ES2172746T3 - Inyector/bomba de combustible. - Google Patents

Inyector/bomba de combustible.

Info

Publication number
ES2172746T3
ES2172746T3 ES97300124T ES97300124T ES2172746T3 ES 2172746 T3 ES2172746 T3 ES 2172746T3 ES 97300124 T ES97300124 T ES 97300124T ES 97300124 T ES97300124 T ES 97300124T ES 2172746 T3 ES2172746 T3 ES 2172746T3
Authority
ES
Spain
Prior art keywords
fuel
pump
chamber
valve
flow
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
Application number
ES97300124T
Other languages
English (en)
Inventor
Paul Buckley
Michael Peter Cooke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Delphi Technologies Inc filed Critical Delphi Technologies Inc
Application granted granted Critical
Publication of ES2172746T3 publication Critical patent/ES2172746T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • 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
    • 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
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • 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
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

UN DISPOSITIVO DE INYECTOR Y BOMBA DE COMBUSTIBLE COMPRENDE UNA BOMBA DE COMBUSTIBLE (10. 11. 12) QUE INCLUYE UNA CAMARA DE LA BOMBA, UN TUBO DE COMBUSTIBLE (34, 36) EN COMUNICACION CON LA CAMARA DE LA BOMBA, Y UN INYECTOR (99) QUE INCLUYE UNA AGUJA DE LA VALVULA ACCIONADA POR LA PRESION DEL COMBUSTIBLE (21) LA CUAL ES DESVIADA PARA UNIRSE CON UN ASIENTO PARA CONTROLAR EL FLUJO DE COMBUSTIBLE ENTRE EL TUBO DE COMBUSTIBLE (34, 36) Y UN ORIFICIO DE SALIDA (20). LA AGUJA DE LA VALVULA (21) TIENE UNA SUPERFICIE ASOCIADA CON LA MISMA COLOCADA DENTRO DE UNA CAMARA DE CONTROL (24, 85), UNA VALVULA (32, 92) QUE ESTA COLOCADA DENTRO DEL INYECTOR (99) Y SE PUEDE ACCIONAR PARA PERMITIR EL FLUJO DE COMBUSTIBLE ENTRE EL TUBO DE COMBUSTIBLE (34, 36) Y LA CAMARA DE CONTROL (24, 85), UNA RUTA DE COMBUSTIBLE LIMITADA (39) POR LA QUE EL COMBUSTIBLE ES CAPAZ DE FLUIR DESDE LA CAMARA DE CONTROL HASTA LA CAMARA DE SUMINISTRO (45) A UNA VELOCIDAD LIMITADA, Y UNA VALVULA DE DESVIACION (30, 98) QUE SE PUEDE ACCIONAR PARA PERMITIR QUE EL COMBUSTIBLE FLUYA DESDE LA CAMARA DE SUMINISTRO (45) HASTA LA VALVULA (32, 92), POR LO QUE SE DESVIA LA RUTA DE CORRIENTE LIMITADA.
ES97300124T 1996-01-13 1997-01-10 Inyector/bomba de combustible. Expired - Lifetime ES2172746T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9600771.1A GB9600771D0 (en) 1996-01-13 1996-01-13 Fuel pump

Publications (1)

Publication Number Publication Date
ES2172746T3 true ES2172746T3 (es) 2002-10-01

Family

ID=10787063

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97300124T Expired - Lifetime ES2172746T3 (es) 1996-01-13 1997-01-10 Inyector/bomba de combustible.

Country Status (5)

Country Link
US (1) US5865373A (es)
EP (1) EP0784155B1 (es)
DE (1) DE69711470T2 (es)
ES (1) ES2172746T3 (es)
GB (1) GB9600771D0 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648283A1 (de) * 1996-11-21 1998-05-28 Thera Ges Fuer Patente Polymerisierbare Massen auf der Basis von Epoxiden
US5878965A (en) * 1997-08-28 1999-03-09 Caterpillar Inc. Internally wetted cartridge control valve for a fuel injector
US5975437A (en) * 1997-11-03 1999-11-02 Caterpillar, Inc. Fuel injector solenoid utilizing an apertured armature
DE19748999C2 (de) * 1997-11-06 2002-11-07 Daimler Chrysler Ag Magnetventilgesteuerter Injektor für ein Speichersystem einer mehrzylindrigen Brennkraftmaschine
US6021963A (en) * 1997-12-23 2000-02-08 Caterpillar Inc. Cartridge control valve with top mounted solenoid and flat valve seat for a fuel injector
DE10017657A1 (de) * 2000-04-08 2001-10-11 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US7240856B2 (en) * 2003-10-24 2007-07-10 Keihin Corporation Fuel injection control device
US7134616B2 (en) * 2004-01-12 2006-11-14 Caterpillar Inc Fuel injector with auxiliary valve
DE102004057151B4 (de) * 2004-11-26 2009-04-16 Continental Automotive Gmbh Einspritzventil mit einem Druckhalteventil zur Fluiddruckbeaufschlagung eines Federraums
US7303177B2 (en) * 2004-12-13 2007-12-04 Delphi Technologies, Inc. Actuator arrangement and fuel injector incorporating an actuator arrangement
US10975815B2 (en) * 2018-05-21 2021-04-13 Caterpillar Inc. Fuel injector and fuel system with valve train noise suppressor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115304A (en) * 1961-10-11 1963-12-24 Gen Motors Corp Fuel injector pump with hydraulically controlled injection valve
US3075707A (en) * 1961-10-12 1963-01-29 Gen Motors Corp Fuel injector pump with hydraulically controlled injection valve
GB1342357A (en) * 1970-06-24 1974-01-03 Cav Ltd Fuel injection systems
US4392612A (en) * 1982-02-19 1983-07-12 General Motors Corporation Electromagnetic unit fuel injector
US4503825A (en) * 1982-04-02 1985-03-12 Bendix Corporation Diesel fuel system
US4402456A (en) * 1982-04-02 1983-09-06 The Bendix Corporation Double dump single solenoid unit injector
US5082180A (en) * 1988-12-28 1992-01-21 Diesel Kiki Co., Ltd. Electromagnetic valve and unit fuel injector with electromagnetic valve
DE3844431A1 (de) * 1988-12-31 1990-07-05 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen
JP3197385B2 (ja) * 1993-03-24 2001-08-13 株式会社日本自動車部品総合研究所 燃料噴射弁
DE4341545A1 (de) * 1993-12-07 1995-06-08 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
US5423484A (en) * 1994-03-17 1995-06-13 Caterpillar Inc. Injection rate shaping control ported barrel for a fuel injection system
US5429309A (en) * 1994-05-06 1995-07-04 Caterpillar Inc. Fuel injector having trapped fluid volume means for assisting check valve closure
US5443209A (en) * 1994-08-02 1995-08-22 Diesel Technology Company High pressure diesel fuel injector for internal combustion engines
US5533672A (en) * 1994-09-06 1996-07-09 Cummins Engine Company, Inc. Dual event nozzle for low opening and high closing pressure injector

Also Published As

Publication number Publication date
GB9600771D0 (en) 1996-03-20
EP0784155A1 (en) 1997-07-16
DE69711470D1 (de) 2002-05-08
US5865373A (en) 1999-02-02
DE69711470T2 (de) 2002-11-21
EP0784155B1 (en) 2002-04-03

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