Infinitely variable transmission

Details Infinitely variable transmission Infinitely variable transmission

1984-06-13

1986-03-11

Leppink, James A.

Endless belt power transmission systems or components

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

Speed responsive

474 28, 137550, F16H 1106

Patent

active

045753644

ABSTRACT:
The invention relates to an infinitely variable transmission provided with an endless transmission member and at least one V-shaped pulley of which at least one sheave is rigidly connected to a hydraulic cylinder-piston unit for the axial displacement of this sheave. The said cylinder-piston unit being provided with a pressure-equalizing chamber for the compensation of pressure rises in the cylinder space due to centrifugal forces. The pressure-equalizing chamber can be supplied with fluid from the cylinder space through a charging port. In order to overcome the drawback of particles obstructing regularly the charging port, ahead of the charging port a filtering member is provided through which the fluid flow must pass.

REFERENCES:
patent: 1890984 (1932-12-01), Gulick
patent: 1957344 (1934-05-01), Joiner
patent: 2363754 (1944-11-01), Smith et al.
patent: 3057115 (1962-10-01), Bilanin
patent: 3108610 (1963-10-01), De See
patent: 3446226 (1969-05-01), Canterbury
patent: 3782213 (1974-01-01), Rattunde
patent: 4143558 (1979-03-01), van Deursen et al.
patent: 4190025 (1980-02-01), Wahl

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