CN108488016A - The device of diesel engine starting over-emitting black exhaust can be alleviated - Google Patents
The device of diesel engine starting over-emitting black exhaust can be alleviated Download PDFInfo
- Publication number
- CN108488016A CN108488016A CN201810424403.7A CN201810424403A CN108488016A CN 108488016 A CN108488016 A CN 108488016A CN 201810424403 A CN201810424403 A CN 201810424403A CN 108488016 A CN108488016 A CN 108488016A
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- Prior art keywords
- diesel engine
- oil
- piston
- cylinder
- speed
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- 239000000446 fuel Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 abstract description 15
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 102
- 239000000295 fuel oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/447—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means specially adapted to limit fuel delivery or to supply excess of fuel temporarily, e.g. for starting of the engine
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention relates to a kind of devices for alleviating diesel engine starting over-emitting black exhaust, including oil cylinder（2）, piston（1）With the sealing cylinder cap of cylinder upper end（4）；Piston（1）By oil cylinder（2）It is divided into oil suction chamber（6）With draining chamber (8)；It is characterized in that：Piston（1）Lower section is provided with piston stroke limitation set（3）And compressed spring（5）；Above-mentioned oil suction chamber（6）Upper end sets fuel feed hole（7）, draining chamber（8）Lower end sets oil leak hole（9）；The present invention is just started to Fuel Injection Mechanism of Diesel Engine when diesel engine reaches fire speed or before and after reaching fire speed；When servo motor starts the fuel feeding into diesel engine, the increased speed of servo motor stroke can be reduced, also just reduces the increased speed of high-pressure oil pump fuel feeding into diesel engine.To improve the startability of diesel engine.
Description
Technical field
The present invention relates to a kind of starters of diesel engine, more particularly to are adjusted by hydraulic control servo motor stroke
The device for alleviating diesel engine starting over-emitting black exhaust of Fuel Delivery for Diesel Engines.
Background technology
Diesel engine is widely used in military, civilian every field as a kind of power plant.Power and diesel engine are turned
The fast higher diesel engine of control accuracy requirement, generally controls high-pressure oil pump groove using by hydraulic control servo motor stroke
To adjust the control mode of Fuel Delivery for Diesel Engines.The diesel engine of this control mode, during diesel engine starting, due to design
Present on problem, generally all can before diesel engine is not up to its fire speed, servo motor i.e. start to Fuel Injection Mechanism of Diesel Engine, and
The increased speed of fuel feeding quickly, first, causing before diesel engine is not up to its fire speed, has part fuel oil and sprays into diesel engine
It is interior；Second is that in diesel engine completes start-up course, servo motor can be continuously increased the fuel feeding groove of high-pressure fuel pump of diesel engine, make height
The fuel delivery that pressure oil pump sprays into each working cycles of diesel engine in diesel engine cylinder constantly increases.Its consequence, first, in bavin
Oil machine is not up to the fuel oil sprayed into diesel engine before its fire speed and is wasted completely because that cannot burn；Second is that due to diesel engine
The oxygen that cylinder interior energy is supplied to fuel oil to burn is limited, can cause the fuel oil sprayed into cylinder that cannot largely burn, from
And over-emitting black exhaust serious phenomenon when generating diesel engine starting, under extreme case, such as when environment temperature is too low, the startup of diesel engine
Fire speed can be improved accordingly so that diesel engine from start to turn to reach fire speed time it is longer；Oil pump is in work simultaneously
Oil pressure establishes speed also faster during work, and servo motor is made to increase the speed of high-pressure fuel pump of diesel engine fuel feeding groove also more
Soon, excessive due to spraying into the fuel oil in diesel engine to occur, oxygen wretched insufficiency can cause light a fire, diesel engine starting
Unsuccessful extreme case；Third, the problem that the speed overshoot rate that will appear startup is excessively high.Therefore, one can improve diesel engine
The research and development of startability device, over-emitting black exhaust serious phenomenon when being allowed to not only alleviate diesel engine starting reduce diesel engine and open
The environmental pollution of dynamic process；Speed overshoot rate can also be reduced, diesel engine working performance is improved；Also it can guarantee diesel engine lower
Environment temperature under smoothly start, be completely it is necessary.
