Rotor structure of a synchronous motor

Details Rotor structure of a synchronous motor Rotor structure of a synchronous motor

1991-01-24

1992-08-18

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310217, 310261, H02K 2112, H02K 127, H02K 122

Patent

active

051402114

ABSTRACT:
Provided is a rotor structure of a radial type synchronous motor having a rotor core (10) is held between permanent magnets (12) wherein end plates (14) are attached to ends of the rotor (8) in a direction of the central axis (6) of the rotor, each of which plates is provided with projecting portions (16) to regulate a radial position of an outer face of the rotor core. This prevents a projection of the rotor core and permanent magnets in the radial direction due to a centrifugal force caused by a rotation of the rotor. Therefore, a rotor structure able to withstand a strong centrifugal force can be provided.

REFERENCES:
patent: 2060259 (1936-11-01), Spengler
patent: 2062938 (1936-12-01), Ruppe
patent: 3979821 (1976-09-01), Noodleman
patent: 4543506 (1985-09-01), Kawada et al.
patent: 4639627 (1987-01-01), Takekoshi et al.
patent: 4697114 (1987-09-01), Amemiya et al.

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