WO2011155671A1 - 분리형 플런저를 가지는 연료분사펌프 - Google Patents
분리형 플런저를 가지는 연료분사펌프 Download PDFInfo
- Publication number
- WO2011155671A1 WO2011155671A1 PCT/KR2010/007412 KR2010007412W WO2011155671A1 WO 2011155671 A1 WO2011155671 A1 WO 2011155671A1 KR 2010007412 W KR2010007412 W KR 2010007412W WO 2011155671 A1 WO2011155671 A1 WO 2011155671A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plunger
- fuel
- main
- barrel
- fuel injection
- Prior art date
Links
Images
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
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
-
- 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
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
- F02M59/28—Mechanisms therefor
-
- 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
Definitions
- the present invention relates to a fuel injection pump having a separate plunger, and more particularly, a simple structure can easily adjust the injection timing and shape of the fuel, as well as enable high-pressure fine pre-injection of the engine.
- the invention relates to a fuel injection valve having a separate plunger which allows internal combustion to help warm up, thereby allowing complete combustion when the main fuel comes in.
- a general conventional fuel injection pump includes a pump casing 10, a barrel 11, and a plunger 12.
- the pump casing 10 of the conventional fuel injection pump configured as described above has a barrel insertion groove 100 formed therein, and a fuel input hole connected to a fuel inlet at the center of the outer circumferential surface thereof so as to communicate with the barrel insertion groove 100. 102 is penetrated.
- the barrel 11 is mounted in the barrel insertion groove 100 of the pump casing 10, and a fuel relief plug 110 is installed at the center of the outer circumferential surface thereof so as to communicate with the fuel suction hole 102, and a plunger therein.
- the fastening hole 111 is formed.
- the plunger 12 is slidably fastened to the plunger fastening hole 111 of the barrel 11 so that the lower end protrudes out of the lower end of the barrel 11 and the pump casing 120.
- the fuel injection pump of the general diesel engine configured as described above injects fuel by the plunger 12 installed one by one for each cylinder. It may have a combustion form corresponding to one cycle of the fuel injection by the cam, and since the plunger 12 only determines the volume, the value cannot be changed during operation to assist the fine injection and incomplete combustion before combustion, and the fuel during operation To change the injection timing, a separate Variable Injection Timing is required. That is, in the case of the mechanical device, the barrel 11 is inserted into the inside to move up and down to adjust the injection timing, and in the case of the electronic type, the fuel is injected at a necessary time by reading the crank angle in the form of a common rail.
- variable fuel injection timing device is not only very expensive, but also very difficult to adjust or control the device itself, and the helical groove (helics: Helics) in the plunger 12 so that only the main volume of the engine injection fuel is injected in a predetermined pattern. ) To control fuel level only.
- each one of the plungers 12 operates in the pump to achieve one cycle, no other combustion pattern can be realized without an additional device, and the amount of fuel in one plunger 12 can be realized. It is difficult to access various fuel injection patterns due to the adjustment of the fuel injection time and injection timing. This type of fuel has a problem in that fuel change and timing must be adjusted very carefully while driving the engine. As the plunger 12 responds to the engine load in all areas, it is difficult to show optimal performance in all load areas, and it is difficult to actively cope with the load, thus causing fuel consumption and harmful gas emission problems.
- an object of the present invention is to install two plungers in one fuel injection pump to improve the engine performance through the diversification of the fuel injection patterns by varying the combustion patterns of the two plungers in one cycle by the fuel cam.
- the fuel injection amount is controlled by adjusting the individual operation of the plunger in the fuel injection pump according to the engine load, and the fuel is pre-injected for warm-up and full combustion in the form of one cycle of combustion.
- the barrel is installed in the main pump casing, the main plunger is slidingly fastened so that the lower end protrudes in the lower direction of the barrel inside the barrel, the main pump casing and the barrel is in communication with each other
- the main fuel discharge port is formed so that the main plunger slides up and down along the barrel to compress fuel introduced into the barrel through the main fuel input hole and the main fuel relief plug to supply the fuel injection port through the main fuel discharge port.
