EP0971119A3 - Système d'injection de combustible à rampe commune - Google Patents

Système d'injection de combustible à rampe commune Download PDF

Info

Publication number
EP0971119A3
EP0971119A3 EP99305441A EP99305441A EP0971119A3 EP 0971119 A3 EP0971119 A3 EP 0971119A3 EP 99305441 A EP99305441 A EP 99305441A EP 99305441 A EP99305441 A EP 99305441A EP 0971119 A3 EP0971119 A3 EP 0971119A3
Authority
EP
European Patent Office
Prior art keywords
fuel
valve
pressure
injection
lift
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
EP99305441A
Other languages
German (de)
English (en)
Other versions
EP0971119A2 (fr
EP0971119B1 (fr
Inventor
Akihiko c/o Isuzu Motors Ltd Minato
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors Ltd
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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Publication of EP0971119A2 publication Critical patent/EP0971119A2/fr
Publication of EP0971119A3 publication Critical patent/EP0971119A3/fr
Application granted granted Critical
Publication of EP0971119B1 publication Critical patent/EP0971119B1/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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing 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
    • 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
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating 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
    • 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
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M63/0012—Valves
    • F02M63/0059—Arrangements of valve actuators
    • F02M63/0068—Actuators specially adapted for partial and full opening of the valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • 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
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
EP19990305441 1998-07-08 1999-07-08 Système d'injection de combustible à rampe commune Expired - Lifetime EP0971119B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10193488A JP2000027725A (ja) 1998-07-08 1998-07-08 コモンレール式燃料噴射装置
JP19348898 1998-07-08

Publications (3)

Publication Number Publication Date
EP0971119A2 EP0971119A2 (fr) 2000-01-12
EP0971119A3 true EP0971119A3 (fr) 2002-02-13
EP0971119B1 EP0971119B1 (fr) 2004-09-22

Family

ID=16308879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990305441 Expired - Lifetime EP0971119B1 (fr) 1998-07-08 1999-07-08 Système d'injection de combustible à rampe commune

Country Status (3)

Country Link
EP (1) EP0971119B1 (fr)
JP (1) JP2000027725A (fr)
DE (1) DE69920338T2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079641A (en) * 1998-10-13 2000-06-27 Caterpillar Inc. Fuel injector with rate shaping control through piezoelectric nozzle lift
DE19936944A1 (de) * 1999-08-05 2001-02-08 Bosch Gmbh Robert Verfahren zum Zumessen von Brennstoff mit einem Brennstoffeinspritzventil
DE10014737A1 (de) 2000-03-24 2001-10-11 Bosch Gmbh Robert Verfahren zur Bestimmung des Raildrucks eines Einspritzventils mit einem piezoelektrischen Aktor
DE10044120A1 (de) * 2000-09-07 2002-04-04 Bosch Gmbh Robert Common-Rail-System
FR2823534B1 (fr) 2001-04-12 2003-10-03 Power System Procede pour augmenter la puissance et le couple d'un moteur diesel a systeme d'injection et dispositif pour la mise en oeuvre du procede
DE10205749A1 (de) * 2002-02-12 2003-08-21 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10231582A1 (de) 2002-07-11 2004-01-29 Daimlerchrysler Ag Verfahren zum Betrieb einer Brennkraftmaschine
DE10239614A1 (de) * 2002-08-29 2004-03-11 Robert Bosch Gmbh Verfahren zum Betreiben eines Kraftstoffeinspritzsystems, Computerprogramm sowie Steuer- und/oder Regelgerät zum Betreiben eines Kraftstoffeinspritzsystems und Brennkraftmaschine
DE102007053156A1 (de) * 2007-11-08 2009-05-20 Man Diesel Se Kraftstoffeinspritzeinrichtung
JP5358621B2 (ja) 2011-06-20 2013-12-04 日立オートモティブシステムズ株式会社 燃料噴射装置
JP5857980B2 (ja) * 2013-02-06 2016-02-10 株式会社日本自動車部品総合研究所 電磁弁
JP6463638B2 (ja) * 2015-01-20 2019-02-06 株式会社Ｓｏｋｅｎ 燃料噴射弁の制御装置
EP3722590A4 (fr) * 2017-12-07 2021-07-28 Tianjin Shengoumei Engine Technology Consulting Co Injecteur de carburant à rail commun pour moteur diesel
CN113202669B (zh) * 2021-06-10 2022-07-15 哈尔滨工程大学 一种电控喷油器性能的多目标优化方法
CN114165373A (zh) * 2021-12-17 2022-03-11 中国船舶重工集团公司第七一一研究所 喷油器和共轨系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5133645A (en) * 1990-07-16 1992-07-28 Diesel Technology Corporation Common rail fuel injection system
US5713326A (en) * 1995-05-03 1998-02-03 Institut Fur Motorenbau Prof. Huber Gmbh Injection nozzle
EP0826876A1 (fr) * 1996-08-31 1998-03-04 Isuzu Motors Limited Dispositif d'injection de combustible pour moteurs à combustion interne
EP0829641A2 (fr) * 1996-08-31 1998-03-18 Isuzu Motors Limited Dispositif d'injection de combustible pour moteurs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5133645A (en) * 1990-07-16 1992-07-28 Diesel Technology Corporation Common rail fuel injection system
US5713326A (en) * 1995-05-03 1998-02-03 Institut Fur Motorenbau Prof. Huber Gmbh Injection nozzle
EP0826876A1 (fr) * 1996-08-31 1998-03-04 Isuzu Motors Limited Dispositif d'injection de combustible pour moteurs à combustion interne
EP0829641A2 (fr) * 1996-08-31 1998-03-18 Isuzu Motors Limited Dispositif d'injection de combustible pour moteurs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RUMPHORST M: "EIN NEUES ELEKTRONISCHES HOCHDRUCK-EINSPRITZSYSTEM FUR DIESELMOTOREN A NEW ELECTRONIC HIGH PRESSURE INJECTION SYSTEM", MTZ MOTORTECHNISCHE ZEITSCHRIFT, FRANCKH'SCHE VERLAGSHANDLUNG,ABTEILUNG TECHNIK. STUTTGART, DE, vol. 56, no. 3, 1 March 1995 (1995-03-01), pages 142 - 148, XP000490673, ISSN: 0024-8525 *

Also Published As

Publication number Publication date
DE69920338T2 (de) 2005-10-06
JP2000027725A (ja) 2000-01-25
EP0971119A2 (fr) 2000-01-12
DE69920338D1 (de) 2004-10-28
EP0971119B1 (fr) 2004-09-22

Similar Documents

Publication Publication Date Title
EP0971119A3 (fr) Système d'injection de combustible à rampe commune
EP1382836B1 (fr) Injecteur à combustible
US6513497B1 (en) Fuel injection system for internal combustion engines
JP3944529B2 (ja) 噴射ノズルの制御方法
JP3742669B2 (ja) 内燃機関用の燃料噴射装置
EP0987431A3 (fr) Injecteur de carburant
US6520152B1 (en) Fuel injection system for an internal combustion engine
EP1041272A3 (fr) Injecteur de combustible
US20010050316A1 (en) Fuel injection valve
WO2001051797A3 (fr) Soupape de commande pour un injecteur d'un systeme d'injection de carburant destine a des moteurs a combustion interne, permettant une augmentation de pression dans la chambre de commande
WO2003081007A1 (fr) Procede et dispositif de detection du moment d'impact du pointeau d'une soupape de commande piezoelectrique
US6810857B2 (en) Fuel injection system for an internal combustion engine
EP1219828A3 (fr) Systeme d'injection de carburant de type common-rail avec dispositif de premesure de carburant
US20020148905A1 (en) Fuel injector arrangement
EP0921301A3 (fr) Injecteur de combustible
EP1120563A3 (fr) Injecteur de carburant
US6725840B1 (en) Fuel injection device
EP1081373A3 (fr) Injecteur à combustible
EP1201901A3 (fr) Dispositif et méthode de commande d'un moteur à combustion interne à injection directe
JP4340391B2 (ja) 液圧作動電子制御燃料噴射システム
EP1245822A3 (fr) Injecteur de carburant avec un limiteur de débit dans la soupape de commande
US6659086B2 (en) Fuel injection apparatus for internal combustion engines
US6988679B2 (en) Injection valve
US6527198B1 (en) Fuel injection valve for internal combustion engines
US6644281B2 (en) Fuel injection apparatus for an internal combustion engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

Kind code of ref document: A2

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20020521

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20030819

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69920338

Country of ref document: DE

Date of ref document: 20041028

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050623

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20070621

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20070622

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20070611

Year of fee payment: 9

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20080708

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090203

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20090331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080708

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080731