Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Mechanically coupled in fixed ratio of movement
Patent
1974-11-25
1976-05-25
Dobeck, B.
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Mechanically coupled in fixed ratio of movement
318267, 318487, H02P 546
Patent
active
039596990
ABSTRACT:
Two electric motors are coupled to each other and to a device which is to be bi-directionally actuated. An associated electrical control circuit comprises switches and delay timers, for energizing the first motor to drive the device in one direction and concurrently drive the second unenergized motor, and then to energize the second motor to drive the device in another direction and concurrently drive the first unenergized motor.
REFERENCES:
patent: 2698394 (1954-12-01), Brown
patent: 2787747 (1957-04-01), Drummond
patent: 2800619 (1957-07-01), Brunt
patent: 2992378 (1961-07-01), Schneider
patent: 2995634 (1961-04-01), Richmond
patent: 3048761 (1962-08-01), Purdy
patent: 3181049 (1965-04-01), Klamp
patent: 3199857 (1965-08-01), Klamp
patent: 3204169 (1965-08-01), Ranson
patent: 3561520 (1971-02-01), Gill
patent: 3771032 (1973-11-01), Hender
Bissell Henry M.
Dobeck B.
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