CN109441682A - The exhaust system and method for exhausting of low pressure oil way - Google Patents
The exhaust system and method for exhausting of low pressure oil way Download PDFInfo
- Publication number
- CN109441682A CN109441682A CN201811419151.5A CN201811419151A CN109441682A CN 109441682 A CN109441682 A CN 109441682A CN 201811419151 A CN201811419151 A CN 201811419151A CN 109441682 A CN109441682 A CN 109441682A
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- China
- Prior art keywords
- low pressure
- oil
- pressure oil
- oil way
- deflation assembly
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/20—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of exhaust system of low pressure oil way and method for exhausting, the exhaust system includes check valve and the low pressure oil way component being connected to high-pressure pump, the oil inlet of check valve is connected to the oil outlet of low pressure oil way component, the oil outlet of check valve is connected to fuel tank, the oil outlet of low pressure oil way component is also communicated with gas deflation assembly, and the oil outlet of gas deflation assembly is connected to fuel tank.Check valve forms a gas exhaust piping from the oil outlet of low pressure oil way component to fuel tank, and gas deflation assembly forms another gas exhaust piping, two gas exhaust piping parallel connections from low pressure oil way component to fuel tank.Above system structure is simple, it is small to change to primary car structure, meanwhile, low pressure oil way exhaust, which is realized, to be automatically brought into operation, and the comfort used is improved, in addition, the high-efficient of low pressure oil way exhaust, effect are good, can guarantee the normal starting of engine.
Description
Technical field
The present invention relates to technical field of automobile control more particularly to a kind of exhaust system of low pressure oil way, the present invention also to relate to
And a kind of method for exhausting of low pressure oil way.
Background technique
Our times industry rapid development, transport service is as one of industry essential during industrial development, hair
Exhibition is same rapid, and one of most important equipment is exactly lorry in transport service operation process, because the power that lorry needs is larger, therefore mesh
Preceding large-sized truck is all to be used using diesel engine as vehicular engine.Diesel engine because oil starvation or it is flame-out after must be by low pressure
Air discharge in oil circuit, otherwise, diesel engine will be unable to start.
When in the prior art, the mode that low pressure oil way is exhausted includes manual mode and electronic mode, wherein side manually
Formula is to open gas vent, then presses manual exhaust pump and air is discharged, but this kind of mode is cumbersome, increases driver
Working strength；In addition, electronic mode is by electrically operated fuel pump and unidirectional valve exhaust, after system electrification, in the control of timer
Under system, electrically operated fuel pump is started to work, and the check valve at filter end is opened, and realizes the bleeding of low pressure oil way, but unidirectional
Valve has the gas vent in certain cracking pressure and valve smaller, cause by gas flow it is limited, exhaust is not thorough.
Summary of the invention
The purpose of the present invention is to solve at least one above-mentioned problem, which is by the following technical programs
It realizes.
The present invention provides a kind of exhaust systems of low pressure oil way, including check valve and the low pressure oil way being connected to high-pressure pump
Component, the oil inlet of the check valve are connected to the oil outlet of the low pressure oil way component, the oil outlet and oil of the check valve
Case connection, the oil outlet of the low pressure oil way component are also communicated with gas deflation assembly, the oil outlet of the gas deflation assembly and the oil
Case connection.
Preferably, the low pressure oil way component includes timer and oil transfer pump, the timer respectively with the oil transfer pump
It is electrically connected with the gas deflation assembly.
Preferably, the gas deflation assembly includes solenoid valve, and the solenoid valve is electrically connected with the timer, the solenoid valve
Oil inlet be connected to the oil outlet of the low pressure oil way component.
Preferably, the gas deflation assembly further includes throttle valve, and the oil inlet of the throttle valve is fuel-displaced with the solenoid valve
Mouth connection, the oil outlet of the throttle valve are connected to the fuel tank.
Preferably, the low pressure oil way component further includes fuel oil coarse filtration, low-lift pump, fuel oil refined filtration, the fuel oil coarse filtration
Oil inlet is connected to the fuel tank, and the oil outlet of the fuel oil coarse filtration is connected to the oil inlet of the oil transfer pump, the oil transfer pump
Oil outlet be connected to the oil inlet of the low-lift pump, the oil inlet of the oil outlet of the low-lift pump and the fuel oil refined filtration connects
Logical, the oil outlet of the fuel oil refined filtration connects with the oil inlet component of the high-pressure pump, the check valve and the solenoid valve respectively
It is logical.
