EP1486665A4 - Fuel injector - Google Patents

Fuel injector

Info

Publication number: EP1486665A4
Authority: EP; European Patent Office
Prior art keywords: fuel injector; injector; fuel
Prior art date: 2002-03-15
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

2002-03-15

Filing date

2003-03-14

Publication date

2010-09-01

2002-03-15 Priority claimed from JP2002071588A external-priority patent/JP3790711B2/en

2002-03-15 Priority claimed from JP2002071589A external-priority patent/JP2003269288A/en

2003-03-14 Application filed by Bosch Automotive Systems Corp filed Critical Bosch Automotive Systems Corp

2004-12-15 Publication of EP1486665A1 publication Critical patent/EP1486665A1/en

2010-09-01 Publication of EP1486665A4 publication Critical patent/EP1486665A4/en

Status Withdrawn legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Fluid Mechanics (AREA)
Fuel-Injection Apparatus (AREA)

EP03710360A 2002-03-15 2003-03-14 Fuel injector Withdrawn EP1486665A4 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
JP2002071588		2002-03-15
JP2002071588A JP3790711B2 (en)	2002-03-15	2002-03-15	Fuel injector
JP2002071589		2002-03-15
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
DE102011078947A1 (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

2003
- 2003-03-14 CN CNB038002213A patent/CN1323238C/en not_active Expired - Lifetime
- 2003-03-14 EP EP03710360A patent/EP1486665A4/en not_active Withdrawn
- 2003-03-14 WO PCT/JP2003/003077 patent/WO2003078829A1/en active Application Filing
- 2003-03-14 KR KR1020037014690A patent/KR100597760B1/en active IP Right Grant

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

Publication	Publication Date	Title
GB0219461D0 (en)	2002-09-25	Fuel injection arrangement
GB2405197B (en)	2005-09-28	Fuel injector
GB2384823B (en)	2004-04-28	Fuel injector nozzle assembly
GB0219458D0 (en)	2002-09-25	Fuel injection apparatus
GB2404729B (en)	2008-01-23	Fuel injection
AU2003259868A1 (en)	2004-04-19	Common rail fuel injector
GB0215488D0 (en)	2002-08-14	Fuel injection system
EP1486665A4 (en)	2010-09-01	Fuel injector
GB2402233B (en)	2006-10-11	Fuel injector supply
PL371655A1 (en)	2005-06-27	Fuel injection system
PL358812A1 (en)	2004-08-23	Accumulating fuel injector
GB2373043B (en)	2004-09-22	Fuel injector
GB0209146D0 (en)	2002-05-29	Fuel pump
AU2003273495A8 (en)	2004-02-23	Gaseous fuel injector
HK1057915A1 (en)	2004-04-23	Fuel injection apparatus
EP1706621A4 (en)	2009-12-30	Fuel injector connector
GB0323913D0 (en)	2003-11-12	Fuel injector
GB2404997B (en)	2007-02-21	Fuel injector supply
PL358850A1 (en)	2003-09-08	Fuel injection systemand particularly the unit injector
GB2384004B (en)	2006-08-23	Fuel mixture
GB0305557D0 (en)	2003-04-16	Fuel injector
LU90730B1 (en)	2002-08-16	Direct fuel injector
ATE360140T1 (en)	2007-05-15	FUEL INJECTOR
LU90777B1 (en)	2002-11-18	Fuel injector assembly
AU2002950206A0 (en)	2002-09-12	Fuel injector

Legal Events

Date	Code	Title	Description
2004-10-29	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
2004-12-15	17P	Request for examination filed	Effective date: 20031028
2004-12-15	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
2010-09-01	A4	Supplementary search report drawn up and despatched	Effective date: 20100730
2010-09-01	RIC1	Information provided on ipc code assigned before grant	Ipc: F02M 63/00 20060101ALI20100726BHEP Ipc: F02M 47/00 20060101ALI20100726BHEP Ipc: F02M 61/20 20060101ALI20100726BHEP Ipc: F02M 61/16 20060101AFI20031003BHEP
2011-06-22	17Q	First examination report despatched	Effective date: 20110519
2012-02-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2012-03-28	18D	Application deemed to be withdrawn	Effective date: 20110930