ES2100615T3 - Dispositivo de inyeccion preparado para la inyeccion previa y la inyeccion principal de combustible. - Google Patents

Dispositivo de inyeccion preparado para la inyeccion previa y la inyeccion principal de combustible.

Info

Publication number
ES2100615T3
ES2100615T3 ES94117904T ES94117904T ES2100615T3 ES 2100615 T3 ES2100615 T3 ES 2100615T3 ES 94117904 T ES94117904 T ES 94117904T ES 94117904 T ES94117904 T ES 94117904T ES 2100615 T3 ES2100615 T3 ES 2100615T3
Authority
ES
Spain
Prior art keywords
injection
previous
pressure
previous injection
main fuel
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
ES94117904T
Other languages
English (en)
Inventor
Erwin Ditschun
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Application granted granted Critical
Publication of ES2100615T3 publication Critical patent/ES2100615T3/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
    • 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
    • F02M45/04—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 with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/06—Pumps peculiar thereto
    • 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
    • F02M45/04—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 with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • 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

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

UN DISPOSITIVO DE INYECCION QUE TRABAJA CON INYECCION PREVIA E INYECCION PRINCIPAL CONTIENE PARA LA INYECCION PREVIA UNA CAMARA (15) DE PRESION FAMILIARIZADA EN UN EMBOLO (8) HUECO. PARA LA INDUCCION DE LA INYECCION PREVIA SE DESPLAZA EL EMBOLO (8) AXIALMENTE PARA SUPERAR UN ESPACIO (A) Y CON ELLO SE DISPONE DEL EFECTO DE UN TOPE, CON LO CUAL UN EMBOLO (13) DE INMERSION REDUCE EL VOLUMEN DE LA CAMARA (15) DE PRESION PARA LA ELEVACION DE LA PRESION DEL COMBUSTIBLE SOBRE LA PRESION DE INYECCION PREVIA. EL PROCESO DE INYECCION PREVIA SE TERMINA CUANDO SE SUPERA EL ESPACIO (A) Y EL EFECTO DE UN TOPE, EVITANDOSE UNA REDUCCION DE PRESION A TRAVES DE UNA VIA DE CORRIENTE LARGA.
ES94117904T 1993-12-02 1994-11-12 Dispositivo de inyeccion preparado para la inyeccion previa y la inyeccion principal de combustible. Expired - Lifetime ES2100615T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4341089 1993-12-02

Publications (1)

Publication Number Publication Date
ES2100615T3 true ES2100615T3 (es) 1997-06-16

Family

ID=6504011

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94117904T Expired - Lifetime ES2100615T3 (es) 1993-12-02 1994-11-12 Dispositivo de inyeccion preparado para la inyeccion previa y la inyeccion principal de combustible.

Country Status (3)

Country Link
EP (1) EP0656472B1 (es)
DE (2) DE4405309C1 (es)
ES (1) ES2100615T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9507115D0 (en) * 1995-04-06 1995-05-31 Lucas Ind Plc Fuel pumping apparatus
DE19755591A1 (de) * 1997-12-15 1999-06-17 Volkswagen Ag Zur Vor- und Haupteinspritzung von Kraftstoff eingerichtete Kraftstoffeinspritzvorrichtung
US6227175B1 (en) * 1999-12-27 2001-05-08 Detroit Diesel Corporation Fuel injector assembly having a combined initial injection and a peak injection pressure regulator
DE10022421A1 (de) * 2000-05-09 2001-11-15 Bosch Gmbh Robert Voreinspritzventil für die Steuerung des Kraftstoffzuflusses eines Kraftstoffeinspritzventils

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334619C2 (de) * 1983-09-24 1995-01-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE3610360A1 (de) * 1986-03-27 1987-10-01 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen
DE3629754C2 (de) * 1986-09-01 1994-07-14 Bosch Gmbh Robert Vorrichtung zur Erzeugung von Voreinspritzungen bei Pumpedüsen
DE3629751C2 (de) * 1986-09-01 1998-07-02 Bosch Gmbh Robert Voreinspritzvorrichtung für Brennkraftmaschinen
DE3731240C2 (de) * 1987-09-17 1995-04-06 Volkswagen Ag Einspritzvorrichtung

Also Published As

Publication number Publication date
DE4405309C1 (de) 1995-04-20
EP0656472B1 (de) 1997-04-16
DE59402437D1 (de) 1997-05-22
EP0656472A1 (de) 1995-06-07

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