On 09 23rd, 2009, Chinese invention patent application publication No. CN101539086A disclosed a kind of small cylinder of single cylinder
Diameter high speed diesel oil engine fuel injection pump assembly piston, including the plunger that is assemblied in plunger bushing, delivery valve seat are located at plunger bushing inner cavity
Top, wherein：Change the startup oil groove of fuel delivery when upper end head periphery is formed with for starting and injection pump can be changed
The pre- spray slit of fuel supply advance angle；Pre- spray slit is parallel with upper end face；Upper end head is formed with the oil-break slot extended downwardly；
Upper end head periphery is also formed with by the control oil groove of the oblique top of startup oil groove to oil-break slot.Due to the technical solution be from
Fuel Injection Mechanism of Diesel Engine side is directly changed fuel delivery when startup, i.e.,：Increase and start limit oil groove, the fuel feeding for changing oil spout pump loop is special
Property；This change can make the oil pressure of oil supply system unstable, cause fuel injection nozzle atomization uneven, the work to influence diesel engine goes out
Power.
Invention content
Aiming at foregoing problems present in existing diesel start-up course, providing one kind can alleviate the purpose of the present invention
The device of diesel engine starting over-emitting black exhaust.Ensure during diesel engine starting：First, when diesel engine reaches fire speed or reaching
To before and after fire speed, just start to Fuel Injection Mechanism of Diesel Engine；Second is that when servo motor starts the fuel feeding into diesel engine, can reduce
The increased speed of servo motor stroke also just reduces the increased speed of high-pressure oil pump fuel delivery into diesel engine.To improve
The startability of diesel engine.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of diesel engine starting over-emitting black exhaust alleviated
Device includes the sealing cylinder cap of oil cylinder, piston and cylinder upper end；Piston will the inner cavity of the oil cylinder up and down be divided into oil suction chamber and
Draining chamber；It is provided with compressed spring below piston；Draining chamber lower part is provided with piston stroke limitation set；Above-mentioned oil suction chamber upper end is set
Fuel feed hole, draining chamber lower end set oil leak hole.
Further, the fuel feed hole set by above-mentioned oil suction chamber upper end, can be located at the upper lateral part of oil cylinder, can also be located at close
It seals on cylinder cap.
Further, the piston stroke limitation set both can be designed as being sheathed on the component inside oil cylinder, can also profit
It is formed produced by integrated step with oil cylinder lower end inner wall thickness change.
Compared with prior art, for the present invention in diesel engine starting, the high-pressure oil pump that can be delayed is to Fuel Injection Mechanism of Diesel Engine and drops
The low increased speed of fuel delivery, preferably just starts when diesel engine reaches fire speed to Fuel Injection Mechanism of Diesel Engine, it is also possible to
Start before and after diesel engine reaches fire speed to Fuel Injection Mechanism of Diesel Engine, to ensure during diesel engine starting, to work as diesel engine
When rotating speed is not up to certain rotating speed, servo motor will not into diesel engine fuel feeding；When servo motor starts the fuel feeding into diesel engine
When, due to being all introduced into the working oil of servo motor originally, spring-compressed is made by fuel feed hole-oil suction chamber, piston moves down point
Oil suction chamber is flow to be in store；So that in start-up course, the working oil for entering servo motor is reduced, to make its stroke change
Speed slow down, the increased speed of the fuel feeding groove of high-pressure fuel pump of diesel engine reduces, and can slow down high-pressure oil pump into diesel engine
The increased speed of fuel delivery.To improve the startability of diesel engine：Over-emitting black exhaust serious phenomenon when alleviating diesel engine starting, subtracts
The environmental pollution of few diesel engine starting process；Speed overshoot rate is reduced, diesel engine working performance is improved；Ensure diesel engine lower
Environment temperature under smoothly start.
Description of the drawings
Fig. 1 show schematic structural view of the invention.
Fig. 2 show the status diagram that embodiment of the present invention working oil enters oil suction chamber storage.
Mark explanation：1 piston；2 oil cylinders；3 piston strokes limitation set；4 sealing cylinder caps；5 compressed springs；6 oil suction chambers；7 into
Oilhole；8 draining chambers；9 oil leak holes；11 overflow valves；12 diesel speed control mechanisms；13 servo motors；14 oil pumps；15 oil grooves.
Specific implementation mode
With reference to figure, the present invention will be further described.
