Transmission ratio control system for a continuously variable tr

Details Transmission ratio control system for a continuously variable tr Transmission ratio control system for a continuously variable tr

1989-10-06

1991-04-23

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

474 18, 3644241, 74867, B60K 4114

Patent

active

050091271

ABSTRACT:
A control system for a continuously variable transmission for a motor vehicle has a transmission ratio control valve for controlling the transmission ratio. The transmission ratio is controlled in accordance with a transmission ratio changing speed. The transmission ratio changing speed is corrected with a coefficient which is determined in accordance with desired transmission ratio changing speed and the difference between desired transmission ratio and actual transmission ratio.

REFERENCES:
patent: 4782934 (1988-11-01), Takano et al.
patent: 4784021 (1988-11-01), Morimoto
patent: 4794819 (1989-01-01), Tanaka et al.
patent: 4827803 (1989-05-01), Miyawaki
patent: 4843913 (1989-07-01), Miyawaki
patent: 4850935 (1989-07-01), Morimoto
patent: 4909103 (1990-03-01), Morimoto

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