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Патент USA US2121892

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Jú'ne72‘8, 1938. ' - ‘
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G.
_sTl'NER
2,1211’892
GASOLIÑÈ METER FQR- INTERNAL GOMBUSÈI’IONv ENGINES
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Filed Dec. e', 193e
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1NVENTOR.
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. BY 620966 ?.“ 5TM/ER.
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„IATTORNEK'
Patented June 28, 1938
2,121,892 I ’
~-¿ullSuTiazD STATES PATENT olf-FICE
2,121,892
GASOLINE vMETER FOR INTERNAL COM
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BUSTION ENGINES
vGeorge F. Stiner, Victor, Colo.
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Application December 8, 1936, Serial No. 114,800
p
11 claims.
This invention relates toa device for metering
of suitable clamp bolts I4 about the periphery
the amount of gasoline ñowing to the carburetor ï of a disc diaphragm |5 formed o_f rubber or other
of an internal combustion engine, and has for flexible composition. The diaphragm I5 is
its principal 4object the provision of a small com
clamped between two stiifening discs I'I and I3l
pack, accurate meter which can be placed in the
flow line between, the gasoline pump and car
which are secured upon a square, sleeve plunger l
I9.
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buretor of an automotive Vehicle to 'indicate di- `
'I'he plunger 'I9 is supported upon and guided
rectly to the driver thereof the amount of gaso ' by means of a square post 20 which extends in
line being consumed by? the engine.
10
Other objects of the invention are to provide
a meter of this type in which it will be impossi
ble foi-»the intake valve to open until the dis
charge valve has closed; in which` all stuffing
boxes, packing glands, and other sealing devices
15 are eliminated; which will be long lasting, and
accurate and positive in its operation; and `which
will not in any way interfere with the supply of
gasoline to the carburetor.
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wardly from the head of the spring chamber I I
into the hollow interior of the plunger.» A com- l
pression spring I6 acts against -the diaphragm
to constantly force it inwardly.- The pressure
of the ñuid in the chamber I3 acts to force the
diaphragm against the action of the_spring- I6.
'I'he front casing III issealed from the rear cas- I
ing I2 by means of the diaphragm I5 so that no
fluid reaches the front casing a'nd it need not
be completely sealed. ~ The iluid is entirely con- _
Other objects and advantages reside in the de
tail construction of the invention, which isl de
ñned to the rear casing I3.
signed for simplicity, economy, Aand efficiency.
These will become more apparent from the fol
'fitting 2| and a discharge fitting 22. Both fit
tings are threaded to receive the extremities of
the gasoline tube extending'from the fuel pump
to the lcarburetor of anautomobile vehicle.
lowing description.
While, due to its small compact construction.
The fluid chamber is provided with an intake zo’
the meter .is particularly applicable for attach
ñow from the fitting 2| to the chamber I3
y
ment to the instrument boards- of automobiles 'is The
controlled by means of an intake valve 23 hav
and other automotive vehicles, it is'not of course ing a valve stem 24 extending through a guide
limited to this particular mobile use. , I
.
In the following detailed description of the 25. 'I'he flow to the outlet nipple 22 is controlled
means of an outlet valve 26 having a’valve
invention `reference is had to the accompanying by
stem 21 held in alignment with the valve stem 80'
drawing- which forms a part hereof. Like nu
merals refer to‘ like parts in all views of the 24 by means of suitable guides 25. Both valves
. are forced toward the closed position by means
drawing and throughout the description.
In
‘n
thevdrawing:_4
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Fig. 1 is a front face view of the improved me
ter.
Fig. 2 is a right side elevation thereof.
Figs. 3 and' 4 are vertical sections through the
meter, tal-xenon the line 3_3, Fig. 1.
Fig. 3 is a vertical section of the meter taken
on the line 3_3, Fig. 1. In this view the meter
, is shown at the completion of its discharge stroke.