As shown in Figure 1, a kind of device for alleviating diesel engine starting over-emitting black exhaust, including oil cylinder 2, piston 1 and cylinder upper end
Sealing cylinder cap 4；The inner cavity of the oil cylinder 2 is divided into oil suction chamber 6 and draining chamber 8 by piston 1 up and down；It is characterized in that：Piston 1
Lower section is provided with compressed spring 5；8 lower part of draining chamber is provided with piston stroke limitation set 3；6 upper end of above-mentioned oil suction chamber sets fuel feed hole
7,8 lower end of draining chamber sets oil leak hole 9；
Further, the fuel feed hole 7 set by 6 upper end of the oil suction chamber, can be located at the upper lateral part of oil cylinder 2, can also be located at close
It seals on cylinder cap 4.
Further, the piston stroke limitation set 3 both can be designed as being sheathed on the component inside oil cylinder 2, can also
It is formed produced by integrated step using 2 lower end inner wall thickness change of oil cylinder.
Further, 1 top of the piston can design a boss, ensure apparatus of the present invention before starting action, into
Oil pocket 6 has a space for minimum, and working oil is enable to enter in device.
Alternatively, a boss can be designed below the sealing cylinder cap 4, ensure apparatus of the present invention before starting action, into
Oil pocket 6 has a space for minimum, and working oil is enable to enter in device.
Alternatively, the inner wall of 2 upper end of the oil cylinder has one section of limited step, ensure apparatus of the present invention before starting action, into
Oil pocket 6 has a space for minimum, and working oil is enable to enter in device.
The present invention can alleviate the device of diesel engine starting over-emitting black exhaust for when controlling diesel engine starting, and working oil is to servo horse
Fuel feed hole 7 is connect the overflow valve 11 in servo motor work oil return line by the time for starting fuel feeding up to 13 and flow；The oil groove 15
It is linked in sequence overflow valve 11, diesel speed control mechanism 12 and servo motor 13 through oil pump 14；Overflow valve 11 and diesel engine turn
The current by pass reflux oil groove 15 of speed control mechanism 12；9 oil-containing groove 15 of oil leak hole so that leak into draining chamber 8 from oil suction chamber
Working oil can be back to oil groove 15.
In diesel engine starting, diesel engine rotates oil pump 14 and starts to work at the beginning, and the original oil pressure that system is established is just
It can be entered by the fuel feed hole 7 of oil cylinder 2 in the oil suction chamber 6 that oil cylinder 2 is formed with 1 upper surface of piston；As shown in Figure 1, due to this
Invention can alleviate the device of diesel engine starting over-emitting black exhaust, and piston 1 is in close to 4 position of sealing cylinder cap at this time, at this time the length of spring 5
Degree is maximum, fluid pressure of the fluid pressure that piston 1 overcomes the movement of 5 elastic force of spring required than pushing required by servo motor
It is low；Piston 1 starts rapid downlink movement prior to servo motor 13.The oil pressure established with oil pump 14 constantly increases, and piston 1 is continuous
5 elastic energy accumulation downlink of spring, the working oil that oil pump 14 provides, the oil pressure for pushing the movement of piston 1 to need into oil suction chamber 6 is overcome to get over
Come it is higher, after 1 downlink of piston moves a certain distance, 5 elastic energy accumulation of spring increase.As shown in Fig. 2, the work that oil pump 14 provides
Oil is constantly increased into 6 pressure of oil suction chamber；Piston 1 overcomes 5 elastic force downstream rate of spring to slow down.The oil established with oil pump 14
Pressure constantly increases, and is had reached required by pushing servo motor when oil pressure enters the oil pressure that oil suction chamber 6 pushes the movement of piston 1 to need
When fluid pressure, a part of working oil continues into oil suction chamber promotion 1 downlink of piston movement at this time, and a part of working oil starts
The piston movement for pushing it internal is entered in servo motor, so that high-pressure oil pump groove is constantly increased, is continuously increased to diesel engine
The diesel oil amount of supply, diesel ignition work by combustion make diesel engine speed improve rapidly, and diesel engine starts start-up course of lighting a fire.In bavin
Before and after oil start success, when piston 1 continues to overcome 5 elastic force of spring to come downwards to piston stroke limitation set 3 to be blocked downlink, work
Although the channel that oil enters oil suction chamber 6 is still open-minded, working oil cannot enter oil suction chamber 6, and the oil pressure of system increases rapidly
It is only controlled to the required design value of system and by overflow valve 11, piston 1 is maintained at travel limit under the action of system oil pressure
It covers 3 positions no longer to move, makes the device that can alleviate diesel engine starting over-emitting black exhaust in the course of work after diesel engine, no longer send out
Raw effect.At this time since the working oil of oil pump 14 is all introduced into servo motor, the speed of servo motor is pushed to accelerate, high pressure oil
The pump increased speed of groove also rises, to make diesel engine speed be rapidly reached minimum basicly stable rotating speed and complete to open machine mistake
Journey.
