
COMPOUND M‘OTION FLUID DISTRIBUTION VALVE FOR WABBIJERIPLATE METERS
v Filed Dec. 23,
1944 ‘
'5 Sheets-Sheet 5
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2,413,670;
Patented Dec. 31, 1946
UNITED STATES PATENT OFFICE
2,413,670
COMPOUND MOTION FLUID DISTRIBUTION
VALVE FOR WABBLER PLATE METERS
David S. Willson, Muskegcn Heights?t?ch, as
signor to John Wood Manufacturing Company,
Inc, Philadelphia, .Pa., a corporation of Dela
ware
Application December 23, 1944, Serial No. 569,477
4 Claims.
(01. 121-119) ‘
2
1
VI. Fig. VIII shows the valve ‘moved clockwise
90 degrees from the position in which it is shown
in Fig. VII. Fig. IX shows the valve moved‘
are particularly adaptable for use in dispensing
clockwise 90 degrees from the position in which
apparatus which measures accurately the vol
it is shown in Fig. 'VIII.
ume of ?uid dispensed. My improved meter is
Figs. X and XI are schematic views showing
also adaptable for other uses, such as for in
the relative radii of the meter valve and the ports
stallation in a pipeline to measure accurately
controlled by said valve.
the volume of ?uid ?owing under pressure
Fig. XII is a fragmentary vertical sectional
through the pipeline, etc.
My invention relates particularly to improve 10 View of the valve structure shown in Fig. IV, on
a plane of section at right angles to the plane
ments in the valve means embodied in the'meter.
of section of Fig. IV. and taken on the lines
One object of my invention is to provide a ?uid
XII—XLI in Figs. I, III and V.
meter which will operate with a minimum of
Referring to said drawings; the meter 'is con
energy consumption, resulting in a minimum of
15 veniently formed in three parts comprising the
pressure drop and maximum accuracy.
top cover i, main body casing 2 and base por
Another object of my invention is to provide a
tion, or bottom closure, 3. Said top cover I is
meter valve in which there is but little hydraulic
My invention relates to improvements in ?uid
meters of the positive displacement type which
conveniently rigidly connected to the body casing
pressure on either of its valve seats.
2 by means of a circumferential series of bolts
Another object of my invention is to pro
vide a meter valve in. which no vertical load is 20 5 which extend'through openings in the ?ange
e of the top cover i into matching screw threaded
imposed on the crank shaft which rotates the
holes
I in the ‘outer ?ange 3 of the body casing
valve.
Another object of my invention is'to provide
a meter valve in which the contacting lip of the
flexible valve cup leather is supported and re
tained in position by means of a ring encircling
the valve cup leather.
Another feature of my invention is to pro
vide a meter valve in which the ?exible valve
cup leather is stressed toward itsseat by means
of a series of springs interposed. between ‘the
upper and lower faces of the valve.
,
_
My invention includes the, various novel fea
tures of construction, arrangement, and method
of operation hereinafter described.
In said drawings:
Fig. I is atop plan view of a meter embodying
my invention.
Fig. .II is a vertical sectional ‘view, partly in
elevation, taken on'the lines 'II-—'II in Fig. I. .
‘Fig. III is a plan view of the meter body-shown
in Fig. II, but-with the top cover, valve, and top of
the crank shaft not shown.
Fig. IV‘ is a vertical sectional vview of the‘
structure shown in 'Fig. I, taken on the lines
IV--'IV in Figs. I, III and V.
Fig. V is a plan view, similar to ‘Fig. III, but
showing the meter valve in position on :its' valve
2. I ?nd it convenient to interpose the gasket
9 ‘between the top cover I and body casing 2 in
. order to maintain said top I and body casing
in .fluid tight relationship. vSaid bottom closure
3 is ‘conveniently rigidly connected to the body
casing 2 by a circumferential series of bolts H)
which extend through openings in the ?ange
52 of the bottom closure 3 into matching screw
threaded holes formed in the bottom ?ange [3 of
the body casing 2. I ?nd it convenient to inter
pose the gasket I5 between the :bottom closure 3
and body casing {2 to maintain said bottom clo
sure 3 and body casing 2 in ?uid tight relation
ship.
