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:
Jan. 25, 1983
Filed:
Jul. 03, 1980
Charles W Lewis, Wayne, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
A control system for an automatic power transmission for an automotive vehicle driveline comprising a throttle valve assembly for producing a pressure signal that is related in magnitude to the operator's demand for engine torque, said signal being used to regulate control pressure from a control pressure source and to trigger operation of automatic shift valves that in turn control actuation and release of the transmission clutches and brakes that effect ratio changes, the throttle valve system including a means for effecting an automatic manual adjustment of the operating pressure level for the throttle valve pressure signal thereby making it possible to effect a desired control pressure operating range and a desired shift point control for the control system.