Rotor for permanent magnet type synchronous motors

Details Rotor for permanent magnet type synchronous motors Rotor for permanent magnet type synchronous motors

1983-03-08

1984-02-21

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310262, 310271, H02K 2114

Patent

active

044332610

ABSTRACT:
This invention concerns an improvement for the structure of a rotor attachment in a permanent magnet type synchronous motor. This invention can effectively prevent axial displacement or peeling off of the magnets which might otherwise be caused by insufficient adhesion or deterioration of adhesives by the unique structure of attaching magnets to the rotor shaft as side plates having grooves are fixed to both sides of magnets adhered to a shaft to engage with at least one end face of magnets and the outer peripheries of the side plates and the magnets are wound with non-magnetic fibers for securing, thereby greatly enhancing the reliability of the motor.

REFERENCES:
patent: 3671788 (1972-06-01), Knudson et al.
patent: 3968390 (1976-07-01), Yasuda et al.
patent: 4117360 (1978-09-01), Richter

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