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:
Sep. 08, 1998
Filed:
Aug. 30, 1996
Applicant:
Inventors:
Shingo Harada, Hiroshima, JP;
Yuji Shitani, Hiroshima, JP;
Tetsuya Kyakuno, Hiroshima, JP;
Tetsuro Takaba, Hiroshima, JP;
Hidetoshi Nobumoto, Hiroshima, JP;
Kazuo Sasaki, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
477119 ; 477118 ; 477 94 ; 477901 ; 477120 ;
Abstract
An automatic transmission control system, which applies an ordinary gear shift control map set up for flat road driving and a downgrade gear shift set up for downgrade driving which has broadened range of driving conditions for lower gears, causes gear shifts according to the ordinary gear shift control map even during downward driving when an accelerator pedal is stepped on with intention of accelerating the vehicle.