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:
Dec. 02, 1997
Filed:
Jan. 23, 1997
Applicant:
Inventor:
Peter J Giles, Ypsilanti, MI (US);
Assignee:
Ford Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ; G01M / ;
U.S. Cl.
CPC ...
731181 ; 340453 ; 36442408 ;
Abstract
A method for testing the application of a torque converter clutch in vehicle having an electronic control unit and a driveline system including an engine, a transmission, a torque converter operating to transfer engine torque to the transmission, a torque converter clutch having an applied state, and a solenoid to change the commanded apply state of the clutch. The test includes determining the state of the solenoid, determining the applied state of the clutch, commanding a change in the applied state of the clutch, and determining the time for the clutch to change applied state.