- the injection timing of the fuel injection pump the upper surface is formed in a spiral shape on the outer circumferential surface slidingly coupled inside the barrel to be supported by the upper end of the main plunger so as to slide up and down in conjunction with the main plunger
- An adjustable spiral step is formed and A detachable plunger having a fuel passage formed at one side of an outer circumferential surface including a spiral timing step for adjusting the four timings; And an elastic member inserted into the barrel so that the lower end is elastically supported by the separate plunger and the upper end is supported by the inner upper surface of the barrel.
- the fuel injection pump having the separate plunger further comprising: will be.
- the fuel injection pump is installed on the upper end of the main pump casing, the lower end is inserted into the main pump casing and barrel is inserted into the removable plunger and slidingly coupled to rotate the separate plunger to adjust the fuel injection timing. It may be configured to further include a preliminary fuel injection control means.
- the preliminary fuel injection control means the lower end is inserted into the main pump casing and the barrel is inserted into the removable plunger inside the rotating shaft is sliding fastening;
- a timing adjusting rack installed at an upper end of the rotating shaft to be located outside the main pump casing;
- a timing pinion in gear connection with the timing adjustment rack;
- a stop nut screwed to an upper end of the rotating shaft.
- the detachable plunger may further be formed with a preliminary injection spiral projection on the outer circumferential surface such that a preliminary injection fuel passage is formed between the injection timing adjustment step and the upper surface of the injection timing adjustment step.
- the fuel injection valve having the separate plunger according to the present invention in addition to the main plunger, has a separate plunger which is slidably moved up and down in conjunction with the main plunger, so that the fuel is compressed by the main plunger before the main injection is performed.
- Preliminary injection of the fuel through the separate plunger allows injection warming up, and after the main injection, the residual oil can also be post-injected through the separate plunger to improve combustion performance and reduce fuel consumption as well as exhaust. Since the gas can be reduced, the overall engine performance can be improved.
- the fuel injection valve having a separate plunger according to the present invention can not only easily adjust the fuel injection timing from the outside by moving the rotational axis of the preliminary fuel injection adjusting means up and down, and the preliminary fuel injection control means is the main pump.
- the operation for adjusting the fuel injection timing is very simple and the repair is very easy.
- the fuel injection valve having a separate plunger according to the present invention is equipped with a separate plunger having a stepped injection timing adjustment step formed in a spiral shape of the upper surface by using a preliminary fuel injection control means to adjust the vertical height of the separate plunger
- a preliminary fuel injection control means to adjust the vertical height of the separate plunger
- FIG. 1 is an internal cross-sectional view illustrating a conventional fuel injection pump.
- Figure 2 is a cross-sectional view for explaining a fuel injection pump having a separate plunger according to an embodiment of the present invention.
- FIG 3 is a view for explaining the operation of the fuel injection pump having a separate plunger according to the present invention.
- Figure 4 is a view showing a combination of the injection section form of the main plunger and the detachable plunger according to the present invention in various cases.
- FIG. 5 is a view for explaining a removable plunger according to the present invention.
- Figure 6 is an exemplary view showing a graph of the form of pre-injection according to the fuel injection form of the separate plunger according to the present invention.
- FIG. 2 is a cross-sectional view for explaining a fuel injection pump having a separate plunger according to an embodiment of the present invention
- Figure 3 is a view for explaining the operation of the fuel injection pump having a separate plunger according to the present invention
- 4 is a view showing a combination of the injection section shape of the main plunger and the detachable plunger according to the present invention in various cases
- Figure 5 is a view for explaining the detachable plunger according to the present invention.
- a fuel injection pump having a separate plunger includes a main pump casing 10, a barrel 11, a main plunger 12, and a separate plunger 13. , An elastic member 14, a preliminary fuel injection control means 15, and a main pump fuel control means 16.
