DE69814548T2 - Hochdruckkolbenpumpe für Kraftstoffeinspritzung mit Pulsationsdämpfer - Google Patents

Hochdruckkolbenpumpe für Kraftstoffeinspritzung mit Pulsationsdämpfer

Info

Publication number
DE69814548T2
DE69814548T2 DE69814548T DE69814548T DE69814548T2 DE 69814548 T2 DE69814548 T2 DE 69814548T2 DE 69814548 T DE69814548 T DE 69814548T DE 69814548 T DE69814548 T DE 69814548T DE 69814548 T2 DE69814548 T2 DE 69814548T2
Authority
DE
Germany
Prior art keywords
high pressure
fuel injection
piston pump
pressure piston
pulsation damper
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 - Fee Related
Application number
DE69814548T
Other languages
English (en)
Other versions
DE69814548D1 (de
Inventor
Shuzo Isozumi
Wakaki Miyaji
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69814548D1 publication Critical patent/DE69814548D1/de
Publication of DE69814548T2 publication Critical patent/DE69814548T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02M59/44—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
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
DE69814548T 1997-09-25 1998-09-23 Hochdruckkolbenpumpe für Kraftstoffeinspritzung mit Pulsationsdämpfer Expired - Fee Related DE69814548T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26041797 1997-09-25

Publications (2)

Publication Number Publication Date
DE69814548D1 DE69814548D1 (de) 2003-06-18
DE69814548T2 true DE69814548T2 (de) 2003-12-24

Family

ID=17347655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814548T Expired - Fee Related DE69814548T2 (de) 1997-09-25 1998-09-23 Hochdruckkolbenpumpe für Kraftstoffeinspritzung mit Pulsationsdämpfer

Country Status (7)

Country Link
US (1) US6135734A (de)
EP (1) EP0905374B1 (de)
KR (1) KR100335316B1 (de)
CN (1) CN1083531C (de)
AU (1) AU704212B1 (de)
DE (1) DE69814548T2 (de)
TW (1) TW384358B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002489B4 (de) * 2004-01-17 2013-01-31 Robert Bosch Gmbh Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe
DE102004064240B3 (de) * 2004-01-17 2016-01-28 Robert Bosch Gmbh Fluidpumpe mit integriertem Druckdämpfer

