Change-speed transmission

Details Change-speed transmission Change-speed transmission

1978-04-25

1981-08-11

Downey, Kenneth

Machine element or mechanism

Elements

Gear casings

74763, F16H 4708

Patent

active

042827736

ABSTRACT:
A change-speed transmission comprises: an input member; an output member; a planetary gearing unit; a hydrokinetic unit having a pump connected to the input member for simultaneous rotation therewith and a turbine; and first, second and third clutches. The transmission has a condition in which all of the torque of the input member is transmitted to the output member through the hydrokinetic unit, a condition in which all of the torque of the input member is transmitted to the output member bypassing the hydrokinetic unit, and a condition in which a portion of the torque of the input member is transmitted to the output member bypassing the hydrokinetic unit and the remaining portion of the torque of the input member is transmitted to the output member through the hydrokinetic unit.

REFERENCES:
patent: 3722323 (1973-03-01), Welch
patent: 3835732 (1974-09-01), Mori et al.
patent: 4157046 (1979-06-01), O'Malley

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