- the main pump casing 10 of the fuel injection pump having a separate plunger according to an embodiment of the present invention configured as described above has a barrel insertion groove 100 formed therein, and Rotation shaft insertion groove 101 is formed in the direction of the barrel insertion groove 100 in the upper surface to communicate with the upper end, the main fuel input is connected to the fuel inlet 17 in the center of the outer peripheral surface to communicate with the barrel insertion groove 100
- the hole 102 penetrates through the drain line 103 at one end of the outer circumferential surface and communicates with the barrel insertion groove 100, and a main fuel discharge hole 104 is formed at the other end of the outer circumferential surface.
- the barrel 11 is inserted into the barrel insertion groove 100 of the main pump casing 10, and the main fuel relief plug 110 is installed at the center of the outer circumferential surface so as to communicate with the main fuel input hole 102.
- a plunger fastening hole 111 is formed therein, the plunger fastening hole 111 communicates with a lower end thereof, and an upper end thereof communicates with a lower end of the main fuel discharge hole 104 formed in the main pump casing 10. 112 is formed.
- the main plunger 12 is slidably fastened to the plunger fastening hole 111 of the barrel 11 so that the lower end protrudes out of the lower end of the barrel 11 and the main pump casing 10, and the main plunger 12.
- An upper end of the spiral surface 120 for adjusting the injection timing is formed in a spiral shape of the lower surface is formed, the fuel passage 121 is formed on one side of the outer peripheral surface including the injection timing adjusting spiral step 120.
- the detachable plunger 13 is slidingly fastened to the plunger fastening hole 111 formed in the barrel 11 so that the lower end is supported by the upper end of the main plunger 12 so as to slide upward and downward in association with the main plunger 12.
- An injection timing adjustment step 130 having an upper surface formed in a spiral shape protrudes on an outer circumferential surface of the detachable plunger 13, and a fuel passage 133 is formed on one side of the outer circumference including the injection timing adjustment step 130.
- the rotation shaft insertion hole 131 is formed in the direction of the lower surface from the upper surface.
- the separate plunger 13 has a preliminary injection type spiral protrusion on an outer circumferential surface thereof so as to form a preliminary injection fuel passage 132a between the injection timing adjustment step 130 and an upper surface of the injection timing adjustment step 130. 132 may be further formed.
- the elastic member 14 has a lower end portion elastically supported by the separate plunger 13, and an upper end portion thereof is supported by the upper surface of the plunger fastening hole 111 formed in the barrel 11. 111).
- the fuel injection pump is installed in the upper end of the main pump casing 10, the lower end is inserted into the main pump casing 10 and the barrel 11 is inserted into the removable plunger 13 and slidingly fastened to the It further comprises a preliminary fuel injection control means 15 that can adjust the fuel injection timing by rotating the separate plunger 13.
- the configuration of the preliminary fuel injection adjusting means 15 will be described in more detail.
- the preliminary fuel injection adjusting means 15 includes a rotation shaft 150, a timing adjustment rack 151, a timing pinion 152, and a stop nut. 153.
- the rotary shaft 150 of the preliminary fuel injection control means 15 configured as described above has a lower end inserted into the main pump casing 10 and the barrel 11, that is, the inside of the separate plunger 13, that is, the separate plunger 13. Sliding is fastened to the rotation shaft insertion hole 101 formed in the lower surface direction from the upper surface of the).
- the timing adjustment rack 151 is installed at the upper end of the rotating shaft 150 to be located outside the main pump casing (10).
- the timing pinion 152 is also geared to the timing adjustment rack 151.
- the stop nut 153 is screwed to the upper end of the rotating shaft 150.
- the main pump fuel regulating means 16 includes a main pump fuel regulating pinion 160 installed at a lower end of an outer circumferential surface of the barrel 11, and a main pump fuel regulating rack connected to the main pump fuel regulating pinion 160. 161.
- the fuel injection valve having a separate plunger further comprises a return prevention valve 18 installed in the main fuel casing 10 and the main fuel discharge port 104, 112 formed in the barrel (11). Can be.
- Figure 6 is an exemplary view showing a graph of the form of pre-injection according to the fuel injection form of the separate plunger according to the present invention.
- the fuel injection pump having a separate plunger according to the present invention, the fuel inlet 17 by the barrel through the main fuel input hole 102 and the main fuel relief plug 110 in sequence 11)
- the fuel flows into the inside, that is, into the plunger fastening hole 111 of the barrel 11, and becomes a standby state.
- the fuel flowing into the plunger fastening hole 111 of the barrel 11 and in the standby state is separated from the main plunger 12 which is slid and moved by a cam shaft (not shown) driven by the engine. It is compressed to high pressure by the plunger 13.
- the main plunger 12 is slid and moved along the plunger fastening hole 111 by a cam shaft (not shown) driven by the engine.
- the detachable plunger 13 is also pushed by the main plunger 12 by the main plunger 12 to slide along the rotary shaft 150 and the plunger fastening hole 111 to ascend.
- the elastic member 14 elastically supporting the separate plunger 13 is compressed by the separate plunger 13, and the main plunger 12 and the separate plunger 13 are slidably moved as described above.
- the fuel flowing into the plunger fastening hole 111 of the barrel 11 through the main fuel input hole 102 and the main fuel relief plug 110 by the fuel inlet 17 is high pressure. To be compressed.
- the main plunger 12 and the separate plunger 13 is further raised along the plunger fastening hole 111 and the rotation shaft 150, so that the preliminary injection fuel passage 132a of the separate plunger 13 is the main.
- the fuel flows into the plunger fastening hole 11 and is compressed at high pressure to the fuel passage 133 of the preliminary injection fuel passage 132a and the separate plunger 13. Preliminarily injected into the combustion chamber through the main fuel outlets 112 and 104 sequentially.
- the timing pinion 152 of the preliminary fuel injection adjusting means 15 is rotated, the preliminary injection fuel passage 132 is opened by the rotation shaft 150 being raised or lowered by the timing adjusting rack 151.
- the injection timing adjustment step 13 and the main plunger 12 of the split plunger 13 are injected.
- the fuel relief plug 110 is blocked by the helical step 120 for timing adjustment, the fuel is gradually compressed to a high pressure as the separate plunger 13 and the main plunger 12 are raised.
- the fuel in the plunger fastening hole 11 is main injected into the combustion chamber through the fuel passage 121 and the main fuel discharge ports 112 and 104 sequentially.
- the detachable plunger 13 and the main plunger 12 are lowered by the elastic force of the elastic member 14 compressed by the detachable plunger 13, as described above.
- the pre-injection fuel passage 132a of the separate plunger 13 is located below the main fuel relief plug 110. Residual oil is post-injected into the combustion chamber through the fuel passage 133 and the main fuel discharge ports 112 and 104 of the 132a and the separate plunger 13 in sequence.
- the fuel injection valve having the separate plunger according to the present invention has a separate plunger 13 which is slidably moved up and down by interlocking with the main plunger 12 in addition to the main plunger 12 by the main plunger 12.
- the fuel can be warmed up by preliminary injection of the fuel through the split plunger 13 before the fuel is compressed and main injection, and at the same time, after the main injection, the residual oil can also be post injected through the split plunger 13.
- fuel economy can be reduced, and emissions can be reduced, thereby improving overall engine performance.
- the fuel injection valve having a separate plunger according to the present invention can not only easily adjust the fuel injection timing from the outside by moving the rotary shaft 150 of the preliminary fuel injection control means 15, but also the preliminary fuel. Since the injection control means 15 is installed on the upper side of the main pump casing, the operation for adjusting the fuel injection timing is very simple and the repair is also very easy.
- the fuel injection valve having a separate plunger has a separate plunger 13 formed with a step 130 for injection timing adjustment, the upper surface of which is formed in a spiral shape by using a preliminary fuel injection control means 15.