Saidbottom closure 3 is provided with'the inlet
opening 16 Which is in registry with the inlet pas
sageway ll formed in the body casing 2. Said
4,4 inlet passageway II is in open communication
with the inlet chamber it formed in said top
cover I. Said meter is adapted to be mounted
with the inlet opening it in registry with, or con
nected to, a source of ?uid under pressure which
is measured as it passes through the meter. For
example, as shown in Fig. IV, I have shown my
improved meter mounted on top of an air elimi
nator chamber, indicated in dotted lines, of a
gasoline dispensing apparatus, and with the inlet
‘.Figs. V1,. VII, VIII, and IX vare schematic 50' opening it in registry with the outlet opening
it‘ in the top cover 2! of the air eliminator.
porting ‘layouts showing in'plan different posi
vI ?nd it ocnvenient'to form the valve seat 23
tions of the valve withrespect to'the .valve'ports
as aseparate ?at plate which is rigidly connected ,
which are opened and closed ‘byvthe valve. .‘Fig.
to the top wall 24. of the body casing 2 by means
VII shows the valve vmoved 90'degrees clockwise
of a series of screws 125 which extend through
from :thepositi'on i'in which itiis ‘shown .inLFig.
seat.’
.'
'
'
.
‘
2,418,670
4
drilled or punched openings in said valve plate
‘23 into engagement with matching screw (thread
ed holes in said top wall 29:. Said valve plate 23
I ?nd it convenient to form the web 50 of the
wabble plate 39 as a spider, including a series of
openings 5! in spaced relation to the series of
is provided with the series of three port open
sockets 38 which are formed in enlarged portions
ings 26 therethrough which are in registry with
openings 2'! formed in the top wall 24 of the
body casing 2. The openings 21 are larger than
tne accurately formed port openings 26 in the
in the spider arms of said wabble plate 39. Said
openings 5! are formed in the wabible plate mere
said cylinders may be formed either as an inte~
gral part of the body casing or formed in a cyl
inder block as a part of the body casing, such
in the hub of said worm gear 62. Said worm gear
62 is in engagement with the worm 63 which is
rigidly mounted on the worm shaft ‘Ill. Said
ly to lessen the weight thereof. The wabble plate
39 is provided with the socket 52 and said wabble
valve plate 23, and, accordingly, the effective port
plate 39 is concentrically mounted in the cham
area is determined by the con?guration and area 10 ber 29 on the hemispherically~shaped ball end
of the accurately formed ports 25 in the valve
53 of the adjusting screw 54. Rotation of the
plate 23. Each port 26 is in open communica
wablble plate 39 is prevented by the pin 56, rigidly
tion with its piston cylinder 28. I ?nd it conven
mounted in a boss formed in the bottom closure
ient to form said piston cylinders 25 as pressed,
t, which extends through an elliptically-shaped
or stamped, inverted steel cups which are ‘rigidly
opening formed in the web ‘it of the wabble plate
secured to the underside of the top wall 24 of
3%. The use of an elliptically-shaped opening
the chamber 29 of the body casing 2 by means of
and'pin extending ‘therethrough to permit muta
screws 39 which extend through punched or
tion of the wabble plate, but to prevent rotation
drilled openings in the top walls of the cups 28
thereof, is well known in the art. The adjusting
into engagement with matching screw threaded
screw 513 is in screw threaded relationship with
holes formed in the top wall 24 of the chamber
the screw threaded opening 5'! of the boss 58
29. The top wall of each cylinder cup 28 is pro
formed in said bottom closure 3. Said adjusting
vided with an opening 32 which is in registry with
screw 54 has the reduced stem portion Ell which
port opening 26 for that piston cylinder.
has rigidly connected thereto at its lower end, by
Although I have found it convenient to illus
means of the pin iii, the worm gear 62. The re
trate my invention with reference to a three cyl
duced stem portion 60 is provided with the pack
inder type of meter, it is obvious that the number
ing 63 and packing ring 64. Said packing 63 and
of piston cylinders used is optional, and although
packing ring S4 are retained in position by the
I have shown and described the piston cylinders
spring 65, the upper end of which engages the
28 as being formed as separate cups attached to
ring lid and the lower end of said spring 65 is in
the top wall of the body casing, it is obvious that
engagement with the bottom of the socket formed
constructions being old and well known in the 35 worm shaft ‘ill is provided at its outer end, not
art.
