CN108361433A - A kind of valve for fuel tanks of automobile - Google Patents
A kind of valve for fuel tanks of automobile Download PDFInfo
- Publication number
- CN108361433A CN108361433A CN201810179050.9A CN201810179050A CN108361433A CN 108361433 A CN108361433 A CN 108361433A CN 201810179050 A CN201810179050 A CN 201810179050A CN 108361433 A CN108361433 A CN 108361433A
- Authority
- CN
- China
- Prior art keywords
- outlet
- float
- valve
- fuel tanks
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03561—Venting means working at specific times
- B60K2015/03576—Venting during filling the reservoir
Abstract
The purpose of the present invention is to provide a kind of valves for fuel tanks of automobile, including：Shell limits a limitation space, and is formed with：One or more lead to limitation space fluid inlet, fluid discharge chamber be located at housing top end and be discharged fluid communication；The shell is formed with the outlet extended between the limitation space and fluid discharge chamber, there are three the outlets, the sectional area of three outlets is sequentially reduced, three outlets correspond to 2 respectively can be along the float that central axis moves up and down, float moves up first outlet and first closes, and second outlet, third outlet simultaneously close off after first outlet closing；Three groups of outlets are closed simultaneously by 2 floats in the present invention, and meet the needs of fuel tank by the preferential opening that third exports when needed.
Description
Technical field
The present invention relates to fuel tank of vehicle spare and accessory parts more particularly to a kind of valves for fuel tanks of automobile.
Background technology
Known a variety of valves for vehicle fuel tank with the more relevant valve of the present invention are that those are equipped with two in these valves
The valve of a or more valve module.
Valve is after closing, if the limitation space of the valve internal is arranged relative to the valve housing upward flow
Go out that chamber pressure force difference Δ P is higher, the float member of valve is just more difficult to be detached from exhaust outlet, realizes valve normal exhaust, according to floating
Power floating part gravity-spring force=Δ P*S, wherein S is exactly the sectional area of gas vent, when the gravity and spring of float member
One timing of elastic force, the sectional area of gas vent is smaller, and Δ P is bigger, and for the meaning that is hole is smaller, float member is easier to be de-
From exhaust outlet, valve normal exhaust is realized.
In the publication number for the Chinese patent application for being related to fuel valve：CN101782159B discloses a kind of for motor vehicle fuel
The valve of case, the valve include：First float member and matched first discharge port and the second float member and match therewith
The second outlet closed, and second float member engages and with second outlet later in sealing station first
Soon first float member is engaged in sealing station with the first discharge port due to acting on buoyancy on it；In order to
Ensure that pressure increases in fuel tank during fuel make up, so that the fuel in the filling neck of the fuel tank increases, and
It is fed by automatic fuel nozzle fuel shutoff, the blocky pressure holding member for sealing second outlet, institute is usually provided
It states pressure holding member only pressure and is moved to open position when increasing to above predetermined value or when vehicle accelerates, described the
Two level float member has the section of the entire profile for the shell that the valve is substantially occupied at its underpart, this will cause to act on
Buoyancy on the second level float member increases, and the second level float member is made to have the closing forces improved,
And track the liquid level in the fuel tank (axial movement i.e. in shell corresponds to the change and fluctuation of liquid level), second level buoyancy
Floating part arrives first at sealing station, and soon later, first order float member 50 enters due to acting on buoyancy on it
The second level float member of its sealing station, description arrives first at sealing station, at this point, second level float member corresponds to
The second outlet bottom sealed by second level float member, the pressure holding member on the second outlet top, due to the second level
The sealing of float member limits limitation space isolation with shell, and such pressure holding member is ineffective.
It is above-mentioned to solve the problems, such as therefore, it is necessary to a kind of valve for fuel tanks of automobile.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of valve for fuel tanks of automobile, to solve existing skill
The problems in art.
To achieve the goals above, technical solution of the present invention is as follows：
A kind of valve for fuel tanks of automobile, the valve include：Shell, the shell limit a limitation space, which forms
Have：One or more lead to it is described limitation space fluid inlet, fluid discharge chamber be located at the shell top and with row
Go out fluid communication；The shell is formed with the outlet extended between the limitation space and fluid discharge chamber, institute
It states there are three outlets, the sectional area of three outlets is sequentially reduced, and the sectional area of first outlet is maximum, the sectional area of second outlet
It, the sectional area of third outlet is minimum；The shell be formed be additionally provided with 2 in the limitation space can be along central axis
The float moved up and down, the first outlet is corresponding with the first float, and the second outlet and third export and the second float pair
It answers, the second outlet and third outlet upper end are provided with pressure holding member；Under buoyancy, float moves up first and goes out
Mouth is first closed, and second outlet, third outlet simultaneously close off after first outlet closing；When opening, third outlet is first opened, and second
Outlet is taken second place, and first outlet is finally opened.
