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:
Jun. 13, 2017
Filed:
Jul. 16, 2015
GM Global Technology Operations Llc, Detroit, MI (US);
Joel H. Gunderson, Canton, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A park gear and pawl assembly for a vehicle transmission includes a park gear, a hydraulic control passage, a park pawl, a hydraulic pump, an abutment assembly, a park rod, and a hydraulic actuator. The park gear is fixed for common rotation to an output shaft of the transmission. The hydraulic passage is integrated into a housing of the transmission. The park pawl is engaged with the park gear when the park pawl is in a first position. The hydraulic pump includes an input member and output port. The input member is drivingly connected to the output shaft of the transmission and the output port is in communication with the hydraulic. The park rod at least partially disposed in the abutment assembly. The hydraulic actuator axially actuated via hydraulic fluid pressure in the hydraulic passage.