shown, with' a screw driver slot for conveniently
.As best shown in Fig. IV, each of the cylinders
effecting adjusting movement of said worm and
28 is provided with a piston assembly 35 which is
worm gear. Calibrating adjustment of the meter
mounted in a. cylinder 28 for reciprocation in re
may be e?ected by inserting a screw driver in
sponse to the ?uid pressure on top of the piston. 40 the slot in the end of the worm shaft It to turn
In Fig. IV, for purposes of clarity, I have shown
the worm E8 to effect either clockwise or counter
only the cylinder and piston assembly coming in
clockwise movement of the worm gear 62, to raise
the line of section. Each piston assembly 35 in
or lower the round-headed adjusting screw 54 and
cludes a connecting rod
provided at its lower
wa'bble plate 39 in engagement therewith, to thus
most‘end, as viewed in Fig. IV, with a ball end 45 shorten or lengthen the stroke of the piston as
31 which is mounted and con?ned in a socket
semblies 35 in their respective cylinders 28.
38 formed in the wabble plate‘ 39. Each ball end
As best shown in Fig. IV, the wabble plate 39
(if is conveniently retained in its socket 38 by
is provided with the drive stem shaft 12 which is
means of a. washer 3?’ and snap ring 3'5". Al
iournalled in the drilled opening 13 formed in
though I have shown the sockets 38 formed as
the driving block 14 of the crank arm driving
an integral part of the wabble plate 38, it is obvi
block assembly.v Said driving block 14_ is mounted
ous that said sockets may be formed as separate
with freedom of pivotal movement on the pin 15,
stampings inserted into openings formed in said
wa'oble plate, as is well known in the art. Each
piston assembly 35 includes a cup leather 4!], pis
ton backing plate ti, intermediate plate 42, pis
ton spring retainer plate 433, and piston expander
spring 45. The piston spring retainer plate 133, in
termediate plate 1&2, cup leather 4E3, piston ex
pander spring as and piston backing plate 4| are
the opposite ends of which areheld respectively
in the bifurcated crank arms‘ 16 (only one of
which is shown in Fig. IV) formed on the crank
1'! rigidly connected to the lower end of the crank
shaft 18. Said pin 15 extends through an elon
assembled together by means of a series of screws
gated opening 80 formed in said driving block 14,
and, accordingly, said driving block 14 is thus
mounted with freedom of both pivotal and recip
rocatory movement in its sliding engagement
d5, one of which is shown in Fig. IV, which ex
Within the bifurcated crank arms 16 of the
tend through matching openings formed in said
crank 11 connected to the crank shaft 78.
piston spring retainer plate 3, intermediateplate
Reciprocatory movement of the driving block
182, cup leather {it into matching screw threaded 65 14 in the bifurcated crank arms 76 is lim-'
‘ holes formed in said piston backing plate 4:.
ited by the pin ‘I5 coming into engagement with
Each piston assembly 35 is mounted on the screw
either end of the elongated opening 843 of the driv
threaded reduced portion 41 of the piston rod 35
ing block 14. The driving block 14 is provided
and maintained in rigid position on the piston
with the spring 8i held between the inner cup
rod 36 by means of a nut 48. The piston assembly 70 Washer 82, in engagement with the ends of the
shown and described is of a well known construc
bifurcated crank arms 16, and the outer cup
tion wherein the piston expander spring 125 is
washer 83 which is rigidly mounted on the right~
adapted to maintain the upturned edge of the cup
hand end of the driving block 14 by means of the
leather lit in continuous frictional engagement
screw 85. Such driving block assembly places a‘
with the side wall of the cylinder 28.
75 loading on the stem shaft 12 substantially at right
2,413,370
.6 '
anglesitotheaxisof said wabble platestem shaft
12, with the result that all of the forces of the
spring 8i act to hold the wabble plate 39 on the
wabble plate ‘tracklif formed on the'upper side
of ‘the bottom closure
as viewed in Fig. ‘IV.
