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DE50304682D1 - Druckverstärker mit hubabhängiger bedämpfung - Google Patents

Druckverstärker mit hubabhängiger bedämpfung

Info

Publication number
DE50304682D1
DE50304682D1 DE50304682T DE50304682T DE50304682D1 DE 50304682 D1 DE50304682 D1 DE 50304682D1 DE 50304682 T DE50304682 T DE 50304682T DE 50304682 T DE50304682 T DE 50304682T DE 50304682 D1 DE50304682 D1 DE 50304682D1
Authority
DE
Germany
Prior art keywords
pressure amplifier
dependent damping
hub dependent
hub
damping
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
DE50304682T
Other languages
English (en)
Inventor
Christian Grimmiger
Andreas Kellner
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 DE50304682T priority Critical patent/DE50304682D1/de
Application granted granted Critical
Publication of DE50304682D1 publication Critical patent/DE50304682D1/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
    • 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
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • F02M57/026—Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits
    • 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
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic 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
    • 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
    • F02M59/105—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 hydraulic drive
    • 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
    • F02M59/468—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means using piezoelectric operating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE50304682T 2002-11-07 2003-07-10 Druckverstärker mit hubabhängiger bedämpfung Expired - Lifetime DE50304682D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50304682T DE50304682D1 (de) 2002-11-07 2003-07-10 Druckverstärker mit hubabhängiger bedämpfung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10251679A DE10251679A1 (de) 2002-11-07 2002-11-07 Druckverstärker mit hubabhängiger Bedämpfung
PCT/DE2003/002312 WO2004042223A1 (de) 2002-11-07 2003-07-10 Druckverstärker mit hubabhängiger bedämpfung
DE50304682T DE50304682D1 (de) 2002-11-07 2003-07-10 Druckverstärker mit hubabhängiger bedämpfung

Publications (1)

Publication Number Publication Date
DE50304682D1 true DE50304682D1 (de) 2006-09-28

Family

ID=32115300

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10251679A Ceased DE10251679A1 (de) 2002-11-07 2002-11-07 Druckverstärker mit hubabhängiger Bedämpfung
DE50304682T Expired - Lifetime DE50304682D1 (de) 2002-11-07 2003-07-10 Druckverstärker mit hubabhängiger bedämpfung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10251679A Ceased DE10251679A1 (de) 2002-11-07 2002-11-07 Druckverstärker mit hubabhängiger Bedämpfung

Country Status (5)

Country Link
US (1) US20060048751A1 (de)
EP (1) EP1563183B1 (de)
JP (1) JP2006505733A (de)
DE (2) DE10251679A1 (de)
WO (1) WO2004042223A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005007543A1 (de) * 2005-02-18 2006-08-24 Robert Bosch Gmbh Kraftstoffinjektor mit direkter Nadelsteuerung für eine Brennkraftmaschine
DE102006038840A1 (de) * 2006-08-18 2008-02-21 Robert Bosch Gmbh Kraftstoffinjektor mit Kolbenrückholung eines Druckübersetzerkolbens
FI122557B (fi) * 2009-04-02 2012-03-30 Waertsilae Finland Oy Mäntämoottorin polttoaineenruiskutusjärjestely

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61261653A (ja) * 1985-05-16 1986-11-19 Nippon Soken Inc 燃料供給装置
US4948049A (en) * 1989-02-24 1990-08-14 Ail Corporation Rate control in accumulator type fuel injectors
AU1255292A (en) * 1991-10-11 1993-05-03 Caterpillar Inc. Damped actuator and valve assembly for an electronically-controlled unit injector
US5894992A (en) * 1995-03-31 1999-04-20 Cummins Engine Company, Inc. Hydraulically actuated fuel injector with injection rate shaping pressure intensifier
JP3783266B2 (ja) * 1996-02-09 2006-06-07 いすゞ自動車株式会社 内燃機関の燃料噴射装置
DE19848904A1 (de) * 1998-10-23 2000-04-27 Hydraulik Ring Gmbh Druckstufe zur Regulierung einer Voreinspritzmenge von Kraftstoff in Verbrennungsmotoren, vorzugsweise in Dieselmotoren
DE19910970A1 (de) * 1999-03-12 2000-09-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
JP3555588B2 (ja) * 2001-03-23 2004-08-18 トヨタ自動車株式会社 コモンレール式燃料噴射装置
DE10218635A1 (de) * 2001-05-17 2002-11-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10123911A1 (de) * 2001-05-17 2002-11-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckübersetzungseinrichtung und Druckübersetzungseinrichtung
WO2002092997A1 (de) * 2001-05-17 2002-11-21 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung

Also Published As

Publication number Publication date
DE10251679A1 (de) 2004-05-19
US20060048751A1 (en) 2006-03-09
EP1563183B1 (de) 2006-08-16
WO2004042223A1 (de) 2004-05-21
EP1563183A1 (de) 2005-08-17
JP2006505733A (ja) 2006-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition