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:
May. 16, 2000
Filed:
Aug. 25, 1998
Applicant:
Inventors:
Hidetoshi Nobumoto, Hiroshima, JP;
Hisanori Nakane, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
477 41 ;
Abstract
A control system for a continuously variable transmission continuously varies a gear ratio according to predetermined control patterns specified according to engine speeds and loadings, each predetermined control pattern including two separate sections, one of which is used only during acceleration of the vehicle and another of which is used only during deceleration of the vehicle, for a specified band of vehicle speeds within which a specific vehicle speed at which power transmission paths are switched over from one to another.