close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2405126

код для вставки
CONTROL MEANS FOR FUEL FEED SYSTEMS
- Fila@ Jan. L'2cm 1944
z5
i
a
-
\ ______________
- INVENTOR.
cfa/$0 .î'gïïdlea
l - @ga/WMM
47m/Win51.
Patented Aug. 6, 1946
2,405,126
UNITED STATES PATENT OFFICE
y
2,405,126
CONTROL MEANS FOR FUEL FEED SYSTEMS
John E. Bates, Lansing, Mich.
Application January 20, 1944, Serial No. 518,952
8 Claims. (Cl. 137-21)
l
2
This invention relates to improvements in con
trol means for fuel feed systems.
The main objects of this invention are:
First, to provide a control means for fuel feed
has a longitudinal passage 9 therein with a lateral
inlet port or passage lll opening to the side of the
tapered or conical valve Il. It also has a lateral
systems which may be very accurately adjusted
Within or is covered by the Wall of the valve cas
discharge l2 which, when the valve is closed, lies
ing. The upper end of the valve casing consti
tutes an annular valve seat I3. The valve stem
I4 is threaded into the upper end of the passage
Second, to provide a lloat controlled valve
or bore 9, closing the same and securing the valve
means Well adapted for fuel control systems Which
permits a free flow of fuel when the valve is 10 stem to the valve member.
The resilient or flexible disk valve member l5
opened and at the same time is effective to quickly
is clamped between the shoulder I6 on the stem
cut off the flow when the fuel reaches a predeter
and the end of the valve member 6 so that when
mined level.
the valve is in closed position the inlet passage 'l
Third, to provide structures having these ad~
is closed and the outlet end of the Valve casing is
vantages in which the parts may be very economi
also closed. The valve stem is provided with a
cally produced and assembled by relatively un
collar ll' having an annular groove iB therein re
skilled Workmen.
ceiving the finger or arm I9 of the float lever 2|]
Further objects relating to details and econo
which is pivoted at 2l. The iloat 22 is shown by
mies of the invention Will definitely appear from
the description to follow. The invention is de-- 20 dotted lines.
With the parts thus arranged the Ílovv of fuel
ñned in the claims.
to the feed chamber is very effectively controlled,
A structure which embodies the features of the
and this without the necessity of great accuracy
invention is clearly illustrated in the accompany
in the forming and assembling of parts inasmuch
ing drawing, in which:
Fig. 1 is a fragmentary side view partially in 25 as the valve seat facing 8 and the resilient valve
element I5 Will yield substantially to permit the
vertical section of a fuel system control means
for metering or regulating the flow of fuel to the
system controlled.
effective seating of the valves.
embodying the features of my invention.
It is not only important in fuel feed control
Fig. 2 is an enlarged view mainly in vertical
systems to effectively control the inlet of fuel but
section of the metering or regulating valve unit
removed from the apparatus.
30 it is also necessary to accurately control or meter
the fuel passing from the fuel feed reservoir to
Fig. 3 is a side elevation looking from the right
the system. To this end I provide the reservoir
of Fig. 2 of the tubular support member of that
figure.
Fig. 4 is a side elevation of the valve casing
member of the metering unit.
bottom with an upstanding nipple 23 Which is in
communication with the system feed passage 24.
The tubular support 25 fits into the nipple 23 and
projects through an opening 26 in the top 21 of
the reservoir. The tubular valve casing 28 is f1t
tingly mounted Within the tubular support, the
Fig. 5 is a bottom view of this valve casing mem
ber.
Fig. 6 is a fragmentary view mainly in vertical
valve casing being provided with an enlargement
section of the float control inlet valve.
Fig. 7 is a side elevation of the inlet valve re 40 29 at its lower end having segmental portions 30
and 3| fitting the Wall of the tube. The sides
moved from its casing.
of this enlargement are cut oiî at 32 providing
In the embodiment of the invention illustrated
a passage or by-pass around the enlargement to
l is a reservoir of suitable capacity to provide a
the interior of the tubular support above this en
fuel feed chamber 2 which also constitutes a flow
chamber. This reservoir l has an upstanding 45 largement.
The valve casing has a longitudinal bore 33
inlet nipple 3 in the bottom >thereof into which
therein terminating at its lower end in a port 34
the valve casing 4 is threaded. This valve casing
opening to the passage 2li, a conical valve seat
4 has a bore-like valve chamber 5 therein adapted
35 being provided above this port 34. The en
to reciprocatingly receive the plunger valve 6.
