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:
Mar. 20, 2007
Filed:
Jun. 22, 2004
Ananthakrishnan Surianarayanan, Lansdale, PA (US);
David R. Sosnowski, Lake Orion, MI (US);
Mark L. Dell′ Eva, Grand Blanc, MI (US);
Peter M. Jacobsen, Oakland Township, MI (US);
Eric O. Barrows, Romeo, MI (US);
Ananthakrishnan Surianarayanan, Lansdale, PA (US);
David R. Sosnowski, Lake Orion, MI (US);
Mark L. Dell′ Eva, Grand Blanc, MI (US);
Peter M. Jacobsen, Oakland Township, MI (US);
Eric O. Barrows, Romeo, MI (US);
Eaton Corporation, Cleveland, OH (US);
Abstract
A system for controlling pressure in a transmission comprises a transmission control unit, a valve controller that receives a desired pressure as input from the transmission control unit, a valve driver, a valve that regulates an amount of fluid in a transmission clutch, and a pressure transducer that reads a pressure in the transmission clutch and outputs a pressure reading to the valve controller, wherein the valve controller comprises logic for outputting to the valve driver an instruction for controlling the valve, the instruction being formulated using the desired pressure and the pressure reading.