Accessory drive system

Details Accessory drive system Accessory drive system

1979-11-13

1981-12-15

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74336B, 74689, 74781R, 474 18, 180165, B60K 4126, F16H 5710

Patent

active

043054889

ABSTRACT:
A vehicle accessory drive assembly incorporates a speed-increasing planetary gear set with an engine-driven carrier input. A flywheel output is engaged with the ring gear through an overrunning clutch. A shiftable power train couples the output side of the vehicle transmission with the sun gear so that normally the output speed range is compressed relative to the input speed range. Accessory speeds are increased when the vehicle is stationary and the engine is running at idle. Changing accessory torque demands are satisfied smoothly. Upon application of the vehicle braking system, the power train is shifted so that the flywheel overruns the ring gear. Some of the energy which would be lost in the braking effort or during engine deceleration is absorbed by the flywheel, and is used to help drive the accessories.

REFERENCES:
patent: 2699293 (1955-01-01), Svendsen
patent: 2959070 (1960-11-01), Flinn
patent: 3405571 (1968-10-01), Mersch
patent: 3557640 (1971-01-01), Hendriks et al.
patent: 3918312 (1975-11-01), Espenschied et al.

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