Variable ratio gear transmission

Details Variable ratio gear transmission Variable ratio gear transmission

1976-08-20

1980-03-11

Scott, Samuel

Machine element or mechanism

Elements

Gear casings

74190, 74191, 74691, F16N 1516

Patent

active

041922000

ABSTRACT:
Power is transmitted through a low torque power path established by a variable traction drive assembly to control the drive ratio of a plural power path, constant mesh gear transmission. The contact pressure associated with the traction drive assembly is varied as a function of the transmission drive ratio that is varied between reverse and forward drive values under control of the traction drive assembly.

REFERENCES:
patent: 598762 (1898-02-01), Behrens
patent: 716550 (1902-12-01), Inness et al.
patent: 1011629 (1911-12-01), Lacombe
patent: 2178859 (1939-11-01), Jett et al.
patent: 2229338 (1941-01-01), Powers
patent: 3158041 (1964-11-01), Rae
patent: 4026166 (1977-05-01), Jackson

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