In one embodiment of the present of invention, the first outlet is limited by the first valve seat, and the second outlet is by the second valve
Seat limitation, the third outlet are limited by third valve seat.
In one embodiment of the present of invention, the second outlet and third outlet are relatively independent circular apertures, and its
Described in the second float be equipped with flexible closure membrane strip, it is floating which is fixed to described second at one end
On the roof of son, the flexible closure membrane strip is exported in face of the second outlet and third.
In one embodiment of the present of invention, first float is axially movably attached to described by least one fixing piece
On second float, the fixing piece extends between first float and second float, wherein second float arrives
The movement of the open position of second float makes first float be moved to the open position of first float.
In one embodiment of the present of invention, the shell is formed with the flange part on the fuel tank for installation into vehicle
Point.
In one embodiment of the present of invention, one or more of fluid inlets include that upper fluid entrance and lower fluid enter
Mouthful.
In one embodiment of the present of invention, the first outlet has circular section, and first float is in Qi Ding
Tubular protrusion is equipped at portion, which sealably receives in the circular first outlet.
In one embodiment of the present of invention, the tubular protrusion of first float is tapered upwards.
In one embodiment of the present of invention, set in one or two in the first float and the second float in the outlet
It is equipped with elastic sealing element, to be carried out when first float and the second float are moved fully to their own closed position
It is sealingly engaged.
In one embodiment of the present of invention, the length of at least one fixing piece ensures to lean against institute when second float
When stating the bottom end vicinity of the shell of valve, first float is in an open position.
In one embodiment of the present of invention, the fixing piece is flexible rope.
In one embodiment of the present of invention, the second outlet and third outlet are hung down relative to the longitudinal axis of the shell
Directly.
In one embodiment of the present of invention, the top surface for supporting second float of the flexible closure membrane is opposite
It is equally vertical in the longitudinal axis.
In one embodiment of the present of invention, first float and second float are constrained to cannot be relative to each other
Rotation.
In one embodiment of the present of invention, first float and second float are constrained to cannot be relative to described
Shell rotates.
A kind of valve for fuel tanks of automobile of the present invention is compared with prior art simultaneously gone out three groups by 2 floats
Mouth closing, and meet the needs of fuel tank by the preferential opening that third exports when needed；First float is first close
After envelope position is combined with first discharge port, the second float seals second and third outlet not yet, at this time pressure holding member and
Shell limits a limitation space and is penetrated through by second and third outlet, which can work normally, follow-up
Fuel make up during in fuel tank pressure increase so that the fuel in the filling neck of the fuel tank increases, and pass through
Automatic fuel nozzle fuel shutoff supply.
The features of the present invention sees the detailed description of the following diagram of this case and specific implementation mode and obtains clearer
Understand.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of fuel tank dual function valve of the present invention.
Fig. 2 is the longitudinal cross section of fuel tank dual function valve of the present invention.
Fig. 3 is the transverse cross sectional view of fuel tank dual function valve of the present invention.
Specific implementation mode
In order to make technological means of the invention and embodiment it can be readily appreciated that being expanded on further with reference to specific embodiment
The present invention.
As shown in Figs. 1-3, a kind of valve for fuel tanks of automobile, which includes：Shell 100, the shell limit a limit
Space processed, the shell are formed with：One or more leads to the fluid inlet 110 in the limitation space, which includes
Upper fluid entrance and lower fluid inlet, fluid discharge chamber 120 be located at the shell top and be discharged fluid communication；Institute
It states shell and is formed with the outlet extended between the limitation space and fluid discharge chamber, there are three the outlets, and three
The sectional area of a outlet is sequentially reduced, and the sectional area of first outlet 210 is maximum, and the sectional area of second outlet 310 takes second place, and third goes out
The sectional area of mouth 320 is minimum；The first outlet 210 is limited by the first valve seat 220, and the second outlet is limited by the second valve seat
System, third outlet are limited by third valve seat 330, and the second outlet and third outlet are relatively independent circular apertures,
Relative to the longitudinal axis orthogonal of the shell, and wherein described second float is equipped with flexible closure membrane strip, which closes
It closes film band to be fixed on the roof of second float at one end, the flexible closure membrane strip corresponds to described second and goes out
Mouth and third outlet, the top surface for supporting second float of the flexible closure membrane are same relative to the longitudinal axis
Sample is vertical..The shell be formed be additionally provided in the limitation space 2 can along the float that central axis moves up and down,
The first outlet 210 is corresponding with the first float 200, and the second outlet 310 and third outlet 320 are right with the second float 300
It answers, the second outlet and third outlet upper end are provided with pressure holding member；Under buoyancy, float moves up first and goes out
Mouth is first closed, and second outlet, third outlet simultaneously close off after first outlet closing；When opening, third outlet is first opened, and second
Outlet is taken second place, and first outlet is finally opened；First float is first after sealing station is combined with first discharge port, and the second float is also
Second and third outlet are not sealed, pressure holding member limits a limitation space with shell and arranged by second and third at this time
Outlet perforation, the pressure holding member can work normally, and pressure increases in fuel tank during subsequent fuel make up, with
So that the fuel in the filling neck of the fuel tank is increased, and is fed by automatic fuel nozzle fuel shutoff.
