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:
Aug. 15, 2000
Filed:
Aug. 19, 1999
Applicant:
Inventors:
Ray G Radys, Santa Monica, CA (US);
John T Hall, Woodland Hills, CA (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320138 ;
Abstract
A battery charging system for charging a battery of an electric vehicle that is coupled to a charge probe by way of a diode bridge and a fourth element capacitor. The system includes a voltage source and a plurality of battery chargers connected in parallel across the voltage source that each includes a series tank circuit and an isolation transformer. The charge probe is coupled to the isolation transformers of the parallel plurality of battery chargers. A distributed fourth element capacitor is coupled across the isolation transformers of each of the parallel plurality of battery chargers.