CN103362705A - Fuel tank protecting valve and fuel tank with same - Google Patents

Fuel tank protecting valve and fuel tank with same Download PDF

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Publication number
CN103362705A
CN103362705A CN2012100870195A CN201210087019A CN103362705A CN 103362705 A CN103362705 A CN 103362705A CN 2012100870195 A CN2012100870195 A CN 2012100870195A CN 201210087019 A CN201210087019 A CN 201210087019A CN 103362705 A CN103362705 A CN 103362705A
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China
Prior art keywords
valve
fuel tank
cavity
gas channel
spring
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Granted
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CN2012100870195A
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Chinese (zh)
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CN103362705B (en
Inventor
庄新发
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BYD Co Ltd
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BYD Co Ltd
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Publication of CN103362705B publication Critical patent/CN103362705B/en
Expired - Fee Related legal-status Critical Current
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  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Safety Valves (AREA)

Abstract

The invention provides a fuel tank protecting valve which comprises a valve body, a valve core movably mounted on the valve body through elastic members, an oil-gas valve port matched with the valve core and capable of being closed or open, an oil-gas passage communicated with the oil-gas valve port. The oil-gas passage is communicated with an activated carbon tank, and the protecting valve is additionally mounted correspondingly to the oil-gas valve port to limit discharging of oil vapour in a fuel tank. The invention further provides the fuel tank. The fuel tank protecting valve is mounted on the fuel tank, so that when an engine desorbs the activated carbon tank and the interior of the fuel tank is in a negative-pressure state, an air-pressure adjusting valve port is opened, outside gas enters the fuel tank protecting valve through the oil-gas passage and then enters the fuel tank through the air-pressure adjusting valve port to perform air pressure compensation on the fuel tank, so that deformation and even breakage of the fuel tank due to overhigh negative pressure can be effectively prevented.

Description

A kind of fuel tank Protective valve and have the fuel tank of this Protective valve
Technical field
The present invention relates to a kind of fuel tank Protective valve and have the fuel tank of this Protective valve.
Background technique
Application number in the Chinese invention patent application prospectus " 200720131287.7 " discloses a kind of fuel tank Tipping valve, by inner cap upper and lower two cavitys are set in the valve body, in upper and lower two cavitys, passage is set respectively, interior covering the valve port that is communicated with upper and lower two cavity lane is set, at valve port arranged beneath spool, described spool is supported in the lower chamber by big spring.The central passage that is communicated in upper and lower two cavity lane is set at spool axis place, at central passage arranged beneath float, the below of described float arranges cartridge cover, and described cartridge cover is fixedly connected on the spool, arranges little spring between cartridge cover and central passage lower end surface.Excessive or accidents happened overturns when the car angle of inclination, when causing tank pressure excessive, float can separate with the lower end surface of central passage, opens lower channel, reach the off-load decompression, thereby safeguards system safety is avoided setting off an explosion.
Accident rear fuel tank internal pressure problems of too appears although this Tipping valve has solved vehicle, but can not well control the discharging of oily vapours, in addition, charcoal tank solenoid valve is opened, motor is to the charcoal canister desorption, and the easy negative pressure of fuel tank is excessive to be caused being out of shape, breaking and serious accident occurs.
Summary of the invention
One object of the present invention is to overcome the bad deficiency of fuel tank control oily vapours emission effect in the prior art; a kind of fuel tank Protective valve of effective control oily vapours discharging is provided, another object of the present invention also provide a kind of have described fuel tank Protective valve fuel tank.
A kind of fuel tank Protective valve; comprise valve body; by the movable spool that is installed on the valve body of elastic component; the gas channel that matches the oil gas valve port that can seal or open and be connected with the oil gas valve port with described spool; described valve body is divided into the first cavity and the second cavity; described spool is positioned at the first cavity; form the second cavity between described oil gas valve port and the gas channel; be provided with partition wall between described the first cavity and the second cavity; described oil gas valve port is positioned on the described partition wall; described fuel tank Protective valve also comprises pressure retaining valve; described pressure retaining valve is installed on the partition wall of a side that is positioned at the second cavity; described pressure retaining valve is provided with the air pressure adjustment valve port of realizing switch according to air pressure; described air pressure adjustment valve port communicates with the second cavity; also be provided with vent on the end face of described pressure retaining valve; described vent is connected with the oil gas valve port, and described pressure retaining valve passes through the first spring compression on described partition wall.
Further, be provided with the annulus projection around described oil gas valve port in the side that described partition wall is positioned at the second cavity, the end face of described pressure retaining valve is resisted against on the annulus projection, and described vent is positioned at described annulus protruding ring within scope.
Further, described air pressure adjustment valve port comprises lightweight ball and spacing hole, and described spacing hole communicates with the second cavity, and the diameter of described lightweight ball is greater than the internal diameter of spacing hole, and described lightweight ball is positioned at pressure retaining valve.
Further, also be provided with for spacing annular wall around described annulus projection on the described partition wall, described pressure retaining valve is positioned at annular wall and can moves back and forth along the pressure retaining valve axial direction.
Further, an end of described the first spring is fixed on the roof of the second cavity, and the other end of described the first spring is installed on the pressure retaining valve.
Further, described valve body also is provided be used to the assembly department that described gas channel is installed, and described assembly department is connected with gas channel by splined hole, and described splined hole inwall in axial direction is provided with at least one groove.
Further; the pilot hole that also is provided with the protection valve block between described splined hole and the gas channel and moves for the protection of valve block); described protection valve block can seal described gas channel; be provided with between described protection valve block and the gas channel be used to the second spring that resets, described protection valve block passes through the second spring against described splined hole.
Further, described gas channel is provided with for the sleeve pipe that the second spring is installed, the axis conllinear of described sleeve pipe and gas channel, and described the first spring housing is located on the described sleeve pipe.
Further, described gas channel comprises erection joint, and described erection joint is connected on the assembly department by back-off structure, also is provided with seal ring between described erection joint and the assembly department.
A kind of fuel tank, described fuel tank is provided with Protective valve, and described Protective valve is connected with fuel tank, and described Protective valve is above-mentioned fuel tank Protective valve.
A kind of fuel tank Protective valve provided by the invention; comprise valve body, by elastic component movable be installed in spool on the valve body, with described spool match the oil gas valve port that can seal or open and the gas channel that is connected with the oil gas valve port; gas channel is connected with charcoal canister; corresponding oil gas valve port installs Protective valve additional, the discharging of oily vapours in the restriction fuel tank.
Description of drawings
Fig. 1 is a kind of embodiment's of fuel tank Protective valve of the present invention structural representation.
Fig. 2 is a kind of embodiment's of the fuel tank Protective valve of the present invention structural representation of pressure retaining valve.
Fig. 3 is a kind of embodiment's the protection valve block of fuel tank Protective valve of the present invention and the structural representation of gas channel joint.
Fig. 4 is a kind of embodiment's of the fuel tank Protective valve of the present invention sectional view of gas channel.
Fig. 5 is a kind of embodiment's of the fuel tank Protective valve of the present invention sectional view of protection valve block.
Fig. 6 is a kind of embodiment's of the fuel tank Protective valve of the present invention radial junction composition of splined hole.
Wherein: valve body 1, elastic component 2, spool 3, oil gas valve port 4, gas channel 5; partition wall 6, the first cavitys 7, the second cavitys 8, the first springs 9; the second spring 10, sleeve pipe 11, pressure retaining valve 12, annular wall 13; annulus projection 14, vent 15, splined hole 16, groove 17; assembly department 18, seal ring 19, pilot hole 20, protection valve block 21; spacing hole 22, lightweight ball 23, valve gap 24, intercommunicating pore 25.
Embodiment
In order to make technical problem solved by the invention, technological scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1; a kind of fuel tank Protective valve provided by the invention; comprise valve body 1, by elastic component 2 movable be installed in spool 3 on the valve body 1, with described spool 3 match the oil gas valve port 4 that can seal or open and the gas channel 5 that is connected with oil gas valve port 4; described valve body 1 is divided into the first cavity 7 and the second cavity 8; described spool 3 is positioned at the first cavity 7; form the second cavity 8 between described oil gas valve port 4 and the gas channel 5; be provided with partition wall 6 between described the first cavity 7 and the second cavity 8, described oil gas valve port 4 is positioned on the described partition wall 6.
Described spool 3 is supported in the first cavity 7 by elastic component 2, gas channel 5 is connected with the charcoal canister (not shown), according to requirements, when normally travelling, the weight of spool 3 is greater than the elastic force of liquid buoyancy and elastic component 2, so spool 3 does not seal described oil gas valve port 4, oily vapours is absorbed by charcoal canister through oil gas valve port 4 and gas channel 5 discharge fuel tanks automatically.In the time of vehicle run-off the straight or overturning, so that fuel tank run-off the straight or inversion, the gravity of spool 3 is along the component of valve body 1 axial direction elastic force and the liquid buoyancy sum less than elastic component 2, and spool 3 is 4 sealings of oil gas valve port, prevents from that fuel oil from being overflowed by gas channel 5 to cause accident.
In conjunction with shown in Figure 2; can not control the discharging of oily vapours in order to overcome fuel tank in the prior art; the present invention proposes the technological scheme of pressurize; install pressure retaining valve 12 additional at the fuel tank Protective valve; pressure retaining valve 12 is installed on the partition wall 6 that is positioned at the second cavity 8 one sides; described pressure retaining valve 12 is provided with the air pressure adjustment valve port of realizing switch according to air pressure; described air pressure adjustment valve port communicates with the second cavity 8; also be provided with vent 15 on the end face of described pressure retaining valve 12; described vent 15 is connected with oil gas valve port 4; described pressure retaining valve 12 is pressed on the described partition wall 6 by the first spring 9; the oily vapours of being discharged by oil gas valve port 4 directly enters pressure retaining valve 12 by vent 15, is entered in the second cavity 8 by pressure retaining valve 12 again.
Described air pressure adjustment valve port comprises lightweight ball 23 and spacing hole 22, spacing hole 22 communicates with the second cavity 8, the diameter of described lightweight ball 23 is greater than the internal diameter of spacing hole 22, described lightweight ball 23 is positioned at pressure retaining valve 12, and the oily vapours that enters pressure retaining valve 12 inside from vent 15 enters the second cavity 8 by spacing hole 22 again.
The quality of described lightweight ball 23 should be tried one's best little even can be ignored weight, should select the lighter material of material to make, lightweight ball 23 needs to satisfy when oily vapours produces a point pressure, and lightweight ball 23 can float blocks spacing hole 22, can play like this effect of pressurize.
When oily vapours pressure increased to pressure retaining valve 12 and can overcome the elastic force effect of the first spring 9, pressure retaining valve 12 can separate with partition wall 6 under the effect of air pressure, discharged the oily vapours of high pressure; Produce negative pressure in fuel tank, when namely the fuel tank internal air pressure was less than the outer air pressure of fuel tank, lightweight ball 23 fell under action of gravitation automatically, and the air pressure adjustment valve port is opened, and fuel tank carries out tonifying Qi by pressure retaining valve 12.
For so that pressure retaining valve 12 be resisted against on the partition wall 6, one end of described the first spring 9 is fixed on the roof of the second cavity 8, the other end of described the first spring 9 is installed on the pressure retaining valve 12, and described the first spring 9 acts on the described pressure retaining valve 12 in the axial direction.
For so that better pushing against between pressure retaining valve 12 and the partition wall 6 improved tightness, be provided with annulus projection 14 around described oil gas valve port 4 in the side that described partition wall 6 is positioned at the second cavity 8, the end face of described pressure retaining valve 12 is resisted against on the annulus projection 14.
For so that pressure retaining valve 12 with can parking position accuracy after partition wall 6 separates, also be provided with for spacing annular wall 13 around described annulus projection 14 on the described partition wall 6, described annular wall 13 is the concentric circle setting with annulus projection 14, described pressure retaining valve 12 cooperates with annular wall 13 gaps, described pressure retaining valve 12 is positioned at annular wall 13 and can in axial direction moves back and forth, move for the ease of pressure retaining valve 12, described annular wall 13 is vertical with partition wall 6.
In conjunction with shown in Figure 3, described valve body 1 also is provided be used to the assembly department 18 that described gas channel 5 is installed, and described assembly department 18 is connected with gas channel 5 by splined hole 16, and described splined hole 16 inwalls in axial direction are provided with at least one groove 17.
In conjunction with shown in Figure 4, described gas channel 5 is provided with for the sleeve pipe 11 that the first spring 9 is installed, the axis conllinear of described sleeve pipe 11 and gas channel 5, described the first spring 9 is set on the described sleeve pipe 11, described gas channel 5 also comprises erection joint, described erection joint is connected on the assembly department 18 by back-off structure, also is provided with seal ring 19 between described erection joint and the assembly department 18.
In conjunction with Fig. 5 and shown in Figure 6; the pilot hole 20 that also is provided with protection valve block 21 between described splined hole 16 and the gas channel 5 and moves for the protection of valve block 21; described protection valve block 21 can seal described gas channel 5; for so that protection valve block 21 better is beneficial to the promotion of air-flow; the both sides of described protection valve block 21 are respectively equipped with conical surface; be provided with between described protection valve block 21 and the gas channel 5 be used to the second spring 10 that resets; described protection valve block 21 passes through the second spring 10 against described splined hole 16; because the existence of splined hole 16 further groove 17; protection valve block 21 is resisted against on splined hole 16 also can normal ventilation, and protection valve block 21 has played the effect of restriction gas flow.
Elasticity coefficient for the second spring 10; motor can produce very large adsorption force to the gas channel 5 that links to each other with charcoal canister during to the charcoal canister desorption; so that the gas flow in the safety valve of oil tank is accelerated; in order to prevent undue being sucked out of gas in the fuel tank; when reaching certain value, flow velocity need in time close gas channel 5; according to fluid mechanics principle; need to be to the second spring 10 given elasticity coefficient; preset a safety value; by calculating the corresponding protection the elastic coefficient of safety value, according to prior art as can be known, the elastic force F1 of the second spring 10; the lift F2 formula of fluid: F2=Cp* ρ * V2*A/2
Wherein, Cp is resistance coefficient, and tabling look-up to obtain approximative value, and is relevant with the valve block shape;
ρ=P/RT, ρ are density, and P is absolute pressure, and R is gas constant, and T is kelvin temperature, and A is the area of splined hole;
The elasticity coefficient size is directly related with the lift size, and the second spring 10 elasticity coefficient K1 that safety value is corresponding should satisfy:
K1<F2/Δh,
Wherein Δ h is the second spring 10 deformation quantities.
Protection valve block 21 working procedure: when motor carries out desorption to canister; be connected gas channel 5 with charcoal canister and can be subject to larger suction; because of the gas rapid flow; protect valve block 21 to be subject to lift of gas and the second spring 10 drag effect this moment; but after air-flow velocity reaches safety value; the lift that protection valve block 21 is subject to is greater than spring force; beginning gas channel 5 directions move; until gas channel 5 is blocked; fuel tank is played a protective role; when the engine stop desorption, protection valve block 21 is subject to the 10 elastic force effects of the second spring and gets back to again initial position.
When tank pressure is done the time spent greater than the elastic force of the first spring 9; Protective valve separates with partition wall 6; oily vapours is discharged by splined hole 16; when the solenoid valve of charcoal canister is opened; motor is to the charcoal canister desorption; the adsorption force of motor produces negative pressure so that fuel tank internal air pressure reduces; when; according to fluid mechanics principle, the safety value of protection spring is set, when the pressure of absorption arrives safety value greatly; when negative pressure increases to safety value; be the lift of corresponding fluid greater than the elastic force of protection spring, 5 discharge directions moves until gas channel 5 is blocked along pilot hole 20 to gas channel to make protection valve block 21, prevents because excessive fuel tank distortion or the situation of breaking of causing of negative pressure; fuel tank has been played protective action; behind the closed electromagnetic valve of charcoal canister, under the effect of the second spring 10, protection valve block 21 returns.
The present invention also provides a kind of fuel tank; Protective valve is installed on the fuel tank; described Protective valve adopts the fuel tank Protective valve that proposes among the present invention; described fuel tank Protective valve also is provided with valve gap 24; described spool 3 is by elastic component 2 mobilizable being supported on the described valve gap 24; also be provided with on the described valve gap 24 and the fuel tank through hole 25 that interlinks; it is inner that fuel oil in the fuel tank or oily vapours enter the fuel tank Protective valve by intercommunicating pore 25; fuel tank is by having installed the fuel oil Protective valve; when motor carries out desorption to charcoal canister; when fuel tank inside is in negative pressure; the air pressure adjustment valve port is opened, and ambient atmos enters the fuel tank Protective valve by gas channel, enters fuel tank by the air pressure adjustment valve port again; to carrying out atmospheric pressure compensating in the fuel tank, prevent that effectively the excessive situation that causes the fuel tank distortion even break of negative pressure from occuring.
