Toroidal type continuously variable transmission

Details Toroidal type continuously variable transmission Toroidal type continuously variable transmission

1993-07-22

1995-02-21

Herrmann, Allan D.

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

384614, F16H 1538, F16C 3346

Patent

active

053911261

ABSTRACT:
A toroidal type continuously variable transmission is provided which allows the outer peripheral face of power rollers to be processed by industrial techniques, and prevents an outer ring and a retainer from rubbing against an input side concave surface or an output side concave surface. The outer peripheral face of the power roller is formed of a spherical surface portion and a cylindrical surface portion continuous from a larger diameter side of the spherical surface portion, and the outer diameter of the cylindrical surface portion is selected to be longer than the outer diameter of the outer ring and the outer diameter of the retainer.

REFERENCES:
patent: 2665958 (1954-01-01), Waldherr, Jr.
patent: 3159042 (1964-12-01), Kraus
patent: 4694704 (1987-09-01), Kraus
patent: 4909092 (1990-03-01), Machida et al.
patent: 4955246 (1990-09-01), Nakano

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