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:
Apr. 07, 2015
Filed:
Jan. 10, 2013
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Ramakrishna Dontha, Columbus, IN (US);
Daniel E. Boewe, Columbus, IN (US);
Niraj Desai, Columbus, IN (US);
Hari Donepudi, Columbus, IN (US);
Mike Menkedick, Greensburg, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/00 (2006.01); H02P 29/02 (2006.01); H02P 6/04 (2006.01);
U.S. Cl.
CPC ...
H02P 7/00 (2013.01); H02P 29/028 (2013.01); H02P 2006/045 (2013.01);
Abstract
A system comprising an actuator and a controller configured to drive the actuator with a pulse width modulated (PWM) signal. The controller is configured to limit a duty cycle of the PWM signal in response to a current supplied by the PWM signal.