Fluid pressure amplifier for an infinitely variable drive

Details Fluid pressure amplifier for an infinitely variable drive Fluid pressure amplifier for an infinitely variable drive

1987-04-06

1988-08-30

Bui, Thuy M.

Endless belt power transmission systems or components

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

Fluid pressure actuator for adjustment of member

74868, F16H 1102

Patent

active

047673842

ABSTRACT:
An infinitely variable belt drive having a pair of belt clamping servos and a ratio control servo, a high pressure source connected to a common high pressure feed circuit for the clamping servos, a ratio control servo, a low pressure source that is independent of the high pressure source, and a high pressure accumulator and pressure amplifier system that is adapted to supply the clamping servos with a high pressure with minimal high pressure fluid flow.

REFERENCES:
patent: 2826149 (1958-03-01), Wrigley
patent: 2881706 (1959-04-01), Haynes et al.
patent: 3016710 (1962-01-01), Kurz et al.
patent: 3115049 (1963-12-01), Moan
patent: 3600960 (1971-08-01), Karig et al.
patent: 4292031 (1981-09-01), Rattunde
patent: 4403974 (1983-09-01), Sherman et al.

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