Ring stator motor device

Details Ring stator motor device Ring stator motor device

2005-06-28

2005-06-28

Ponomarenko, Nicholas (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

06911757

ABSTRACT:
An integrated drive motor assembly is described where the functional components of a powered device are an integral part of the motor. The assembly comprises a brushless, direct current drive motor having a ring-shaped stator with flat printed circuit coil windings, a ring-shaped permanent magnet rotor, and an electronic commutator circuit. Functional embodiments of the assembly include a rotor impeller and an axial flow fan.

REFERENCES:
patent: 4645961 (1987-02-01), Malsky
patent: 4894572 (1990-01-01), Shiraki

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