Global Patent Index - EP 0975866 A1

EP 0975866 A1 2000-02-02 - FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES

Title (en)

FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES

Title (de)

KRAFTSTOFFEINSPRITZVENTIL FÜR BRENNKRAFTMASCHINEN

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT POUR MOTEUR A COMBUSTION INTERNE

Publication

EP 0975866 A1 (DE)

Application

EP 98965574 A

Priority

  • DE 9803387 W
  • DE 19802244 A

Abstract (en)

[origin: DE19802244A1] A fuel injection valve for IC engines has a housing (1) that has a supply for fuel from a high pressure fuel source plus an injection needle guided in the housing that works with a sealing face located at its one end with a valve seat in the housing. Thereby the needle controls a connection between a pressure chamber permanently connected to the supply and at least one injection opening. At its other end it is exposed directly to the pressure in a control pressure chamber (7) bounded by a movable wall (6) via a Z- throttle (8) permanently connected to the supply (5) in a cylinder (4). The movable wall is in working connection with the injection needle. From the control pressure chamber, a relief pipe containing a drain throttle (26) leads away, whose outlet is controlled in a relief chamber by a solenoid valve (29). Its valve member (45,50) is connected with an armature (40) and is guided in an insert (10) which accommodates the valve seat (28) of the solenoid valve, the relief pipe with drain throttle and the control pressure chamber. It is tensioned by the housing of the solenoid valve with the housing of the fuel injection valve. The insert additionally accommodates the cylinder with the movable wall.

IPC 1-7 (main, further and additional classification)

F02M 47/02

IPC 8 full level (invention and additional information)

F02M 47/00 (2006.01); F02M 47/02 (2006.01); F02M 61/16 (2006.01); F02M 63/00 (2006.01)

CPC (invention and additional information)

F02M 63/0031 (2013.01); F02M 47/027 (2013.01); F02M 61/168 (2013.01); F02M 2547/003 (2013.01)

Citation (search report)

See references of WO 9937909A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19802244 A1 19990729; EP 0975866 A1 20000202; EP 0975866 B1 20031105; JP 2001516426 A 20010925; JP 4260228 B2 20090430; US 6302087 B1 20011016; WO 9937909 A1 19990729

INPADOC legal status


2017-07-26 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20161117

2017-06-01 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

- Document: DE 59810087

2016-04-29 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20160126

- Year of fee payment: 18

2016-02-29 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: FR

- Payment date: 20151124

- Year of fee payment: 18

2016-01-29 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Payment date: 20151123

- Year of fee payment: 18

2016-01-29 [PGFP IT] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Payment date: 20151124

- Year of fee payment: 18

2015-11-24 [REG FR PLFP] FEE PAYMENT

- Year of fee payment: 18

2004-10-27 [26N] NO OPPOSITION FILED

- Effective date: 20040806

2004-07-16 [ET] FR: TRANSLATION FILED

2004-03-03 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20040211

2003-12-11 [REF] CORRESPONDS TO:

- Document: DE 59810087 P 20031211

2003-11-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB IT

2003-11-05 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2002-09-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020724

2000-03-29 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000131

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT