CN207178075U - A kind of oil pump oil circuit and diesel car - Google Patents
A kind of oil pump oil circuit and diesel car Download PDFInfo
- Publication number
- CN207178075U CN207178075U CN201720795373.1U CN201720795373U CN207178075U CN 207178075 U CN207178075 U CN 207178075U CN 201720795373 U CN201720795373 U CN 201720795373U CN 207178075 U CN207178075 U CN 207178075U
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- Prior art keywords
- oil
- pump
- transfer pump
- valve
- oil transfer
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- 238000012546 transfer Methods 0.000 claims abstract description 111
- 239000002828 fuel tank Substances 0.000 claims abstract description 37
- 239000000446 fuel Substances 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 267
- 239000000295 fuel oil Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010724 circulating oil Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
Diesel engine of vehicle manufacturing field is the utility model is related to, in particular to a kind of oil pump oil circuit and diesel car.The utility model discloses a kind of oil pump oil circuit, for large diesel engine, including fuel tank, oil transfer pump and the common rail pipeline being sequentially communicated；Oil return pipe, one end connection fuel tank of the oil return pipe away from common rail pipeline are communicated with common rail pipeline；Oil transfer pump includes the plunger pump connected with oil transfer pump；Inlet metering valve, inlet metering valve connection oil transfer pump and plunger pump are provided between oil transfer pump and plunger pump；Overflow valve is additionally provided between inlet metering valve and oil transfer pump, overflow valve connects the oil-out and oil return pipe of oil transfer pump.The oil pump oil circuit is able to ensure that the stability and accuracy of oil mass, and improves oil transfer pump reliability.
Description
Technical field
Diesel engine of vehicle manufacturing field is the utility model is related to, it is motor-driven in particular to a kind of oil pump oil circuit and diesel oil
Car.
Background technology
In the oil pump oil circuit of existing diesel, be present dew oil when valve is closed in inlet metering valve, revealed for discharge
Fuel oil must increase by zero oil mass choke valve before the valve of the inlet metering valve of oil pump oil circuit.Such set-up mode so that increase
Add the oil pump oil circuit after zero oil mass choke valve is relative to become complicated.Secondly as the aperture of zero oil mass choke valve is smaller, resistance be present
Oil pump oil circuit risk is filled in, and zero oil mass choke valve is also not susceptible to process.
Utility model content
First purpose of the present utility model is to provide a kind of oil pump oil circuit, for large diesel engine, the oil pump oil circuit
Oil pump oil circuit fuel feeding stability can be effectively improved, while the structure of oil pump oil circuit can be simplified, reduces the use of oil pump oil circuit
Cost.
Second purpose of the present utility model be to provide a kind of diesel car, and the diesel car is by using above-mentioned
Oil pump oil circuit, it is possible to increase the stability of operation, reduce the manufacturing cost of oil piping system, and the operation for improving oil pump oil circuit is steady
It is qualitative.
What embodiment of the present utility model was realized in：
A kind of oil pump oil circuit, for large diesel engine, including fuel tank, oil transfer pump and the common rail pipeline being sequentially communicated；
Oil return pipe, one end connection fuel tank of the oil return pipe away from common rail pipeline are communicated with common rail pipeline；
Oil transfer pump includes the plunger pump connected with oil transfer pump；
Inlet metering valve, inlet metering valve connection oil transfer pump and plunger pump are provided between oil transfer pump and plunger pump；
Overflow valve, the oil-out of overflow valve connection oil transfer pump and oil return are additionally provided between inlet metering valve and oil transfer pump
Pipe.
In a kind of embodiment of the present utility model：
Inlet metering valve includes ball-valve structure inlet metering valve, ball-valve structure inlet metering valve connection oil transfer pump and plunger
Pump.
In a kind of embodiment of the present utility model：
Fuel tank is provided with hand oil pump, and hand oil pump is used to the oil pressure in fuel tank entering oil pump oil circuit.
In a kind of embodiment of the present utility model：
Safety valve is provided between common rail pipeline and oil return pipe, and safety valve is by common rail pipe road direction oil return pipe one-way conduction.
In a kind of embodiment of the present utility model：
By-passing valve, and oil-feed of the by-passing valve along oil transfer pump are provided between the oil-out of oil transfer pump and the oil inlet of oil transfer pump
The oil-out one-way conduction of mouth and oil transfer pump.
In a kind of embodiment of the present utility model：
It is provided with safety valve between the oil-out of oil transfer pump and the oil inlet of oil transfer pump, and safety valve is along the fuel-displaced of oil transfer pump
The oil inlet one-way conduction of mouth and oil transfer pump.
