Rotor disc construction for use in an electrical machine

Details Rotor disc construction for use in an electrical machine Rotor disc construction for use in an electrical machine

1996-12-06

1999-03-02

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, 310 90, 310156, 310266, 310261, H02K 122

Patent

active

058775781

ABSTRACT:
A rotor disc for use in an electrical machine has circumferential rotor rims mounted thereon. The rotor rim comprises a row of alternate magnets and pole pieces. The magnets are tapered at their radially inner and outer extents and engage with correspondingly tapered surfaces on adjacent pole pieces to prevent relative physical movement therebetween.
Each side of the radially inner and outer extents of the magnets may be tapered by a different amount to ensure correct orientation of the magnet polarity.

REFERENCES:
patent: 3072813 (1963-01-01), Reijnst
patent: 4663551 (1987-05-01), Weh et al.
patent: 4864175 (1989-09-01), Rossi
patent: 4918831 (1990-04-01), Kliman
patent: 5015901 (1991-05-01), Phelon et al.
patent: 5142181 (1992-08-01), Newell
patent: 5159220 (1992-10-01), Kliman
patent: 5162686 (1992-11-01), Royer
patent: 5334898 (1994-08-01), Skybyk

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