Fig. 4 is a similar view showing
the meter at
,
Fig. 5 is .a detail section, taken on the line
5_5, Fig.A 1.
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removable threaded caps 29.
,
the completion of its intake stroke.
of suitable individual valve springs 26. Access
to the springs and valves_can be had through
,
Fig. 6 `-is a detail section, illustrating the
length-of-stroke adjustment, taken on the line
vA. bell crank lever 30 is _pivoted on the interior
of thechamber I3 so that one of itsarms extends
between the extremities of the valve stems 24 and
21. Therefore, reciprocation of the bell >crank 4
,lever 30 acts toalternately open and close the
- valves 23' and 26. >The reciprocation is imparted
* by means of a leaf spring 3| mounted upon the
sleeve plunger I9. ' 'I'his spring extends upward
1y through a bifurcated extremity 32 'on the op- 45
posite end of lever 30.
l
Referring to Fig. 3, it will be seen that as the
diaphragm moves to the “left," it will cause the
spring 3| to «reciprocate the lever 30 upwardly to
Fig. 7 is a detail view illustrating a side Viewl Open the valve 26 and allow the valve 23 to be _60
ofthe plunger, taken on the une 1_1, Fig. 6.
closed by its spring`28. As the diaphragm moves
The invention comprises a vi’ront'casing III, tothe “right',” the opposite eifect is had, that is,
provided with a spring chamber II, and a rear the lever 30 moves downwardly, opening the valve
casing I2, formed with a iiuid chamber I3. -The 23 and closing the valve 26. There is sufficient
casings I 0 and I2 are bolted together by means “play” or lost motion between the valve stems '55
6_6, Fig. 4.
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. 2,121,892
-and the lever so that one'valve will completely
close before the other valve starts to open.
_
It is necessary in order 'tohave an accurate
metering movement, that `the valves be prevented
from opening or closing until the diaphragm has
reached its extreme movement position. This is
accomplished by placing van adjustable lug, con
sisting of two parts 33 and 34, on the sleeve I9.
This lug is in the path of movement >of a lug
10 that projects from one side of the lever 30 (Fig.
6) so that the latter cannot move until the sleeve
I9 reaches its extreme position.
The length of time that the “lug” (33.34) holds
the lever 3.0 is dependent upon the width of this
lug. This width can be regulated as the portion
15
33 of the lug is stationary on the sleeve|9 and the
portion 34 is movable in relation to the portion
33. This movement is accomplished in one di
rection by means of an adjusting screw 35 and
20 in the other direction by means `of a spring 36.
Access to the screw 35 is had through a screw
lplug 31.
Thus', it can be seen that if the screw 35 is
tightened or screwed» inwardly, it will push the
25 portion 3B toward the portion 33, causing the
If un
screwed, the spring 36 will force the portion 34
to the right, causing the lug to be widened so
as to restrain the lever 30 for a larger time
.3.0
period.
The reciprocating movements of the diaphragm
and its sleeve plunger It are registered by means
of a ratchet pawl 38 extending from the plate I1
of the diaphragm through the front housing Il) to
.35 actuate a ratchet wheel 39. A stop pawl 40 pre
vents return movement of the ratchet Wheel. The
pawls 38 and 40 are connected by means 0f a
common tension spring, as clearly shown in Fig.
5. The ratchet Wheel 39 is connected through
40 the medium of suitable gears 4| with an indi
cator 42.
to bring the metering device to accurate corre
spondence with the indicator 42.
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While a specific form of the improvement has 5
been described and illustrated herein, it is de
sired to be understood that the same may be
varied, within the scope of the appended claims,
without departing from the spirit of the inven
tion.
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Having thus described thevinvention, what is
claimed and desired secured by Letters Patent
is:--
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1. Adevice for metering thel flow of fluid to
the carburetor of an engine comprising: a‘fluid 15
chamber; a diaphragm closing said iluid cham
ber; an intake valve forv admitting fluid to said
chamber; a discharge valve for discharging fluid
from said chamber; an independent valve stem
for each of said valves; the valve stems being 20
axially aligned and spaced apart; a lever posi
tioned between the end of the valve stems to al
.
total width of the lug to be narrowed.
