CN220909869U - Fuel tank liquid collecting box integrating pressure control function - Google Patents
Fuel tank liquid collecting box integrating pressure control function Download PDFInfo
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- CN220909869U CN220909869U CN202322882143.7U CN202322882143U CN220909869U CN 220909869 U CN220909869 U CN 220909869U CN 202322882143 U CN202322882143 U CN 202322882143U CN 220909869 U CN220909869 U CN 220909869U
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- oil
- pressure control
- liquid collecting
- overpressure
- control
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- 239000007788 liquid Substances 0.000 title claims abstract description 104
- 239000002828 fuel tank Substances 0.000 title claims abstract description 28
- 239000003921 oil Substances 0.000 claims abstract description 222
- 238000001704 evaporation Methods 0.000 claims abstract description 45
- 230000008020 evaporation Effects 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 239000000295 fuel oil Substances 0.000 claims abstract description 9
- 239000000446 fuel Substances 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 10
- 230000005484 gravity Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The application relates to the technical field of automobile pressure fuel oil systems, in particular to a fuel tank liquid collecting box integrating a pressure control function, which comprises a liquid collecting shell, wherein a liquid collecting cavity and a pressure control cavity are formed in the shell, evaporation pipelines are communicated with two opposite sides of the liquid collecting cavity, one side of the evaporation pipelines are oil tank evaporation pipelines used for being communicated with an oil tank, the other side of the evaporation pipelines are fuel oil filling evaporation pipelines used for being communicated with a fuel oil filling device, the pressure control cavity is communicated with the liquid collecting cavity, an oil pressure control structure used for controlling the pressure control cavity to be communicated with the liquid collecting cavity is arranged at a communicating position, the oil pressure control structure is connected with an oil supply pipeline, one end of the pressure control cavity, which is far away from the oil pressure control structure, is communicated with an adsorption pipeline used for being connected with a carbon tank, and the advantage of reducing parts of an automobile fuel oil system is achieved.
Description
Technical Field
The application relates to the technical field of automobile pressure fuel oil systems, in particular to a fuel tank liquid collecting box integrating a pressure control function.
Background
In a high-pressure fuel system, the pressure in a fuel tank is very important to the fuel system, and the excessive pressure in the fuel tank can cause damage to parts such as the fuel tank and further cause oil leakage to occur accidents, and under the working conditions of starting and stopping, jolting, steering and the like of a vehicle, part of liquid fuel leaks out from a vent valve body of the fuel tank and enters a carbon tank through an evaporation pipeline of the fuel system, so that activated carbon in the carbon tank is deactivated, and the emission exceeds the standard.
The fuel tank oil pressure opening valve and the pressure fuel system based on the patent ZL202223466389.8 stabilize the pressure in the fuel system by arranging the pressure opening valve, store the liquid gasoline entering the evaporation pipeline by arranging the effusion box, and flow back into the fuel tank by the influence of gravity when the automobile stably runs.
Compared with the existing normal-pressure fuel system, the fuel tank oil pressure opening valve and the pressure fuel system based on the patent ZL202223466389.8 require additional parts such as an oil pressure opening valve, a fixed support matched with the oil pressure opening valve, a connecting pipeline, a plug connector, a fixed bolt and the like, occupy larger space, cannot be well arranged for some small vehicles, and increase manufacturing cost and assembly procedures.
Disclosure of utility model
The application provides a fuel tank liquid collecting box integrating a pressure control function for reducing parts of an automobile fuel system.
The technical aim of the application is realized by the following technical scheme:
The utility model provides an integrated pressure control function's fuel tank liquid collecting box, including the liquid collecting shell, liquid collecting cavity and pressure control chamber have been seted up to the inside liquid collecting cavity, liquid collecting cavity both sides intercommunication relatively has the evaporation pipeline, wherein one side evaporation pipeline is for being used for the oil tank evaporation pipeline with the oil tank intercommunication, the opposite side evaporation pipeline is for being used for the fuel filling evaporation pipeline with the fuel filling device intercommunication, pressure control chamber and liquid collecting cavity intercommunication and be provided with the oil pressure control structure that is used for controlling pressure control chamber and liquid collecting cavity intercommunication in the intercommunication department, oil pressure control structure is connected with the oil supply pipeline, pressure control chamber deviates from oil pressure control structure one end intercommunication and has the adsorption pipeline that is used for connecting the carbon tank.
