Ratio change control for transmission

Details Ratio change control for transmission Ratio change control for transmission

1990-07-27

1991-06-04

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Load responsive

474 70, F16H 6102

Patent

active

050210319

ABSTRACT:
A hybrid continuously variable transmission includes a gearing mechanism and a continuously variable transmission mechanism which altenatively take over a drive. According to a ratio change control system, the continuously variable transmission mechanism is prevented from shifting operation until a transition from a drive owing to the gearing mechanism to a drive owing to the continuously variable transmission mechanism is completed.

REFERENCES:
patent: 4682518 (1987-07-01), Takada et al.
patent: 4735113 (1988-04-01), Yamamuro et al.
patent: 4819514 (1989-04-01), Yamamuro et al.
patent: 4853858 (1989-08-01), Kumura
patent: 4895552 (1990-01-01), Abo et al.
patent: 4907471 (1990-03-01), Ishimaru

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