Continuously variable transmission

Details Continuously variable transmission Continuously variable transmission

2007-05-25

2009-10-13

Estremsky, Sherry L (Department: 3655)

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

Nonplanetary transmission is friction gearing

Reexamination Certificate

active

07601088

ABSTRACT:
A control unit is imparted a function in which the engagement of a high-speed clutch which had been in disengagement until then is started (or the energization of a high-speed clutch solenoid switch valve is put to ON) before a change-speed of a toroidal continuously variable transmission has reached an optimal value for performance of a mode switch (a point A, for example, 0.46 in a speed increasing ratio) or at a point B (for example, 0.6 in the speed increasing ratio). As a result of this, the problem can be solved.

REFERENCES:
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Supplement Volume to Red Badge Series 245/A Book Teaches Latest Mechanisms of Motor Vehicles, pp. 92-93, Motoo Aoyama, published by Sansuisha Co., Ltd.,/Kodansha Co., Ltd., Dec. 20, 2001.
Toroidal CVT, Hirohisa Tanaka, published by Corona-sha Co., Ltd., Jul. 13, 2000.

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