- a separate plunger 13 formed with a step 130 for injection timing adjustment, the upper surface of which is formed in a spiral shape by using a preliminary fuel injection control means 15.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims (4)
- 메인 펌프 케이싱 내부에 배럴이 설치되며, 상기 배럴의 내부에 하단부가 배럴의 하부 방향으로 돌출되도록 메인 플런저가 슬라이딩 체결되며, 상기 메인 펌프 케이싱과 배럴에는 서로 연통되도록 메인 연료 토출구가 형성되어, 상기 메인 플런저가 상기 배럴을 따라 상하 슬라이딩 이동되어 메인연료 입력 홀 및 메인 연료 릴리프 플러그를 통해 배럴 내부로 유입된 연료를 압축하여 메인연료 토출구를 통해 연료 분사구로 공급하는 연료분사펌프에 있어서,상기 연료분사펌프는, 상기 메인 플런저와 연동되어 상하 슬라이딩 이동되도록 상기 메인 플런저의 상단에 의해 하단부가 지지되도록 배럴 내부에 슬라이딩 체결되는 외주면에 상부면이 나선형 형태로 형성된 분사 타이밍 조절용 나선형 단턱이 형성되며 분사 타이밍 조절용 나선형 단턱을 포함한 외주면 일측에는 연료 통로가 형성되는 분리형 플런저; 및상기 분리형 플런저에 의해 하단부가 탄성지지되며, 상단부는 배럴의 내부 상면에 의해 지지되도록 배럴의 내부에 삽입되는 탄성부재;를 더 포함하여 구성된 것을 특징으로 하는 분리형 플런저를 가지는 연료분사펌프.
- 제 1 항에 있어서,상기 연료분사펌프는, 상기 메인 펌프 케이싱의 상단부에 설치되며, 하단부는 메인 펌프 케이싱 및 배럴 내부로 삽입되어 상기 분리형 플런저 내부로 삽입되어 슬라이딩 체결되어 상기 분리형 플런저를 회전시켜 연료분사 시기를 조절할 수 있는 예비 연료분사 조절수단을 더 포함하여 구성된 것을 특징으로 하는 분리형 플런저를 가지는 연료 분사펌프.
- 제 2 항에 있어서,상기 예비 연료분사 조절수단은,하단부가 상기 메인 펌프 케이싱 및 배럴 내부로 삽입되어 분리형 플런저 내부로 삽입되어 슬라이딩 체결되는 회전축;상기 메인 펌프 케이싱의 외부에 위치하도록 회전축의 상단부에 설치되는 타이밍 조절 래크;상기 타이밍 조절 래크와 기어 연결되는 타이밍 피니언; 및상기 회전축의 상부 끝단부에 나사 체결되는 스톱 너트;로 구성된 것을 특징으로 하는 분리형 플런저를 가지는 연료분사펌프.
- 제 1 항 내지 제 3 항에 있어서,상기 분리형 플런저는,상기 분사 타이밍 조절용 단턱과 일정 간격 이격되어 분사 타이밍 조절용 단턱의 상부면과의 사이에 예비 분사용 연료 통로가 형성되도록 외주면에 예비 분사용 나선형 돌기가 더 돌출 형성되는 것을 특징으로 하는 분리형 플런저를 가지는 연료분사펌프.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013510010A JP5593441B2 (ja) | 2010-06-09 | 2010-10-27 | 分離型プランジャを有する燃料噴射ポンプ |
DK10852953.8T DK2581598T3 (en) | 2010-06-09 | 2010-10-27 | Fuel injection pump with a separable piston |
EP10852953.8A EP2581598B1 (en) | 2010-06-09 | 2010-10-27 | Fuel injection pump having a separable plunger |
US13/702,096 US9074567B2 (en) | 2010-06-09 | 2010-10-27 | Fuel injection pump having a separable plunger |
CN201090001526.7U CN202914216U (zh) | 2010-06-09 | 2010-10-27 | 具有分离型柱塞的燃料喷射泵 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0054494 | 2010-06-09 | ||
KR1020100054494A KR101139128B1 (ko) | 2010-06-09 | 2010-06-09 | 분리형 플런저를 가지는 연료분사펌프 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011155671A1 true WO2011155671A1 (ko) | 2011-12-15 |
Family
ID=45098255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/007412 WO2011155671A1 (ko) | 2010-06-09 | 2010-10-27 | 분리형 플런저를 가지는 연료분사펌프 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9074567B2 (ko) |
EP (1) | EP2581598B1 (ko) |
JP (1) | JP5593441B2 (ko) |
KR (1) | KR101139128B1 (ko) |
CN (1) | CN202914216U (ko) |
DK (1) | DK2581598T3 (ko) |
WO (1) | WO2011155671A1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101727436B1 (ko) | 2016-10-13 | 2017-04-14 | 변용선 | 내연 기관 인젝터의 플런저 분리 및 조립 기구 |
