Concentrated winding salient-pole shaded pole motors having mult

Details Concentrated winding salient-pole shaded pole motors having mult Concentrated winding salient-pole shaded pole motors having mult

1976-05-20

1978-12-26

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1700

Patent

active

041318145

ABSTRACT:
Salient-pole shaded pole motors with multiple short circuited shading coils on each pole piece are disclosed wherein the pole pieces extend generally radially from the geometric center of the magnetizeable yoke. The pole pieces are interconnected by a magnetic yoke that encompasses the pole pieces as well as a rotor. Adjacent pole tips of pole pieces are displaced in space from one another and are separated by air gaps. Among other things, this facilitates placement of concentrated winding means about the pole pieces. The leading edges or pole tips of the pole pieces exhibit a relatively high reluctance as compared to the center portion or region of the pole pieces. Also disclosed are methods of making multiple shading coil motors.

REFERENCES:
patent: 2773999 (1956-12-01), Morrill
patent: 2810845 (1957-10-01), Howes
patent: 2975311 (1961-03-01), Suhr
patent: 3158769 (1964-11-01), Morrill
patent: 3313965 (1967-04-01), Arnold
patent: 3634707 (1972-01-01), Tillner
patent: 3697842 (1972-10-01), Morrill
patent: 3973154 (1976-08-01), Broadway

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