The crank arm and-driving block assembly here
in disclosed is described "and claimed in my oo
underside of said web 98 to the top surface of
the'valve 96. I ?nd it convenient to form ‘four
such» openings I I6 located ‘90° apart through said
web ‘9'8, although in 'Fig. 'XII there are shown
only the two openings HE which come in the
plane of section.
»
The chamber I20, formed in the-valve 9B, is in
continuous‘open communication with the cham
ber-29 through the outlet ports 52E ‘formed in the
The crank arm ill is‘rigidly connected to the 10 valve plate 23. Said outlet port openings l2l are
in registry with‘openings I23 formed in the top
reduced screw threaded lower end portion of the
wall 21! ‘of the body casing 2. The openings ‘I23
crank shaft 18 by means of a nut and lock
arelargerrthan the accurately vformed outlet port
Washer. LSaid crank :shaft ‘it is journalled in
opening iii Tin ‘the valve plate 23, and, accord
the ‘thrust bearings :93 and 9! which are press
ingly,‘the effective outlet port area is determined
?tted in the opening formed in the bearing 83
by‘the con?guration and area of the accurately
which is ‘formed conveniently as an integral part
formed outlet ports l2! in the valve plate 23.
of .:the ‘main body casing 2. As'shown in Fig.
Each outlet port opening l2| is in open com
Xllsaid crankshaft ‘i3 .is provided at its upper
munication with the chamber 29 of the body cas
end,.insintegralirelation therewith, with the crank
ing 2.
arm ;95 which drives the meter valve .96. The
As best shown in Fig. 11, said chamber 29 is
crank shaft ‘.118 rotates in a vclockwise direction,
in open'communication with the outlet passage
as viewedinlFigs. I, III and V. vThe crank arm
way 1'25 formed .in the bottom closure -3. Said
‘H, at the lower end of the crank shaft ‘iii, pref
outlet passageway i2?) is in open communication
erably is fastened to said crank shaft that '90"
with the outlet passageway H25 formed in the
clockwiseofrom'the 'crank‘pint? which drives the
body‘ casing 2, and the outlet pipe I2] is con
meter valvexg?.
nected to the screw threaded opening I25 formed
isaidicrank arm .95 is provided with the crank
in the top of the outlet passageway I26. The out
pin '57 ‘which is journalled in the bearing 98
let passageway I25 is in restricted open com
formed inthe top integral web 83 of the valve .56.
As bests‘hown in Figs. IV and V, the valve 95 is 30 munication wth the chamber 29 through the
communicating passageway I29 formed in the top
circular andhas the face [its thereof in sliding
pending:application?erial‘No. 601,180, ?led. June
.23, ‘1945.
close the .port ‘openings 26. Conveniently, the
valve face 'i?il is zprovided‘with reticulated series
of rectangular indentations .illi which decreases
wall of the chamber 2'9, as best shown in Fig. II.
Communication between the top of said outlet
passageway 12$ and the chamber 29 is desirable
to carry off any air with the returned liquid, so
thesurface :area of the valve face IE3, in sliding
contact with the valve seat 23.
The top of the valve
is provided with an an
nular shoulder M2 on which is mounted the ?ex~
body when it is placed into service. If it were not
forisuch communication between the outlet pas
sageway 1523 and the chamber 23, a. certain
engagement with the valve seat .23 to open and
iblelvalve cup leather hi3. Said cup leather Hit is
maintained. in ?uid tight relationship on the an
nular shoulder as: by means of the clamping ring
105 which is rigidly clamped to said valve 96 by
meansof :a circular series of screws it’! which ex»
as'to displace quicklyall of the air in the meter
amount of "air would be entrapped between the
cylinder cups ‘2B and the body casing 2 for a con
siderable period of time before such air would
be absorbed ‘by the liquid. Entrapment of air
would :be objectionable because of the alternate
and expansion of such air during
‘send through matching openi gs in said ring i?t 4- 5 compression
operationof
the
meter, depending upon the time
and cup leather iii‘d'into matching screw threaded
elapsing between theclosing of the dispensing
holesformed in said annular Shoulder N32. The
nozzle valve in consecutive deliveries, and such
upper zvalveplate Hi3, located in theinlet chanc
alternate compression and reexpansion of air
ber I8, is rigidlyxlconnected to the underside of
the-top cover. i ‘by means of a series of screws res 50 would result in ‘variations in the recorded deliv
two .of which areshowninid‘ig. IV, which extend
through openings in said upper valve plate Hi3
into matching screw threaded holes formed in the
underside of thertopcover i. As shown in Fig.