A kind of fuel tank Protective valve provided by the invention, comprise valve body, by the movable spool that is installed on the valve body of elastic component, the gas channel that matches the oil gas valve port that can seal or open and be connected with the oil gas valve port with described spool, described valve body is divided into the first cavity and the second cavity, described spool is positioned at the first cavity, form the second cavity between described oil gas valve port and the gas channel, be provided with partition wall between described the first cavity and the second cavity, described oil gas valve port is positioned on the described partition wall, described spool is supported in the first cavity by elastic component, gas channel is connected with charcoal canister, corresponding oil gas valve port installs Protective valve additional, the discharging of oily vapours in the restriction fuel tank, be positioned at the opening and closing that the lightweight ball of Protective valve can the timely adjustment Protective valve, when fuel tank internal is in negative pressure, the lightweight ball is opened Protective valve, to carrying out tonifying Qi in the fuel tank under Action of Gravity Field; By the protection valve block is installed between gas channel and valve body; when the solenoid valve of charcoal canister is opened; motor is to the charcoal canister desorption; the adsorption force of motor produces negative pressure so that fuel tank internal air pressure reduces; when negative pressure increases to safety value; the protection valve block can in time be blocked gas channel, has prevented fuel tank because the excessive situation that deforms or break of negative pressure.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. fuel tank Protective valve; comprise valve body (1); by the movable spool (3) that is installed on the valve body (1) of elastic component (2); the gas channel (5) that matches the oil gas valve port (4) that can seal or open and be connected with oil gas valve port (4) with described spool (3); described valve body (1) is divided into the first cavity (7) and the second cavity (8); described spool (3) is positioned at the first cavity (7); form the second cavity (8) between described oil gas valve port (4) and the gas channel (5); be provided with partition wall (6) between described the first cavity (7) and the second cavity (8); described oil gas valve port (4) is positioned on the described partition wall (6); it is characterized in that; described fuel tank Protective valve also comprises pressure retaining valve (12); described pressure retaining valve (12) is installed on the partition wall (6) of a side that is positioned at the second cavity (8); described pressure retaining valve (12) is provided with the air pressure adjustment valve port of realizing switch according to air pressure; described air pressure adjustment valve port communicates with the second cavity (8); also be provided with vent (15) on the end face of described pressure retaining valve (12); described vent (15) is connected with oil gas valve port (4), and described pressure retaining valve (12) is pressed on the described partition wall (6) by the first spring (9).
2. fuel tank Protective valve according to claim 1; it is characterized in that; be provided with annulus projection (14) around described oil gas valve port (4) in the side that described partition wall (6) is positioned at the second cavity (8); the end face of described pressure retaining valve (12) is resisted against on the annulus projection (14), and described vent (15) is positioned at described annulus projection (14) around within the scope.
3. fuel tank Protective valve according to claim 1; it is characterized in that; described air pressure adjustment valve port comprises lightweight ball (23) and spacing hole (22); described spacing hole (22) communicates with the second cavity (8); the diameter of described lightweight ball (23) is greater than the internal diameter of spacing hole (22), and described lightweight ball (23) is positioned at pressure retaining valve (12).
4. fuel tank Protective valve according to claim 3; it is characterized in that; described partition wall (6) is upper also to be provided with for spacing annular wall (13) around described annulus projection (14), and described pressure retaining valve (12) is positioned at annular wall (13) and can moves back and forth along pressure retaining valve (12) axial direction.
5. fuel tank Protective valve according to claim 4 is characterized in that, an end of described the first spring (9) is fixed on the roof of the second cavity (8), and the other end of described the first spring (9) is installed on the pressure retaining valve (12).
6. fuel tank Protective valve according to claim 1; it is characterized in that; described valve body (1) also is provided be used to the assembly department that described gas channel (5) are installed (18); described assembly department (18) is connected with gas channel (5) by splined hole (16), and described splined hole (16) inwall in axial direction is provided with at least one groove (17).
7. fuel tank Protective valve according to claim 6; it is characterized in that; the pilot hole (20) that also is provided with protection valve block (21) between described splined hole (16) and the gas channel (5) and moves for the protection of valve block (21); described protection valve block (21) can seal described gas channel (5); be provided with between described protection valve block (21) and the gas channel (5) be used to the second spring (10) that resets, described protection valve block (21) passes through the second spring (10) against described splined hole (16).
8. fuel tank Protective valve according to claim 5; it is characterized in that; described gas channel (5) is provided with for the sleeve pipe (11) that the second spring (10) is installed; the axis conllinear of described sleeve pipe (11) and gas channel (5), described the first spring (9) is set on the described sleeve pipe (11).
9. fuel tank Protective valve according to claim 5; it is characterized in that; described gas channel (5) comprises erection joint, and described erection joint is connected on the assembly department (18) by back-off structure, also is provided with seal ring (19) between described erection joint and the assembly department (18).
10. fuel tank, described fuel tank is provided with Protective valve, and described Protective valve is connected with fuel tank, it is characterized in that, and described Protective valve is the described fuel tank Protective valve of the claims 1-9 any one.
CN201210087019.5A 2012-03-29 2012-03-29 A kind of fuel tank is protected valve and has the fuel tank of this protection valve Expired - Fee Related CN103362705B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210087019.5A CN103362705B (en) 2012-03-29 2012-03-29 A kind of fuel tank is protected valve and has the fuel tank of this protection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210087019.5A CN103362705B (en) 2012-03-29 2012-03-29 A kind of fuel tank is protected valve and has the fuel tank of this protection valve

