Hydraulic control system for continuously variable V-belt transm

Details Hydraulic control system for continuously variable V-belt transm Hydraulic control system for continuously variable V-belt transm

1982-03-26

1985-05-28

Braun, Leslie A.

Endless belt power transmission systems or components

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

Load responsive

474 28, 474 70, F16H 1106

Patent

active

045197903

ABSTRACT:
A hydraulic control system disclosed herein comprises a line pressure regulator valve which regulates the fluid supplied from a pump to provide a line pressure variable at least depending upon output torque of the engine. The line pressure is supplied to a shift control valve which regulates the fluid supply to and discharge from cylinder chambers of drive and driven pulleys.

REFERENCES:
patent: 3200666 (1965-08-01), Schrodt et al.
patent: 3596528 (1971-08-01), Dittrich et al.
patent: 3600961 (1971-08-01), Rattunde et al.
patent: 4056015 (1977-11-01), Ludoph et al.
patent: 4161894 (1979-07-01), Giacosa
patent: 4228691 (1980-10-01), Smirl
patent: 4229988 (1980-10-01), Rattunde
patent: 4304150 (1981-12-01), Lupo et al.
patent: 4387608 (1983-06-01), Mohl et al.
patent: 4403975 (1983-09-01), Rattunde

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