In the present invention, first float is movably attached to by the way that at least one fixing piece 400 for flexible rope is axial
On second float, the fixing piece extends between first float and second float, wherein described second is floating
Movement of the son to the open position of second float makes first float be moved to the open position of first float；It is described
The length of fixing piece ensures that when the bottom end vicinity for the shell that second float leans against the valve, first float is in and beats
Open position.
In the present invention, the shell is formed with the flange portion on the fuel tank for installation into vehicle；Described first goes out
Mouth has circular section, and the first float place at the top of it is equipped with the tubular protrusion 230 being tapered upwards, the pipe
The sealable reception of shape protrusion is in the circular first outlet, outlet and one in the first float and the second float at three
It is provided with elastic sealing element in a or the two, to be moved fully to their own pass in first float and the second float
Engagement is sealed when closed position.
In the present invention, first float and second float are constrained to rotate relative to each other.
In the present invention, first float and second float are constrained to rotate relative to the shell.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (15)
1. a kind of valve for fuel tanks of automobile, the valve include：Shell, the shell limit a limitation space, which is formed with：
One or more leads to the fluid inlet in the limitation space, and fluid discharge chamber is located at top and and the discharge pipe of the shell
It is in fluid communication；It is characterized in that：The shell is formed with to be extended between the limitation space and fluid discharge chamber
Outlet, there are three the outlets, and the sectional area of three outlets is sequentially reduced, and the sectional area of first outlet is maximum, second outlet
Sectional area takes second place, and the sectional area of third outlet is minimum；The shell be formed be additionally provided with 2 in the limitation space can edge
The float that central axis moves up and down, the first outlet is corresponding with the first float, the second outlet and third outlet and the
Two floats correspond to, and the second outlet and third outlet upper end are provided with pressure holding member；Under buoyancy, float is to moving up
Dynamic first outlet is first closed, and second outlet, third outlet simultaneously close off after first outlet closing；When opening, third outlet is first
It opens, second outlet is taken second place, and first outlet is finally opened.
2. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：The first outlet is by first
Valve seat limits, and the second outlet is limited by the second valve seat, and the third outlet is limited by third valve seat.
3. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：The second outlet and third
Outlet is relatively independent circular aperture, and wherein described second float is equipped with flexible closure membrane strip, which closes thin
Film strips are fixed on the roof of second float at the one end, the flexible closure membrane strip in face of the second outlet and
Third exports.
4. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：First float passes through extremely
A few fixing piece is axially movably attached on second float, and the fixing piece is floating with described second in first float
Extend between son, wherein the movement of open position of second float to second float makes first float be moved to
The open position of first float.
5. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：The shell, which is formed with, to be used for
The flange portion being installed on the fuel tank of vehicle.
6. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：One or more of fluids
Entrance includes upper fluid entrance and lower fluid inlet.
7. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：The first outlet has circle
Shape section, and the first float place at the top of it is equipped with tubular protrusion, and which sealably receives described
In circular first outlet.
8. a kind of valve for fuel tanks of automobile according to claim 7, it is characterised in that：The tubulose of first float
Protrusion is tapered upwards.
9. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：It is floating in the outlet and first
It is provided with elastic sealing element in one or two in son and the second float, to complete in first float and the second float
Engagement is sealed when being moved to their own closed position.
10. a kind of valve for fuel tanks of automobile according to claim 4, it is characterised in that：At least one fixation
The length of part ensures that first float is in open position when the bottom end vicinity for the shell that second float leans against the valve
It sets.
11. a kind of valve for fuel tanks of automobile according to claim 4, it is characterised in that：The fixing piece is flexibility
Rope.
12. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：The second outlet and
Longitudinal axis orthogonal of three outlets relative to the shell.
13. a kind of valve for fuel tanks of automobile according to claim 12, it is characterised in that：The flexibility is supported to close thin
The top surface of second float of film is equally vertical relative to the longitudinal axis.
14. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：First float and institute
The second float is stated to be constrained to rotate relative to each other.
15. a kind of valve for fuel tanks of automobile according to claim 1, it is characterised in that：First float and institute
The second float is stated to be constrained to rotate relative to the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179050.9A CN108361433A (en) | 2018-03-05 | 2018-03-05 | A kind of valve for fuel tanks of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179050.9A CN108361433A (en) | 2018-03-05 | 2018-03-05 | A kind of valve for fuel tanks of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108361433A true CN108361433A (en) | 2018-08-03 |
Family
ID=63003592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810179050.9A Pending CN108361433A (en) | 2018-03-05 | 2018-03-05 | A kind of valve for fuel tanks of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361433A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340412A (en) * | 2018-11-27 | 2019-02-15 | 戴胜汽车科技（苏州）有限公司 | The combination valve with hydrops function on automotive oil tank |
| CN111503353A (en) * | 2019-01-30 | 2020-08-07 | 丰田合成株式会社 | Fuel shut-off valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19707841A1 (en) * | 1996-03-02 | 1997-10-30 | Alfmeier Walter Gmbh & Co | Spring loaded float-operated breather valve for fuel tanks of vehicles |
| US20080236672A1 (en) * | 2007-03-30 | 2008-10-02 | Toyoda Gosei Co., Ltd. | Fuel shut-off valve |
| CN101782159A (en) * | 2004-08-23 | 2010-07-21 | 拉法尔A.C.S.有限公司 | The dual function valve that is used for fuel tank |
| CN102165174A (en) * | 2008-08-26 | 2011-08-24 | 伊顿公司 | Piloted fuel tank vapor isolation valve |
| CN103328803A (en) * | 2011-01-21 | 2013-09-25 | 伊顿公司 | Isolation valve with integrated float valve for high-pressure applications |
| CN103672019A (en) * | 2013-12-02 | 2014-03-26 | 东正科技有限公司 | Sterile diaphragm valve |
| CN205859285U (en) * | 2016-08-11 | 2017-01-04 | 卡特彼勒（青州）有限公司 | Automatic exhaust steam valve and liquid communication system |
| CN208169659U (en) * | 2018-03-05 | 2018-11-30 | 皑壹汽车科技（上海）有限公司 | A kind of valve for fuel tanks of automobile |
-
2018
- 2018-03-05 CN CN201810179050.9A patent/CN108361433A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19707841A1 (en) * | 1996-03-02 | 1997-10-30 | Alfmeier Walter Gmbh & Co | Spring loaded float-operated breather valve for fuel tanks of vehicles |
| CN101782159A (en) * | 2004-08-23 | 2010-07-21 | 拉法尔A.C.S.有限公司 | The dual function valve that is used for fuel tank |
| US20080236672A1 (en) * | 2007-03-30 | 2008-10-02 | Toyoda Gosei Co., Ltd. | Fuel shut-off valve |
| CN102165174A (en) * | 2008-08-26 | 2011-08-24 | 伊顿公司 | Piloted fuel tank vapor isolation valve |
| CN103328803A (en) * | 2011-01-21 | 2013-09-25 | 伊顿公司 | Isolation valve with integrated float valve for high-pressure applications |
| CN103672019A (en) * | 2013-12-02 | 2014-03-26 | 东正科技有限公司 | Sterile diaphragm valve |
| CN205859285U (en) * | 2016-08-11 | 2017-01-04 | 卡特彼勒（青州）有限公司 | Automatic exhaust steam valve and liquid communication system |
| CN208169659U (en) * | 2018-03-05 | 2018-11-30 | 皑壹汽车科技（上海）有限公司 | A kind of valve for fuel tanks of automobile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340412A (en) * | 2018-11-27 | 2019-02-15 | 戴胜汽车科技（苏州）有限公司 | The combination valve with hydrops function on automotive oil tank |
| CN109340412B (en) * | 2018-11-27 | 2024-03-08 | 戴胜汽车科技（苏州）有限公司 | Combined valve with hydrops function for automobile oil tank |
| CN111503353A (en) * | 2019-01-30 | 2020-08-07 | 丰田合成株式会社 | Fuel shut-off valve |
| CN111503353B (en) * | 2019-01-30 | 2022-05-24 | 丰田合成株式会社 | Fuel shut-off valve |
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