In working process of diesel engine, when the actual value of diesel engine speed is higher than given value, diesel speed control machine
Structure 12 opens the drain path of servo motor 13, to reduce the fuel delivery of diesel engine, diesel engine speed is made to decline；When diesel engine turns
When the actual value of speed is lower than given value, diesel speed control mechanism 12 opens the oil inlet passage of servo motor 13, to increase bavin
The fuel delivery of oil machine, makes diesel engine speed rise；When the actual value of diesel engine speed is equal to given value, diesel speed control
Mechanism 12 closes oil inlet and the drain path of servo motor 13, keeps the state of servo motor 13 constant, to keep diesel engine
Fuel delivery is constant, to keep diesel engine speed constant.
The method of the present invention is, first, passing through the required fluid pressure ratio of present apparatus piston overpowers spring force movement
It pushes the fluid pressure required by servo motor low, so that present apparatus piston is started rapid downlink prior to servo motor and move energy storage,
And part working oil can be ensured at the time of to be delayed to Fuel Injection Mechanism of Diesel Engine in diesel engine speed with the design of aerial drainage to oil groove
Reach the front and back just beginning fuel feeding of fire speed；Second is that when servo motor starts movement to Fuel Injection Mechanism of Diesel Engine, by making a part
Working oil continues to press on the movement of present apparatus descent of piston, and system working oil section store is enabled to enter servo in oil suction chamber 6
The work oil mass of motor is reduced, to reduce to the increased speed of diesel engine fuel oil supply.To reach purpose below：One
It is to spray into the fuel oil wasted in diesel engine before the present apparatus is installed before diesel engine is not up to fire speed, this dress is being installed
It postpones and no longer wastes；Second is that due in diesel engine ignition process, the increased speed of Fuel Delivery for Diesel Engines slows down, and diesel engine is made to light a fire
Fuel supply amount is more matched with the fuel oil burning required air quantity that diesel oil function provides in the process, to mitigate diesel engine starting
The serious phenomenon of over-emitting black exhaust in the process；Second is that when diesel engine starting process is just completed, since Fuel Delivery for Diesel Engines is relatively installed
It is reduced before the present apparatus so that the regulated quantity of Diesel Engine Control mechanism is also reduced at this time, to make under the speed overshoot rate of diesel engine
Drop.
The device for alleviating diesel engine starting over-emitting black exhaust of the present invention is tried out on a kind of diesel installation, and effect is good
It is good, fully meet design requirement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation, all essences in the present invention with the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (3)
1. a kind of device for alleviating diesel engine starting over-emitting black exhaust, including oil cylinder（2）, piston（1）With the sealing cylinder of cylinder upper end
Lid（4）；Piston（1）By the oil cylinder（2）Inner cavity up and down be divided into oil suction chamber（6）With draining chamber（8）；It is characterized in that：It is living
Plug（1）Lower section is provided with compressed spring（5）；Draining chamber（8）Lower part is provided with piston stroke limitation set（3）；Above-mentioned oil suction chamber（6）
Upper end sets fuel feed hole（7）, draining chamber（8）Lower end sets oil leak hole（9）.
2. the device for alleviating diesel engine starting over-emitting black exhaust according to claim 1 or claim 2, feature also exist
In：The oil suction chamber（6）Fuel feed hole set by upper end（7）, oil cylinder can be located at（2）Upper lateral part, sealing cylinder can also be located at
Lid（4）On.
