DE60238954D1 - Brennstoffeinspritzventil mit einem frei beweglichen Kolben - Google Patents
Brennstoffeinspritzventil mit einem frei beweglichen KolbenInfo
- Publication number
- DE60238954D1 DE60238954D1 DE60238954T DE60238954T DE60238954D1 DE 60238954 D1 DE60238954 D1 DE 60238954D1 DE 60238954 T DE60238954 T DE 60238954T DE 60238954 T DE60238954 T DE 60238954T DE 60238954 D1 DE60238954 D1 DE 60238954D1
- Authority
- DE
- Germany
- Prior art keywords
- fuel injection
- injection valve
- freely movable
- movable piston
- piston
- 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.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 title 1
- 238000002347 injection Methods 0.000 title 1
- 239000007924 injection Substances 0.000 title 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/001—Pumps with means for preventing erosion on fuel discharge
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
- F02M57/024—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical with hydraulic link for varying the piston stroke
-
- 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
- F02M59/32—Varying fuel delivery in quantity or timing fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/828,253 US6688536B2 (en) | 1997-10-22 | 2001-04-06 | Free floating plunger and fuel injector using same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60238954D1 true DE60238954D1 (de) | 2011-02-24 |
Family
ID=25251281
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60213149T Expired - Lifetime DE60213149T2 (de) | 2001-04-06 | 2002-01-28 | Brennstoffeinspritzventil mit einem frei beweglichen Kolben |
DE60238954T Expired - Lifetime DE60238954D1 (de) | 2001-04-06 | 2002-01-28 | Brennstoffeinspritzventil mit einem frei beweglichen Kolben |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60213149T Expired - Lifetime DE60213149T2 (de) | 2001-04-06 | 2002-01-28 | Brennstoffeinspritzventil mit einem frei beweglichen Kolben |
Country Status (3)
Country | Link |
---|---|
US (1) | US6688536B2 (de) |
EP (2) | EP1715176B1 (de) |
DE (2) | DE60213149T2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7584747B1 (en) | 2008-03-26 | 2009-09-08 | Caterpillar Inc. | Cam assisted common rail fuel system and engine using same |
US7610888B2 (en) * | 2008-04-08 | 2009-11-03 | Caterpillar Inc. | Non-guided tappet and fuel injector using same |
US8443780B2 (en) | 2010-06-01 | 2013-05-21 | Caterpillar Inc. | Low leakage cam assisted common rail fuel system, fuel injector, and operating method therefor |
US20160281666A1 (en) * | 2015-03-26 | 2016-09-29 | Caterpillar Inc. | Cryogenic pump having vented plunger |
US11428196B1 (en) * | 2021-11-30 | 2022-08-30 | Caterpillar Inc. | Fuel system and control strategy limiting component separation in pushrod actuation train |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964027A (en) | 1958-03-19 | 1960-12-13 | Johnson Products Inc | Valve for metering lubricating oil from a hydraulic tappet to a hollow push rod |
US3982693A (en) | 1976-01-16 | 1976-09-28 | General Motors Corporation | Orifice plunger valve fuel injector |
DE2807720A1 (de) | 1978-02-23 | 1979-08-30 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen, insbesondere fuer dieselmotoren |
DE3224769A1 (de) | 1981-11-19 | 1983-05-26 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen, insbesondere pumpeduese fuer dieselbrennkraftmaschinen |
US4402456A (en) | 1982-04-02 | 1983-09-06 | The Bendix Corporation | Double dump single solenoid unit injector |
US4467963A (en) * | 1982-04-02 | 1984-08-28 | The Bendix Corporation | Single dump single solenoid fuel injector |
