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:
Oct. 29, 2013
Filed:
Sep. 14, 2009
Applicant:
James J. Dean, Minnesota City, MN (US);
Inventor:
James J. Dean, Minnesota City, MN (US);
Assignee:
Kelsey-Hayes Company, Livonia, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
H02P 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided for controlling a position of an electric dc brush motor () including the steps of supplying drive current () to drive the electric motor and calculating () a coast constant for the motor. Current through the motor is monitored () and motor speed () is determined in response to monitored motor current. Electrical current to the motor is interrupted () in response to the calculated coast constant () and motor speed when it is desired to stop the electric motor so that a brush of the motor will come to rest at a location on a commutator segment of the motor ().