DE69719461T2 - Storage fuel injector for internal combustion engines - Google Patents

Storage fuel injector for internal combustion engines Download PDF

Info

Publication number
DE69719461T2
DE69719461T2 DE1997619461 DE69719461T DE69719461T2 DE 69719461 T2 DE69719461 T2 DE 69719461T2 DE 1997619461 DE1997619461 DE 1997619461 DE 69719461 T DE69719461 T DE 69719461T DE 69719461 T2 DE69719461 T2 DE 69719461T2
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injector
combustion engines
storage fuel
storage
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
DE1997619461
Other languages
German (de)
Other versions
DE69719461D1 (en
Inventor
Masashi Murakami
Tetsuya Toyao
Shuichi Matsumoto
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
Original Assignee
Denso 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
Priority claimed from JP31047096A external-priority patent/JP3755143B2/en
Priority claimed from JP31332896A external-priority patent/JP3719461B2/en
Application filed by Denso Corp filed Critical Denso Corp
Publication of DE69719461D1 publication Critical patent/DE69719461D1/en
Application granted granted Critical
Publication of DE69719461T2 publication Critical patent/DE69719461T2/en
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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • F02D41/3827—Common rail control systems for diesel engines
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0071—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059 characterised by guiding or centering means in valves including the absence of any guiding means, e.g. "flying arrangements"
    • 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
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
DE1997619461 1996-11-21 1997-11-21 Storage fuel injector for internal combustion engines Expired - Lifetime DE69719461T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31047096A JP3755143B2 (en) 1996-11-21 1996-11-21 Accumulated fuel injection system
JP31332896A JP3719461B2 (en) 1996-11-25 1996-11-25 Accumulated fuel injection system

Publications (2)

Publication Number Publication Date
DE69719461D1 DE69719461D1 (en) 2003-04-10
DE69719461T2 true DE69719461T2 (en) 2004-01-15

Family

ID=26566329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997619461 Expired - Lifetime DE69719461T2 (en) 1996-11-21 1997-11-21 Storage fuel injector for internal combustion engines

Country Status (2)

Country Link
EP (1) EP0844385B1 (en)
DE (1) DE69719461T2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9810208D0 (en) * 1998-05-13 1998-07-08 Lucas Ind Plc Fuel injector
DE19859592C1 (en) * 1998-12-22 2000-05-04 Bosch Gmbh Robert Fuel injection valve for high pressure injection of fuel into the combustion chambers of internal combustion engines
DE19904720C2 (en) * 1999-02-05 2003-01-16 Siemens Ag Injector for an injection system of an internal combustion engine
DE19937677C2 (en) * 1999-08-10 2003-06-26 Siemens Ag Injector with improved sealing surface arrangement
DE19938921B4 (en) * 1999-08-17 2004-02-19 L'orange Gmbh Injection valve for an internal combustion engine
DE19942990A1 (en) * 1999-09-09 2001-03-22 Bosch Gmbh Robert Common rail injector
DE19950223A1 (en) * 1999-10-19 2001-04-26 Bosch Gmbh Robert Injector for common rail injection system for IC engines has end face of valve piston larger than hole, this being larger than sealing line between needle and needle seat
IT1319987B1 (en) * 2000-03-21 2003-11-12 Fiat Ricerche COMBUSTION INJECTOR HAVING A CONTROL AREA CONTROLLED BY THE PRESSURE OF THE FUEL IN A CONTROL CHAMBER.
DE10139680A1 (en) * 2001-08-11 2003-02-27 Bosch Gmbh Robert Fuel injection system
DE10146743A1 (en) * 2001-09-22 2003-04-17 Bosch Gmbh Robert Injection valve for an internal combustion engine
ITBO20020497A1 (en) * 2002-07-30 2004-01-30 Magneti Marelli Powertrain Spa FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE WITH HYDRAULIC PIN ACTUATION
AT501668B1 (en) * 2004-08-24 2007-03-15 Bosch Gmbh Robert CONTROL VALVE FOR AN INJECTION NOZZLE
DE102007038139A1 (en) * 2007-08-13 2009-02-19 Robert Bosch Gmbh Electric plug with fuel return
JP2009103080A (en) * 2007-10-24 2009-05-14 Denso Corp Fuel injection valve
GB201518455D0 (en) 2015-10-19 2015-12-02 Delphi Internat Operations Luxembourg S À R L Digital inlet valve
CN105484921B (en) * 2015-12-11 2017-12-08 中国北方发动机研究所(天津) A kind of variable oil inlet quantity cellular type high pressure common rail injector control valve and its control volume

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378242B (en) * 1981-07-31 1985-07-10 Berchtold Max Prof FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES, ESPECIALLY DIESEL ENGINES
CH668621A5 (en) * 1986-01-22 1989-01-13 Dereco Dieselmotoren Forschung FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE.
DE3788406T2 (en) 1986-09-25 1994-04-14 Ganser Hydromag Zuerich Electronically controlled injection system.
IT212431Z2 (en) * 1987-08-25 1989-07-04 Weber Srl THE ELECTROMAGNETIC CONTROL FOR FUEL INJECTION VALVE DIESEL CYCLE ENGINES
IT1261149B (en) 1993-12-30 1996-05-09 Elasis Sistema Ricerca Fiat DOSING VALVE FOR THE CONTROL OF THE SHUTTER OF A FUEL INJECTOR
GB9508623D0 (en) * 1995-04-28 1995-06-14 Lucas Ind Plc "Fuel injection nozzle"
JP3758727B2 (en) * 1995-12-05 2006-03-22 株式会社デンソー Fuel injection device

Also Published As

Publication number Publication date
DE69719461D1 (en) 2003-04-10
EP0844385B1 (en) 2003-03-05
EP0844385A1 (en) 1998-05-27

Similar Documents

Publication Publication Date Title
DE59709189D1 (en) FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE69717744D1 (en) Fuel injection device for internal combustion engines
DE69738384D1 (en) Fuel injection valve for internal combustion engines
DE59807067D1 (en) FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE59712768D1 (en) FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE59807062D1 (en) FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE59506619D1 (en) Fuel injection device for internal combustion engines
DE69738385D1 (en) Fuel injection device for internal combustion engines
DE59505415D1 (en) Fuel injection device for internal combustion engines
DE59908419D1 (en) FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES
DE59807119D1 (en) FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE69820974D1 (en) Fuel injection valve for an internal combustion engine
DE59805604D1 (en) FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES
DE59809215D1 (en) FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE59710265D1 (en) Fuel injection valve for internal combustion engines
DE69719461D1 (en) Storage fuel injector for internal combustion engines
ATA96495A (en) STORAGE INJECTION SYSTEM FOR DIESEL INTERNAL COMBUSTION ENGINE
DE69712201D1 (en) FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINE
DE59605793D1 (en) FUEL INJECTION VALVE ARRANGEMENT FOR INTERNAL COMBUSTION ENGINES
DE19608575B4 (en) Fuel injection valve for internal combustion engines
DE19716771B4 (en) Fuel injection valve for internal combustion engines
DE59608380D1 (en) FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES
DE69818561D1 (en) Fuel injection valve for internal combustion engines
DE59504403D1 (en) FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
AT500797B1 (en) FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE

Legal Events

Date Code Title Description
8364 No opposition during term of opposition