The present invention also provides a kind of method for exhausting of low pressure oil way, pass through the exhaust system of low pressure oil way as described above
Implement, which includes the following steps:
S1: default evacuation time；
S2: starting low pressure oil way component and gas deflation assembly；
S3: the working time of record low pressure oil way component and gas deflation assembly；
S4: judging whether the working time of low pressure oil way component and gas deflation assembly is greater than default evacuation time, if more than or
It is equal to, is then transferred to S5, if being less than, low pressure oil way component and gas deflation assembly works on；
S5: low pressure oil way component and gas deflation assembly are closed.
Preferably, in step sl, default evacuation time is set in timer as 3min.
Preferably, in step s3, by timer to the electricity in the oil transfer pump and gas deflation assembly in low pressure oil way component
The working time of magnet valve is recorded simultaneously.
Preferably, in step s 4, when the work of the solenoid valve in the oil transfer pump and gas deflation assembly in low pressure oil way component
When time is less than default evacuation time, oil transfer pump is made to work on, solenoid valve is made to keep open state, timer continues pair
The working time of oil transfer pump and solenoid valve is recorded, and in real time by the working time of oil transfer pump and solenoid valve and default exhaust
Time is compared.
Preferably, in step s 5, when the work of the solenoid valve in the oil transfer pump and gas deflation assembly in low pressure oil way component
When time is greater than or equal to default evacuation time, timer is made to stop working.
Compared with prior art, the exhaust system of the low pressure oil way of offer of the present invention and the beneficial effect of method for exhausting
Are as follows:
1, the exhaust system structure is simple, small to the change of former vehicle low pressure oil way, can be effectively reduced the cost of manufacture.
2, easily controllable, it is convenient for bleeding.
3, two gas exhaust pipings in parallel are formed using check valve, solenoid valve and throttle valve, improves the efficiency of exhaust, protected
The effect of exhaust is demonstrate,proved.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the exhaust system structure block diagram of the low pressure oil way of the present invention provided；
Fig. 2 is the flow chart of the method for exhausting of the low pressure oil way of the present invention provided.
Appended drawing reference
1 is fuel tank；
2 be fuel oil coarse filtration；
3 be oil transfer pump；
4 be timer；
5 be low-lift pump；
6 be fuel oil refined filtration；
7 be high-pressure pump；
8 be solenoid valve；
9 be throttle valve；
10 be check valve.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the exhaust system structure block diagram of the low pressure oil way of the present invention provided；Fig. 2 is
The flow chart of the method for exhausting of the low pressure oil way of offer of the present invention.
In a specific embodiment, a kind of exhaust system of low pressure oil way provided by the present invention, including check valve
10 and the low pressure oil way component that is connected to high-pressure pump 7, the oil inlet of check valve 10 be connected to the oil outlet of low pressure oil way component, it is single
Be connected to the oil outlet of valve 10 with fuel tank 1, the oil outlet of low pressure oil way component is also communicated with gas deflation assembly, gas deflation assembly it is fuel-displaced
Mouth is connected to fuel tank 1.In above system, one end of low pressure oil way component is communicated to fuel tank 1, the oil inlet of the other end and high-pressure pump 7
Mouth connection, the oil inlet of check valve 10 are connected to the oil outlet of low pressure oil way, and the oil outlet of check valve 10 is connected to fuel tank 1, row
The oil inlet of pneumatic module is connected to the oil outlet of low pressure oil way, and the oil outlet of gas deflation assembly is connected to fuel tank 1, that is to say, that single
Oil outlet to valve 10 from low pressure oil way component to fuel tank 1 forms a gas exhaust piping, gas deflation assembly from low pressure oil way component extremely
Fuel tank 1 forms another gas exhaust piping, two gas exhaust piping parallel connections.
When low pressure oil way is exhausted, system electrification, low pressure oil way component and gas deflation assembly start, at this time high-pressure pump 7
It is in close state, low pressure oil way component extracts fuel oil from fuel tank 1 out, and the oil outlet through low pressure oil way component respectively enters exhaust
Component and check valve 10, fuel oil return fuel tank 1 by check valve 10 and gas deflation assembly, to realize the row to low pressure oil way
Gas, after exhaust process reaches the preset time, low pressure oil way component and gas deflation assembly are closed, and the exhaust of low pressure oil way is completed,
The starting of engine can be carried out at this time.
