Arrangement of pulley working fluid passage in a belt-type conti

Details Arrangement of pulley working fluid passage in a belt-type conti Arrangement of pulley working fluid passage in a belt-type conti

1998-01-13

1999-08-24

Jeffery, John A.

Endless belt power transmission systems or components

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

Load responsive

474 28, 477 45, F16H 5900, F16H 6100, B60K 4112

Patent

active

059417870

ABSTRACT:
In a pulley working fluid (oil) passage arrangement for a belt-type continuously variable transmission having a V belt wound about a letter V-shaped groove formed with mutually opposing oblique surfaces of movable and stationary sheaves and a working fluid pressure cylinder chamber to which a working fluid pressure is supplied so as to move the movable sheave toward or away from the stationary sheave, thus a gear shift being varied, a first working fluid passage communicated with an axle chamber working fluid passage is extended in an axial direction of the axle member at an opposing surface thereof against the axle member and the movable sheave and a second working fluid passage having one end communicated with the first working fluid passage and the other end opened to a working fluid pressure cylinder chamber is extended along a radial direction of the axle member.

REFERENCES:
patent: 4813914 (1989-03-01), Mott
patent: 5628700 (1997-05-01), Yamada et al.
patent: 5697866 (1997-12-01), Okahara
patent: 5730680 (1998-03-01), Toukura

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