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:
Dec. 11, 2018
Filed:
May. 07, 2014
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Roland Kurz, Leonberg, DE;
Thomas Herges, Eberdingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/34 (2006.01);
U.S. Cl.
CPC ...
G01R 31/34 (2013.01); G01R 31/343 (2013.01);
Abstract
A method and a corresponding system for detecting a malfunction in an electric drive unit. The method comprises the following steps: ascertain (S) a current flow characteristic () of an electric drive unit; detect (S) a gradient change in the current flow characteristic () at a first point in time (t=n); compare (S, S) the gradient change with a predefinable gradient change range; establish (S) a malfunction in the electric drive unit if the gradient change is outside the predefinable gradient change range.