EP 1884654 B1 20090318 - Piezo-actuator-unit for an injector
Title (en)
Piezo-actuator-unit for an injector
Title (de)
Piezoaktoreinheit für ein Einspritzventil
Title (fr)
Unité d'actionnement piezo pour un injecteur
Publication
Application
Priority
EP 06015489 A 20060725
Abstract (en)
[origin: EP1884654A1] A piezo-actuator-unit (6) for an injector comprises a piezo-element (26) and a tube-shaped housing (20) which takes in the piezo-element (26) A top portion (24) of the tube-shaped housing (20) is coupled to a first axial end of the piezo-element (26). A bottom portion (22) of the tube-shaped housing (20) has a needle recess (23) and is coupled to a second axial end of the piezo-element (26). A needle body (8) protrudes from the needle recess (23) and is axially coupled to the piezo-element (26). An actuator spring (28) is axially coupled to the piezo-element (26) and the bottom portion (22) of the tube-shaped housing (20) for forcing the piezo-element (26) away from the bottom portion (22) of the tube-shaped housing (20).
IPC 8 full level
F02M 51/06 (2006.01)
CPC (source: EP)
F02M 51/005 (2013.01); F02M 51/0603 (2013.01); F02M 61/167 (2013.01); F02M 63/0031 (2013.01)
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
EP 1884654 A1 20080206; EP 1884654 B1 20090318; DE 602006005809 D1 20090430
DOCDB simple family (application)
EP 06015489 A 20060725; DE 602006005809 T 20060725