Regulation of CVT's in motor vehicles

Details Regulation of CVT's in motor vehicles Regulation of CVT's in motor vehicles

1991-11-15

1993-07-27

Britts, Ramon S.

Endless belt power transmission systems or components

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

Load responsive

474 28, 74869, F16H 5900

Patent

active

052306631

ABSTRACT:
Device for the regulation of a continuously variable transmission in motor vehicles, characterized in that it mainly consists of means for the supply of a hydraulic medium under pressure; control means for the regulation of a pressure; and a controller (13) formed of on the one hand a main valve (14) for the supply and discharge of the hydraulic medium to the regulating cylinder (8) of the continuously variable transmission (1), and on the other hand a control valve (15), whereby the valve bodies (16, 17) of the main valve (14) and the control valve (15) cooperate by means of elastic means, whereby the valve body (16) of the main valve (14) is loaded by a pressure regulated by the control valve (15) and whereby the valve body (17) of the control valve (15) is loaded by a pressure set by means of the above-mentioned control valves.

REFERENCES:
patent: 3868869 (1975-03-01), Hunt et al.
patent: 4682518 (1987-07-01), Takada et al.
patent: 4747327 (1988-05-01), Itoh et al.
patent: 4751859 (1988-06-01), Itoh et al.
patent: 4838836 (1989-06-01), Sakai et al.

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