System for the transmission ratio of a continuously variable tra

Details System for the transmission ratio of a continuously variable tra System for the transmission ratio of a continuously variable tra

1986-09-26

1988-03-15

Wright, Dirk

Machine element or mechanism

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

Preselected indexed position

3644241, B60K 4118, B60K 4112

Patent

active

047305185

ABSTRACT:
A control system for a motor vehicle provided with a continuously variable transmission which has a transmission ratio control valve having a spool for controlling the transmission ratio. During the acceleration of the vehicle, the transmission ratio is quickly reduced in a low vehicle speed range, whereby speed of an engine is kept low compared with a high vehicle speed range.

REFERENCES:
patent: 4369675 (1983-01-01), van Deursen
patent: 4543855 (1985-10-01), Oetting et al.
patent: 4584907 (1986-04-01), Niwa et al.
patent: 4590561 (1986-05-01), Abo et al.
patent: 4603602 (1986-08-01), Tanaka et al.
patent: 4612827 (1986-09-01), Omitsu
patent: 4622865 (1986-11-01), Itoh et al.

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