Method and apparatus for controlling an infinitely variable tran

Details Method and apparatus for controlling an infinitely variable tran Method and apparatus for controlling an infinitely variable tran

1977-02-02

1979-05-08

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

F16H 5552

Patent

active

041529472

ABSTRACT:
The invention concerns the control of an infinitely variable transmission, provided with an endless transmission member running over a primary and a secondary V-shaped pulley, one conical disc of each pulley being affixed to a shaft, respectively the primary and the secondary shaft, and the other conical disc being controlled in axial direction by a hydraulic cylinder-piston unit, respectively the primary and the secondary cylinder-piston unit, the tension in the endless transmission member being controlled by means of a first control valve and that the transmission ratio is controlled by regulating fluid supply and discharge from and to the other cylinder by means of a second control valve.

REFERENCES:
patent: 3052132 (1962-09-01), Dittrich et al.
patent: 3280649 (1966-10-01), Bruet
patent: 3600960 (1971-08-01), Karig et al.
patent: 3872842 (1975-03-01), Medley
patent: 3893344 (1975-07-01), Dantlgraber et al.

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