By regulating the screw 35, the amount of
gasoline expelled at each stroke can _be regulated
The register 42 is preferably grad
uated so as to indicate in ,gallons or fractions
» thereof the pulstations of the diaphragm I5.
ternately and separately o_pen and close said
valves; the distance between the ends of the valve
stems being greater thanthe thickness of the 25
lever, whereby it will engage only one stem at
one time; means comprising a spring Afor re
ciprocating said lever `in consequence of the move
ment of. said diaphragm; and means for delay
ing the movement of said lever until said dia
phragm reaches its extreme positions.
A2. A device for metering the'ñow of iiuìd to
the carburetor of an engine comprising: a iiuid
chamber; a diaphragm closing said fiuid cham
ber; an intake valve for admitting ñuid td said
chamber; a discharge valve for discharging fluid Í
from said chamber; an independent valve stem
for each of _said valves; a lever positioned be
tween said 'valve stems to alternately and sep
arately open and close said valves, there being
sufficient distance between `said valves and said
lever so that the latter will leave each“ stem
before it contacts the other stem; means for re
uiprocating said lever in consequence of `the
movement of said diaphragm; and means com 45
Let us assume that the device is in place on
an automobile, and that the gasoline tube from
the gasoline pump is connected to the fitting 2| prising a spring for. delaying the movement of
and the tube to the' carburetor is connected to said'lever until said 'diaphragm reaches its exthe fitting 22. This causes the pump to place treme positions; and 'a manually adjustable means
a constant- pressure in the iltting 2|'. If the for regulating the period of delay of said delay
ing means.
50 valve 23 is open, the gasoline flows into the cham
ber I3 exerting a pressure against the diaphragm
3. A device for metering the ñow of fluid to
I5, causing the latter to move to the left. This the carburetor of an enginecomprising: a fluid
in turn causes the leaf spring 3| to exert a pres
chamber; a diaphragm closing said fluid cham'
sure on the lever 30 causing it to tend to move ber; an intake valve for'admitting ñuid to said
It can not move upward immediately,` chamber; a discharge valve forv discharging fluid
5,5 upward.
from said chamber; anv independent valve stem
however, due to the fact that it is engaged be
low the lug 33-34.
foreach of said valves; a lever positioned be
AS soon as the sleeve I9 reaches its extreme 4 tween said valve stems to alternately and sepa
movement, however, the lug will pass from over’ rately open and close said valves; means for
60 the lug on lever 3l), allowing the spring 3| to reciprocating said lever in consequence of the
snap the -latter upwardly. The first `upward movement of said diaphragm; and means for
movement brings the intake valve 23 to the closed
position and the remaining movement lifts the
delaying the movement of,said lever until vsaid
diaphragm reaches its extreme positions; said
valve 26, allowing the gasoline to flow to the ' means for reciprocating the lever including a.
plunger projecting from said diaphragm into
carburetor as needed under the pressure oi’ the
spring I6. The diminishing pressure in the cham_
ber |3»now'allows the spring‘ I6 to force thedia
phragm toward the right. This causes the spring
said chamber and a spring extending from said
plunger to said lever so that the movement of
said plunger will be resiliently transmitted to
3| to exert a vdownward pressure on the lever
said lever.
70 30, forcing it against the top of the lug 33--3'4,
as shown in Fig. 7.
