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:
Sep. 07, 2004
Filed:
Aug. 13, 2002
Applicant:
Inventor:
Martin-Peter Bolz, Buehl, DE;
Assignee:
Robetr Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 7/50 ;
U.S. Cl.
CPC ...
H02P 7/50 ;
Abstract
In a brushless, electronically commutated direct-current machine, in particular a direct-current motor, having a multiphase stator winding ( ) and having electronic power switches ( ) that are connected in series with the winding phases ( ), in order to rapidly switch off the direct-current machine when there is at least one defective power switch ( ), a malfunction protection device is provided, which has a fuse ( ) that is electrically heated in the event of a malfunction and that has a fuse wire ( ), which carries the machine current (FIG. ).