Global Patent Index - EP 1045978 A1

EP 1045978 A1 2000-10-25 - 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 MOTEURS A COMBUSTION INTERNE

Publication

EP 1045978 A1 (DE)

Application

EP 99938166 A

Priority

  • DE 9901705 W
  • DE 19843344 A

Abstract (en)

[origin: DE19843344A1] The valve sealing surface (9) controls the fuel through passage to at least one injection aperture (13) issuing in the engine combustion chamber. The valve sealing surface also works in conjunction with a valve seat (11) at the combustion chamber-side end of the bore (5). In the guide surface (23) of the valve member (7) a number of recesses are provided, which center the valve member hydraulically in the bore (5). The recesses are formed as grooves (25) running crossways to the axis of the valve member. The grooves have a radially formed cross-section, the radius being preferably 0.1 mm.

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

F02M 61/16; F02M 61/10

IPC 8 full level (invention and additional information)

F02M 61/10 (2006.01); F02M 61/12 (2006.01); F02M 61/16 (2006.01); F02M 61/18 (2006.01)

CPC (invention and additional information)

F02M 61/12 (2013.01); F02M 61/10 (2013.01); F02M 61/16 (2013.01)

Citation (search report)

See references of WO 0017512A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19843344 A1 20000323; EP 1045978 A1 20001025; EP 1045978 B1 20040407; JP 2002525488 A 20020813; US 6283389 B1 20010904; WO 0017512 A1 20000330

INPADOC legal status


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2005-03-30 [26N] NO OPPOSITION FILED

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2004-12-31 [ET] FR: TRANSLATION FILED

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