Infinitely variable cone pulley transmission

Details Infinitely variable cone pulley transmission Infinitely variable cone pulley transmission

1992-08-26

1994-03-29

Britts, Ramon S.

Endless belt power transmission systems or components

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

And member has plural, relatively axially movable drive faces

474 27, 474 28, 474110, F16H 5556

Patent

active

052980006

ABSTRACT:
A cone pulley transmission is disclosed which includes an infinitely actuatable and adjustable transmission wherein an axially displaceable cone pulley disc is adjustable by application of hydraulic tensioning so as to generate the pressure forces acting on a transmission belt rotating between the cone pulley discs, with the tensioning being controlled by a pressure medium through a sliding control valve. The tensioning is provided by different sized pressure chargeable surfaces and is throttled to different degrees with respect to the associated outlet of the sliding control valve. In this connection, it is provided that at least one outlet can be changed as a function of certain parameters.

REFERENCES:
patent: 4403975 (1983-09-01), Rattunde
patent: 4439170 (1984-03-01), Steuer
patent: 4557706 (1985-12-01), Tanaka et al.
patent: 4716791 (1988-01-01), Ohzono et al.
patent: 4767384 (1988-08-01), Moan
patent: 4798561 (1989-01-01), Hattori et al.

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