Through adopting above-mentioned technical scheme, when the oil tank internal pressure is normal and refuel, gaseous from oil tank evaporation pipeline entering liquid collecting cavity then follow fluid filling evaporation pipeline and flow out liquid collecting cavity, after the lid of fluid filling device was opened, gaseous from fluid filling device department inflow carbon tank was followed to discharge into the atmosphere, and the fluid can get into the oil tank smoothly when making refuel. When the engine works, gas enters the liquid collecting cavity from the oil tank evaporation pipeline, then enters the pressure control cavity through the oil pressure control structure, and then enters the carbon tank from the adsorption pipeline and then discharges air. When the automobile shakes, liquid oil enters the liquid collecting cavity through the oil tank evaporation pipeline, and then flows into the oil tank under the influence of gravity after the automobile is stable. The purpose of reducing parts of the system is achieved by combining the liquid collecting box and the oil pressure control structure into one part.
Optionally, the liquid collecting cavity is provided with fluid separation cavity with fuel filling evaporation pipeline intercommunication department, and liquid collecting cavity and pressure control cavity intercommunication department are provided with fluid and hinder the compartment.
By adopting the technical scheme, the oil liquid resistance compartment is arranged to prevent liquid oil from entering the fuel oil filling evaporation pipeline and the pressure control cavity, so that the liquid oil is prevented from entering the carbon tank to influence the normal operation of the carbon tank.
Optionally, a plurality of baffles that are used for reducing fluid and rock are provided with in the liquid collecting cavity near the indoor department of fluid separation.
Through adopting above-mentioned technical scheme, the baffle can reduce fluid and rock, reduces the liquid oil mass that gets into the fluid separation is indoor to prevent that liquid oil from getting into the carbon tank and influencing the normal operating of carbon tank.
Optionally, an overpressure safety valve which is communicated with the liquid collecting cavity and the pressure control cavity when the pressure of the liquid collecting cavity is overlarge is arranged below the oil pressure control structure.
Through adopting above-mentioned technical scheme, when the pressure in the fuel system is too big, the excessive pressure relief valve opens and makes gaseous entering adsorption pipeline then gets into the carbon tank and filters and discharge into the atmosphere at last to this is to carry out the pressure release to the fuel system.
Optionally, be provided with the division board that separates pressure control chamber in the pressure control chamber, set up the through-hole in the middle of the division board, the excessive pressure relief valve includes excessive pressure spring, excessive pressure spring seat, excessive pressure disk seat and excessive pressure valve block, and excessive pressure spring both ends are connected with excessive pressure spring seat and division board face respectively, and excessive pressure disk seat one end is connected with excessive pressure spring seat, and the other end passes the through-hole and is connected with the excessive pressure valve block.
Through adopting above-mentioned technical scheme, when the internal pressure of fuel system is too big, thereby gas gives overpressure spring seat pressure and drives the displacement of overpressure valve seat to make between overpressure valve block and the division board produce the space, gas passes through the through-hole then gets into the adsorption pipeline and finally discharges into the atmosphere through the carbon tank, in order to reach and to carry out the pressure release to fuel system, thereby make the pressure in the fuel system resume in the normal range.
Optionally, the oil pressure control structure includes oil accuse casing, oil accuse spring seat, oil accuse spring, oil accuse case, oil accuse valve block and oil accuse end cover, oil accuse casing butt is on the excessive pressure disk seat, oil accuse casing intercommunication liquid collecting body inboard and outside, oil accuse casing is kept away from excessive pressure disk seat one end and is connected with oil accuse end cover, oil accuse end cover is connected with the oil supply pipeline, oil accuse valve block sets up between oil accuse casing and oil accuse end cover, oil accuse valve block sets up in oil accuse valve block towards one side of oil accuse casing, oil accuse spring seat cover is in oil accuse valve block outside and is connected with oil accuse valve block, oil accuse spring both ends are connected with oil accuse spring seat and oil accuse casing respectively.