In a kind of embodiment of the present utility model：
Inlet valve is provided with the connectivity part of plunger pump and oil transfer pump；
Delivery valve is provided with the connectivity part of plunger pump and common rail pipeline.
In a kind of embodiment of the present utility model：
Be additionally provided with fine filter between inlet metering valve and oil transfer pump, the both ends of fine filter respectively with inlet metering valve and defeated
Oil pump connects.
In a kind of embodiment of the present utility model：
Be additionally provided with fuel filter between fuel tank and oil transfer pump, the both ends of fuel filter respectively with fuel tank and oil transfer pump
Connection.
In a kind of embodiment of the present utility model：
Fuel filter is additionally provided between fuel tank and oil transfer pump.
A kind of diesel car, diesel car include fuel injector and above-mentioned oil pump oil circuit；
The common rail pipeline of oil pump oil circuit is connected with fuel injector.
The technical solution of the utility model at least has the advantages that：
Oil pump oil circuit provided by the utility model, for large diesel engine, the oil pump oil circuit can effectively improve oil pump oil
The oil supply performance on road, while the structure of oil pump oil circuit can be simplified.
Diesel car provided by the utility model, the diesel car is by using above-mentioned oil pump oil circuit, Neng Gouti
The stability of height operation, reduces the manufacturing cost of oil piping system, and improve the operation stability of oil pump oil circuit.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of oil pump oil circuit in the utility model embodiment；
Fig. 2 is the setting schematic diagram of oil return pipe in the utility model embodiment；
Fig. 3 is the setting schematic diagram of inlet metering valve in the utility model embodiment；
Fig. 4 is the setting schematic diagram of overflow valve in the utility model embodiment；
Fig. 5 is the setting schematic diagram of hand oil pump in the utility model embodiment.
Icon：200- oil pump oil circuits；210- fuel tanks；220- oil transfer pumps；230- common rail pipelines；240- oil return pipes；250- posts
Fill in pump；260- metering pipelines；261- inlet metering valves；270- overflow passages；271- overflow valves；281- hand oil pumps；282- is bypassed
Valve；283- safety valves；284- fine filters；285- cleaners.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the utility model embodiment, it is necessary to explanation, term " interior ", " under " etc. the orientation of instruction or
Position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when the side usually put
Position or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction or the device for implying meaning
Or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to of the present utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited,
Term " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect, can be joined directly together, can also be indirectly connected by intermediary, can be two elements
Internal connection.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the utility model
In concrete meaning.
Embodiment
Fig. 1 is refer to, Fig. 1 shows the concrete structure of the oil pump oil circuit 200 provided in embodiment.Can from Fig. 1
Go out fuel tank 210, oil transfer pump 220 and common rail pipeline 230 that the oil pump oil circuit 200 includes being sequentially communicated.And fuel oil is in the oil
Flow direction in pump oil road 200 is as shown by arrows in FIG..
It should be noted that the oil pump oil circuit 200 is used for large diesel engine, it is ensured that the fuel feeding stability of oil transfer pump 220 with
And accuracy.And improve the supply capability of oil transfer pump 220 and reliability.
Specifically, refer to Fig. 2, fuel tank 210, oil transfer pump 220 and common rail pipeline 230 are sequentially communicated, and common rail pipe
Road 230 is communicated with oil return pipe 240, one end connection fuel tank 210 of the oil return pipe 240 away from common rail pipeline 230.Thus fuel tank 210,
In the case that oil transfer pump 220, common rail pipeline 230 are sequentially communicated, common rail pipeline 230 and fuel tank are connected by oil return pipe 240
210, form the circulating oil path of fuel tank 210, oil transfer pump 220, common rail pipeline 230 and oil return pipe 240.
Fig. 3 is refer to, oil transfer pump 220 includes the plunger pump 250 connected with oil transfer pump 220.
Inlet metering valve 261 is provided between oil transfer pump 220 and plunger pump 250, inlet metering valve 261 connects oil transfer pump
220 with plunger pump 250.
Fig. 4 is refer to, overflow valve 271 is additionally provided between inlet metering valve 261 and oil transfer pump 220, overflow valve 271 connects
The oil-out of oil transfer pump 220 and oil return pipe 240.
It should be noted that in the oil pump oil circuit 200, fuel tank 210 is used for oil in reserve, and possesses and oil is cleared up
Ability, with ensure oil quality.Oil transfer pump 220 is used to provide certain pressure for the subsequent structural in the oil pump oil circuit 200
Oil.Common rail pipeline 230 is connected with injector, for spraying fuel oil.Oil return pipe 240 is managed for collecting the oil leak among oil circuit, and
And after collection, oil is delivered in fuel tank 210.
