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:
Apr. 21, 2020
Filed:
Apr. 12, 2017
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02P 3/18 (2006.01); B60L 7/22 (2006.01); H02J 7/00 (2006.01); B60L 3/00 (2019.01); H02P 27/06 (2006.01);
U.S. Cl.
CPC ...
H02P 3/18 (2013.01); B60L 3/003 (2013.01); B60L 7/22 (2013.01); H02J 7/0031 (2013.01); H02P 27/06 (2013.01);
Abstract
A device for operating an electric machine, it being possible for the electric machine to be at least operated in generator mode, having an electrical energy accumulator that is connected to the electric machine by an electrical circuit that has a main switch; the circuit having a motor brake circuit that is designed to feed the electrical energy generated by the electric machine in generator mode to the energy accumulator. It is provided that the motor brake circuit be designed to convert the electrical energy into heat in the case of a failure of the main switch, of a connection of the circuit to the energy accumulator and/or of the energy accumulator itself.