Motor controlling

Details Motor controlling Motor controlling

1979-12-27

1982-08-31

Weldon, Ulysses

Electricity: motive power systems

Motor-reversing

Field circuit control

318379, 318510, 318419, H02K 2720

Patent

active

043474667

ABSTRACT:
D.C. motor control utilizing an input transformer with magnetic leakage and current control to allow power, whether generated occasionally or continuously from the motor (induced by load inertia and the like) to be smoothly returned back into the main A.C. power line, consistent with continuous smooth speed control (low form factor), low heating and low cost.

REFERENCES:
patent: 2400559 (1946-05-01), Majlinger et al.
patent: 2558086 (1951-06-01), Herchenroeder
patent: 2634392 (1953-04-01), Pohm
patent: 3096470 (1963-07-01), Kalenian
patent: 3302090 (1967-01-01), Rayfield
patent: 3564365 (1971-02-01), Zelina
patent: 3641409 (1972-02-01), Maeda et al.
patent: 3786329 (1974-01-01), Whited
patent: 3792330 (1974-02-01), Ottoson
patent: 3916276 (1975-10-01), Ottoson
patent: 4027220 (1977-05-01), Wilkerson

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