Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on... – Load responsive
Patent
1993-03-11
1994-11-22
Schoeppel, Roger J.
Endless belt power transmission systems or components
Pulley with belt-receiving groove formed by drive faces on...
Load responsive
474 28, 474 70, F16H 5900
Patent
active
053664167
ABSTRACT:
In a continuously variable transmission which is provided with a primary pulley and a secondary pulley, between which a driving belt is mounted, primary and secondary control systems, which are coupled to the respective pressure chambers of the axially translatable pulley discs, are employed to precipitate current pressure values, in dependence upon desired pressure values. To this end, the control system employs a regulator to which only the difference between the desired and the measured pressure-value is supplied, whereby the regulator nevertheless only has to regulate the relatively rapidly changing variation in a rest value supplied separately by a rest state device. This greatly improves the dynamic behaviour of the controller, so that rapid variations in the desired value of the entrant pressure can be effectively followed by the control system.
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Patent Abstracts of Japan, vol. 013, No. 090 (M-803)2 Maart 1989 & JP,A,63 284 041 (Daihatsu Motor Corp. Ltd.), 21 Nov. 1988.
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Choi Chi C.
d'Herripon Bastiaan A.
Roovers Wilhelmus C. W. M.
Schoeppel Roger J.
VAN Doorne's Transmissie B.V.
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