Rotor drive for pulsato apparatus

Details Rotor drive for pulsato apparatus Rotor drive for pulsato apparatus

1978-09-21

1980-04-22

Truhe, J. V.

Machine element or mechanism

Gearing

Plural prime movers selectively coupled to common output

741905, 74847, 74849, 84 124, 84DIG4, F16H 3706

Patent

active

041988809

ABSTRACT:
A two-speed motor drive system for an acoustic rotor includes two simple, relatively inexpensive motors cooperatively arranged to drive the acoustic rotor at either a pulsato speed or a slower chorus speed, and also to provide automatic braking of the rotor from full pulsato speed to either slow chorus speed or to a fully stopped condition.

REFERENCES:
patent: 2485848 (1949-10-01), Sharp
patent: 2869669 (1959-01-01), Leslie
patent: 3146291 (1964-08-01), Leslie
patent: 3163791 (1964-12-01), Carlson
patent: 3174065 (1965-03-01), Jaun
patent: 3245284 (1966-04-01), Leslie
patent: 3372225 (1968-03-01), Leslie
patent: 3886835 (1975-06-01), Peterson

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