3. the device for alleviating diesel engine starting over-emitting black exhaust according to claim 1 or claim 2, feature also exist
In：The piston stroke limitation set（3）Both it can be designed as being sheathed on oil cylinder（2）Internal component, can also utilize oil cylinder（2）
Lower end inner wall thickness change is formed produced by integrated step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424403.7A CN108488016A (en) | 2018-05-07 | 2018-05-07 | The device of diesel engine starting over-emitting black exhaust can be alleviated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424403.7A CN108488016A (en) | 2018-05-07 | 2018-05-07 | The device of diesel engine starting over-emitting black exhaust can be alleviated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488016A true CN108488016A (en) | 2018-09-04 |
Family
ID=63353734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424403.7A Pending CN108488016A (en) | 2018-05-07 | 2018-05-07 | The device of diesel engine starting over-emitting black exhaust can be alleviated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488016A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB467072A (en) * | 1935-12-30 | 1937-06-10 | Mitsubishi Heavy Ind Ltd | A device for automatically regulating the amount of fuel injection |
| DE3614711C1 (en) * | 1986-04-30 | 1987-06-25 | Daimler Benz Ag | A control device, operating by means of an expansion element as a function of the temperature, for fuel injection pumps of self-ignition internal combustion engines with supercharger |
| US5540206A (en) * | 1991-02-26 | 1996-07-30 | Ficht Gmbh | Fuel injection device for internal combustion engines |
| JP2000230434A (en) * | 1999-02-09 | 2000-08-22 | Yanmar Diesel Engine Co Ltd | Fuel injection timing control structure for fuel injection pump |
| US6279545B1 (en) * | 1998-07-21 | 2001-08-28 | Robert Bosch Gmbh | Fuel supply system for fuel supply of internal combustion engine |
| US6497215B1 (en) * | 1999-10-14 | 2002-12-24 | Robert Bosch Gmbh | Device for rapidly building-up pressure in a device of a motor vehicle, said device being supplied with a pressure medium by means of a feed pump |
| RU31610U1 (en) * | 2003-01-20 | 2003-08-20 | Чепелев Александр Григорьевич | Automotive engine lubrication system |
| FR2871197A1 (en) * | 2004-06-04 | 2005-12-09 | Renault V I Sa | PUMP INJECTOR |
| US7624720B1 (en) * | 2008-08-01 | 2009-12-01 | Ford Global Technologies, Llc | Variable set point fuel pressure regulator |
| CN208456750U (en) * | 2018-05-07 | 2019-02-01 | 长沙燕通生物科技有限公司 | It can be relieved the device of diesel engine starting over-emitting black exhaust |
-
2018
- 2018-05-07 CN CN201810424403.7A patent/CN108488016A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB467072A (en) * | 1935-12-30 | 1937-06-10 | Mitsubishi Heavy Ind Ltd | A device for automatically regulating the amount of fuel injection |
| DE3614711C1 (en) * | 1986-04-30 | 1987-06-25 | Daimler Benz Ag | A control device, operating by means of an expansion element as a function of the temperature, for fuel injection pumps of self-ignition internal combustion engines with supercharger |
| US5540206A (en) * | 1991-02-26 | 1996-07-30 | Ficht Gmbh | Fuel injection device for internal combustion engines |
| US6279545B1 (en) * | 1998-07-21 | 2001-08-28 | Robert Bosch Gmbh | Fuel supply system for fuel supply of internal combustion engine |
| JP2000230434A (en) * | 1999-02-09 | 2000-08-22 | Yanmar Diesel Engine Co Ltd | Fuel injection timing control structure for fuel injection pump |
| US6497215B1 (en) * | 1999-10-14 | 2002-12-24 | Robert Bosch Gmbh | Device for rapidly building-up pressure in a device of a motor vehicle, said device being supplied with a pressure medium by means of a feed pump |
| RU31610U1 (en) * | 2003-01-20 | 2003-08-20 | Чепелев Александр Григорьевич | Automotive engine lubrication system |
| FR2871197A1 (en) * | 2004-06-04 | 2005-12-09 | Renault V I Sa | PUMP INJECTOR |
| EP1751421A1 (en) * | 2004-06-04 | 2007-02-14 | Renault Trucks | Pump injector |
| US7624720B1 (en) * | 2008-08-01 | 2009-12-01 | Ford Global Technologies, Llc | Variable set point fuel pressure regulator |
| CN208456750U (en) * | 2018-05-07 | 2019-02-01 | 长沙燕通生物科技有限公司 | It can be relieved the device of diesel engine starting over-emitting black exhaust |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180904 |