Through adopting above-mentioned technical scheme, during engine operation, oil pump draws in oil to the oil supply pipeline, and oil produces pressure to the oil accuse valve block, makes the oil accuse valve block to the pressure control intracavity remove to drive the oil accuse case and remove, the oil accuse case supports the excessive pressure disk seat and promotes the excessive pressure disk seat to remove, thereby makes the gap between excessive pressure valve block and the division board, makes gas pass the gap and gets into the absorption pipeline and finally discharges into the atmosphere.
Optionally, a sealing ring is arranged at the contact part of the oil control shell and the liquid collecting shell.
By adopting the technical scheme, the sealing ring is arranged to prevent untreated gas in the fuel system from entering the atmosphere at the joint of the oil control shell and the liquid collecting shell, thereby causing atmospheric pollution.
Optionally, a limiting part for limiting the displacement of the oil pressure control structure is arranged on the liquid collecting shell.
By adopting the technical scheme, the limiting piece prevents the oil pressure control structure from falling off when the pressure in the liquid collecting box is overlarge.
In summary, the application has the following technical effects:
1. The liquid collection and oil pressure control structure is combined into one part, so that the aim of reducing parts of the system is fulfilled;
2. The function of pressure relief when the pressure in the oil tank is overlarge is achieved by arranging an overpressure safety valve;
3. Liquid oil is prevented from entering the fuel filling evaporation pipeline and the pressure control cavity by arranging an oil liquid resistance compartment.
Drawings
FIG. 1 is a block diagram of a fuel system of the present application;
FIG. 2 is a cross-sectional view of a fuel tank header of the present application;
FIG. 3 is a partial cross-sectional view of the overpressure relief valve of the present application;
Fig. 4 is a partial cross-sectional view of the oil pressure control structure of the present application.
In the figure, 1, a liquid collecting shell; 11. a liquid collection cavity; 111. a baffle; 112. an oil blocking compartment; 12. a pressure control chamber; 121. a partition plate; 1211. a through hole; 13. a seal ring; 14. a limiting piece; 2. an overpressure safety valve; 21. an overpressure spring seat; 22. an overpressure spring; 23. an overpressure valve seat; 24. an overpressure valve plate; 3. an oil pressure control structure; 31. an oil control housing; 32. an oil control end cap; 33. an oil control spring seat; 34. an oil control spring; 35. an oil control valve core; 36. an oil control valve plate; 4. an evaporation pipeline; 41. an oil tank evaporation pipeline; 42. a fuel filling evaporation pipeline; 5. an oil supply line; 6. an adsorption pipeline; 7. an oil tank; 71. an oil pump; 72. an engine; 721. a desorption pipeline; 8. a fuel filling device; 9. a carbon tank.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the application provides a fuel tank liquid collecting box integrating a pressure control function, which comprises a liquid collecting shell 1, an overpressure safety valve 2 and an oil pressure control structure 3, wherein the overpressure safety valve 2 is used for discharging air when the pressure in a fuel system is overlarge, the overpressure safety valve 2 is arranged in the liquid collecting shell 1, the oil pressure control structure 3 is arranged on the liquid collecting shell 1, and the overpressure safety valve 2 is connected with the oil pressure safety valve. Two groups of evaporation pipelines 4 are communicated with two opposite sides of the liquid collecting shell 1, one group of evaporation pipelines 4 is an oil tank evaporation pipeline 41 connected with an oil tank 7, the other group of evaporation pipelines 4 is an oil filling evaporation pipeline 42 connected with an oil filling device 8, the oil pressure control structure 3 is connected with an oil supply pipeline 5 for connecting an engine 72 and an oil pump 71, and an adsorption pipeline 6 for connecting a carbon tank 9 is communicated with the opposite side of the liquid collecting shell 1, where the oil pressure control structure 3 is arranged.
