Synchronous machine with inner rotor, excited by permanent magne

Details Synchronous machine with inner rotor, excited by permanent magne Synchronous machine with inner rotor, excited by permanent magne

1977-01-19

1978-11-28

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310262, H02K 2112

Patent

active

041277864

ABSTRACT:
A synchronous machine including a rotor having at least two lamination substacks, between which are arranged support disks of nonmagnetic material which are firmly mounted on the ferromagnetic rotor shaft. Each substack includes in the circumferential direction lamination stack parts whose number corresponds to the number of poles of the machine. Each substack further includes a ferrite magnet arranged between its lamination stack parts, and the ferromagnetic rotor shaft. The lamination stack parts and the support disks are held together in a frictionally connected and tight fitting manner by means of axial bolts.

REFERENCES:
patent: 2939025 (1960-05-01), Williford, Jr.
patent: 3012161 (1961-12-01), Puder
patent: 3014142 (1961-12-01), Lee
patent: 3445700 (1969-05-01), Prange et al.
patent: 3492520 (1970-01-01), Yates

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