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:
May. 21, 2013
Filed:
Jun. 17, 2010
Brian a Welchko, Torrance, CA (US);
Konstantin S. Majarov, Torrance, CA (US);
Silva Hiti, Redondo Beach, CA (US);
Steven E. Schulz, Torrance, CA (US);
Aniket Kothari, Southfield, MI (US);
Nicholas Kokotovich, Troy, MI (US);
Brian A Welchko, Torrance, CA (US);
Konstantin S. Majarov, Torrance, CA (US);
Silva Hiti, Redondo Beach, CA (US);
Steven E. Schulz, Torrance, CA (US);
Aniket Kothari, Southfield, MI (US);
Nicholas Kokotovich, Troy, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first mode of operation and a second mode of operation during the deceleration of the electric motor. In the first mode of operation, each of the plurality of high switches is activated and each of the plurality of low switches is deactivated or each of the plurality of low switches is activated and each of the plurality of high switches is deactivated. In the second mode of operation, each of the plurality of high switches is deactivated and each of the plurality of low switches is deactivated.