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:
Sep. 16, 2014
Filed:
Oct. 31, 2012
Applicant:
Quantum Fuel Systems Technologies Worldwide Inc., Lake Forest, CA (US);
Inventor:
Fred Flett, Indio, CA (US);
Assignee:
Quantum Fuel Systems Technologies Worldwide, Inc., Clinton Township, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 11/18 (2006.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1803 (2013.01); H02P 27/08 (2013.01);
Abstract
A combined battery charger and motor driver circuit assembly includes a rechargeable battery, a traction motor configured to accept a pulse-width-modulated (PWM) drive, a PNP transistor array, a charging source of chopped and rectified DC, and a control circuit configured to apply a discrete PWM drive signal to the gate of each transistor in the PNP transistor array.