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.

Date of Patent:
Oct. 08, 2002

Filed:

Mar. 22, 2001
Applicant:
Inventors:

Shigeji Nakano, Wako, JP;

Junji Urano, Wako, JP;

Yoichi Sato, Wako, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 4/112 ;
U.S. Cl.
CPC ...
B60K 4/112 ;
Abstract

A first side-pressure, that is supplied to cylinder of the drive pulley or to cylinder of the driven pulley as pressure determining the transmission torque capacity of continuously variable transmission mechanism , is supplied to a frictional engagement element, where it is used as the working hydraulic fluid pressure. The transmission torque capacity of the frictional engagement element is set to be somewhat lower than the transmission torque capacity of the continuously variable transmission mechanism.


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