Automatic variable speed transmission

Details Automatic variable speed transmission Automatic variable speed transmission

1976-01-19

1977-02-01

Wyche, Benjamin W.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7423017A, 7423017M, F16H 5552, F16H 5556, F16H 1302

Patent

active

040056090

ABSTRACT:
An automatic transmission using a drive chain having traction members engaging axially opposed pairs of conical discs on parallel input and output shafts. One of each pair of discs is provided with torque responsive elements for varying the chain engagement pitch diameter in response to varying input and output torques. The chain traction members are shaped to collect and wedge a lubricating film at the disc contacts. When starting under load the chain initially is in limited contact with the discs on the output shaft and functions as a gradual engagement clutch.

REFERENCES:
patent: 765819 (1904-07-01), Cutter
patent: 803810 (1905-11-01), Cutter
patent: 803811 (1905-11-01), Cutter
patent: 2378375 (1945-06-01), Abbott
patent: 2805583 (1957-09-01), Besel
patent: 2852953 (1958-09-01), Karig
patent: 3016755 (1962-01-01), Dittrich
patent: 3490301 (1970-01-01), Steuer

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