EP1486665A4 - Fuel injector - Google Patents

Fuel injector

Info

Publication number
EP1486665A4
EP1486665A4 EP03710360A EP03710360A EP1486665A4 EP 1486665 A4 EP1486665 A4 EP 1486665A4 EP 03710360 A EP03710360 A EP 03710360A EP 03710360 A EP03710360 A EP 03710360A EP 1486665 A4 EP1486665 A4 EP 1486665A4
Authority
EP
European Patent Office
Prior art keywords
fuel injector
injector
fuel
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.)
Withdrawn
Application number
EP03710360A
Other languages
German (de)
French (fr)
Other versions
EP1486665A1 (en
Inventor
Yoshiaki Takashima
Takahisa Suda
Yoshikazu Suzuki
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.)
Bosch Corp
Original Assignee
Bosch Automotive Systems 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 JP2002071588A external-priority patent/JP3790711B2/en
Priority claimed from JP2002071589A external-priority patent/JP2003269288A/en
Application filed by Bosch Automotive Systems Corp filed Critical Bosch Automotive Systems Corp
Publication of EP1486665A1 publication Critical patent/EP1486665A1/en
Publication of EP1486665A4 publication Critical patent/EP1486665A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • F02M55/007—Venting 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
    • 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
    • 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
    • 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
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • F02M63/0019—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of electromagnets or fixed armatures
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/003—Valve inserts containing control chamber and valve piston
EP03710360A 2002-03-15 2003-03-14 Fuel injector Withdrawn EP1486665A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2002071589 2002-03-15
JP2002071588 2002-03-15
JP2002071588A JP3790711B2 (en) 2002-03-15 2002-03-15 Fuel injector
JP2002071589A JP2003269288A (en) 2002-03-15 2002-03-15 Fuel injector
PCT/JP2003/003077 WO2003078829A1 (en) 2002-03-15 2003-03-14 Fuel injector

Publications (2)

Publication Number Publication Date
EP1486665A1 EP1486665A1 (en) 2004-12-15
EP1486665A4 true EP1486665A4 (en) 2010-09-01

Family

ID=28043721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03710360A Withdrawn EP1486665A4 (en) 2002-03-15 2003-03-14 Fuel injector

Country Status (4)

Country Link
EP (1) EP1486665A4 (en)
KR (1) KR100597760B1 (en)
CN (1) CN1323238C (en)
WO (1) WO2003078829A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500774B8 (en) * 2004-08-06 2007-02-15 Bosch Gmbh Robert DEVICE FOR INJECTING FUEL IN THE COMBUSTION ENGINE OF AN INTERNAL COMBUSTION ENGINE
DE102007044361A1 (en) * 2007-09-17 2009-03-19 Robert Bosch Gmbh Control valve for a fuel injector
US7866575B2 (en) * 2009-01-12 2011-01-11 GM Global Technology Operations LLC Pressure actuated fuel injector
US8443780B2 (en) * 2010-06-01 2013-05-21 Caterpillar Inc. Low leakage cam assisted common rail fuel system, fuel injector, and operating method therefor
DE102011078953A1 (en) * 2011-04-07 2012-10-11 Robert Bosch Gmbh fuel injector
US9874168B2 (en) * 2015-07-20 2018-01-23 Ford Global Technologies, Llc Methods and systems for a dual injection fuel system
DE102015220677A1 (en) * 2015-10-22 2017-04-27 Robert Bosch Gmbh Electromagnetically actuated inlet valve and high-pressure pump with inlet valve
DE102016215745A1 (en) 2016-08-23 2018-03-01 Robert Bosch Gmbh Electromagnetically operated suction valve and method for producing an electromagnetically actuated suction valve
FR3065037A1 (en) * 2017-04-10 2018-10-12 Delphi International Operations Luxembourg S.A R.L. CENTERING RING
CN107120220B (en) * 2017-06-30 2023-08-29 南岳电控（衡阳）工业技术股份有限公司 Fuel injection pump for preventing difficult starting of diesel engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0916843A1 (en) * 1997-11-18 1999-05-19 ELASIS SISTEMA RICERCA FIAT NEL MEZZOGIORNO Società Consortile per Azioni Adjustable metering valve for an internal combustion engine fuel injector
DE19832826A1 (en) * 1998-07-21 2000-01-27 Bosch Gmbh Robert Pre-control valve for fuel injection valve, with insert sector fixed in intended position on bath walls parallel to axis
EP1150001A2 (en) * 2000-04-27 2001-10-31 Denso Corporation Solenoid valve and fuel injector using same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5785671U (en) * 1980-11-15 1982-05-27
JPS5965977U (en) * 1982-10-26 1984-05-02 日産車体株式会社 fuel injector
JPH0514755U (en) * 1991-08-06 1993-02-26 株式会社日立製作所 solenoid valve
JPH07260032A (en) * 1994-03-25 1995-10-13 Honda Lock Mfg Co Ltd Solenoid valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0916843A1 (en) * 1997-11-18 1999-05-19 ELASIS SISTEMA RICERCA FIAT NEL MEZZOGIORNO Società Consortile per Azioni Adjustable metering valve for an internal combustion engine fuel injector
DE19832826A1 (en) * 1998-07-21 2000-01-27 Bosch Gmbh Robert Pre-control valve for fuel injection valve, with insert sector fixed in intended position on bath walls parallel to axis
EP1150001A2 (en) * 2000-04-27 2001-10-31 Denso Corporation Solenoid valve and fuel injector using same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03078829A1 *

Also Published As

Publication number Publication date
CN1323238C (en) 2007-06-27
KR100597760B1 (en) 2006-07-05
KR20040012819A (en) 2004-02-11
WO2003078829A1 (en) 2003-09-25
EP1486665A1 (en) 2004-12-15
CN1507537A (en) 2004-06-23

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Legal Events

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

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RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 63/00 20060101ALI20100726BHEP

Ipc: F02M 47/00 20060101ALI20100726BHEP

Ipc: F02M 61/20 20060101ALI20100726BHEP

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Effective date: 20110519

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