Patent · US Expired

Device and method for controlling at least one capacitive actuator

US5986360A · kind A · utility

10Cited by

7References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Hartmut Gerken · Nittendorf, DE
Christian Hoffmann · Leonberg, DE
Hellmut Freudenberg · Bad Abbach, DE
Richard Pirkl · Regensburg, DE
Martin Hecker · Laimerstadt, DE

Key dates

Filing date	Aug 12, 1998
Grant date	Nov 16, 1999
Priority date	—
Expiry date	Aug 12, 2018

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2200/21
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

One or more capacitive actuators are controlled by a device that charges the actuators via a capacitor and from a switched mode power supply SMPS that operates according to the flyback converter principle. The secondary coil of the switched mode power supply functions as the charging coil and the discharging coil, i.e., it simultaneously undertakes the function of the large, heavy charging coil. This saves space and weight.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.