Magnetic slot wedge with low average permeability and high mecha

Details Magnetic slot wedge with low average permeability and high mecha Magnetic slot wedge with low average permeability and high mecha

1982-03-01

1984-01-24

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310259, H02K 348

Patent

active

044279108

ABSTRACT:
A magnetic wedge for use in toothed stators holds the stator windings in the slots formed between the teeth of the stator. The magnetic slot wedge comprises a nonmagnetic body, with a width corresponding to the width of the slot. The nonmagnetic body has parallel laminations of magnetic material extending part way through the width of the magnetic body from both sides of the magnetic body and perpendicular to the top surface. A central nonmagnetic region is thereby created with a region on either side of the central portion having an average permeability, along its length, substantially in the range of about 5-10.

REFERENCES:
patent: 871758 (1907-11-01), Heitmann
patent: 1042408 (1918-10-01), Dearborn
patent: 1710931 (1955-06-01), Tittel
patent: 2386673 (1945-10-01), Fisher
patent: 2451633 (1948-10-01), Perrigo
patent: 4293787 (1981-10-01), Motoya et al.

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