As soon as the sleeve I9
reaches its extreme right position, the lever .3_0
will snap downward past the end of -the lug,
Vfirst closing the valve 26 and then opening. the
valve 23 for another cycle of operation, , r n
so
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4. A` device for metering the iiow of fluid to the'
carburetor of an engine comprising:
a fluid
chamber; a diaphragm closing said ñuid cham
ber; an intake valve for admitting fluid to said
chamber; a discharge valve for discharging ?uid
from said chamber; an independent vvalve stem
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2,121,892
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foreach of said valves; a lever positioned between ber; an intake valve 'for admitting `fluid to said
said valve stems to alternately and separately chamber; a discharge valve for discharging fluid
Open and close said valves; means for recipro-- from 'said chamber; an independent valve stem
eating said lever in consequence ofthe movement for each of said valves; the stems being axially
of said diaphragm; and means for delaying the ` alignedand‘ spaced apart; a lever positioned be
movement 4of said lever untill said diaphragm tween said ‘valve stems tor alternately engage the
reachesI its extreme positions; said means for -stems t'o separately open and close> vsaid valves; '
reciprocating said lever including a plunger pro
means for reciprocating said lever when said
' jecting from said diaphragm into said chamber diaphragm reaches its extreme positions; an out
and a spring extending from said plunger to said er housing closing the outer face of Vsaid dia
lever so that the vmovement of said plunger will phragm; a, spring in said latter housinglacting
be resiliently transmitted to said lever; said ' tol force said diaphragm inwardly toward said
delaying means including a stop member for pre ~/fluid chamber; the means actuated by said dia
venting said lever from moving until said plunger .-‘p_hragm for alternately reciprocating said lever
approaches its extreme yposition so that said comprising a guide post extending inwardly to 15
spring will be _flexeduntil’the ñnal movement of ward the diaphragm from said outer housing; a
said plunger.
.
5. A device lfor metering the ilow of fluid to
the carburetor of- an engine comprising: a iluid
20 chamber; a diaphragm closing said fluid cham-ber; an intake valve for admitting fluid to said
chamber; -a discharge valve for discharging
ñuid from said chamber; an independent valve
stem for each of said valves; a lever 'positioned
25 between said valve stems to alternately open and
close said valves; means for reciprocating said
lever in consequence of the movement of said dia
phragm: and -means for delaying the movement
of said lever until said diaphragm reaches its
30 extreme positions; said means for reciprocating
said lever including a plunger projecting from
said diaphragm into said chamber and a spring
' extending Afrom said plunger to said lever so
that the movement of said plunger will bé re
A35 siliently transmitted to said lever; said delaying
means including the plunger, and a lug on the
plunger for engaging and preventing said lever
from ‘moving until said plunger approaches its
extreme position so that said spring will be flexed
until the ñnal movement of said plunger; the lug
on the plunger projecting intol the path of move
-ment of said lever so that the latter can not
move until said plunger removes said lug from its
path.
45
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6. A device forV metering the ilow of fluid to
the carburetor of an engine comprising: a fluid
chamber; a diaphragm closing said fluid cham
ber; _an intake valve for admitting iluid to said
chamber; a discharge valve for discharging fluid
50 from said chamber; an independent valvel stem
for each `of said valves; a lever positioned ,be
tubular plunger extending throu'gh said diaphragm
and slidably mounted on said post; and a. lug
on said tubular plunger for engaging a portion of
thev lever and delaying the movement thereof 20
and, a resilient means connecting the plunger and
the lever for moving the latter when it is released.
8. A device for metering the now of -iluid to the
carburetor of an engine comprising: avfluid cham
ber; a'diaphra'gm closing said ñuid chamber; an 25
intake vvalve forfadmitting iluid to said chamber;
a discharge valve for discharging fluid from said'
chamber; an independent valve stem for each of
said valves: a lever positioned between said valve
stems with a lost motion connectionto separately
and alternately open and close said valves; spring
means to force said diaphragm toward said fluid
chamber; and means actuated by said diaphragm
fòrÍ alternately opening and closing said valves; .l
comprising said lever and a stationary guide' post 35
extending inwardly toward the diaphragm; a tu
bular plunger extending through said diaphragm
and slidably mounted on said post; and a lug on
said tubular plunger for delaying the movement of
said lever; a spring extending from said tubular 40
plunger to oneextremity of said lever, the other
extremity vbeing positioned between said intake
and outlet valve stems; and means comprising a
_ lug on' said plunger for engaging the lever so as to
delay the movement thereof until the diaphragm 45
has completed its movement in either direction
and- the spring has been completely flexed'.
