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:
May. 19, 2015
Filed:
Oct. 21, 2009
Michael P. Fannin, Brighton, MI (US);
John A. Diemer, Farmington Hills, MI (US);
Douglas John Dwenger, Plymouth, MI (US);
Brian W. Whitmarsh, Commerce, MI (US);
Michael P. Fannin, Brighton, MI (US);
John A. Diemer, Farmington Hills, MI (US);
Douglas John Dwenger, Plymouth, MI (US);
Brian W. Whitmarsh, Commerce, MI (US);
GM Global Technology Operations, LLC, Detroit, MI (US);
Abstract
An integrated control valve body and hydraulic pump for an automatic transmission includes a control valve body having a plurality of control valves and passageways and an internal cavity having an inlet and an outlet, a pump rotor received within the internal cavity and having a plurality of radially and axially extending slots, radially moveable vanes and a shaft, and a device for transferring drive energy from a drive shaft extending between an output of a torque converter and an input of the transmission to the shaft of the hydraulic pump. The device for transferring drive energy may be a pair of chain sprockets and a chain, a pair of spur or helical gears or other inter-axis power transfer components and may affect a speed increase or reduction.