The liquid collecting shell 1 is internally provided with a liquid collecting cavity 11 and a pressure control cavity 12, two ends of the liquid collecting cavity 11 are communicated with an oil tank evaporation pipeline 41 and a fuel oil filling evaporation pipeline 42, the liquid collecting cavity 11 is provided with two oil blocking compartments 112 for preventing liquid oil from entering, one oil blocking compartment 112 is arranged at the communication position of the liquid collecting cavity 11 and the fuel oil filling evaporation pipeline 42, the other oil blocking compartment 112 is arranged at the communication position of the liquid collecting cavity 11 and the pressure control cavity 12, and a plurality of baffles 111 for reducing oil shaking are arranged in the liquid collecting cavity 11. The overpressure safety valve 2 and the oil pressure control structure 3 are arranged in the pressure control cavity 12 at the communication position with the liquid collecting cavity 11 and are used for controlling the communication between the pressure control cavity 12 and the liquid collecting cavity 11. A partition plate 121 is provided in the pressure control chamber 12 to divide the pressure control chamber 12 into left and right parts, and a through hole 1211 is provided in the center of the partition plate 121.
The overpressure safety valve 2 comprises an overpressure spring 22, an overpressure spring seat 21, an overpressure valve seat 23 and an overpressure valve plate 24, one end of the overpressure spring 22 is fixedly connected to the partition plate 121, the other end of the overpressure spring 22 is fixedly connected with the overpressure spring seat 21, the overpressure valve seat 23 is arranged between the overpressure springs 22, one end of the overpressure valve seat 23 is fixedly connected to the overpressure spring seat 21, the other end of the overpressure valve seat 23 penetrates through the partition plate 121 to the other side of the partition plate 121, the overpressure valve plate 24 is fixedly connected to one end of the overpressure valve seat 23 penetrating through the partition plate 121, the overpressure spring 22 is in a compressed state at the moment, and the overpressure valve plate 24 and the partition plate 121 are tightly stuck together by rebound of the overpressure spring 22. When the pressure in the oil tank 7 is too high, the gas in the oil tank 7 enters the liquid collecting cavity 11 through the oil tank evaporation pipeline 41, then when the pressure of the gas in the oil tank 7 breaks through the safety pressure, the pressure of the gas acts on the overpressure spring seat 21, so that the overpressure spring seat 21 drives the overpressure valve seat 23 and the overpressure valve plate 24 to move towards the direction of pressing the overpressure spring 22, a gap is formed between the overpressure valve plate 24 and the partition plate 121, and the gas passes through the through hole 1211, then enters the carbon tank 9 through the adsorption pipeline 6 for adsorption, and is discharged into the atmosphere, so that the pressure in the oil tank 7 is reduced.
The oil pressure control structure 3 includes oil accuse casing 31, oil accuse spring seat 33, oil accuse spring 34, oil accuse case 35, oil accuse valve block 36 and oil accuse end cover 32, and oil accuse casing 31 one end butt is connected overvoltage spring seat 21 one end at the excessive pressure disk seat 23, and oil accuse casing 31 other end passes liquid collecting body 1 and this end fixed connection has elastic oil accuse valve block 36, and oil accuse casing 31 and liquid collecting body 1 fixed connection and oil accuse casing 31 and liquid collecting body 1 fixed part are provided with the sealing washer 13 that is used for preventing gas leakage. The oil control end cover 32 is fixedly connected with the oil control shell 31 at one outer end, one side of the oil control end cover 32, which is away from the oil control shell 31, is communicated with the oil supply pipeline 5, and the oil control end cover 32 and the oil control shell 31 clamp the oil control valve plate 36 in the middle so that the oil control valve plate 36 separates the oil control shell 31 from the oil control end cover 32. The fixed locating part 14 that is used for restricting the displacement of oil pressure control structure 3 that is provided with in the album of liquid casing 1 outside, and the locating part 14 parcel is in the outside of oil control casing 31 and oil control end cover 32, thereby the locating part 14 prevents that oil control casing 31 from sliding out album of liquid casing 1 completely and consequently leads to oil pressure control structure 3 unable normal work.
