Continuously variable transmission

Details Continuously variable transmission Continuously variable transmission

1999-03-19

2000-07-11

Marmor, Charles A

Endless belt power transmission systems or components

Belt having drive surfaces on opposite side edges of stacked...

474245, 474265, F16G 520

Patent

active

060864990

ABSTRACT:
Continuously variable transmission provided with a belt (3) and pulley (1,2) capable of interacting with each other at an acute angle (.lambda.) under the influence of a coefficient of friction (.mu.), and which belt is suitable for taking both pushing and pulling forces, the ratio between flank angle (.lambda.) and the effective coefficient of friction (.mu..sub.tan) in the tangential direction in rotating conditions being such that, measured in radians, the coefficient of friction (.mu..sub.tan) is less than 1.1 times the value of the relevant flank angle (.lambda.), but is greater than 0.55 times that value.

REFERENCES:
patent: 4525159 (1985-06-01), Filderman et al.
patent: 4655732 (1987-04-01), Takashima
patent: 4734085 (1988-03-01), Takashima et al.
patent: 5318484 (1994-06-01), Forster
patent: 5427579 (1995-06-01), Kanehura et al.

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