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:
Dec. 30, 2014
Filed:
Jul. 30, 2013
GM Global Technology Operations Llc, Detroit, MI (US);
Frederick P. Miesterfeld, Rochester Hills, MI (US);
Orson S. Wang, Novi, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A controller can execute a method to reduce a speed of a vehicle by initiating a vehicle stop request in response to a vehicle signal received while the vehicle is in motion. The method includes: (a) applying a wheel brake in response to initiation of the vehicle stop request when the vehicle is moving at a vehicle speed less than or equal to a first vehicle speed threshold in order to reduce the vehicle speed; and (b) actuating a parking sprag assembly to stop rotation of an output member of a transmission when the vehicle speed is equal to or less than a second vehicle speed threshold. By example, the vehicle signal may be a park signal, an engine off signal, or a plurality of signals defining a condition set. The wheel brake may be at least one of an electronic park brake and a service brake.