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:
Jul. 10, 1990
Filed:
Jun. 15, 1989
Applicant:
Inventors:
Keith B Carle, Hartland, MI (US);
Thomas Glowczewski, Washington Township, Macomb County, MI (US);
Gerald L Holbrook, Rochester Hills, MI (US);
William R Kissel, Milford, MI (US);
Maurice B Leising, Clawson, MI (US);
Michael R Lindsay, Livonia, MI (US);
Assignee:
Chrysler Corporation, Highland Park, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
731181 ;
Abstract
A method of determining the continuity of solenoids in an electronic automatic transmission system wherein a controller is programmed to determine solenoid continuity by checking for the presence of an inductive 'OFF' spike which results from an open circuit or a direct short to supply voltage from the solenoid of the solenoid-actuated valves.