Continuously variable transmission

Details Continuously variable transmission Continuously variable transmission

1997-11-07

1999-03-30

Wright, Dirk

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

Nonplanetary transmission is friction gearing

F16H 3702

Patent

active

058881603

ABSTRACT:
A load applied to the constituent member of a toroidal type continuously variable transmission is mitigated to thereby improve the durability thereof. During low speed running, a clutch for low speed is connected and a clutch for high speed and a clutch for backward movement are disconnected. During high speed running, the clutch for high speed is connected and the clutch for low speed and the clutch for backward movement are disconnected. During the high speed running, a torque is applied to the output side disc of the toroidal type continuously variable transmission. This torque becomes smaller as the transmission ratio as a whole is displaced to the high speed side. Correspondingly thereto, the load applied to the constituent member of the toroidal type continuously variable transmission can be mitigated.

REFERENCES:
patent: 3244025 (1966-04-01), Francisco
patent: 4628766 (1986-12-01), De Brie Perry
patent: 4691592 (1987-09-01), De Brie Perry
patent: 4872371 (1989-10-01), Fellows
patent: 5238460 (1993-08-01), Esaki et al.
patent: 5453061 (1995-09-01), Fellows
patent: 5820510 (1998-10-01), Ueda et al.

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