The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 2010
Filed:
Dec. 22, 2005
Robert Adunka, Sulzbach-Rosenberg, DE;
Peter Hartinger, Bodenwöhr, DE;
Bardo Koppmann, Kaltenbrunn, DE;
Norbert Mitlmeier, Ursensollen, DE;
Ludwig Niebler, Laaber, DE;
Fritz Pohl, Hemhofen, DE;
Alf Wabner, Amberg, DE;
Norbert Zimmermann, Sulzbach-Rosenberg, DE;
Robert Adunka, Sulzbach-Rosenberg, DE;
Peter Hartinger, Bodenwöhr, DE;
Bardo Koppmann, Kaltenbrunn, DE;
Norbert Mitlmeier, Ursensollen, DE;
Ludwig Niebler, Laaber, DE;
Fritz Pohl, Hemhofen, DE;
Alf Wabner, Amberg, DE;
Norbert Zimmermann, Sulzbach-Rosenberg, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A method and a device are disclosed for the secure operation of a switching device including at least two main contacts which can be switched on and off and which includes respectively, contact pieces and a displaceable contact bridge, and at least one control magnet which includes a displaceable anchor. The anchor acts upon the contact bridge when it is switched on and off such that the corresponding main contact is opened or closed. At least one embodiment of the inventive method includes the following steps: a) release device for a force element remains in a first state in order to interrupt the main contact as long as the main contacts are closed when switched on and open when switched off, and b) the release device are transferred into a second state if at least the main contact is welded after switching off.