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:
Jan. 20, 2015
Filed:
May. 02, 2011
Jeremy B. Campbell, Torrance, CA (US);
Mark Andrew Steffka, Canton, MI (US);
Nicholas Hayden Herron, Redondo Beach, CA (US);
Jeremy B. Campbell, Torrance, CA (US);
Mark Andrew Steffka, Canton, MI (US);
Nicholas Hayden Herron, Redondo Beach, CA (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
In accordance with exemplary embodiments, a drive system is provided for an electric or hybrid electric vehicle that provides reduces electromagnetic emissions. The system includes, but is not limited to, an electric motor and a transmission having a collar for receiving a portion of a drive shaft. The collar has an inside diameter proportioned to an outside diameter of the drive shaft to cause capacitive coupling between the transmission and the drive shaft thereby reducing electromagnetic emissions along the drive shaft.