The valve casing has an inlet passage ‘l com 50 largement of the valve casing has a lateral pas
sage 36 opening to the bore of the casing above
municating with the inlet nipple 3 which is suit
the valve seat 35 and registering with the inlet
ably connected to a source of fuel supply not here
port 31 in the tubular support, this inlet opening
illustrated. The upper end of this passage con
being substantially below the fluid lever deter
stitutes an inlet .port which is preferably provided
with a resilient facing 8. The valve member B 55 mined by the float controlled inlet valve. The
2,405,126
à
n
4
support member also has vent openings 38 above
the float controlled liquid level.
The rod-like valve member 39 has a conical
valve 49 formed at the lower end thereof co
acting with the conical valve seat 35. A pilot
tip 4l on the valve member projects into the
comprising a tubular support engaged in said
nipple and having a lateral inlet in the side
thereof opening to said chamber below the liquid
level thereof, a tubular valve casing arranged
within said tubular support, said valve casing
ber above the valve casing, this guide member
having a vent opening 43.
A supporting block 44 is mounted in the upper
having a segmental enlargement at the lower
end thereof supportingly fitting within said
tubular support and having a discharge port at
its lower end opening to said tubular support,
said valve casing having an inlet passage above
said valve seat registering with said inlet open
end of the tubular support and threaded to re- `
ing of said tubulai- support, a valve member co
port 34. The valve member is laterally guided
by the disk 42 seated within the support mem
ceive the threaded end 45 of the valve member,
acting with said port, said tubular support hav
the set screw 4S being provided for securing the
ing a vent opening located above the liquid level
regulating or metering valve in its adjusted posiof said reservoir, said valve casing providing a
tion. This set screw projects through a slot
vent passage extending lbetween the same and
4l in the support 25. It will be noted that the
the tubular support from the interior of the
discharge end of the support 25 is vented around
tubular support above the valve casing to the
the enlargement on the Valve casing through the
interior of the tubular support below the valve
vent opening in the guide member 42 and 20 casing, and means for adjustably supporting said
through `the vents 38 which open within the
valve member carried by said support.
3. In a metering valve for fuel feed systems
reservoir, although the slot 41 might be relied
upon as a venting means. The vents 38 are pro
and the like, the combination of a tubular sup
port communicating at its lower end with the
vided, however, so that should the supporting
block LM be adjusted to completely cut oif the 25 system controlled and having a side inlet open
slot 41 a vent would still be provided to permit
ing, a tubular valve casing arranged within said
proper flow of the fuel to the system.
tubular support, said valve casing having a seg
mental enlargement at the lower end thereof
I have illustrated and described my invention
supportingly ñtting within said tubular support
in an embodiment which I have found highly
practical. I have not attempted to illustrate 30 and having a discharge port at its lower end and
a surrounding conical Valve seat above said port,
various modifications and adaptations which I
said valve casing having a lateral inlet passage
contemplate as it is believed this disclosure will
enable those skilled in the art to embody or
above its said valve seat registering with said
inlet opening of said tubular support, a rod
adapt my invention as may be desired.
like valve member having a conical valve co
Having thus described my invention what I
claim as new and desire to secure by Letters
acting with said valve seat, a guide disk for said
valve member disposed within said support above
Patent is:
said valve casing and having a vent opening
l. In a control means for fuel feed systems
at the outside of said valve casing, said valve
and the like, the combination of a reservoir for
containing `liquid having an upwardly project~ 40 casing providing a vent passage extending be
ing discharge nipple, a metering outlet control
tween the same and said tubular support from
means comprising a tubular support engaged
said vent opening to the interior of the tubular
in said nipple and having a lateral inlet in the
support below the valve casing, said tubular
side thereof opening to said chamber below the
support being vented at the upper end thereof,
a valve supporting block disposed within said
liquid level thereof, a tubular valve casing ar
ranged within said tubular support, said valve
tubular support at the upper end thereof, said
casing having a segmental enlargement at the
valve member having threaded engagement with
lower end thereof supportingly fitting within
said block, and a set screw extending through
said supporting block for securing the regulating
said tubular support and having a discharge
port at its lower end opening to said tubular 50 valve in its adjusted position.
