Automatic transmission having a continuously variable drive rati

Details Automatic transmission having a continuously variable drive rati Automatic transmission having a continuously variable drive rati

1980-07-21

1983-02-15

Staab, Lawrence J.

Endless belt power transmission systems or components

Pulley with expansible rim means or pulleys with alternately...

Structure for variably adjusting radius of rim section

474 56, F16H 5554

Patent

active

043739261

ABSTRACT:
An automatic transmission comprises a first rotating assembly coupled via a bias member to a second rotating assembly. The second rotating assembly varies its effective diameter in response to the torque applied to the transmission. The bias member, e.g., a spring, holds the first and second rotating assemblies in a first relative position. However, as the applied torque increases the bias tension is overcome and relative rotation of the first and second assemblies occurs towards a second relative position; and simultaneously, the effective diameter of the second rotating assembly decreases.

REFERENCES:
patent: 616630 (1898-12-01), Pratt
patent: 698854 (1902-04-01), Pratt
patent: 1496032 (1924-06-01), Sleeper
patent: 2584447 (1952-02-01), Hayot
patent: 3956944 (1976-05-01), Tompkins
patent: 3969948 (1976-07-01), Pipenhagen
patent: 3995508 (1976-12-01), Newell
patent: 4068539 (1978-01-01), Nye

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