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:
Feb. 06, 2018
Filed:
Jul. 25, 2016
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Henning Hermes, Wolfach, DE;
Florian Schmitt, Winnenden, DE;
Ulrich Foerch, Ludwigsburg, DE;
Udo Schulz, Vaihingen/Enz, DE;
Tobias Friedl, Filderstadt, DE;
Ulf Mueller, Schwieberdingen, DE;
Achim Jenne, Oberaichen, DE;
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/20 (2006.01); H02P 9/00 (2006.01);
U.S. Cl.
CPC ...
G01D 5/20 (2013.01); G01D 5/2006 (2013.01); H02P 9/009 (2013.01);
Abstract
A method for ascertaining a position of a rotor relative to a stator of an electrical machine having a permanently excited rotor and a plurality of windings for the stator or vice versa; in response to an energization of at least one of the windings, a change in an inductance of the winding being ascertained; and, on the basis of the change in the inductance of the winding, the position of the rotor being ascertained relative to the stator.