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. 15, 2005
Filed:
Aug. 19, 2003
Applicants:
Keming A. Chen, Torrance, CA (US);
James F. Lazar, Moorpark, CA (US);
Lateef A. Kajouke, San Pedro, CA (US);
Inventors:
Keming A. Chen, Torrance, CA (US);
James F. Lazar, Moorpark, CA (US);
Lateef A. Kajouke, San Pedro, CA (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M003/335 ; H02M007/44 ; H02M003/24 ;
U.S. Cl.
CPC ...
Abstract
A DC/DC converter includes a first leg and a second leg. A controller employs hard switching in the first leg to reduce the conduction loss. The controller employs zero voltage in the second leg to reduce the switching loss.