DE50202972D1 - Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen - Google Patents

Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen

Info

Publication number
DE50202972D1
DE50202972D1 DE50202972T DE50202972T DE50202972D1 DE 50202972 D1 DE50202972 D1 DE 50202972D1 DE 50202972 T DE50202972 T DE 50202972T DE 50202972 T DE50202972 T DE 50202972T DE 50202972 D1 DE50202972 D1 DE 50202972D1
Authority
DE
Germany
Prior art keywords
cascaded
injector
inwardly opening
opening valves
valves
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
DE50202972T
Other languages
English (en)
Inventor
Nestor Rodriguez-Amaya
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE50202972T priority Critical patent/DE50202972D1/de
Application granted granted Critical
Publication of DE50202972D1 publication Critical patent/DE50202972D1/de
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
    • 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
    • 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
    • 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
    • F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable pressure
    • 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
    • F02M59/44—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
DE50202972T 2001-07-16 2002-06-28 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen Expired - Lifetime DE50202972D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50202972T DE50202972D1 (de) 2001-07-16 2002-06-28 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10134529A DE10134529C2 (de) 2001-07-16 2001-07-16 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen
DE50202972T DE50202972D1 (de) 2001-07-16 2002-06-28 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen

Publications (1)

Publication Number Publication Date
DE50202972D1 true DE50202972D1 (de) 2005-06-09

Family

ID=7691954

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10134529A Expired - Fee Related DE10134529C2 (de) 2001-07-16 2001-07-16 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen
DE50202972T Expired - Lifetime DE50202972D1 (de) 2001-07-16 2002-06-28 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10134529A Expired - Fee Related DE10134529C2 (de) 2001-07-16 2001-07-16 Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen

Country Status (3)

Country Link
US (1) US6908044B2 (de)
EP (1) EP1277952B1 (de)
DE (2) DE10134529C2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202053A1 (en) * 2005-03-09 2006-09-14 Gibson Dennis H Control valve assembly and fuel injector using same
US7737155B2 (en) * 2005-05-17 2010-06-15 Schering Corporation Nitrogen-containing heterocyclic compounds and methods of use thereof
DE102006039266B4 (de) * 2006-08-22 2015-11-26 Volkswagen Ag 4/2-Wegeventil
DE102007009167A1 (de) * 2007-02-26 2008-08-28 Robert Bosch Gmbh Mehrwegeventil
DE102010039048A1 (de) * 2010-08-09 2012-02-09 Robert Bosch Gmbh Einspritzvorrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071197A (en) * 1976-02-19 1978-01-31 Caterpillar Tractor Co. Fuel injector with self-centering valve
US4527737A (en) * 1983-09-09 1985-07-09 General Motors Corporation Electromagnetic unit fuel injector with differential valve
US5241935A (en) * 1988-02-03 1993-09-07 Servojet Electronic Systems, Ltd. Accumulator fuel injection system
US4986472A (en) * 1989-09-05 1991-01-22 Cummins Engine Company, Inc. High pressure unit fuel injector with timing chamber pressure control
US5121730A (en) * 1991-10-11 1992-06-16 Caterpillar Inc. Methods of conditioning fluid in an electronically-controlled unit injector for starting
DE4434892A1 (de) * 1994-09-29 1996-04-11 Siemens Ag Einspritzventil
US5893516A (en) * 1996-08-06 1999-04-13 Lucas Industries Plc Injector
DE19956598A1 (de) * 1999-11-25 2001-06-13 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE10062896B4 (de) * 2000-12-16 2009-12-17 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine

Also Published As

Publication number Publication date
EP1277952A2 (de) 2003-01-22
US20030019956A1 (en) 2003-01-30
EP1277952A3 (de) 2004-01-28
EP1277952B1 (de) 2005-05-04
DE10134529A1 (de) 2003-02-13
DE10134529C2 (de) 2003-07-03
US6908044B2 (en) 2005-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition