Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1990-04-09
1991-07-30
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 45, 310179, 310254, H02K 1710
Patent
active
050362372
ABSTRACT:
A shaded pole electric motor has a stator and a rotor interacting through an air gap. This stator has a salient pole with a narrow neck and wide pole shoe. A shading coil slot extends into the salient pole from the air gap and defines a shaded portion of the pole. The exposed side of the shaded portion is relatively smooth, as established by the shading coil having one side in the shading coil slot and another side in a shading pole aperture close to but spaced from the exposed side. This establishes ease of insulating the surface of the salient pole to receive a stator winding. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
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patent: 2355175 (1944-08-01), Olving
patent: 2741715 (1956-04-01), Meijer
patent: 2810845 (1957-10-01), Howes
patent: 3020428 (1962-02-01), Meijer
patent: 3697842 (1972-10-01), Morrill
patent: 3959678 (1976-05-01), Donahoo
patent: 3975654 (1976-08-01), Dryburgh
patent: 4234810 (1980-11-01), Donahoo
Electric Motors and Specialties, Inc.
Skudy R.
LandOfFree
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