Dynamoelectric machine structure and method

Details Dynamoelectric machine structure and method Dynamoelectric machine structure and method

1982-04-14

1984-03-20

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 75D, 310 90, H02K 1100

Patent

active

044383592

ABSTRACT:
A dynamoelectric machine, preferably a rotor adapted for use in ceiling fan applications, has a conventional rotor assembly mounted within a bore of a stator assembly. A stationary shaft extends through the rotor assembly and provides both a cableway for electrically connecting the motor to a source of electrical energy and for permitting the attachment of additional apparatus on one end of the stationary shaft. A retainer is mounted on the stationary shaft and positions the rotor assembly with respect to the stator. The rotor assembly is attached to a hub which rotates with the rotor and provides means for attaching blades to the motor. The stator is press fit into an end shield and the resulting structure is a compact, light weight, efficient dynamoelectric machine. The end shield is provided with means for attaching a decorative enclosure about the motor, so that the asthetic appearance of the motor can be enhanced substantially. The resulting structure is relatively low weight and enables a user to install the motor, and in particular, ceiling fans more easily than prior art devices.

REFERENCES:
patent: 1919522 (1933-07-01), Lipman
patent: 2256794 (1941-09-01), Schwab
patent: 3701912 (1972-10-01), Schulze
patent: 3786290 (1974-01-01), Papst et al.
patent: 3914071 (1975-10-01), Friese

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