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CN103362705A true CN103362705A (en) 2013-10-23
CN103362705B CN103362705B (en) 2016-12-14

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672071A (en) * 2013-12-20 2014-03-26 孙达立 Low-pressure protective valve for fuel oil evaporation system of passenger car
CN104847939A (en) * 2015-05-27 2015-08-19 安徽江淮汽车股份有限公司 Stabilizing and exhausting device for fuel oil
CN110103480A (en) * 2019-05-10 2019-08-09 浙江乔士智能工业股份有限公司 Oil can automatic assembling detects production line
CN112832939A (en) * 2021-02-25 2021-05-25 德安福(天津)汽车技术有限公司 Fuel tank filling device and high-pressure fuel system
CN113464332A (en) * 2021-08-25 2021-10-01 北京福田戴姆勒汽车有限公司 Oil supply system for vehicle and vehicle

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JPH1113572A (en) * 1997-06-20 1999-01-19 Nok Corp Liquid cutoff valve device
JP2001329925A (en) * 2000-05-23 2001-11-30 Aisan Ind Co Ltd Fuel cut-off valve device
CN1353260A (en) * 2000-11-07 2002-06-12 易通公司 Disengaging roll over valve
CN1715092A (en) * 2004-07-02 2006-01-04 伊顿公司 Rapid response fuel tank rollover/vent valve
CN1834441A (en) * 2005-03-15 2006-09-20 伊顿公司 Integral vapor storage and vent valve assembly for use with a small engine fuel tank and vapor emission system employing same
CN101968134A (en) * 2009-05-11 2011-02-09 伊顿公司 Fuel vapor vent valve with dynamic pressure relief

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1113572A (en) * 1997-06-20 1999-01-19 Nok Corp Liquid cutoff valve device
JP2001329925A (en) * 2000-05-23 2001-11-30 Aisan Ind Co Ltd Fuel cut-off valve device
CN1353260A (en) * 2000-11-07 2002-06-12 易通公司 Disengaging roll over valve
CN1715092A (en) * 2004-07-02 2006-01-04 伊顿公司 Rapid response fuel tank rollover/vent valve
CN1834441A (en) * 2005-03-15 2006-09-20 伊顿公司 Integral vapor storage and vent valve assembly for use with a small engine fuel tank and vapor emission system employing same
CN101968134A (en) * 2009-05-11 2011-02-09 伊顿公司 Fuel vapor vent valve with dynamic pressure relief

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672071A (en) * 2013-12-20 2014-03-26 孙达立 Low-pressure protective valve for fuel oil evaporation system of passenger car
CN104847939A (en) * 2015-05-27 2015-08-19 安徽江淮汽车股份有限公司 Stabilizing and exhausting device for fuel oil
CN110103480A (en) * 2019-05-10 2019-08-09 浙江乔士智能工业股份有限公司 Oil can automatic assembling detects production line
CN112832939A (en) * 2021-02-25 2021-05-25 德安福(天津)汽车技术有限公司 Fuel tank filling device and high-pressure fuel system
CN113464332A (en) * 2021-08-25 2021-10-01 北京福田戴姆勒汽车有限公司 Oil supply system for vehicle and vehicle
CN113464332B (en) * 2021-08-25 2022-08-23 北京福田戴姆勒汽车有限公司 Oil supply system for vehicle and vehicle

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