Permanent magnet rotor assembly for electro-mechanical transduce

Details Permanent magnet rotor assembly for electro-mechanical transduce Permanent magnet rotor assembly for electro-mechanical transduce

1977-12-19

1980-06-03

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, H02K 2112

Patent

active

042063795

ABSTRACT:
A rotor assembly for an electro-mechanical transducer, which comprises a rotor pinion including a pinion and a shaft concentric with the pinion, the shaft having a first portion integral with the pinion and a second portion integral with the first portion, an annular body of a permanent magnet, and a protecting support member formed as a unitary structure with the annular body by injection molding, the protecting support member having an axially extending ring portion on which the annular body is mounted, end face portions radially extending from both ends of the ring portion and retaining both faces of the annular body, and an axial projection axially extending from one of the ends of the ring portion and press fitted to the second portion of the rotor pinion at a position beyond the one of the ends of the ring portion.

REFERENCES:
patent: 2488729 (1949-11-01), Kooyman
patent: 3436570 (1969-04-01), Engles
patent: 3508091 (1970-04-01), Kavanaugh

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