Toroidal type infinitely variable transmission

Details Toroidal type infinitely variable transmission Toroidal type infinitely variable transmission

1988-04-18

1990-03-20

Braun, Leslie A.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74216, F16H 1526

Patent

active

049090925

ABSTRACT:
In a toroidal type infinitely variable transmission wherein power is transmitted between input and output discs by a transmission roller, the angle .theta. formed by the points of contact with the two discs with respect to the center of rotation of the transmission roller is set to 105.degree. or greater. Also, the curvature ratio R.sub.2 /R.sub.1 between the radius of curvature R.sub.2 of the traction surface of the transmission roller and the radius of curvature R.sub.1 of the toroidal surfaces of the input and output discs is 0.6 or more.

REFERENCES:
patent: 1856249 (1932-05-01), Hayes
patent: 2020677 (1935-11-01), Erban
patent: 2619841 (1952-12-01), Von Kreudenstein
patent: 2660897 (1953-12-01), Neidhart et al.
patent: 2734389 (1956-02-01), Strecker
patent: 3486391 (1969-12-01), Kraus
patent: 4126052 (1978-11-01), Jackman

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