CN110685842B (zh) * | 2019-11-21 | 2021-05-04 | 中船动力有限公司 | 柴油机的可变喷油正时喷油泵 |
JP7433079B2 (ja) * | 2020-02-21 | 2024-02-19 | 三菱重工エンジン&ターボチャージャ株式会社 | カム、燃料噴射ポンプ及びエンジン |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0117219A2 (en) * | 1983-02-17 | 1984-08-29 | Ail Corporation | Arrangement for adjusting axial positioning of injection barrel in fuel injection pump |
US5020979A (en) * | 1988-10-06 | 1991-06-04 | Lucas Industries Plc | Injection pump having pilot and main injection |
US5482016A (en) * | 1993-09-09 | 1996-01-09 | Zexel Corporation | Pilot injection control system |
US5592915A (en) * | 1994-09-30 | 1997-01-14 | Zexel Corporation | Pilot injection controller in fuel injection system and method of controlling pilot injection quantity |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185144A (en) * | 1937-05-27 | 1939-12-26 | Timken Roller Bearing Co | Fuel injection pump |
US2455571A (en) * | 1944-11-11 | 1948-12-07 | Timken Roller Bearing Co | Fuel injection pump |
DE3330771A1 (de) * | 1983-08-26 | 1985-03-14 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzeinrichtung mit hilfspumpe zur vor- und haupteinspritzung |
JPH0447418Y2 (ko) * | 1985-07-24 | 1992-11-09 | ||
JPS6235057A (ja) * | 1985-08-09 | 1987-02-16 | Hino Motors Ltd | 燃料噴射ポンプ |
DE3731817A1 (de) * | 1987-09-22 | 1989-03-30 | Hatz Motoren | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen |
US4861243A (en) * | 1988-04-08 | 1989-08-29 | Ford Motor Company | Diesel fuel injection pump with variable injection timing |
JPH0243460U (ko) * | 1988-09-19 | 1990-03-26 | ||
JPH0754617Y2 (ja) * | 1989-08-01 | 1995-12-18 | 株式会社小松製作所 | ディーゼルエンジンの燃料噴射装置 |
JP2566474Y2 (ja) * | 1991-01-19 | 1998-03-25 | 株式会社小松製作所 | 燃料噴射装置 |
JPH0777131A (ja) * | 1993-09-10 | 1995-03-20 | Nippondenso Co Ltd | 燃料噴射ポンプ |
US5566660A (en) * | 1995-04-13 | 1996-10-22 | Caterpillar Inc. | Fuel injection rate shaping apparatus for a unit fuel injector |
SE508545C2 (sv) * | 1997-04-08 | 1998-10-12 | Volvo Penta Ab | Förfarande för kalibrering av insprutningstidpunkt |
KR200238054Y1 (ko) * | 1997-12-31 | 2001-11-22 | 이계안 | 인젝션 펌프의 분사시기 조정 플런저 |
-
2010
- 2010-06-09 KR KR1020100054494A patent/KR101139128B1/ko not_active IP Right Cessation
- 2010-10-27 WO PCT/KR2010/007412 patent/WO2011155671A1/ko active Application Filing
- 2010-10-27 CN CN201090001526.7U patent/CN202914216U/zh not_active Expired - Lifetime
- 2010-10-27 DK DK10852953.8T patent/DK2581598T3/en active
- 2010-10-27 EP EP10852953.8A patent/EP2581598B1/en not_active Not-in-force
- 2010-10-27 US US13/702,096 patent/US9074567B2/en active Active