XII, the outer upper surface ofsaid ?exible valve
cup leather 3533 is maintained in sliding ?uid
vtight relationship with the upper valve plate I03
eryof the meter.
As best shown in Fig. XII, the upper part of
pin '9'! also acts as the riving pin for the
drive shaft arm I32 which is rigidly fastened by
means 'of the pin 134 to the lower end of the
drive ‘shaft I35. Said drive shaft 535 is adapted
to ibe‘gconnected at its upper end, by any con
by means of a series of ‘springs it] which are
venientrmeaus, to arrecording mechanism which
the valve 95. Although in Fig, XII, I have shown
only the two springs ! iii which come in the plane
of section, I ?nd it convenient to utilize .four such
springs lid positioned 90” apart. Said flexible
drive shaft i355 with the spring~loaded stu?ing
registers the volume of fluid passed by the meter.
engaged at their upper ends'in sockets .formed in
the cup leather retaining ring H2. .The lower ("30 Said'drive "sha'it I35 is journalled in the bearing
£136 ‘in ‘the ‘cylindrical opening I31 formed in the
end .of said springs He bear upon ‘the annular
topcover 1i. I‘?nd it convenient to provide said
shoulder H3 formed :at the ‘lower outer edge of
valve cup leather its is clamped to the valve re
tainer ring H2 by means of the .:clamping wire
box i353, whichmay ‘be of any of the well known
constructions. The ‘upper end of said shaft l35
is'journalle'd in the closure cap Ml! which is rig
' idly connected to 1the boss Ml, formed at the top
of't'he topcover L'Toy means of a'series o'f screws
#52. v
:
H .5 which encircles the ;.out.er downwardly turned
?ange of the-cup leather P33 and-pinches said cup 70 ‘:InEEigs; X'and XI, I have'indi'cated schemat
ically the-theoretical method of describing, or
leather Hi3 into .an;annular groove formedin the
generating, the valve‘plateports 25 with only one
outer circumference of .theretainerzring ‘l 52.
port.showurior.convenience. Referring to Fig. X,v
The'web??, ‘formingthetopoi .the valve ?ihis '
RE is'the inner radius of'the valve face [Gil and
provided with a series of openings H5 there
such .iradius Bl .isrused to generate theinrierpsides
.through to permit fluid to pass freely :from the
2,413,070
7
8
of the valve ports 26. The outer radius R2 of
the valve face I0!) is used to generate the outer
lines of the port 26. These are generated from
With the valve 96 in the position shown schemati
the two points, as illustrated in Fig. XI, on the
circle of the axis of the crank pin 91 of the crank
B and C are partially open to chamber I8.
Assuming that the operation of the meter has
shaft 78, which circle has a radius of R3.
How-
her I20 and thence through the outlet ports I 2|.
cally in Fig. VII, theports 26 leading to cylinders
moved the valve '96 further 90° clockwise and
ever, in actual practice the meter valve should
from the position shown in Fig. VII to the posi
have a slight seal on a port when the valve
tion shown in Fig. VIII, the port 26 leading to
reaches a position in its rotation to close that
cylinder A is completely closed and the port 26
port. Accordingly, in actual commercial manu 10 of cylinder B is in communication with the cham
facture, the radius RI of the valve face I00 is
ber I20 and outlet ports I2 I. In this position the
made slightly less than the radius RI of the port
port 26 of the cylinder 0 has been opened in
25 by approximately 0.010 inch; and the radius
wider communication with the chamber I8. As
R2 of the valve face I00 is made greater than
suming that the meter valve 96 has been rotated
the radius R2 of the port 26 by a corresponding
90° further in a clockwise direction, or from the
amount. This is best indicated in the schematic
position shown in Fig, VIII to the position shown
views, Figs. VI and VIII, in which a port 26 is
in Fig. IX, the port 26 leading to and from the
shown completely closed by the valve face I00
cylinder A is open to the chamber [8. The re
of the valve 96.
'
spective ports 26 of cylinders B and C are closed
20 to chamber I8, but are in open communication
Operation
with chamber I20 to discharge liquid through the
For purposes of clarity in the description of the
ports I2I into the outlet chamber 29 formed in
operation of my improved meter, I have identi?ed
the meter body 2.
each of the three cylinders 28 with identifying
As the meter operates, liquid is forced down
symbols A, B, C, as indicated in Figs. I, II, III, IV, 25 wardly in the chamber 29 and out through the
and V. I also have indicated the plane of section
passageway I 25, formed in the bottom closure 3,
of Fig. IV in Fig. V, and the plane of section of
and thence through the outlet passageway I26
Fig. XII in Figs. III and V.
to the outlet pipe I2‘! which, in a liquid dispens
It should be noted that in Fig. IV, the crank
ing apparatus, is connected to the valve-con
arm 95 and crank pin 91 are directly away from
trolled dispensing nozzle of such apparatus.
the observer, and that the valve face I 00 of the
It is to be noted that since the meter shown
valve 96 completely overlaps the port 26 leading to
and described herein has three pistons, and be
the cylinder 28 identi?ed by A in Fig. IV, and also
cause each piston is driven for 180° of rotation
identi?ed as A in Figs. I, III and V.
‘ of the crank shaft, the meter construction shown
Assuming the meter to be completely ?lled with
could not stop on a so-called dead center, as
liquid as installed in a conventional type of gaso
would be possible in a two-cylinder single acting
line pump, such as is disclosed in Letters Patent
structure.
of the United States No. 2,351,331 granted June
It is obvious from the description herein of the
13, 1944, to M. J. Goldberg, the meter inlet open
construction of my improved meter valve 96, that
ing I6 is connected to the outlet opening 20 in 40 there is but little hydraulic pressure on either
the top cover 2i of an air eliminator. With liq
the valve seat 23 or valve seat I08 with which the
uid being dispensed through the meter, the liquid
valve face I00 and cup leather I03, respectively,
of the valve 96 are in sliding engagement. Also,
to the inlet chamber I8 formed in the top cover I.
that my meter valve imposes no vertical load on
With the meter valve 96 in the position shown in
its crank shaft. In iny improved structure, the
Figs. IV, V and XII, and as schematically indi
?uid pressure imposed on the top surface of the
cated in Fig. VI, said valve 96 has completely
valve 96 is the same as the ?uid pressure in the
covered and closed off the port 26 leading to the
chamber I20 formed in the lower part of the
cylinder 28 identi?ed by A. As is best shown in
valve 06, because ?uid under pressure passes
Fig. V, the port 26 leading to the cylinder 28 50 from the underside to the upper side of the valve
identi?ed as B would be in open communication
65 through the series of openings II6 provided
to receive liquid under pressure from the chamber
in the Web 99 of the valve 96. Also, with my im
i 8. The port 26 leading to the cylinder 28 identi
proved meter valve 96, the lip of the valve cup
fied by C is within the chamber I20 and, hence,
leather in contact with the valve plate I08 is con
?uid within the cylinder C is in the process of
tinuously supported and retained in position by
being discharged from said cylinder C upwardly
means of the supporting retainer ring I I2, clamp
through the port opening 26 from said cylinder 0
ing wire H5, and the series of springs H0 in
and through the outlet ports I2I to the outlet
terposed between the ring H2 and the annular
chamber 28 of the body casing 2. The liquid un
meter valve shoulder II3.
der pressure from the chamber I8 entering 60
It is obvious that various modi?cations may be
through the port 26 to cylinder B would force
made in my invention without departing from
the piston assembly 35 in said cylinder B down
the essential features thereof as de?ned in the
wardly. Such downward movement would move
appended claims, and, therefore, I do not desire
the wabble plate 39, thus causing the crank shaft
to limit myself to the precise details of construc
iii to revolve clockwise, as viewed in Fig. V. 65 tion, arrangement, or method of operation herein
Clockwise movement of the crank shaft 10 moves
set forth.
