Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-02-20
1999-04-27
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310262, 310268, 310 42, 29596, 29598, H02K 1700
Patent
active
058982507
ABSTRACT:
The invention relates to a single-phase induction motor comprising a main winding, an auxiliary winding which is arranged so that an electrical angle of the auxiliary winding is different from that of the main winding, a plurality of driving capacitors which are connected to the auxiliary winding, a relay for controlling on/off of the driving capacitor in response to the driving load, and a rotor having apertures on the gap side of the slots. The invention further relates to a rotor assembling apparatus comprising a bush to which a rotor core assembly is inserted for die-casting, wherein a clearance between said bush and said rotor core assembly is narrower to the extent that said rotor core assembly can be taken out after die casting; and a core band having a clearance between the core band and the bush in the circumferential direction of said bush, said core band is engaged into said bush so that movement in the axis direction is restricted. The present invention can prevent a generation of the electromagnetic noise even during a high-load and high torque operation.
REFERENCES:
patent: 4794288 (1988-12-01), Lewus
patent: 5687471 (1997-11-01), Noguchi et al.
Patent Abstracts of Japan, vol. 7, No. 182 (E-192), Aug. 11, 1983, JP 58-086847, May 24, 1983.
Patent Abstracts of Japan, vol. 10, No. 5 (E-372), Jan. 10, 1986, JP 60-167656, Aug. 31, 1985.
Iwanabe Yoshinori
Mochizuki Tetsuya
Sugita Tatsuya
Tamura Shinji
Tugei Tokuo
Lam Thanh
Mitsubishi Denki & Kabushiki Kaisha
Ramirez Nestor
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