The oil control spring 34, the oil control spring seat 33 and the oil control valve core 35 are all arranged inside the oil control shell 31, one end of the oil control valve core 35 is fixedly connected with the oil control valve plate 36, the other end of the oil control valve core 35 is close to the overpressure valve seat 23, the oil control spring seat 33 is fixedly arranged at one end of the oil control valve core 35 connected with the oil control valve plate 36, one end of the oil control spring 34 is fixedly connected with the oil control spring seat 33, and the other end of the oil control spring is fixedly connected with one end of the oil control shell 31, which is abutted to the overpressure valve seat 23. When the engine 72 is operated, the oil pump 71 delivers liquid oil into the engine 72 through the oil supply pipeline 5, the liquid oil flows into the oil control end cover 32 along with the oil supply pipeline 5, the pressure of the liquid oil deforms the elastic oil control valve plate 36, so that the oil control valve core 35 is driven to abut against the overpressure valve seat 23, the overpressure valve seat 23 drives the overpressure valve plate 24 and the partition plate 121 to generate a gap, gas in the oil tank 7 enters the pressure control cavity 12 through the liquid collecting cavity 11, and then the gas is purified by the carbon tank 9 and is discharged into the atmosphere, so that the pressure in the oil tank 7 is reduced.
The fuel filling device 8 controls the opening and closing of the pipeline passing through the fuel filling device 8 through the opening and closing of the cover of the fuel tank 7, the engine 72 is communicated with a desorption pipeline 721 for connecting with the air inlet of the carbon tank 9, and the air outlet of the carbon tank 9 is communicated with the atmosphere.
The specific implementation principle of the application is as follows: after the liquid oil in the oil tank 7 enters the liquid collecting cavity 11 through the oil tank evaporation pipeline 41 due to shaking, the baffle 111 reduces the shaking of the oil, and after the vehicle is stable, the liquid oil in the liquid collecting cavity 11 is influenced by gravity to flow back to the oil tank 7 through the oil tank evaporation pipeline 41. When the pressure in the oil tank 7 is normal, the gas in the oil tank 7 enters the liquid collecting cavity 11 through the oil tank evaporation pipeline 41 and then enters the fuel filling device 8 through the fuel filling evaporation pipeline 42, and the oil tank 7 is not discharged to the atmosphere because the oil tank 7 cover is in a closed state at this time and the fuel filling evaporation pipeline 42 is not communicated. When the fuel is filled, the cover of the fuel tank 7 is opened, the fuel filling evaporation pipeline 42 at the fuel filling device 8 is communicated, and gas in the fuel tank 7 enters the carbon tank 9 through the fuel filling evaporation pipeline 42 and then is discharged into the atmosphere, so that liquid fuel can smoothly enter the fuel tank 7 during the fuel filling. When the pressure in the oil tank 7 is overlarge, the gas in the oil tank 7 enters the liquid collecting cavity 11 through the oil tank evaporation pipeline 41, the pressure of the gas extrudes the overpressure spring seat 21 to move, a gap is formed between the overpressure valve plate 24 and the partition plate 121, and the gas in the liquid collecting cavity 11 enters the carbon tank 9 from the liquid collecting cavity 11 through the pressure control cavity 12 and then is discharged into the atmosphere, so that the air pressure in the oil tank 7 is reduced. When the engine 72 is operated, liquid oil enters the oil control end cover 32 through the oil supply pipeline 5, the liquid oil extrusion oil control valve plate 36 deforms, so that the oil control valve core 35 is driven to push the overpressure valve seat 23 to move, a gap is formed between the overpressure valve plate 24 and the partition plate 121, and gas in the liquid collection cavity 11 passes through the gap to enter the adsorption pipeline 6 and then enters the carbon tank 9 to be discharged into the atmosphere. Compared with the existing liquid collecting box, the liquid collecting box combines the liquid collecting box with the oil pressure control valve, so that the occupied space and the manpower and material resources consumed by part assembly are reduced.
Claims (8)
1. The utility model provides an integrated pressure control function's fuel tank collection liquid box which characterized in that: including liquid collecting body (1), liquid collecting cavity (11) and pressure control chamber (12) have been seted up to liquid collecting body (1) inside, liquid collecting cavity (11) opposite both sides intercommunication has evaporation pipeline (4), wherein one side evaporation pipeline (4) is for being used for with oil tank evaporation pipeline (41) of oil tank (7) intercommunication, opposite side evaporation pipeline (4) are for being used for with fuel filling evaporation pipeline (42) of fuel filling device (8) intercommunication, pressure control chamber (12) and liquid collecting cavity (11) intercommunication and be provided with in the intercommunication department and be used for controlling oil pressure control structure (3) of pressure control chamber (12) and liquid collecting cavity (11) intercommunication, oil pressure control structure (3) are connected with oil supply pipeline (5), pressure control chamber (12) deviate from oil pressure control structure (3) one end intercommunication and have adsorption pipeline (6) that are used for connecting carbon tank (9).
2. A fuel tank manifold integrating pressure control as set forth in claim 1 wherein: an oil liquid blocking compartment (112) is arranged at the communication position of the liquid collecting cavity (11) and the fuel oil filling evaporation pipeline (42), and an oil liquid blocking compartment (112) is arranged at the communication position of the liquid collecting cavity (11) and the pressure control cavity (12).
3. A fuel tank manifold integrating pressure control as set forth in claim 2 wherein: a plurality of baffles (111) for reducing oil sloshing are arranged in the liquid collecting cavity (11) and close to the oil liquid blocking compartment (112).
4. A fuel tank manifold integrating pressure control as set forth in claim 1 wherein: an overpressure safety valve (2) which is communicated with the liquid collecting cavity (11) and the pressure control cavity (12) when the pressure of the liquid collecting cavity (11) is overlarge is arranged below the oil pressure control structure (3).
5. The pressure control integrated fuel tank manifold as recited in claim 4, wherein: the pressure control cavity (12) is internally provided with a partition plate (121) for separating the pressure control cavity (12), a through hole (1211) is formed in the middle of the partition plate (121), the overpressure safety valve (2) comprises an overpressure spring (22), an overpressure spring seat (21), an overpressure valve seat (23) and an overpressure valve plate (24), two ends of the overpressure spring (22) are respectively connected with the surfaces of the overpressure spring seat (21) and the partition plate (121), one end of the overpressure valve seat (23) is connected with the overpressure spring seat (21), and the other end of the overpressure valve seat (23) penetrates through the through hole (1211) to be connected with the overpressure valve plate (24).
6. The fuel tank manifold of claim 5, wherein the fuel tank manifold further comprises a pressure control feature: the oil pressure control structure (3) comprises an oil control shell (31), an oil control spring seat (33), an oil control spring (34), an oil control valve core (35), an oil control valve plate (36) and an oil control end cover (32), wherein the oil control shell (31) is abutted to the overpressure valve seat (23), the oil control shell (31) is communicated with the inner side and the outer side of the liquid collection shell (1), one end of the oil control shell (31), far away from the overpressure valve seat (23), is connected with the oil control end cover (32), the oil control end cover (32) is connected with an oil supply pipeline (5), the oil control valve plate (36) is arranged between the oil control shell (31) and the oil control end cover (32), the oil control valve core (35) is arranged on one side, facing the oil control shell (31), the oil control spring seat (33) is sleeved on the outer side of the oil control valve core (35) and is connected with the oil control valve plate (36), and two ends of the oil control spring (34) are respectively connected with the oil control spring seat (33) and the oil control shell (31).
7. The pressure control integrated fuel tank manifold of claim 6, wherein: a sealing ring (13) is arranged at the contact position of the oil control shell (31) and the liquid collecting shell (1).
8. A fuel tank manifold integrating pressure control as set forth in claim 1 wherein: the liquid collecting shell (1) is provided with a limiting piece (14) for limiting the displacement of the oil pressure control structure (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322882143.7U CN220909869U (en) | 2023-10-26 | 2023-10-26 | Fuel tank liquid collecting box integrating pressure control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322882143.7U CN220909869U (en) | 2023-10-26 | 2023-10-26 | Fuel tank liquid collecting box integrating pressure control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909869U true CN220909869U (en) | 2024-05-07 |
Family
ID=90903234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322882143.7U Active CN220909869U (en) | 2023-10-26 | 2023-10-26 | Fuel tank liquid collecting box integrating pressure control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909869U (en) |
-
2023
- 2023-10-26 CN CN202322882143.7U patent/CN220909869U/en active Active
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