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:
Nov. 04, 2014
Filed:
Apr. 01, 2011
Tim Bruckhaus, Asperg, DE;
Tim Bruckhaus, Asperg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for dealing with faults in an electrical drive system having an electrical machine and a pulse-controlled inverter which has a first and a second supply connection, the method including the steps of: detecting a first fault in the electrical drive system; selecting a first of a large number of circuit states () of the pulse-controlled inverter according to the detected first fault; and driving the pulse-controlled inverter to set the first circuit state (), with the circuit states () including a short circuit () between the power connections of the electrical machine and the first supply connection, a short circuit () between the power connections of the electrical machine and the second power connection, and a free-running mode ().