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:
Apr. 09, 1991
Filed:
Dec. 08, 1988
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A stepless transmission in which travel in two different shift regions is made possible by a main transmission unit constituting a stepless transmission mechanism and an auxiliary transmission unit coupled to the stepless transmission mechanism, and in which torque ratio is capable of being varied steplessly in response to signals indicative of detected vehicle traveling conditions. The transmission is equipped with a function which improves the feeling of a speed reduction, makes possible a smooth start and provides excellent accelerability, a function which assures that the vehicle will start moving forward reliably, a function which enhances brake durability, and a function enhances safety in the event of motor malfunction.