Synchronous inductor electric motor

Details Synchronous inductor electric motor Synchronous inductor electric motor

1994-01-03

1996-01-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310114, 310179, 310261, 310117, 310254, H02K 102, H02K 2128

Patent

active

054811473

ABSTRACT:
A synchronous inductor electric motor includes a hollow stator having a plurality of permanent magnets secured to the inner surface thereof. The magnets are radially polarized in alternating fashion about the inner circumference of the stator. A plurality of radially inwardly extending stator teeth are provided on each of the magnets so as to exhibit a polar magnetization which is the same as the adjacent magnets. A rotor assembly supported concentrically within the stator includes a shaft having a plurality of rotor pole sub-assemblies provided thereon. Each of the rotor pole sub-assemblies includes a hub secured to the shaft, a pair of annular rotor packs secured to the ends of the hub, and an electromagnetic coil disposed loosely about the hub between the two rotor packs. Each of the rotor packs has a plurality of axially extending outer teeth formed thereabout which are disposed adjacent to the inner stator teeth. The rotor pack teeth of each of the rotor pole sub-assemblies are angularly offset from one another. The coils are engaged by the stator such that the rotor assembly is free to rotate relative thereto. The coils are sequentially energized and de-energized so as to selectively polarize the associated rotor packs. As they are magnetized, the angularly offset teeth of the rotor packs are attracted toward and repelled from the adjacent teeth of the stator, resulting in rotation of the rotor assembly relative to the stator.

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