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

1983-10-20

1985-08-06

Novosad, Stephen J.

Endless belt power transmission systems or components

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

Fluid pressure actuator for adjustment of member

474 18, F16H 1104

Patent

active

045333408

ABSTRACT:
A hydraulic control system comprises a line pressure regulator valve which uses a spring has non-uniform spring rate. A spring is compressed between a pressure regulating element and a member movable responsive to a reduction ratio between drive and driven pulleys. A length of the spring is varied by the member with variation in the reduction ratio. The line pressure regulator valve generates a line pressure having non-linear characteristic with respect to the variation in the reduction ratio.

REFERENCES:
patent: 4369675 (1983-01-01), Van Deursen

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