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:
Sep. 27, 2016
Filed:
Dec. 16, 2014
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Rodwan T. Adra, Peoria, IL (US);
Edward L. Zwilling, Washington, IL (US);
Thomas M. Baker, Peoria, IL (US);
William J. Tate, Dunlap, IL (US);
Eric M. Andris, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H02P 3/12 (2006.01); H02P 3/22 (2006.01); H02P 27/06 (2006.01);
U.S. Cl.
CPC ...
H02P 3/22 (2013.01); H02P 27/06 (2013.01);
Abstract
A motor driver for driving a motor is disclosed. The motor driver has a first power bus, a first switching device coupled between the first power bus and a first terminal of the motor, a second power bus, a second switching device coupled between the second power bus and a second terminal of the motor, and an integrated braking chopper coupled between the first and second power buses. The integrated braking chopper is configured to dissipate an extra power generated by the motor.