Drive unit

Details Drive unit Drive unit

1981-04-13

1983-10-04

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 180165, B60K 4128

Patent

active

044073984

ABSTRACT:
An improved drive unit for a vehicle having an internal combustion engine, an automatic transmission and a clutch comprising a servo-powered mechanical coupling part and a fluid coupling part is disclosed. The fluid coupling part serves as the flywheel for the engine. An auxiliary starting motor rotates the flywheel to a speed sufficient to start the internal combustion engine when the accelerator pedal is depressed, thereby closing the mechanical coupling part and connecting the flywheel with the engine crankshaft. When the accelerator pedal is released the mechanical coupling part opens to stop the engine in all engine-braking phases, thereby maximizing fuel conservation.

REFERENCES:
patent: 3447013 (1969-11-01), Smith
patent: 3771311 (1973-11-01), Herbst
patent: 3882950 (1975-05-01), Strohlein
patent: 3886810 (1975-06-01), Sugiyama et al.
patent: 4131171 (1978-12-01), Keyes
patent: 4252208 (1981-02-01), Heidemeyer et al.
patent: 4259930 (1981-04-01), Hofbauer
patent: 4282947 (1981-08-01), Kemper
patent: 4342371 (1982-08-01), Smitley
patent: 4343387 (1982-08-01), Hofbauer

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