Title:
圧電アクチュエータの制御装置及び方法
Document Type and Number:
Japanese Patent JP3587858
Kind Code:
B2
Abstract:
A device and a method for driving at least one capacitive actuator, in particular a piezoelectrically operated fuel injection valve of an internal combustion engine, by a microprocessor-controlled control circuit. The device has a charging capacitor which can be recharged by an energy source, which charges the at least one actuator via switches controlled by the control circuit, and into which the actuator is discharged again.
Inventors:
Christian hoffman
Helmut Freudenberg
Hartmut Gelken
Georg Brassoyer
Richard Pilkul
Helmut Freudenberg
Hartmut Gelken
Georg Brassoyer
Richard Pilkul
Application Number:
JP50928798A
Publication Date:
November 10, 2004
Filing Date:
August 05, 1997
Export Citation:
Assignee:
Siemens Aktiengesellschaft
International Classes:
F02D41/20; H01L41/00; H01L41/04; H02N2/06; (IPC1-7): H01L41/09; F02M51/06; H02N2/00
Domestic Patent References:
| JP6177449A | ||||
| JP6221210A | ||||
| JP450447A | ||||
| JP62248851A |
Attorney, Agent or Firm:
Takuya Kuno
Toshiomi Yamazaki
Toshiomi Yamazaki