4. In a metering valve for fuel feed systems
support and a surrounding conical valve seat
above said port, said valve casing having an
and the like, the combination of a tubular sup
port communicating at its lower end with the
inlet passage above said valve seat registering
with said inlet opening of said tubular support,
system controlled -and having a side inlet open
ing, a tubular valve casing arranged within said
a rod-like valve member having a conical valve l
tubular support, said valve casing having a seg
coacting with said valve seat, a guide disk for
said valve member disposed within said support
mental enlargement at the lower end thereof
supportingly fitting within said tubular support
above said valve casing and having a vent open
and having a discharge port at its lower end
ing at the outside of said valve casing, said valve
casing providing a vent passage extending be
and a surrounding conical valve seat above said
port, said valve casing having a ylateral inlet
tween the same and said tubular support from
passage above its said valve seat vregistering with
said vent opening to the interior of the tubular
said inlet opening of said tubular support, a rod
support below the valve casing, said tubular sup
port having a vent opening located above the
like valve member having a conical valve coact
ing with said Valve seat, said tubular support
liquid level of said reservoir, a valve supporting
block disposed within said tubular support at
being vented at the upper end thereof,'said valve
casing providing a vent passage extending be
the upper end thereof, said valve member hav
tween the same and the tubular support from
ing threaded engagement with said block, and a
the interior of the tubular support above the
setscrew extending through said supporting block
for securing the regulating valve in its adjusted ” valve casing to the interior of the tubular support
below the valve casing, a valve supporting block
position.
disposed within said tubular support at the upper
2. In a control means for fuel feed systems
end thereof, said valve member having threaded
and the like, the combination of a reservoir for
engagement with said block, and a set screw
containing liquid having an upwardly projecting
extending through said supporting block for se
discharge nipple, a metering outlet control means
5
2,405,126
6
curing the regulating valve in its adjusted posi
tion.
end thereof, said valve member having threaded
5. In a metering valve for fue] feed systems
and the like, the combination of a tubular sup
port communicating at its lower end with the
system controlled and having a side inlet open
ing, a tubular valve casing arranged within said
tubular support, said valve casing having a seg
mental enlargement at the lower end thereof
extending through said supporting block for
securing the regulating valve in its adjusted
position.
7. In a metering valve for fuel feed systems
engagement with said block, and a set screw
and the like, the combination of a tubular sup
port communicating at its lower end with the
system controlled and having a side inlet open
supportingly fitting within said tubular support 10 ing, a tubular valve casing arranged within said
and having a discharge port at its lower end and
tubular support, said valve casing being disposed
a surrounding conical valve seat above said port,
within said tubular support and having a dis
said valve casing having a lateral inlet passage
charge port at its lower end and a lateral inletl
above its said valve seat registering with said
passage above its said valve seat registering with
inlet opening of said tubular support, said valve
said inlet opening of said tubular support, said
casing providing a vent passage extending be
valve casing having a side -passage communicat
tween the same and the tubular support from
ing with the interior of said support above and
the interior of the tubular support above the
below said valve casing, a valve member having
valve casing to the interior of the tubular sup
a valve coacting with said port, said tubular
port below the valve casing, a valve member
support being vented at the upper end thereof,
having a conica1 valve coacting with said valve
a valve supporting block disposed within said
seat, and means for adjustably supporting said
tubular support at the upper end thereof, said
valve member carried by said support.
valve member having threaded engagement with
6. In a metering valve for fuel feed systems
said block, and a set-screw extending through
and the like, the combination of a tubular sup
said supporting block for securing the regulating
port communicating at its lower end with the
valve in its adjusted position.
system controlled and having a side inlet open
8. In a metering valve for fuel feed systems
ing, a tubular valve casing arranged within said
and the like, the combination of a tubular sup
tubular support, said valve casing being disposed
port communicating at its lower end with the
within said tubular support and having a dis 30 system controlled and having a side inlet open
charge port at its lower end and a lateral inlet
ing, a tubular valve casing arranged within said
passage above its said valve seat registering
tubular support, said valve casing being disposed
with said inlet opening of said tubular support,
within said tu-bular support and having a dis
said valve casing having a side passage oom
charge port at its lower end and a lateral inlet
municating with the interior of said support
passage above its said valve seat registering with
above and below said valve casing, a valve mem
said inlet opening of said tubular support, said
ber having a valve coacting with said port, a
valve casing having a side passage communicat
guide disk for said valve member disposed with
ing with the interior of said support above and
in said support above said valve casing and hav
below said casing, a valve member having a
ing a vent opening at the outside of said valve
valve coacting with said port, and means for ad
casing, said tubular support being vented at the
justably supporting said valve member carried
upper end thereof, a valve supporting block dis
by said support.
posed within said tubular support at the upper
'
JOHN E. BATES.
Документ
Категория
Без категории
Просмотров
0
Размер файла
490 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа