DE69820550T2 - Hochdruckpumpe mit variabler Durchflussrate - Google Patents

Hochdruckpumpe mit variabler Durchflussrate Download PDF

Info

Publication number
DE69820550T2
DE69820550T2 DE69820550T DE69820550T DE69820550T2 DE 69820550 T2 DE69820550 T2 DE 69820550T2 DE 69820550 T DE69820550 T DE 69820550T DE 69820550 T DE69820550 T DE 69820550T DE 69820550 T2 DE69820550 T2 DE 69820550T2
Authority
DE
Germany
Prior art keywords
fuel
pressure
plungers
pump
cam
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
DE69820550T
Other languages
German (de)
English (en)
Other versions
DE69820550D1 (de
Inventor
Shigeiku Nishio-city Enomoto
Tadaaki Nishio-city Makino
Yasuhiro Kariya-city Horiuchi
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.)
Denso Corp
Soken Inc
Original Assignee
Denso Corp
Nippon Soken 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 Denso Corp, Nippon Soken Inc filed Critical Denso Corp
Application granted granted Critical
Publication of DE69820550D1 publication Critical patent/DE69820550D1/de
Publication of DE69820550T2 publication Critical patent/DE69820550T2/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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/14—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons
    • F02M41/1405—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • F02M41/1411—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis characterised by means for varying fuel delivery or injection timing
    • 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
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
    • 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/14—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons
    • F02M41/1405—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • F02M41/1411—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis characterised by means for varying fuel delivery or injection timing
    • F02M41/1427—Arrangements for metering fuel admitted to pumping chambers, e.g. by shuttles or by throttle-valves
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Reciprocating Pumps (AREA)
DE69820550T 1997-09-11 1998-09-09 Hochdruckpumpe mit variabler Durchflussrate Expired - Lifetime DE69820550T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26498897 1997-09-11
JP26498897 1997-09-11

Publications (2)

Publication Number Publication Date
DE69820550D1 DE69820550D1 (de) 2004-01-29
DE69820550T2 true DE69820550T2 (de) 2004-11-04

Family

ID=17411014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69820550T Expired - Lifetime DE69820550T2 (de) 1997-09-11 1998-09-09 Hochdruckpumpe mit variabler Durchflussrate

Country Status (2)

Country Link
EP (1) EP0902181B1 (fr)
DE (1) DE69820550T2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4322444B2 (ja) 2001-06-14 2009-09-02 株式会社デンソー 蓄圧式燃料噴射装置
JP4199705B2 (ja) * 2004-07-12 2008-12-17 ヤンマー株式会社 蓄圧式燃料噴射装置を備えた内燃機関
DE502005003915D1 (de) * 2005-09-26 2008-06-12 Ford Global Tech Llc Verfahren zum Reduzieren der Gesamtbelastung des Antriebssystems eines Common-Rail-Einspritzsystems
GB2552328A (en) * 2016-07-18 2018-01-24 Delphi Int Operations Luxembourg Sarl Transfer pump
GB2565093B (en) * 2017-08-01 2020-03-25 Delphi Tech Ip Ltd Fuel Pressurising device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1833875U (de) * 1959-09-03 1961-06-29 Josef Binhack Radialkolbenpumpe.
GB1603415A (en) * 1977-04-30 1981-11-25 Lucas Industries Ltd Liquid fuel injection pumps
JPS62231349A (ja) 1986-03-31 1987-10-09 Omron Tateisi Electronics Co メモリアクセス装置
JP2690734B2 (ja) * 1987-09-16 1997-12-17 株式会社デンソー 可変吐出量高圧ポンプ
FR2710111B1 (fr) * 1993-09-15 1995-12-01 Poclain Hydraulics Sa Moteur hydraulique muni d'un dispositif de sélection de sa cylindrée active.
DE59406680D1 (de) * 1993-11-08 1998-09-17 Sig Schweiz Industrieges Steuereinrichtung für eine füllgrad-verstellpumpe
US5630708A (en) * 1993-12-28 1997-05-20 Zexel Corporation Radial piston pump for low-viscosity fuel
JPH07269439A (ja) * 1994-03-31 1995-10-17 Zexel Corp 分配型燃料噴射ポンプ
JP3531253B2 (ja) 1995-01-13 2004-05-24 株式会社明電舎 パルス電源
JPH09100939A (ja) 1995-10-09 1997-04-15 Aisin Aw Co Ltd 電磁比例弁制御装置
JP3581861B2 (ja) * 1996-07-05 2004-10-27 株式会社日本自動車部品総合研究所 高圧供給ポンプ

Also Published As

Publication number Publication date
DE69820550D1 (de) 2004-01-29
EP0902181A2 (fr) 1999-03-17
EP0902181A3 (fr) 2001-12-12
EP0902181B1 (fr) 2003-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition