Component parts of a toroidal-type continuously variable transmi

Details Component parts of a toroidal-type continuously variable transmi Component parts of a toroidal-type continuously variable transmi

1996-11-08

1999-01-05

Bonck, Rodney H.

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

384625, F16H 1538, F16H 3702

Patent

active

058555315

ABSTRACT:
In a toroidal-type continuously variable transmission including input and output side disks and a pair of power roller bearings, rolling elements of the power roller bearings are made of a steel which is to be case hardened, a medium-carbon steel or a high-carbon steel which is such a steel as containing carbon in an amount of 0.2 wt % or more, and are subjected to a carbonitriding process and hardening and tempering treatments. The toroidal-type continuously variable transmission has a long life by improving the rolling life of the power roller bearings, the input side disks, and the output side disks.

REFERENCES:
patent: 4909092 (1990-03-01), Machida et al.
patent: 5007298 (1991-04-01), Machida
patent: 5361648 (1994-11-01), Murakami et al.
patent: 5391126 (1995-02-01), Fukushima et al.
Patent Abstracts of Japan, JP 63-303222 A, Apr. 6, 1989, vol. 13, No. 140.
Patent Abstracts of Japan, JP 4-54312 A, Jun. 3, 1992, vol. 16, No. 242.
Patent Abstracts of Japan, JP 4-203621 A, Nov. 16, 1992, vol. 16, No. 545.
Patent Abstracts of Japan, JP 5-288221 A, Feb. 8, 1994, vol. 18, No. 76.
"Fatigue Life Analysis for Traction Drives with Application to a Toroidal Type Geometry", Coy et al., NASA Technical Note (NASA TN D-8362), Washington, D.C., Dec. 1976, p. 16.
A.C.O. Sales Brochure, A.C.O. Engineering Ltd. 15 Red Lion Square, London, W.C.1 Brottby Variator, Continuously Variable Gear.

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