Continuously variable transmission with a regulable pump

Details Continuously variable transmission with a regulable pump Continuously variable transmission with a regulable pump

1991-05-10

1992-08-11

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

474 18, F16H 6300

Patent

active

051374986

ABSTRACT:
A continuously variable transmission provided with a primary pulley mounted on a primary shaft and a secondary pulley mounted on a secondary shaft. A transmission is passed over said pulleys. Both the primary pulley and the secondary pulley comprise a pair of discs. At least one of said discs is axially movable by a hydraulic cylinder, so as to adjust the position of the transmission around the pulleys and thus the transmission ratio of the transmission. The pump for providing fluid for said hydraulic cylinders has a regulable delivery, so as to enhance the transmission efficiency.

REFERENCES:
patent: 4533340 (1985-08-01), Abo et al.
patent: 4735597 (1988-04-01), Cadee

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