SCR controlled universal motor

Electricity: motive power systems – Alternating current commutating motors – Universal or a.c.-d.c. motors

Patent

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Details

310158, H02P 708

Patent

active

040657051

ABSTRACT:
In an SCR circuit controlled universal motor, means is provided for smooth speed control at all speed settings especially low settings which comprises a series wound stator field as part of the motor and at least one closed conductor loop of wire encircling the stator magnetic flux path.

REFERENCES:
patent: 3058044 (1962-10-01), Herr
patent: 3286150 (1966-11-01), Wilson et al.
patent: 3452264 (1969-06-01), Turtle
patent: 3924169 (1975-12-01), Craft et al.

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