Above system structure is simple, it is small to change to primary car structure, meanwhile, low pressure oil way exhaust, which is realized, to be automatically brought into operation, and is improved
The comfort used can guarantee the normal starting of engine in addition, the high-efficient of low pressure oil way exhaust, effect are good.
It should be pointed out that above-mentioned check valve 10 is from the oil outlet of low pressure oil way to 1 one-way conduction of fuel tank, thus effectively real
Now to the bleeding of low pressure oil way.
Be further understood that, low pressure oil way component includes timer 4 and oil transfer pump 3, timer 4 respectively with oil transfer pump 3
It is electrically connected with gas deflation assembly.After system electrification, oil transfer pump 3 and gas deflation assembly start simultaneously, when presetting exhaust in timer 4
Between, and timer 4 records the working time of oil transfer pump 3 and gas deflation assembly, reach when oil transfer pump 3 and gas deflation assembly or
After default evacuation time, oil transfer pump 3 and gas deflation assembly stop, to complete the bleeding to low pressure oil way.
It should be pointed out that above-mentioned default evacuation time is 3min, time setting, which can satisfy, low pressure oil way
Effect exhaust, meanwhile, the energy consumption of low pressure oil way exhaust can be effectively reduced.
Further, gas deflation assembly includes solenoid valve 8, and solenoid valve 8 is electrically connected with timer 4, the oil inlet of solenoid valve 8 with
The oil outlet of low pressure oil way component is connected to.When operation is exhausted, after system electrification, solenoid valve 8 is opened, and enables fuel oil
It is entered in gas deflation assembly by the oil outlet of low pressure components by solenoid valve 8, this kind of structure can be realized oneself of exhaust process
Dynamic control, improves the comfort used, meanwhile, easily controllable, control is accurate, and the exhaust effect of low pressure oil way has been effectively ensured
Fruit.
Specifically, gas deflation assembly further includes throttle valve 9, and the oil inlet of throttle valve 9 is connected to the oil outlet of solenoid valve 8, section
The oil outlet of stream valve 9 is connected to fuel tank 1.Fuel oil enters throttle valve 9 by the oil outlet of solenoid valve 8, can by throttle valve 9
The pressure difference at 9 both ends of throttle valve is kept, so that effective progress of bleeding, and then guarantee the effect of exhaust.
It should be pointed out that above-mentioned throttle valve 9 can be according to specifically being selected, at the same time it can also use elongated oil
Pipe substitutes throttle valve 9, to reduce the manufacturing cost of system.
Specifically, low pressure oil way component further includes fuel oil coarse filtration 2, low-lift pump 5, fuel oil refined filtration 6, the oil inlet of fuel oil coarse filtration 2
Mouth is connected to fuel tank 1, and the oil outlet of fuel oil coarse filtration 2 is connected to the oil inlet of oil transfer pump 3, the oil outlet and low-lift pump 5 of oil transfer pump 3
Oil inlet connection, the oil outlet of low-lift pump 5 is connected to the oil inlet of fuel oil refined filtration 6, the oil outlet of fuel oil refined filtration 6 respectively with height
Press pump 7, check valve 10 are connected to the oil inlet component of solenoid valve 8.In the exhaust process for carrying out low pressure oil way, fuel oil the circulation path
Diameter includes two, one are as follows: 6 → check valve of fuel tank 1 → fuel oil coarse filtration 2 → oil transfer pump, 3 → low-lift pump, 5 → fuel oil refined filtration 10 → oil
Case 1, another are as follows: 8 → throttle valve of fuel tank 1 → fuel oil coarse filtration 2 → oil transfer pump, 3 → low-lift pump, 5 → fuel oil, 6 → solenoid valve of refined filtration 9
→ fuel tank 1.It ensure that exhaust to effectively improve the deflation rate of low pressure oil way by forming two gas exhaust pipings in parallel
Effect, and then guarantee engine effective operation.
The present invention also provides a kind of method for exhausting of low pressure oil way, pass through the exhaust system of low pressure oil way as described above
Implement, which includes the following steps:
S1: default evacuation time sets default evacuation time as 3min, due to low pressure oil way component in timer 4
In the oil outlet of fuel oil refined filtration 6 be connected to the oil inlet of high-pressure oil pump, during being exhausted, if starting vehicle, combustion
Oil is able to enter high-pressure pump 7, will not impact to starting vehicle, therefore, in default evacuation time, can carry out vehicle
While start, if vehicle, which can smoothly start, to close exhaust system, thus realize save the energy purpose.
