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:
Nov. 16, 2010
Filed:
Jul. 31, 2007
Applicants:
Robert W. Lindsey, Washington, IL (US);
Robert R. Sychra, Washington, IL (US);
Inventors:
Robert W. Lindsey, Washington, IL (US);
Robert R. Sychra, Washington, IL (US);
Assignee:
Caterpillar Inc, Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); H02H 3/04 (2006.01); H02K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A control system is disclosed. The control system has an electric machine coupled to provide power to or receive power from a DC bus and a controller in communication with the electric machine and the DC bus. The controller is configured to receive a voltage from the DC bus, compare the voltage from the DC bus to a characteristic indicative of a fault of at least one winding of the electric machine, and take a precaution based on the comparison.