Reversible shaded pole motor and control arrangement therefor

Details Reversible shaded pole motor and control arrangement therefor Reversible shaded pole motor and control arrangement therefor

1975-12-11

1977-04-12

Rubinson, Gene Z.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

310172, H02P 140

Patent

active

040177769

ABSTRACT:
The novel reversible shaded-pole motor has a stator lamination which is symmetrical about the horizontal and vertical magnetic axes. The lamination shape corresponds to two E's placed against each other. In the center, it has a circular hole for receiving the squirrel-cage rotor. Yoke parts are placed on the open sides of the E and four like coils traversed by the yoke parts are inserted in the windows obtained at the corners of the stator lamination. Shading rings are slipped over the central short legs of the E's. For the operation of the motor in each direction of rotation, two diagonally opposed, series-connected coils are connected directly to the single-phase mains, while the other two are connected to the single-phase mains via a resistor.

REFERENCES:
patent: 1884115 (1932-10-01), Morrill
patent: 2322942 (1943-06-01), Lange
patent: 2735056 (1956-02-01), Meijer
patent: 2946941 (1960-07-01), Jin

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