Friction gear transmission systems or components – Friction gear includes idler engaging facing concave surfaces – Toroidal
Patent
1996-04-19
1996-12-17
Herrmann, Allan D.
Friction gear transmission systems or components
Friction gear includes idler engaging facing concave surfaces
Toroidal
476 40, F16H 1538
Patent
active
055847781
ABSTRACT:
The total of thrust loads acting on first, second, and third angular ball bearings upon operation of a transmission is reduced. In order to reduce torque losses of the angular ball bearings, a toroidal type continuously variable transmission is arranged so that a thrust load based on the counterforce upon operation of a compression device is received by the third angular ball bearing, and the difference between a thrust load acting on an input-side disk and a thrust load acting on an output-side disk acts on an output shaft. A thrust load corresponding the difference is received by one of the first and second angular ball bearings.
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Mark's Handbook for Mechanical Engineers, 8th Edition, 1979, pp. 8-136 to 8-137.
Ito Hiroyuki
Machida Hisashi
Grabow Troy
Herrmann Allan D.
NSK Ltd.
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