Electricity: motive power systems – Motor-reversing – Field circuit control
Patent
1974-12-24
1976-05-25
Rubinson, Gene Z.
Electricity: motive power systems
Motor-reversing
Field circuit control
318164, 318348, 318466, 141392, 222 63, 417415, H02P 736
Patent
active
039597032
ABSTRACT:
A pump speed control for filling machines in which the rotational speed of the pump is varied between its intake stroke and the discharge stroke by selectively controlling the speed of the driving motor as a function of the rotational position of the output shaft of the driving motor.
REFERENCES:
patent: 2537603 (1951-01-01), Prangley
patent: 3215919 (1965-11-01), Holzer
patent: 3288933 (1966-11-01), Beeston
patent: 3351836 (1967-11-01), Kearns
patent: 3566238 (1971-02-01), Akiyama
patent: 3881144 (1975-04-01), Kikuchi
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