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:
Aug. 18, 1981
Filed:
Jun. 04, 1980
Allan S Leonard, Livonia, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
A fluid pressure governor adapted to sense the driven speed of an automatic transmission torque output shaft and to develop a speed signal that may be used by an automatic transmission control circuit in conjunction with a torque demand or engine torque signal to control automatic ratio changes in a transmission mechanism as torque is delivered from a vehicle engine to vehicle traction wheels. Provision is made for interrupting the speed signal distribution to the control elements of the transmission mechanism when deceleration of the vehicle exceeds a critical value thus causing the transmission mechanism to downshift to higher torque ratios during rapid deceleration of the vehicle and thereby eliminating any tendency of the vehicle engine to stall or to malfunction as a result of braking of the vehicle.