EP0462116A1 - Speicherkraftstoffeinspritzvorrichtung. - Google Patents
Speicherkraftstoffeinspritzvorrichtung.Info
- Publication number
- EP0462116A1 EP0462116A1 EP19900902999 EP90902999A EP0462116A1 EP 0462116 A1 EP0462116 A1 EP 0462116A1 EP 19900902999 EP19900902999 EP 19900902999 EP 90902999 A EP90902999 A EP 90902999A EP 0462116 A1 EP0462116 A1 EP 0462116A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- storage
- injection
- fuel
- injection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
-
- 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
-
- 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0008—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using mechanically actuated valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
Definitions
- the charge pump 1 delivers via check valves 3 and 4 into a reservoir 21 in which two reservoir pistons 22 and 23 are acted upon by a common compression spring 24.
- Both storage pistons for the two separate pressure reservoirs for the pre-injection and main injection are thus arranged coaxially to one another in a common housing, the storage piston 22 delimiting the storage space for the pre-injection and being connected to the pressure line 14 during the Storage piston 23 the storage space limited for the main injection and is connected to the pressure line 15.
- the storage piston 22 can in turn be moved against a stop 25, while the storage piston 23 interacts with an overflow opening 26 which, when the maximum storage volume is exceeded, releases an outflow cross section into the tank 2.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3907766 | 1989-03-10 | ||
DE3907766A DE3907766A1 (de) | 1989-03-10 | 1989-03-10 | Speicherkraftstoffeinspritzvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0462116A1 true EP0462116A1 (de) | 1991-12-27 |
EP0462116B1 EP0462116B1 (de) | 1992-09-02 |
Family
ID=6376004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90902999A Expired - Lifetime EP0462116B1 (de) | 1989-03-10 | 1990-02-17 | Speicherkraftstoffeinspritzvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5146894A (de) |
EP (1) | EP0462116B1 (de) |
JP (1) | JPH04503986A (de) |
DE (2) | DE3907766A1 (de) |
WO (1) | WO1990010789A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9422864D0 (en) * | 1994-11-12 | 1995-01-04 | Lucas Ind Plc | Fuel system |
DE19640826B4 (de) * | 1995-10-03 | 2004-11-25 | Nippon Soken, Inc., Nishio | Speicherkraftstoffeinspritzvorrichtung und Druckregelvorrichtung hierfür |
JPH11247742A (ja) * | 1998-03-02 | 1999-09-14 | Zexel:Kk | プランジャポンプ |
US6092509A (en) * | 1998-11-19 | 2000-07-25 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Accumulator type fuel injection system |
DE19910971A1 (de) * | 1999-03-12 | 2000-09-21 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem für eine Brennkraftmaschine, mit einer Hochdruckpumpe und zwei Druckspeichern |
DE19910976B4 (de) * | 1999-03-12 | 2004-08-05 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem für eine Brennkraftmaschine, mit mehrstufiger Hochdruckpumpe und zwei Druckspeichern |
DE19939426A1 (de) * | 1999-08-20 | 2001-03-01 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem für eine Brennkraftmaschine |
JP3987298B2 (ja) * | 2001-04-05 | 2007-10-03 | 三菱ふそうトラック・バス株式会社 | 蓄圧式燃料噴射装置 |
DE60325911D1 (de) * | 2002-07-01 | 2009-03-05 | Mitsubishi Heavy Ind Ltd | Kraftstoffeinspritzventil und Dieselmotor damit |
US11035331B2 (en) * | 2018-01-31 | 2021-06-15 | Jonathan Tom Tavernier | Internal combustion engine with tubular fuel injection |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1283597B (de) * | 1965-03-17 | 1968-11-21 | Daimler Benz Ag | Vorrichtung zur Steuerung der Voreinspritzung |
DE1751128C3 (de) * | 1968-04-08 | 1974-04-25 | Teldix Gmbh, 6900 Heidelberg | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE1801156A1 (de) * | 1968-10-04 | 1970-04-16 | Teldix Luftfahrt Ausruestung | Kraftstoff-Einspritzvorrichtung mit einer durch eine bewegliche Wand abgeteilten Doppelkammer |
GB1403363A (en) * | 1971-10-30 | 1975-08-28 | Cav Ltd | Fuel injection systems |
US4167168A (en) * | 1976-02-05 | 1979-09-11 | Nippondenso Co., Ltd. | Fuel injection apparatus |
DE2834633C2 (de) * | 1978-08-08 | 1987-05-14 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur Steuerung der Kraftstoffvoreinspritzung durch Zwischenentlastung bei einer Kraftstoffeinspritzanlage für eine Brennkraftmaschine |
WO1981001173A1 (en) * | 1979-10-22 | 1981-04-30 | Caterpillar Tractor Co | Dual fuel rotary controlled pilot and main injection |
JPS57212362A (en) * | 1981-06-23 | 1982-12-27 | Diesel Kiki Co Ltd | Pressure accumulating type fuel injection system |
US4481921A (en) * | 1982-05-26 | 1984-11-13 | Nippondenso Co., Ltd. | Fuel injection apparatus of internal combustion engine |
DE3245142A1 (de) * | 1982-12-07 | 1984-06-07 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zum einspritzen von kraftstoff |
DE3330774A1 (de) * | 1983-08-26 | 1985-03-14 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzeinrichtung mit vor- und haupteinspritzung bei brennkraftmaschinen |
DE3425460A1 (de) * | 1983-08-26 | 1985-03-07 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzeinrichtung zur definierten vor- und haupteinspritzung bei brennkraftmaschinen |
US4951626A (en) * | 1988-02-10 | 1990-08-28 | Robert Bosch Gmbh | Electrically controlled fuel injection pump |
DE3844367A1 (de) * | 1988-12-30 | 1990-07-05 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen |
-
1989
- 1989-03-10 DE DE3907766A patent/DE3907766A1/de not_active Withdrawn
-
1990
- 1990-02-17 DE DE9090902999T patent/DE59000289D1/de not_active Expired - Lifetime
- 1990-02-17 EP EP90902999A patent/EP0462116B1/de not_active Expired - Lifetime
- 1990-02-17 WO PCT/DE1990/000108 patent/WO1990010789A1/de active IP Right Grant
- 1990-02-17 JP JP2503165A patent/JPH04503986A/ja active Pending
- 1990-02-17 US US07/752,534 patent/US5146894A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9010789A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1990010789A1 (de) | 1990-09-20 |
DE3907766A1 (de) | 1990-09-13 |
US5146894A (en) | 1992-09-15 |
DE59000289D1 (de) | 1992-10-08 |
EP0462116B1 (de) | 1992-09-02 |
JPH04503986A (ja) | 1992-07-16 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 19910828 |
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AK | Designated contracting states |
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RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ROBERT BOSCH GMBH |
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17Q | First examination report despatched |
Effective date: 19920213 |
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GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
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STAA | Information on the status of an ep patent application or granted ep patent |
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