Double acting secondary sheave servo for CVT

Details Double acting secondary sheave servo for CVT Double acting secondary sheave servo for CVT

1991-06-26

1993-09-14

Britts, Ramon S.

Endless belt power transmission systems or components

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

Load responsive

474 28, F16H 6100

Patent

active

052444376

ABSTRACT:
A continuously variable transmission includes an improved secondary servo arrangement in order to provide the necessary clamping forces for high torque conditions. The secondary servo includes a plurality of fluid chambers in order to allow an increase in the area for application of fluid pressure. Fluid conduits between the chambers permit communication of the fluid to the chambers to regulate the clamping force of the movable sheaves of the secondary variable pulleys.

REFERENCES:
patent: 4522086 (1985-06-01), Haley
patent: 4552545 (1985-11-01), Koivunen
patent: 4674363 (1987-06-01), Miyawaki
patent: 4702725 (1987-10-01), Kouno et al.
patent: 4722718 (1988-02-01), Eugen
patent: 4753627 (1988-06-01), Kawamoto
patent: 4767384 (1988-08-01), Moan
patent: 4982822 (1991-01-01), Petzold et al.
patent: 5006092 (1991-04-01), Neuman et al.

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