S2: starting low pressure oil way component and gas deflation assembly；System is powered on, at this point, vehicle is in inactive state, it is low
Oil transfer pump 3 in pressure oil road and the solenoid valve in gas deflation assembly 8 are in open state, by oil transfer pump 3 by the combustion in fuel tank 1
Oil is not sent into two gas exhaust pipings, and one is formed by check valve 10, and another is collectively formed with solenoid valve 8 and throttle valve 9,
Fuel oil passes through two gas exhaust pipings respectively and returns to fuel tank 1, and operation is exhausted to low pressure oil way to realize.This kind of structure can
The efficiency of exhaust is effectively improved, and guarantees the effect of exhaust, reduces the consumption of the energy in exhaust process.
S3: the working time of record low pressure oil way component and gas deflation assembly, by timer 4 in low pressure oil way component
The working time of solenoid valve 8 in oil transfer pump 3 and gas deflation assembly is recorded simultaneously.After exhaust system powers on, in low pressure oil way
Oil transfer pump 3 and gas deflation assembly in solenoid valve 8 open simultaneously, the working time of 4 pairs of the two of timer is effectively recorded, from
And in a certain range by the operation setup of the two, and then guaranteeing to realize the mesh for saving the energy while low pressure oil way exhaust
's.
S4: judging whether the working time of low pressure oil way component and gas deflation assembly is greater than default evacuation time, if more than or
It is equal to, is then transferred to S5, if being less than, low pressure oil way component and gas deflation assembly works on, the oil transportation in low pressure oil way component
When the working time of pump 3 and the solenoid valve 8 in gas deflation assembly is less than default evacuation time, so that oil transfer pump 3 is worked on, make electromagnetism
Valve 8 keeps open state, and timer 4 continues to record the working time of oil transfer pump 3 and solenoid valve 8, and in real time
The working time of oil transfer pump 3 and solenoid valve 8 is compared with default evacuation time.
S5: it when the working time of low pressure oil way component and gas deflation assembly being greater than or equal to default evacuation time, closes low
Pressure oil road component and gas deflation assembly, meanwhile, so that timer 4 is also stopped working, to complete the bleeding of low pressure oil way.
Compared with prior art, the exhaust system of the low pressure oil way of offer of the present invention and the beneficial effect of method for exhausting
Are as follows:
1, the exhaust system structure is simple, small to the change of former vehicle low pressure oil way, can be effectively reduced the cost of manufacture.
2, easily controllable, it is convenient for bleeding.
3, two gas exhaust pipings in parallel are formed using check valve, solenoid valve and throttle valve, improves the efficiency of exhaust, protected
The effect of exhaust is demonstrate,proved.
It should be understood that although multiple element, portion can be described using term first, second, third, etc. in the text
Part, region, layer and/or section still these component, assembly units, region, layer and/or are limited by these terms than Duan Buying.
These terms can only be used to distinguish a component, assembly unit, region, layer or section with another region, layer or section.Unless
Context is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text
Sequence or order is not implied that.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention answers the protection model with claim
Subject to enclosing.
Claims (10)
1. a kind of exhaust system of low pressure oil way, described unidirectional including check valve and the low pressure oil way component being connected to high-pressure pump
The oil inlet of valve is connected to the oil outlet of the low pressure oil way component, and the oil outlet of the check valve is connected to fuel tank, feature
It is, the oil outlet of the low pressure oil way component is also communicated with gas deflation assembly, the oil outlet of the gas deflation assembly and the fuel tank
Connection.
2. the exhaust system of low pressure oil way according to claim 1, which is characterized in that the low pressure oil way component includes meter
When device and oil transfer pump, the timer be electrically connected respectively with the oil transfer pump and the gas deflation assembly.
3. the exhaust system of low pressure oil way according to claim 2, which is characterized in that the gas deflation assembly includes electromagnetism
Valve, the solenoid valve are electrically connected with the timer, the oil outlet of the oil inlet of the solenoid valve and the low pressure oil way component
Connection.
4. the exhaust system of low pressure oil way according to claim 3, which is characterized in that the gas deflation assembly further includes throttling
Valve, the oil inlet of the throttle valve are connected to the oil outlet of the solenoid valve, and the oil outlet of the throttle valve and the fuel tank connect
It is logical.
