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. 11, 1983
Filed:
Aug. 18, 1980
Applicant:
Inventors:
Kouzi Kobayashi, Toyota, JP;
Keizo Kobayashi, Anjo, JP;
Assignee:
Aisin-Warner Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60K / ; F16D / ;
U.S. Cl.
CPC ...
192-33 ; 74867 ;
Abstract
A control apparatus for a torque converter direct coupling clutch in an automatic transmission of a type which permits the shift pattern selectively to be switched over between the three forward speed shift ranges and four forward speed shift ranges according to the desire of a car driver, wherein the improved control apparatus controls the torque converter direct coupling clutch so as to be engaged at the highest speed gear ratio (shift range) in each shift pattern gear ranges.