Patent · US Expired

Method for controlling an electromechanical actuator

US6648297B1 · kind B1 · utility

4Cited by

3References

9Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Stefan Butzmann · Bünde, DE
Joachim Melbert · Deisenhofen, DE

Key dates

Filing date	May 5, 2003
Grant date	Nov 18, 2003
Priority date	—
Expiry date	May 5, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH01F7/123
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In order to control an actuator, the following steps are executed in the order indicated when an armature plate is to be moved from contact with a contact surface to contact with a contact surface on an electromagnet. A predefined amount of electrical energy is supplied to the coil. The coil is controlled into a freewheeling operating state until a first condition is satisfied. A predefined second amount of electrical energy is supplied to the coil before the armature plate is resting on the contact surface of the electromagnet. The coil controlled into a freewheeling operating state until a second condition is satisfied, whose satisfaction is an indication that the armature plate (116) is resting on the contact surface of the electromagnet.

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