5. the exhaust system of low pressure oil way according to claim 4, which is characterized in that the low pressure oil way component further includes
The oil inlet of fuel oil coarse filtration, low-lift pump, fuel oil refined filtration, the fuel oil coarse filtration is connected to the fuel tank, and the fuel oil coarse filtration goes out
Hydraulic fluid port is connected to the oil inlet of the oil transfer pump, and the oil outlet of the oil transfer pump is connected to the oil inlet of the low-lift pump, described
The oil outlet of low-lift pump is connected to the oil inlet of the fuel oil refined filtration, the oil outlet of the fuel oil refined filtration respectively with the high pressure
Pump, the check valve are connected to the oil inlet component of the solenoid valve.
6. a kind of method for exhausting of low pressure oil way passes through the exhaust system of low pressure oil way as described in any one in claim 1-5
System is to implement, which comprises the steps of:
S1: default evacuation time；
S2: starting low pressure oil way component and gas deflation assembly；
S3: the working time of record low pressure oil way component and gas deflation assembly；
S4: judging whether the working time of low pressure oil way component and gas deflation assembly is greater than default evacuation time, if more than or be equal to,
It is then transferred to S5, if being less than, low pressure oil way component and gas deflation assembly work on；
S5: low pressure oil way component and gas deflation assembly are closed.
7. the method for exhausting of low pressure oil way according to claim 6, which is characterized in that in step sl, in timer
Default evacuation time is set as 3min.
8. the method for exhausting of low pressure oil way according to claim 6, which is characterized in that in step s3, pass through timer
The working time of solenoid valve in oil transfer pump and gas deflation assembly in low pressure oil way component is recorded simultaneously.
9. the method for exhausting of low pressure oil way according to claim 6, which is characterized in that in step s 4, work as low pressure oil way
When the working time of the solenoid valve in oil transfer pump and gas deflation assembly in component is less than default evacuation time, oil transfer pump is made to continue work
To make, solenoid valve is made to keep open state, timer continues to record the working time of oil transfer pump and solenoid valve, and
The working time of oil transfer pump and solenoid valve is compared with default evacuation time in real time.
10. the method for exhausting of low pressure oil way according to claim 6, which is characterized in that in step s 5, work as low pressure oil way
When the working time of the solenoid valve in oil transfer pump and gas deflation assembly in component is greater than or equal to default evacuation time, make timer
It stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811419151.5A CN109441682A (en) | 2018-11-26 | 2018-11-26 | The exhaust system and method for exhausting of low pressure oil way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811419151.5A CN109441682A (en) | 2018-11-26 | 2018-11-26 | The exhaust system and method for exhausting of low pressure oil way |
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| Publication Number | Publication Date |
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| CN109441682A true CN109441682A (en) | 2019-03-08 |
Family
ID=65555659
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811419151.5A Pending CN109441682A (en) | 2018-11-26 | 2018-11-26 | The exhaust system and method for exhausting of low pressure oil way |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778552A (en) * | 2019-09-30 | 2020-02-11 | 长沙中联重科环境产业有限公司 | Closed hydraulic system, exhaust method of closed hydraulic system and washing and sweeping vehicle |
| CN111140417A (en) * | 2019-12-19 | 2020-05-12 | 潍柴动力股份有限公司 | Engine low-pressure oil way and exhaust control device and method thereof |
| CN113074068A (en) * | 2021-04-02 | 2021-07-06 | 浙江吉利控股集团有限公司 | Fuel supply system for vehicle, control method of fuel supply system and vehicle |
| CN113404743A (en) * | 2021-08-04 | 2021-09-17 | 重庆博昂斯特智能装备有限公司 | Oil supply system for testing hydraulic torque converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113074068A (en) * | 2021-04-02 | 2021-07-06 | 浙江吉利控股集团有限公司 | Fuel supply system for vehicle, control method of fuel supply system and vehicle |
| CN113404743A (en) * | 2021-08-04 | 2021-09-17 | 重庆博昂斯特智能装备有限公司 | Oil supply system for testing hydraulic torque converter |
| CN113404743B (en) * | 2021-08-04 | 2024-03-22 | 重庆博昂斯特智能装备有限公司 | Oil supply system for testing hydraulic torque converter |
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