EP0902181A3 - Pompe à haute pression à débit variable - Google Patents

Pompe à haute pression à débit variable Download PDF

Info

Publication number
EP0902181A3
EP0902181A3 EP98117065A EP98117065A EP0902181A3 EP 0902181 A3 EP0902181 A3 EP 0902181A3 EP 98117065 A EP98117065 A EP 98117065A EP 98117065 A EP98117065 A EP 98117065A EP 0902181 A3 EP0902181 A3 EP 0902181A3
Authority
EP
European Patent Office
Prior art keywords
plungers
pressure pump
pressure
fuel
drive torque
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.)
Granted
Application number
EP98117065A
Other languages
German (de)
English (en)
Other versions
EP0902181B1 (fr
EP0902181A2 (fr
Inventor
Shigeiku c/o Nippon Soken Inc. Enomoto
Tadaaki c/o NIPPON SOKEN INC. Makino
Yasuhiro c/o DENSO CORPORATION 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
Publication of EP0902181A2 publication Critical patent/EP0902181A2/fr
Publication of EP0902181A3 publication Critical patent/EP0902181A3/fr
Application granted granted Critical
Publication of EP0902181B1 publication Critical patent/EP0902181B1/fr
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)
EP19980117065 1997-09-11 1998-09-09 Pompe à haute pression à débit variable Expired - Lifetime EP0902181B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26498897 1997-09-11
JP26498897 1997-09-11
JP264988/97 1997-09-11

Publications (3)

Publication Number Publication Date
EP0902181A2 EP0902181A2 (fr) 1999-03-17
EP0902181A3 true EP0902181A3 (fr) 2001-12-12
EP0902181B1 EP0902181B1 (fr) 2003-12-17

Family

ID=17411014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980117065 Expired - Lifetime EP0902181B1 (fr) 1997-09-11 1998-09-09 Pompe à haute pression à débit variable

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

Citations (8)

* 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.
US4173959A (en) * 1977-04-30 1979-11-13 Lucas Industries Limited Liquid fuel injection pumps
JPS6473166A (en) * 1987-09-16 1989-03-17 Nippon Denso Co Variable discharge high pressure pump
WO1995013474A1 (fr) * 1993-11-08 1995-05-18 Eidgenössische Technische Hochschule Laboratorium Für Verbrennungsmotoren Und Verbrennungstechnik Dispositif de commande pour une pompe a volume de remplissage variable
EP0675280A1 (fr) * 1994-03-31 1995-10-04 Zexel Corporation Pompe à injection de combustible distributrice
US5558003A (en) * 1993-09-15 1996-09-24 Poclain Hydraulics Hydraulic motor provided with a device for selecting its active cubic capacity
US5630708A (en) * 1993-12-28 1997-05-20 Zexel Corporation Radial piston pump for low-viscosity fuel
JPH1073064A (ja) * 1996-07-05 1998-03-17 Nippon Soken Inc 高圧供給ポンプ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231349A (ja) 1986-03-31 1987-10-09 Omron Tateisi Electronics Co メモリアクセス装置
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

Patent Citations (8)

* 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.
US4173959A (en) * 1977-04-30 1979-11-13 Lucas Industries Limited Liquid fuel injection pumps
JPS6473166A (en) * 1987-09-16 1989-03-17 Nippon Denso Co Variable discharge high pressure pump
US5558003A (en) * 1993-09-15 1996-09-24 Poclain Hydraulics Hydraulic motor provided with a device for selecting its active cubic capacity
WO1995013474A1 (fr) * 1993-11-08 1995-05-18 Eidgenössische Technische Hochschule Laboratorium Für Verbrennungsmotoren Und Verbrennungstechnik Dispositif de commande pour une pompe a volume de remplissage variable
US5630708A (en) * 1993-12-28 1997-05-20 Zexel Corporation Radial piston pump for low-viscosity fuel
EP0675280A1 (fr) * 1994-03-31 1995-10-04 Zexel Corporation Pompe à injection de combustible distributrice
JPH1073064A (ja) * 1996-07-05 1998-03-17 Nippon Soken Inc 高圧供給ポンプ

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 281 (M - 842) 27 June 1989 (1989-06-27) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 08 30 June 1998 (1998-06-30) *

Also Published As

Publication number Publication date
EP0902181B1 (fr) 2003-12-17
EP0902181A2 (fr) 1999-03-17
DE69820550T2 (de) 2004-11-04
DE69820550D1 (de) 2004-01-29

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