To sum up, in the present embodiment, the oil in fuel tank 210 is after entering in oil transfer pump 220, by oil transfer pump 220
Pressurization so that oil transfer pump 220 is discharged in by oil transfer pump 220.The oil discharged from oil transfer pump 220 pressurizes through oil transfer pump 220
After flow to plunger pump 250, after plunger pump 250 supply common rail pipe be used for fuel oil injection.In addition, enter in common rail pipeline 230
The oil not being ejected can be come back in fuel tank 210 after oil return pipe 240 is entered.Thus, the structure of oil pump oil circuit 200
Simply, the structure of oil circuit is simplified, reduces the cost used, thus, it is possible to improve the stability of operation, and improves fuel feeding
Precision and fuel feeding stability.
Secondly, inlet metering valve 261 is provided between oil transfer pump 220 and plunger pump 250, inlet metering valve 261 connects defeated
Oil pump 220 and plunger pump 250.And inlet metering valve 261 is arranged on the metering pipeline between plunger pump 250 and oil transfer pump 220
On 260, one end of metering pipeline 260 connects with the oil-out of oil transfer pump 220, the other end and the plunger pump 250 of metering pipeline 260
Oil inlet connection.So that oil can first pass around gauge line after oil transfer pump 220 before oil transfer pump 220 is entered
Road 260, due to being provided with inlet metering valve 261 on metering pipeline 260, by inlet metering valve 261 can effectively control from
The oily flow entered in oil transfer pump 220 in plunger pump 250, it is achieved in the essence to flow oily in the oil pump oil circuit 200
Really control.
Further, in the present embodiment, inlet metering valve 261 (does not show including ball-valve structure inlet metering valve in figure
Go out), ball-valve structure inlet metering valve is arranged on metering pipeline 260.Can be in ball valve knot using ball-valve structure inlet metering valve
No leakage oil mass in oil circuit, can so simplify high-pressure oil pump internal oil passages when structure inlet metering valve is closed, so as to save processing
Manufacturing cost, and the ball-valve structure inlet metering valve can be precisely controlled fuel flow under control of the ecu.
In addition, in of the present utility model, overflow valve 271 is additionally provided between inlet metering valve 261 and oil transfer pump 220,
Overflow valve 271 connects the oil-out and oil return pipe 240 of oil transfer pump 220.
Specifically, oil pump oil circuit 200 also includes overflow passage 270, overflow valve 271 is arranged on overflow passage 270, overflow
One end of pipeline 270 connects with the oil-out of oil transfer pump 220, and the other end of overflow passage 270 connects with oil return pipe 240.And
Before overflow valve 271 is arranged at the valve of inlet metering valve 261, keep the upstream pressure of inlet metering valve 261 stable.Pass through overflow passage
270 can limit the pressure of the oil pump oil circuit 200, when the upstream pressure of inlet metering valve 261 reaches a certain numerical value, overflow valve
271 open spilling excess fuel, prevent the hypertonia in oil pump oil circuit 200.Fuel oil is after inlet metering valve 261 controls oil mass
Plunger pump 250 is flowed into through inlet valve, finally supply common rail pipe through delivery valve sprays for fuel oil.Overflow valve 271 overflows fuel oil warp
Fuel tank 210 is flowed back on the road of oil return pipe 240.
Fig. 5 is refer to, fuel tank 210 is provided with hand oil pump 281, and hand oil pump 281 is used to the oil pressure in fuel tank 210 entering oil pump
Oil circuit 200.
By-passing valve 282, and the edge of by-passing valve 282 are provided between the oil-out of oil transfer pump 220 and the oil inlet of oil transfer pump 220
The oil inlet of oil transfer pump 220 and the oil-out one-way conduction of oil transfer pump 220.
After oil circuit emptying, by the hand oil pump 281 being arranged on fuel tank 210 and the fuel-displaced of oil transfer pump 220 is arranged on
The cooperating of by-passing valve 282 between mouth and the oil inlet of oil transfer pump 220, hand oil pump 281 is utilized to suck fuel oil and pressurized stream
To oil transfer pump 220, and by-passing valve 282 is opened, air is discharged, just oil pump can entered in oil circuit.
Safety valve 283 is provided between common rail pipeline 230 and oil return pipe 240, and safety valve 283 is by common rail pipeline 230
To the one-way conduction of oil return pipe 240.When the oil pressure in common rail pipeline 230 is normal, safety valve 283 is normally off.Work as common rail pipe
When oil pressure in road 230 is too high, and the safe pressure value of setting is exceeded, now safety valve 283 will automatically open up, by fuel oil
From common rail pipeline 230 thus release reaches the purpose of the oil pressure in control common rail pipeline 230, prevented altogether into oil return pipe 240
Oil pressure in rail pipeline 230 is too high.
Similarly, safety valve 283 is provided between the oil-out of oil transfer pump 220 and the oil inlet of oil transfer pump 220, and safely
The oil inlet one-way conduction of oil-out of the valve 283 along oil transfer pump 220 and oil transfer pump 220.When the oil pressure that oil transfer pump 220 exports is normal
When, safety valve 283 is normally off.When the oil pressure of the oil-out of oil transfer pump 220 is too high, and the safe pressure of setting is exceeded
Value, now safety valve 283 will be automatically opened up, and the oil-out of fuel oil from oil transfer pump 220 is back to the oil inlet of oil transfer pump 220
Place, thus reach the purpose of the oil pressure of the output of control oil transfer pump 220, prevent that the oil pressure of the output of oil transfer pump 220 is too high.
On the other hand, can be come back in fuel tank 210 after being flowed due to part fuel oil in the oil pump oil circuit 200, to protect
The oily quality entered from fuel tank 210 in oil pump oil circuit 200 is demonstrate,proved, fuel filter is additionally provided between fuel tank 210 and oil transfer pump 220
Clear device 285, the both ends of fuel filter 285 connect with fuel tank 210 and oil transfer pump 220 respectively.
And fine filter 284 is additionally provided between inlet metering valve 261 and oil transfer pump 220, the both ends difference of fine filter 284
Connected with inlet metering valve 261 and oil transfer pump 220.
The oil that can ensure to enter in oil pump oil circuit 200 from fuel tank 210 from there through cleaner 285 and fine filter 284
Quality.
In the present embodiment, inlet valve is provided with the connectivity part of plunger pump 250 and oil transfer pump 220, in plunger pump 250 together
The connectivity part of rail pipeline 230 is provided with delivery valve.
Based on above-mentioned oil pump oil circuit 200, the invention also discloses a kind of diesel car, the diesel car,
Common rail pipeline 230 including fuel injector and above-mentioned oil pump oil circuit 200, and oil pump oil circuit 200 is connected with fuel injector.
The operation principle of the oil pump oil circuit 200 is：
Oil in fuel tank 210 is after entering in oil transfer pump 220, by the pressurization of oil transfer pump 220 so that oil is by oil transportation
Discharged in pump 220.
When the oil pressure exported in oil transfer pump 220 is normal, inlet metering valve 261 is flowed into after the pressurization of oil transfer pump 220, by entering
Oil measurement valve 261 can effectively control the oily flow entered from oil transfer pump 220 in plunger pump 250, be achieved in this
The accurate control of oily flow in oil pump oil circuit 200.Oil by inlet metering valve 261 after plunger pump 250 is flowed to, through plunger pump
Common rail pipe is supplied after 250 to spray for fuel oil.
In addition, when oil pressure is too high, when the oil pressure of the oil-out of oil transfer pump 220 is too high, and the safety of setting is exceeded
Pressure value, now safety valve 283 will automatically open up, the oil-out of fuel oil from oil transfer pump 220 is back to entering for oil transfer pump 220
Oil port.Thus reach the purpose of the oil pressure of the output of control oil transfer pump 220, prevent that the oil pressure of the output of oil transfer pump 220 is too high.
When the upstream pressure of inlet metering valve 261 reaches a certain numerical value, overflow valve 271, which is opened, overflows excess fuel, goes forward side by side
Enter into oil return pipe 240, prevent the hypertonia in oil pump oil circuit 200.
It can be come back in addition, entering in common rail pipeline 230 oil not being ejected after oil return pipe 240 is entered
In fuel tank 210.Thus, the oil pump oil circuit 200 is simple in construction, simplifies the structure of oil circuit, reduces the cost used, thus, it is possible to
It is enough to improve the stability of operation, and improve the precision and fuel feeding stability of fuel feeding.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. oil pump oil circuit, for large diesel engine, it is characterised in that：The oil pump oil circuit includes fuel tank, oil transfer pump and the common rail pipeline being sequentially communicated；Oil return pipe is communicated with the common rail pipeline, the one end of the oil return pipe away from the common rail pipeline connects the fuel tank；The oil transfer pump includes the plunger pump connected with the oil transfer pump；Be provided with inlet metering valve between the oil transfer pump and the plunger pump, the inlet metering valve connect the oil transfer pump with The plunger pump；Overflow valve is additionally provided between the inlet metering valve and the oil transfer pump, the overflow valve connects going out for the oil transfer pump Hydraulic fluid port and the oil return pipe.
- 2. oil pump oil circuit according to claim 1, it is characterised in that：The inlet metering valve includes ball-valve structure inlet metering valve, and the ball-valve structure inlet metering valve connects the oil transfer pump With the plunger pump.
- 3. oil pump oil circuit according to claim 2, it is characterised in that：The fuel tank is provided with hand oil pump, and the hand oil pump is used to the oil pressure in the fuel tank entering oil pump oil circuit.
- 4. oil pump oil circuit according to claim 1, it is characterised in that：Safety valve is provided between the common rail pipeline and the oil return pipe, and the safety valve is as described in the common rail pipe road direction Oil return pipe one-way conduction.
- 5. oil pump oil circuit according to claim 1, it is characterised in that：By-passing valve is provided between the oil inlet of the oil-out of the oil transfer pump and the oil transfer pump, and the by-passing valve is described in The oil-out one-way conduction of the oil inlet of oil transfer pump and the oil transfer pump.
- 6. oil pump oil circuit according to claim 1, it is characterised in that：Safety valve is provided between the oil inlet of the oil-out of the oil transfer pump and the oil transfer pump, and the safety valve is described in The oil inlet one-way conduction of the oil-out of oil transfer pump and the oil transfer pump.
- 7. oil pump oil circuit according to claim 1, it is characterised in that：Inlet valve is provided with the connectivity part of the plunger pump and the oil transfer pump；Delivery valve is provided with the connectivity part of the plunger pump and the common rail pipeline.
- 8. oil pump oil circuit according to claim 1, it is characterised in that：Be additionally provided with fine filter between the inlet metering valve and the oil transfer pump, the both ends of the fine filter respectively with it is described enter Oil measurement valve connects with the oil transfer pump.
- 9. oil pump oil circuit according to claim 1, it is characterised in that：Be additionally provided with fuel filter between the fuel tank and the oil transfer pump, the both ends of the fuel filter respectively with it is described Fuel tank connects with the oil transfer pump.
- A kind of 10. diesel car, it is characterised in that：The diesel car includes the oil pump oil circuit described in any one in fuel injector and claim 1-9；The common rail pipeline of the oil pump oil circuit is connected with the fuel injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795373.1U CN207178075U (en) | 2017-07-03 | 2017-07-03 | A kind of oil pump oil circuit and diesel car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795373.1U CN207178075U (en) | 2017-07-03 | 2017-07-03 | A kind of oil pump oil circuit and diesel car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178075U true CN207178075U (en) | 2018-04-03 |
Family
ID=61735459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795373.1U Active CN207178075U (en) | 2017-07-03 | 2017-07-03 | A kind of oil pump oil circuit and diesel car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178075U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878245A (en) * | 2020-06-22 | 2020-11-03 | 潍柴动力股份有限公司 | Control device and control method of fuel system |
| CN112392634A (en) * | 2019-08-15 | 2021-02-23 | 中国船舶重工集团公司第七一一研究所 | Hydraulic oil supply device of internal combustion engine and ship with hydraulic oil supply device |
| CN115263630A (en) * | 2022-08-09 | 2022-11-01 | 钧风电控科技(大连)有限责任公司 | High-pressure fuel oil supply device |
-
2017
- 2017-07-03 CN CN201720795373.1U patent/CN207178075U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392634A (en) * | 2019-08-15 | 2021-02-23 | 中国船舶重工集团公司第七一一研究所 | Hydraulic oil supply device of internal combustion engine and ship with hydraulic oil supply device |
| CN111878245A (en) * | 2020-06-22 | 2020-11-03 | 潍柴动力股份有限公司 | Control device and control method of fuel system |
| CN115263630A (en) * | 2022-08-09 | 2022-11-01 | 钧风电控科技(大连)有限责任公司 | High-pressure fuel oil supply device |
| CN115263630B (en) * | 2022-08-09 | 2023-10-31 | 钧风电控科技(大连)有限责任公司 | High-pressure fuel oil supply device |
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Denomination of utility model: Oil circuit for oil pump and diesel-powered motor vehicle Effective date of registration: 20190730 Granted publication date: 20180403 Pledgee: Liaoning Xinfeng Real Estate Development Co.,Ltd. Pledgor: LIAOYANG XINFENG TECHNOLOGY CO.,LTD.|LIAONING XINFENG ENTERPRISE GROUP DALIAN YITE SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2019210000025 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20200922 Granted publication date: 20180403 |
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Date of cancellation: 20230922 Granted publication date: 20180403 |