Asymmetrical infinitely variable transmission system

Details Asymmetrical infinitely variable transmission system Asymmetrical infinitely variable transmission system

1987-08-31

1989-01-03

Bui, Thuy M.

Endless belt power transmission systems or components

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

474201, 474242, F16G 124

Patent

active

047954060

ABSTRACT:
To balance twisting torques acting on transmission chain pressure elements (11) located in an asymmetrical wedge zone between a friction disk (7,8) which has an essentially radially directed, plane face and a disk having a divergent, essentially conical engagement surface (14), the centers of curvature (17,18) of the friction surfaces (15,16) of the engagement elements are so positioned that the product of the engagement force components (20,21) acting parallel to the axes of rotation of the disks, and the radial spacing (a) of the contact points (19',23') at which the force components act is essentially equal to the product of the radially directed component (24) of the pulling force of the chain, when in operation, and the spacing (b') measured in a direction parallel to the respective shaft, of the contact point (23') of the pressure element with the disk having the substantially conical divergent engagement surface (14) from the center (C) of the pressure element, measured in its length direction. Any twisting moment tending to act on the pressure elements are thereby counter-balanced.

REFERENCES:
patent: 3016755 (1959-12-01), Dittrich
patent: 3089346 (1983-05-01), Dittrich et al.
patent: 3353421 (1965-11-01), Ketterle et al.
patent: 3364767 (1965-11-01), Bredschneider et al.
patent: 3916709 (1975-11-01), Steuer et al.
patent: 4276041 (1981-06-01), Steuer

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