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:
Jun. 21, 2011
Filed:
Apr. 15, 2009
Applicants:
Navid R. Zargari, Cambridge, CA;
Zhongyuan Cheng, Cambridge, CA;
Angelo R. Bortolus, Mississauga, CA;
Inventors:
Navid R. Zargari, Cambridge, CA;
Zhongyuan Cheng, Cambridge, CA;
Angelo R. Bortolus, Mississauga, CA;
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Self-powered supplies with on-board diagnostics are presented for powering a power converter switch driver with power obtained from an associated snubber circuit, including a first converter stage with a full bridge rectifier with a crowbar circuit creating a first DC bus and a second stage with an isolated DC to DC converter, and on-board diagnostics to indicate snubber failures and abnormal conditions of the self-powered supply.