US4531672A (en) | 1983-05-13 | 1985-07-30 | Cummins Engine Company, Inc. | Solenoid operated unit injector having distinct timing, metering and injection periods |
US4494696A (en) * | 1983-06-24 | 1985-01-22 | The Bendix Corporation | Unit injector |
US4505243A (en) | 1983-07-04 | 1985-03-19 | Nissan Motor Company, Limited | Electromagnetic injection control valve in unit fuel injector |
US4538576A (en) * | 1983-07-21 | 1985-09-03 | Allied Corporation | Diesel fuel injector with double dump configuration |
US4482094A (en) | 1983-09-06 | 1984-11-13 | General Motors Corporation | Electromagnetic unit fuel injector |
JPH07117012B2 (ja) * | 1986-09-05 | 1995-12-18 | トヨタ自動車株式会社 | ユニツトインジエクタ |
JP2600873B2 (ja) | 1988-12-20 | 1997-04-16 | 株式会社デンソー | 電磁弁 |
US5082180A (en) | 1988-12-28 | 1992-01-21 | Diesel Kiki Co., Ltd. | Electromagnetic valve and unit fuel injector with electromagnetic valve |
US5011079A (en) * | 1989-02-27 | 1991-04-30 | Cummins Engine Company, Inc. | Unit injector and drive train with improved push rod-plunger connection |
DE3943419A1 (de) | 1989-12-30 | 1991-07-04 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen, insbesondere pumpeduese |
US5067464A (en) | 1990-03-29 | 1991-11-26 | Cummins Engine Company, Inc. | Fuel injector for an internal combustion engine |
US5094215A (en) * | 1990-10-03 | 1992-03-10 | Cummins Engine Company, Inc. | Solenoid controlled variable pressure injector |
DE4237682A1 (de) * | 1992-11-07 | 1994-05-11 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung, insbesondere Rumpedüse für Brennkraftmaschinen |
US5409165A (en) | 1993-03-19 | 1995-04-25 | Cummins Engine Company, Inc. | Wear resistant fuel injector plunger assembly |
EP0805270A3 (de) | 1993-04-09 | 1998-02-11 | Zexel Corporation | Brennstoffeinspritzsystem |
US5441027A (en) | 1993-05-24 | 1995-08-15 | Cummins Engine Company, Inc. | Individual timing and injection fuel metering system |
US6149073A (en) * | 1994-05-18 | 2000-11-21 | Cummins Engine Company, Inc. | Ceramic plunger for internal combustion engine high pressure fuel system |
US5899383A (en) * | 1994-05-18 | 1999-05-04 | Cummins Engine Company, Inc. | Ceramic fuel injector timing plunger |
DE69513880T2 (de) | 1994-05-18 | 2000-04-20 | Cummins Engine Co., Inc. | Kraftstoffdruckerzeugende Kolbenanordnung für eine druckgezündete Brennkraftmaschine |
DE4427943A1 (de) | 1994-08-06 | 1996-02-08 | Schaeffler Waelzlager Kg | Hydraulisches Spielausgleichselement für die Ventilsteuerung von Brennkraftmaschinen |
US5533672A (en) * | 1994-09-06 | 1996-07-09 | Cummins Engine Company, Inc. | Dual event nozzle for low opening and high closing pressure injector |
US5636615A (en) * | 1995-02-21 | 1997-06-10 | Diesel Technology Company | Fuel pumping and injection systems |
US5860398A (en) | 1997-10-28 | 1999-01-19 | Koerner; Jeffrey Scott | Engine tappet |
US6029902A (en) | 1998-03-26 | 2000-02-29 | Cummins Engine Company, Inc. | Fuel injector with isolated spring chamber |
-
2001
- 2001-04-06 US US09/828,253 patent/US6688536B2/en not_active Expired - Lifetime
-
2002
- 2002-01-28 DE DE60213149T patent/DE60213149T2/de not_active Expired - Lifetime
- 2002-01-28 EP EP06007288A patent/EP1715176B1/de not_active Expired - Lifetime
- 2002-01-28 EP EP02001871A patent/EP1247975B1/de not_active Expired - Lifetime
- 2002-01-28 DE DE60238954T patent/DE60238954D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60213149T2 (de) | 2007-07-12 |
EP1247975A1 (de) | 2002-10-09 |
EP1715176A1 (de) | 2006-10-25 |
US6688536B2 (en) | 2004-02-10 |
DE60213149D1 (de) | 2006-08-31 |
US20010015383A1 (en) | 2001-08-23 |
EP1715176B1 (de) | 2011-01-12 |
EP1247975B1 (de) | 2006-07-19 |
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