EP0348786A3 - Electromagnetic fuel-injection valve - Google Patents

Electromagnetic fuel-injection valve Download PDF

Info

Publication number: EP0348786A3
Authority: EP; European Patent Office
Prior art keywords: injection valve; electromagnetic fuel; electromagnetic; fuel; injection
Prior art date: 1988-06-28
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

EP89111120A

Other languages

German (de)

Other versions

EP0348786A2 (en

EP0348786B1 (en

Inventor

Mauro Forapianti

Alberto Manetti

Riccardo Toncelli

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.)

Siemens AG

Original Assignee

Siemens AG

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.)

1988-06-28

Filing date

1989-06-19

Publication date

1990-08-22

1989-06-19 Application filed by Siemens AG filed Critical Siemens AG

1990-01-03 Publication of EP0348786A2 publication Critical patent/EP0348786A2/en

1990-08-22 Publication of EP0348786A3 publication Critical patent/EP0348786A3/en

1992-08-26 Application granted granted Critical

1992-08-26 Publication of EP0348786B1 publication Critical patent/EP0348786B1/en

2009-06-19 Anticipated expiration legal-status Critical

Status 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
- F02M61/1853—Orifice plates
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0667—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature acting as a valve or having a short valve body attached thereto
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/08—Injectors peculiar thereto with means directly operating the valve needle specially for low-pressure fuel-injection
- 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

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)
Fuel-Injection Apparatus (AREA)

EP89111120A 1988-06-28 1989-06-19 Electromagnetic fuel-injection valve Expired - Lifetime EP0348786B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3821776		1988-06-28
DE3821776		1988-06-28

Publications (3)

Publication Number	Publication Date
EP0348786A2 EP0348786A2 (en)	1990-01-03
EP0348786A3 true EP0348786A3 (en)	1990-08-22
EP0348786B1 EP0348786B1 (en)	1992-08-26

Family

ID=6357425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89111120A Expired - Lifetime EP0348786B1 (en)	1988-06-28	1989-06-19	Electromagnetic fuel-injection valve

Country Status (2)

Country	Link
EP (1)	EP0348786B1 (en)
DE (1)	DE58902133D1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT223984Z2 (en) *	1990-01-17	1995-10-05	Weber Srl	VALVE OF A POWER SUPPLY OF AN INTERNAL COMBUSTION ENGINE
JP2518031Y2 (en) *	1990-12-19	1996-11-20	株式会社ユニシアジェックス	Fuel injection valve
DE4113682A1 (en) *	1991-04-26	1992-10-29	Bosch Gmbh Robert	INJECTION VALVE
DE4325842A1 (en) *	1993-07-31	1995-02-02	Bosch Gmbh Robert	Fuel injection valve
DE4412277A1 (en) *	1994-04-09	1995-10-12	Bosch Gmbh Robert	Electromagnetically actuated fuel injector
DE4421429A1 (en) *	1994-06-18	1995-12-21	Bosch Gmbh Robert	Electromagnetically actuated fuel injector
DE19512339B4 (en) *	1995-04-01	2010-06-10	Robert Bosch Gmbh	Electromagnetically actuated fuel injection valve
FR2744766B1 (en) *	1996-02-14	1998-04-30	Peugeot Motocycles Sa	SOLENOID VALVE, ESPECIALLY IMPACT FOR A FUEL INJECTION SYSTEM BY BLOCKING IMPACT IN A VEHICLE ENGINE
DE19739150A1 (en)	1997-09-06	1999-03-11	Bosch Gmbh Robert	Fuel injector
NL1009348C2 (en) *	1998-06-09	1999-12-10	Helvoet B V	Magnet armature at least comprising body of magnetic or magnetizable material has in one outer end sealing component recess in which sealing component prepared outside body is accommodated
DE10118163B4 (en)	2001-04-11	2007-04-19	Robert Bosch Gmbh	Fuel injector
DE10124744A1 (en)	2001-05-21	2003-01-23	Bosch Gmbh Robert	Fuel injector
DE10142299A1 (en) *	2001-08-29	2003-04-17	Bosch Gmbh Robert	fuel injection system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB400836A (en) *	1932-03-19	1933-11-02	Schweizerische Lokomotiv	Improvements in or relating to fuel nozzles for internal combustion engines
US4139158A (en) *	1975-09-01	1979-02-13	Diesel Kiki Co., Ltd.	Fuel discharge nozzle
FR2436887A1 (en) *	1978-09-22	1980-04-18	Nissan Motor	FLUID INJECTION VALVE
GB2034816A (en) *	1978-11-24	1980-06-11	Maschf Augsburg Nuernberg Ag	Multi-aperture injection nozzle for an air compression internal combustion engine
GB2057193A (en) *	1979-08-03	1981-03-25	Alfa Romeo Spa	Rapid transient fuel electroinjector
EP0197567A2 (en) *	1985-02-07	1986-10-15	WEBER S.r.l.	Electromagnetic injector for an I.C. engine
US4657189A (en) *	1985-03-13	1987-04-14	Aisan Kogyo Kabushiki Kaisha	Electromagnetic fuel injection valve for an internal combustion engine having a plurality of intake valves
DE8709111U1 (en) *	1987-07-01	1987-09-17	Siemens AG, 1000 Berlin und 8000 München	Injector
WO1987007334A2 (en) *	1986-05-31	1987-12-03	Robert Bosch Gmbh	Fuel injection valve

