Control system of a continuously variable transmission for a fou

Details Control system of a continuously variable transmission for a fou Control system of a continuously variable transmission for a fou

1990-12-14

1992-10-06

Lorence, Richard

Machine element or mechanism

Rotary driven device adjustable during operation relative to...

Screw and nut adjusting means

74856, 3644241, 36442602, 180197, F16H 5966, B60T 810

Patent

active

051521911

ABSTRACT:
A belt drive continuously variable transmission of a four-wheel motor vehicle has a transmission ratio control valve which is operated in accordance with driven pulley speed. An analogous driven-pulley speed is calculated based on an analogous vehicle speed approximate to actual vehicle speed. In response to the analogous driven-pulley speed, the analogous driven pulley speed is used for operating the transmission ratio control valve instead of the driven pulley speed.

REFERENCES:
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patent: 4715467 (1987-12-01), Sakai
patent: 4825368 (1989-04-01), Itoh et al.
patent: 4926329 (1990-05-01), Stelter et al.
patent: 4987967 (1991-01-01), Kouno
patent: 4989686 (1991-02-01), Miller et al.
patent: 5002147 (1991-03-01), Tezuka et al.
patent: 5012696 (1991-05-01), Miyawaki
patent: 5046787 (1991-09-01), Kuwana et al.
patent: 5058019 (1991-10-01), Lithonhi
patent: 5097921 (1992-03-01), Tezuka

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