Global Patent Index - EP 0980474 A1

EP 0980474 A1 2000-02-23 - FUEL INJECTOR FOR AUTO-IGNITION INTERNAL COMBUSTION ENGINES

Title (en)

FUEL INJECTOR FOR AUTO-IGNITION INTERNAL COMBUSTION ENGINES

Title (de)

KRAFTSTOFFEINSPRITZDÜSE FÜR SELBSTZÜNDENDE BRENNKRAFTMASCHINEN

Title (fr)

INJECTEUR DE CARBURANT POUR MOTEURS A COMBUSTION INTERNE A AUTO-ALLUMAGE

Publication

EP 0980474 A1 (DE)

Application

EP 98936237 A

Priority

  • DE 9801696 W
  • DE 19755057 A

Abstract (en)

[origin: DE19755057A1] The invention relates to a fuel injector for auto-ignition internal combustion engines. Said injector comprises a body (30) with a conical seat surface (32) from which injection openings (34) originate. It also comprises a valve needle which is slidably guided in the entry zone of the blind bore, through a guiding section, against a closing force and against the direction of fuel flow. The valve needle has a closing cone (12) disposed at the end of a valve spindle connected to the guiding section and co-operating with the seat surface (32). The valve spindle (10) circumferentially defines an annular space (40) for fuel feeding. The inventive injector is characterised in that a throttle device with a variable throttle cross section is placed in the transition zone between the valve spindle (10) and the closing cone (20). Said throttle device allows for a varying amount of injected fuel, depending on the axial displacement of the valve needle.

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

F02M 45/12; F02M 61/10

IPC 8 full level (invention and additional information)

F02M 45/00 (2006.01); F02M 45/12 (2006.01); F02M 61/10 (2006.01); F02M 61/18 (2006.01)

CPC (invention and additional information)

F02M 61/1873 (2013.01); F02M 45/00 (2013.01); F02M 45/12 (2013.01); F02M 61/10 (2013.01); F02M 61/18 (2013.01); F02M 2200/28 (2013.01)

Citation (search report)

See references of WO 9930028A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

DE 19755057 A1 19990617; EP 0980474 A1 20000223; EP 0980474 B1 20031203; JP 2001511231 A 20010807; JP 4223077 B2 20090212; US 6257506 B1 20010710; WO 9930028 A1 19990617

INPADOC legal status


2017-04-28 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20160630

2017-04-28 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DE

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20170103

2017-03-31 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20170228

2017-01-03 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

- Document: DE 59810346

2015-10-30 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20150804

- Year of fee payment: 18

2015-08-31 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: FR

- Payment date: 20150623

- Year of fee payment: 18

2015-06-23 [REG FR PLFP] FEE PAYMENT

- Year of fee payment: 18

2004-11-24 [26N] NO OPPOSITION FILED

- Effective date: 20040906

2004-08-06 [ET] FR: TRANSLATION FILED

2004-06-02 [GBV] GB: EP PATENT (UK) TREATED AS ALWAYS HAVING BEEN VOID IN ACCORDANCE WITH GB SECTION 77(7)/1977

- Effective date: 20031203

2004-01-15 [REF] CORRESPONDS TO:

- Document: DE 59810346 P 20040115

2003-12-03 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB

2003-12-03 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2003-12-03 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20031203

2002-11-20 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021008

2000-02-23 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991217

2000-02-23 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB