EP 1794431 A1 20070613 - DEVICE AND METHOD FOR TRIGGERING A PIEZO ACTUATOR
Title (en)
DEVICE AND METHOD FOR TRIGGERING A PIEZO ACTUATOR
Title (de)
VORRICHTUNG UND VERFAHREN ZUM ANSTEUERN EINES PIEZOAKTORS
Title (fr)
DISPOSITIF ET PROCEDE POUR COMMANDER UN ACTIONNEUR PIEZO-ELECTRIQUE
Publication
Application
Priority
- EP 2005053527 W 20050720
- DE 102004047961 A 20041001
Abstract (en)
[origin: WO2006037670A1] Disclosed are a device and a method for triggering a piezo actuator by means of a DC/DC converter supplying a great distribution voltage at the output end, said distribution voltage being applied to a series connection encompassing a high-side switching transistor and a low-side switching transistor. A series connection comprising a high inductance coil and the piezo actuator that is to be triggered is disposed between the junction of the two switching transistors and the reference potential. An excitation signal having a predefined pulse duty factor (effective voltage) and a predefined switching frequency is applied to the junction in order to charge or discharge the piezo actuator.
IPC 8 full level
F02D 41/20 (2006.01); H02M 7/5387 (2007.01); H10N 30/80 (2023.01)
CPC (source: EP US)
F02D 41/2096 (2013.01 - EP US); H02N 2/067 (2013.01 - EP US); F02D 41/221 (2013.01 - EP US); F02D 2041/2003 (2013.01 - EP US); F02D 2400/14 (2013.01 - EP US)
Citation (examination)
- US 5095256 A 19920310 - UEYAMA SHUJIRO [JP], et al
- EP 1138903 A1 20011004 - BOSCH GMBH ROBERT [DE]
- See also references of WO 2006037670A1
Designated contracting state (EPC)
DE FR
DOCDB simple family (publication)
WO 2006037670 A1 20060413; DE 102004047961 A1 20060518; EP 1794431 A1 20070613; US 2008088262 A1 20080417
DOCDB simple family (application)
EP 2005053527 W 20050720; DE 102004047961 A 20041001; EP 05761184 A 20050720; US 66449205 A 20050720