under pressure ?ows up the inlet passageway I‘!
the valve 96 clockwise, and if such movement were '
limited to 90° of one rotation, the valve 96 would
he moved from the position shown schematically
in Fig. VI to the position shown schematically in
Fig. VII. With the valve moved to the position
shown in Fig. VII, the port 26 for cylinder A
would be in communication with the outlet ports
IZI, and the piston assembly in cylinder A would
deliver liquid on its upward stroke to the cham
I claim:
1. In a valve for a ?uid meter which includes
a series of cylinders, a valve seat having a port
opening for‘ each cylinder, an upper valve plate,
pistons mounted forreciprocation in said cylin
ders in response to ?uid under pressure ?owing
through said port openings, and means connected
to said reciprocating pistons arranged to convert
the reciprocatory movement of said pistons into
2,413,670
9
rotary movement for moving said valve across
said port openings; the combination of a ring
member having an imperforate valve face adapt
ed for sliding engagement with said valve seat to
open and close said port openings; a web portion
10
vert the reciprocatory movement of said pistons
into rotary movement for moving said valve
across said port openings; the combination of a
ring member having an imperforate valve face
adapted for sliding engagement with said valve
seat to open and close said port openings; a web
formed in said ring member forming an inner re
portion formed in said ring member forming an
.cess in the lower portion of said ring member; a
inner recess in the lower portion of said ring
passageway through said web portion; a valve cup
member; a passageway through said Web portion;
leather carried by the upper part of said ring
member; a retainer ring for retaining and sup 10 a cup leather carried by the upper part of said
ring member; a retainer ring for retaining and
porting said cup leather; and means to main
supporting said cup leather; means maintaining
tain said valve cup leather in engagement with
said cup leather in tight peripheral engagement
said upper valve plate; whereby, ?ow of ?uid
with said retainer ring; and means to maintain
around the top of said valve is prevented.
2. In a valve for a ?uid meter which includes 15 said cup leather in engagement with said upper
valve plate; whereby, ?ow of ?uid around the top
a series of cylinders, a valve seat having a port
of said valve is prevented.
v
opening for each cylinder, an upper valve plate,
4. In a valve for a ?uid meter which includes
a series of cylinders, a valve seat having a port
through said port openings, and means connected 20 opening for each cylinder, an upper valve plate,
pistons mounted for reciprocation in said cylin
ders in response to ?uid under pressure ?owing
pistons mounted for reciprocation in said cylin~
ders in response to ?uid under pressure ?owing
through said port openings, and means connected
rotary movement for moving said valve across
to said reciprocating pistons arranged to convert
said port openings; the combination of a ring
member having an imperforate valve face adapt 25 the reciprocatory movement of said pistons into
rotary movement for moving said valve across
ed for sliding engagement with said valve seat
said port openings; the combination of a ring
to open and close said port openings; a web por
member having an imperforate valve face adapt
tion formed in said ring member forming an in
ed for sliding engagement with said valve seat
ner recess in the lower portion of said ring mem
to open and close said port openings; a web por
ber; a passageway through said Web portion; a
tion formed in said ring member forming an inner
valve cup leather carried by the upper part of
recess in the lower portion of said ring member;
said ring member; a retainer ring for retaining
to said reciprocating pistons arranged to convert
the reciprocatory movement of said pistons into
and supporting said cup leather; and spring
a passageway through said web portion; a cup
means to maintain said valve cup leather in en
leather carried by the upper part of said ring
gagement with said upper valve plate; whereby,
~ member; a retainer ring for retaining and sup
porting said cup leather; means maintaining said
cup leather in tight peripheral engagement with
said retainer ring; and spring means interposed
between said ring member and said retainer ring
opening for each cylinder, an upper valve plate, 40 to maintain said cup leather in engagement with
said upper valve plate; whereby, ?ow of ?uid
pistons mounted for reciprocation in said cylin
around the top of said valve is prevented,
ders in response to ?uid under pressure ?owing
through said port openings, and means connected
DAVID S. WILLSON.
to said reciprocating pistons arranged to con
?ow of ?uid around the top of said valve is pre
vented.
3. In a valve for a ?uid meter which includes
a series of cylinders, a valve seat having a port
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