EP 1664523 A1 20060607 - 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
Application
Priority
- DE 2004001624 W 20040722
- DE 10341452 A 20030909
Abstract (en)
[origin: WO2005026526A1] The invention relates to a fuel injection valve for internal combustion engines. The inventive fuel injection valve comprises an outer valve seat (107), configured in a valve body (1) and having a conical shape with an outer cone angle (a), from which at least one outer injection opening (10) branches off. An inner valve seat (207) also has a conical shape with an inner cone angle (b) and at least one inner injection opening (12) branching off. A hollow valve needle (15) is disposed inside the valve body (1) and has an outer valve face (30) with which it interacts with the outer valve seat (107), thereby controlling the opening of the at least one outer injection opening (10). A valve needle (17) is disposed inside the hollow valve needle (15) and interacts with an inner valve face (32) with the inner valve seat (207), thereby controlling the at least one inner injection opening (12). The cone angles (a; b) of the inner valve seat (207) and the outer valve seat (107) are different from each other.
IPC 1-7
IPC 8 full level
F02M 45/08 (2006.01); F02M 61/18 (2006.01)
CPC (source: EP US)
F02M 45/086 (2013.01 - EP US); F02M 61/18 (2013.01 - EP US); F02M 61/1866 (2013.01 - EP US); F02M 2200/46 (2013.01 - EP US)
Citation (search report)
See references of WO 2005026526A1
Designated contracting state (EPC)
DE FR
DOCDB simple family (publication)
WO 2005026526 A1 20050324; CN 1849449 A 20061018; DE 10341452 A1 20050331; EP 1664523 A1 20060607; US 2007029410 A1 20070208
DOCDB simple family (application)
DE 2004001624 W 20040722; CN 200480025809 A 20040722; DE 10341452 A 20030909; EP 04762474 A 20040722; US 57109906 A 20060308