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. 24, 2015
Filed:
Oct. 25, 2012
Applicant:
Regal Beloit America, Inc., Beloit, WI (US);
Inventors:
Roger Carlos Becerra, Fort Wayne, IN (US);
Yao Da, Fort Wayne, IN (US);
David Allen Clendenen, Fort Wayne, IN (US);
Assignee:
Regal Beloit America, Inc., Beloit, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Protection of a motor controller from a transient voltage and/or an over-voltage condition is described. A drive circuit includes a rectifier portion and at least one inductive device coupled to the rectifier portion. The drive circuit further includes at least one voltage clamping device coupled in parallel with the at least one inductive device, and at least one switching device configured to open as a function of a direct current (DC) link voltage value.