Permanent magnet rotor with magnets secured by synthetic resin

Details Permanent magnet rotor with magnets secured by synthetic resin Permanent magnet rotor with magnets secured by synthetic resin

1989-04-20

1990-09-04

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310261, H02K 2112, H02K 104, H02K 122

Patent

active

049547364

ABSTRACT:
A permanent magnet rotor has a plurality of holding projections radially outward projected from a yoke secured to outer periphery of a rotor shaft, the projections being extended in axial direction of the shaft and yoke while expanded at tip end portions in circumferential directions, and a plurality of permanent magnet segments respectively disposed between adjacent ones of the holding projections to have gaps remained at least partly in the periphery of the segments, the gaps being filled with a thermosetting resin so that constant positioning of the segments with respect to the yoke can be attained with the resin filled.

REFERENCES:
patent: 3221194 (1965-11-01), Blackburn
patent: 4393320 (1983-07-01), Anderson
patent: 4434546 (1984-03-01), Hershberger

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