- 2010-10-27 JP JP2013510010A patent/JP5593441B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0117219A2 (en) * | 1983-02-17 | 1984-08-29 | Ail Corporation | Arrangement for adjusting axial positioning of injection barrel in fuel injection pump |
US5020979A (en) * | 1988-10-06 | 1991-06-04 | Lucas Industries Plc | Injection pump having pilot and main injection |
US5482016A (en) * | 1993-09-09 | 1996-01-09 | Zexel Corporation | Pilot injection control system |
US5592915A (en) * | 1994-09-30 | 1997-01-14 | Zexel Corporation | Pilot injection controller in fuel injection system and method of controlling pilot injection quantity |
Also Published As
Publication number | Publication date |
---|---|
CN202914216U (zh) | 2013-05-01 |
JP5593441B2 (ja) | 2014-09-24 |
EP2581598A1 (en) | 2013-04-17 |
DK2581598T3 (en) | 2017-01-16 |
US9074567B2 (en) | 2015-07-07 |
EP2581598B1 (en) | 2016-10-19 |
KR20110134745A (ko) | 2011-12-15 |
EP2581598A4 (en) | 2014-04-30 |
KR101139128B1 (ko) | 2012-04-30 |
US20130074811A1 (en) | 2013-03-28 |
JP2013526670A (ja) | 2013-06-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011155670A1 (ko) | 디젤엔진과 가스엔진용 하이브리드형 노즐을 구비한 이중 연료분사밸브장치 | |
WO2012002620A1 (ko) | 펌핑 기능 노즐을 가진 디젤엔진과 가스엔진용 이중 연료분사밸브 | |
EP1057982A2 (en) | Four-stroke cycle engine | |
WO2011155671A1 (ko) | 분리형 플런저를 가지는 연료분사펌프 | |
SU812189A3 (ru) | Насосное устройство | |
WO2012011650A1 (ko) | 2중 연료분사밸브 | |
WO2010050703A2 (ko) | 디젤엔진 연료분사펌프의 캐비테이션 손상방지장치 | |
WO2012053706A1 (ko) | 가변 압력실을 가지는 연료분사펌프 | |
WO2011111953A1 (ko) | 솔레노이드밸브와 셔틀밸브를 가진 디젤엔진용 2단 연료분사밸브 | |
EP3415745A1 (en) | Engine control device | |
WO2005080781A8 (en) | Recirculation system for motor | |
EP3415744A1 (en) | Engine control device | |
WO2011132864A2 (ko) | 디젤엔진의 다중 연료분사장치 | |
CN108779719B (zh) | 多气缸发动机的控制装置 | |
CN204677343U (zh) | 双作用压电式常闭电控单体泵 | |
CN207454152U (zh) | 喷油泵及柴油机 | |
WO2011145800A1 (ko) | 솔레노이드와 시트형 스풀을 이용한 전자식 연료분사밸브 | |
JP6323799B2 (ja) | 多気筒エンジンの制御装置 | |
WO2018074817A1 (ko) | 선박용 엔진 | |
EP3412897A1 (en) | Engine control device | |
CN104169565B (zh) | 液压驱动燃料喷射装置及内燃机 | |
CN204610108U (zh) | 一种电控式ve分配泵外壳 | |
KR20120126324A (ko) | 대형 2행정 내연기관의 캠샤프트 조립방법 | |
KR101178630B1 (ko) | 캠구동용 가변압력부를 구비한 연료분사펌프 | |
KR20160075882A (ko) | 일체형 다중분배 플런저를 구비한 연료분사장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201090001526.7 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10852953 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2013510010 Country of ref document: JP Kind code of ref document: A |
|
REEP | Request for entry into the european phase |
Ref document number: 2010852953 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010852953 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13702096 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |