Global Patent Index - EP 1092089 A1

EP 1092089 A1 2001-04-18 - FUEL INJECTION VALVE AND METHOD FOR ACTIVATING THE SAME

Title (en)

FUEL INJECTION VALVE AND METHOD FOR ACTIVATING THE SAME

Title (de)

BRENNSTOFFEINSPRITZVENTIL UND VERFAHREN ZU DESSEN BETÄTIGUNG

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT ET SON PROCEDE D'ACTIONNEMENT

Publication

EP 1092089 A1 (DE)

Application

EP 99964389 A

Priority

  • DE 9903867 W
  • DE 19918976 A

Abstract (en)

[origin: DE19918976A1] The invention relates to a fuel injection valve (1), especially an injection valve for fuel injection systems of internal combustion engines. The inventive fuel injection valve has a first piezoelectric or magnetorestrictive actuator (14), a valve closing body (8), which can be activated by said first actuator by means of a valve needle (7) and which interacts with a valve seat surface (8) to form a tight seat, and a second piezoelectric or magnetorestrictive actuator (15), which acts on the valve needle in the opposite way to the first actuator (14). The actuators (14, 15) are interconnected by a bearing element (11) that is mounted in a fixed position in the fuel injection valve (1).

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

F02M 51/06

IPC 8 full level (invention and additional information)

F02M 51/06 (2006.01); H01L 41/09 (2006.01); H01L 41/12 (2006.01); F02M 63/00 (2006.01)

CPC (invention and additional information)

F02M 51/0603 (2013.01)

Citation (search report)

See references of WO 0065224A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19918976 A1 20001102; EP 1092089 A1 20010418; EP 1092089 B1 20041103; JP 2002543329 A 20021217; JP 4469507 B2 20100526; US 6749126 B1 20040615; WO 0065224 A1 20001102

INPADOC legal status


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