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247742A (ja) * 1998-03-02 1999-09-14 Zexel:Kk プランジャポンプ
JP2000045906A (ja) * 1998-07-29 2000-02-15 Mitsubishi Electric Corp 高圧燃料ポンプ装置
JP2000291509A (ja) * 1999-04-01 2000-10-17 Mitsubishi Electric Corp 直噴式ガソリンエンジン用燃料供給装置
GB9920210D0 (en) 1999-08-27 1999-10-27 Lucas Industries Ltd Fuel pump
JP3767268B2 (ja) * 1999-09-10 2006-04-19 三菱電機株式会社 高圧燃料供給装置
JP2001248518A (ja) * 2000-03-01 2001-09-14 Mitsubishi Electric Corp 可変吐出量燃料供給装置
JP4623930B2 (ja) * 2000-08-14 2011-02-02 スタナディーン コーポレイション 自動車用のコモンレール式燃料噴射装置
SE518301C2 (sv) * 2001-02-13 2002-09-24 Tetra Laval Holdings & Finance Dämpningsanordning för en kolvpump
JP3787508B2 (ja) * 2001-07-19 2006-06-21 株式会社日立製作所 高圧燃料供給ポンプ
JP3823060B2 (ja) * 2002-03-04 2006-09-20 株式会社日立製作所 高圧燃料供給ポンプ
JP4244683B2 (ja) * 2002-06-24 2009-03-25 トヨタ自動車株式会社 内燃機関の燃料噴射装置
DE10247142A1 (de) * 2002-10-09 2004-04-22 Robert Bosch Gmbh Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
JP4036153B2 (ja) * 2003-07-22 2008-01-23 株式会社日立製作所 ダンパ機構及び高圧燃料供給ポンプ
US20060034709A1 (en) * 2004-08-13 2006-02-16 Thomas Paul J Linear pump with exhaust pulsation attenuation
JP4686501B2 (ja) * 2007-05-21 2011-05-25 日立オートモティブシステムズ株式会社 液体脈動ダンパ機構、および液体脈動ダンパ機構を備えた高圧燃料供給ポンプ
US7610902B2 (en) * 2007-09-07 2009-11-03 Gm Global Technology Operations, Inc. Low noise fuel injection pump
US7819107B2 (en) * 2007-12-21 2010-10-26 Caterpillar Inc Pumping element for a fluid pump and method
JP5002523B2 (ja) 2008-04-25 2012-08-15 日立オートモティブシステムズ株式会社 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ
US9151289B2 (en) * 2008-08-21 2015-10-06 Cummins Inc. Fuel pump
US7823567B2 (en) * 2009-01-06 2010-11-02 Ford Global Technologies Fuel pump for internal combustion engine
JP4803269B2 (ja) * 2009-02-24 2011-10-26 株式会社デンソー 脈動低減装置
WO2013130128A1 (en) * 2012-03-02 2013-09-06 Jones Brian Carter Magnetically actuated fluid pump and pulse reducing apparatus
EP2557306A1 (de) * 2011-08-08 2013-02-13 Delphi Technologies Holding S.à.r.l. Kraftstoffpumpe
US20130312706A1 (en) * 2012-05-23 2013-11-28 Christopher J. Salvador Fuel system having flow-disruption reducer
US9746412B2 (en) 2012-05-30 2017-08-29 Iris International, Inc. Flow cytometer
GB201313338D0 (en) * 2013-07-26 2013-09-11 Delphi Tech Holding Sarl High Pressure Pump
DE102013218878A1 (de) * 2013-09-19 2015-03-19 Robert Bosch Gmbh Fluidfördersystem
US9593653B2 (en) * 2015-01-21 2017-03-14 Ford Global Technologies, Llc Direct injection fuel pump system
DE102016204128A1 (de) * 2016-03-14 2017-09-14 Robert Bosch Gmbh Hochdruckpumpe
JP6569589B2 (ja) 2016-04-28 2019-09-04 株式会社デンソー 高圧ポンプ
GB2559612B (en) * 2017-02-13 2020-04-01 Delphi Tech Ip Ltd Damper device with a capsule held in a rubber holder maintained in position by a metallic plug
DE102017213891B3 (de) * 2017-08-09 2019-02-14 Continental Automotive Gmbh Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem
DE102018209596A1 (de) 2018-06-14 2019-12-19 Robert Bosch Gmbh Kraftstoffpumpe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468958A (en) * 1936-01-15 1937-07-15 John Forster Alcock Improvements in fuel injection pumps for internal combustion engines
US4142497A (en) * 1975-11-06 1979-03-06 Allied Chemical Corporation Fuel pressure booster and regulator
JPS57124073A (en) * 1981-01-24 1982-08-02 Diesel Kiki Co Ltd Fuel injection device
DE3326995A1 (de) * 1983-07-27 1985-02-07 Bosch Gmbh Robert Daempferelement
US4649884A (en) * 1986-03-05 1987-03-17 Walbro Corporation Fuel rail for internal combustion engines
EP0400693A3 (de) * 1987-04-07 1991-02-20 Karl Eickmann Höchstdruckpumpe
CH674243A5 (de) * 1987-07-08 1990-05-15 Dereco Dieselmotoren Forschung
US5257606A (en) * 1992-06-23 1993-11-02 Carter Automotive Company, Inc. Fuel pump accumulator
JPH0712029A (ja) * 1993-06-24 1995-01-17 Mitsubishi Electric Corp 高圧燃料ポンプ
JP2874082B2 (ja) * 1993-09-10 1999-03-24 三菱自動車工業株式会社 内燃機関用燃料供給装置
JPH08158974A (ja) 1994-12-07 1996-06-18 Zexel Corp 可変容量型燃料ポンプ
JP3199103B2 (ja) * 1995-01-06 2001-08-13 横河電機株式会社 差圧測定装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002489B4 (de) * 2004-01-17 2013-01-31 Robert Bosch Gmbh Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe
DE102004064240B3 (de) * 2004-01-17 2016-01-28 Robert Bosch Gmbh Fluidpumpe mit integriertem Druckdämpfer

Also Published As

Publication number Publication date
US6135734A (en) 2000-10-24
CN1212326A (zh) 1999-03-31
EP0905374B1 (de) 2003-05-14
DE69814548D1 (de) 2003-06-18
KR19990030160A (ko) 1999-04-26
AU704212B1 (en) 1999-04-15
EP0905374A1 (de) 1999-03-31
TW384358B (en) 2000-03-11
CN1083531C (zh) 2002-04-24
KR100335316B1 (ko) 2002-10-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee