Electro-mechanical machine with pie-shaped coils on disc rotor

Details Electro-mechanical machine with pie-shaped coils on disc rotor Electro-mechanical machine with pie-shaped coils on disc rotor

1984-05-15

1991-07-02

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310154, H02K 2304, H02K 122

Patent

active

RE0336289

ABSTRACT:
A disc-type motor characterized by increased efficiency includes first and second parallel spaced stator members made of magnetic material in fixed relation, each of the stator members having a flat circular shape and an even plurality of pie-shaped permanent-magnet poles thereon, illustratively eight in number. The facing poles on the stator members have opposite polarities. The motor further includes a disc-like rotor made of a non-conducting material rotatably mounted between the two stator members. Conducting wires are wound in a non-overlapping (single-layer) flat spiral configuration to form a number of coils equal to twice the number of poles per stator member, half adhered to each face of the rotor disc. Each coil encloses a pie-segmented area about equal to the area of one of the stator poles. On each face of the rotor the coils magnetically oppose one another, and the coils on one face of the disc are angularly offset from the coils on the other face of the disc. The motor further includes a commutator connected to the rotor, the commutator including twice as many bars of conducting material as there are coils on each rotor face, with certain of the commutator bars electrically interconnected.

REFERENCES:
patent: 271928 (1883-02-01), Seeley
patent: 2847589 (1958-08-01), Haydon
patent: 3091715 (1963-05-01), Henry-Baudot
patent: 3096455 (1963-07-01), Hahn
patent: 3230406 (1966-01-01), Henry-Baudot
patent: 3312846 (1967-04-01), Henry-Baudot
patent: 3678314 (1972-07-01), Carter
patent: 3912956 (1975-10-01), Muller
patent: 4390805 (1983-06-01), Hahn
patent: 4701655 (1987-10-01), Schmider

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