9. A metering device for fluids comprising: a
diaphragm-actuated rod; a pivoted bell crank
lever extending transversely of the rod; a tension 50
spring extending from a'point on said rod to one `
extremity of said lever so that as said rod moves, .
close said valves; means for .reciprocating said said spring will exert a pull on said lever in a
lever in consequence of the movement of said corresponding direction; an intake valve; an out
55 diaphragm; and means for delaying the mover- ` let valve; means for transmitting the movement 65
tween said valve ‘stems to alternately open andl
ment of said lever until said diaphragm reaches
its extreme positions; and means for reciprocat
ing said lever including a plunger projecting from
of said lever to said valves, said valves being op
posite acting so that movement of the lever in '
one direction will permit one valve to close and
said diaphragm into said chamberand a spring ~ then upon further movement open the other; and
60 extending from said plunger'to said lever so that
ro
meansfor latching said lever against movement
the movement of said plunger will be resilientlz,1 `by said spring until the extremities of move
transmitted to said lever; said delaying means ment of said rod are reached.
.
including the plunger; a lug on the plunger for
10. A fuel meter for engines comprising: two
-engaging and preventing said lever from moving ' concave diaphragm shells ; a diaphragm clamped until said plunger approaches its extreme posi
between said shells; a diaphragm rod ex 65
tion so that said spring will be ilexed until the tending~through both shells and through said
final movement of said plunger; the lug on the diaphragm and sealed to the latter; means for op
plungerprojecting into‘ the path of movement of erating a counting device from said diaphragm
said lever so that the latter can not'move until rod; a valve housing extending from one of' the
said plunger removes said lug from its path; and ` shells about -said rod; an intake passage opening 70
means for varying the position and effective con
tact of said lug to regulate the delayed period.
7. A device for metering the ilow of fluid to
the carburetor of an engine comprising: a fluid
75 chamber; a diaphragm closing said fluid cham
into said
ing into
passage;
passage:
valve housing; a discharge passage open
said valve housing opposite s_aid intake >
an intake valve controlling said intake
an outlet valve controlling said outlet
passage, said valves lbeing oppositely acting;- 75
2,121,892
means comprising a pivoted valve lever cooperat
ing with said valves so that as it swings, it will
alternately open and close the same; and a ten-'
sion spring extending from the diaphragm rod
to the free extremity of said valve operating lever _
a. discharge passageirom said valve housing; an
intake valve controlling said intake passage; an
outlet valve controlling said'outlet passage, said
valves being oppositely acting; a', pivoted valve le
so as to swing the latter in consequence of move
it will alternately and separately open and close
the same; a tension spring extending lfrom said
rod to the free extremity of said valve operating
ment of said rod; and means for preventing said
lever from moving until said rod reaches its ex
_
lever so as to swing the latter in consequence of
1l. A fuel meter for engines comprising: two
concave diaphragm shells; a diaphragm clamped
between said shells; a diaphragm rod extending
`movement of said rod; the diaphragm rod having
treme positions.
10
ver cooperating with said valves sothat asit Swings,
through both shells and through said diaphragm
and sealed to the latter; means for operating a
15 counting device from said diaphragm rod; a valve
housing extending from one of the shells about
said rod; an intake passage to said valve housing;
a latch lug; a lug o'n the valve operating lever
positioned to engage the ~lug on the rod to hold
the lever from movement, the interengaging lugs
disengaging when the diaphragm rod reaches the
limits of its movement in either direction.
' GEORGE F. s'rINER.
Il
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