1989
- 1989-06-19 DE DE8989111120T patent/DE58902133D1/en not_active Expired - Fee Related
- 1989-06-19 EP EP89111120A patent/EP0348786B1/en not_active Expired - Lifetime

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB400836A (en) *	1932-03-19	1933-11-02	Schweizerische Lokomotiv	Improvements in or relating to fuel nozzles for internal combustion engines
US4139158A (en) *	1975-09-01	1979-02-13	Diesel Kiki Co., Ltd.	Fuel discharge nozzle
FR2436887A1 (en) *	1978-09-22	1980-04-18	Nissan Motor	FLUID INJECTION VALVE
GB2034816A (en) *	1978-11-24	1980-06-11	Maschf Augsburg Nuernberg Ag	Multi-aperture injection nozzle for an air compression internal combustion engine
GB2057193A (en) *	1979-08-03	1981-03-25	Alfa Romeo Spa	Rapid transient fuel electroinjector
EP0197567A2 (en) *	1985-02-07	1986-10-15	WEBER S.r.l.	Electromagnetic injector for an I.C. engine
US4657189A (en) *	1985-03-13	1987-04-14	Aisan Kogyo Kabushiki Kaisha	Electromagnetic fuel injection valve for an internal combustion engine having a plurality of intake valves
WO1987007334A2 (en) *	1986-05-31	1987-12-03	Robert Bosch Gmbh	Fuel injection valve
DE8709111U1 (en) *	1987-07-01	1987-09-17	Siemens AG, 1000 Berlin und 8000 München	Injector

Also Published As

Publication number	Publication date
EP0348786A2 (en)	1990-01-03
DE58902133D1 (en)	1992-10-01
EP0348786B1 (en)	1992-08-26

Legal Events

Date	Code	Title	Description
1989-11-18	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
1990-01-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1990-07-05	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-08-22	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1991-04-10	17P	Request for examination filed	Effective date: 19910215
1991-06-12	17Q	First examination report despatched	Effective date: 19910425
1992-07-10	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-08-26	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1992-10-01	REF	Corresponds to:	Ref document number: 58902133 Country of ref document: DE Date of ref document: 19921001
1992-10-30	ET	Fr: translation filed
1992-11-17	ITF	It: translation for a ep patent filed	Owner name: STUDIO JAUMANN
1992-12-02	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1993-05-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19930518 Year of fee payment: 5
1993-06-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19930618 Year of fee payment: 5
1993-06-26	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1993-06-26	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1993-08-18	26N	No opposition filed
1993-08-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19930819 Year of fee payment: 5
1994-06-19	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19940619
1995-02-15	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19940619
1995-02-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19950228
1995-03-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19950301
1995-04-28	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2005-06-19	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050619

Publication	Publication Date	Title
GB2196181B (en)	1988-12-14	Electromagnetic injection valve
EP0296628A3 (en)	1989-09-20	Electromagnetic fuel injection valve
GB2233501B (en)	1993-05-19	Electromagnetic valve
EP0350885A3 (en)	1990-08-22	Electromagnetic fuel injection valve
AU3711189A (en)	1990-01-25	Electromagnetic valve
AU3376789A (en)	1990-01-25	Electromagnetic valve
GB2204385B (en)	1991-01-02	Electromagnetic actuable valve
DE3760187D1 (en)	1989-06-29	Electromagnetic valve
EP0345771A3 (en)	1990-09-05	Electromagnetic type fuel injection valve
EP0367114A3 (en)	1990-11-28	Three-way electromagnetic valve
GB2204516B (en)	1991-03-13	Electromagnetic valve
GB8601647D0 (en)	1986-02-26	Electromagnetic fuel injection valve
GB2224101B (en)	1992-12-16	Electromagnetic valves
GB2198814B (en)	1991-08-21	An electromagnetic valve
EP0406444A4 (en)	1991-06-05	Electromagnetic valve actuator
EP0348786A3 (en)	1990-08-22	Electromagnetic fuel-injection valve
EP0318178A3 (en)	1990-03-28	Electromagnetic valve
GB2192427B (en)	1989-12-20	Intermittently actuated electromagnetic fuel-injection valve
GB8923013D0 (en)	1989-11-29	Electromagnetic valve device
EP0401390A4 (en)	1991-06-05	Electromagnetic valve actuator
HUT59739A (en)	1992-06-29	Fuel-injecting valve may be operated electromagnetically
GB8812470D0 (en)	1988-06-29	Electromagnetic valve
GB2201292B (en)	1990-02-28	Electromagnetic valve
GB2225810B (en)	1993-02-03	Electromagnetic valve
GB8808142D0 (en)	1988-05-11	Electromagnetic valve