Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1989-03-30
1990-07-17
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 42, 310 49R, 310 89, H02K 112
Patent
active
049423258
ABSTRACT:
Disclosed is an electric motor having a stator structure including an assembly of first and second cup shaped members each having a circumferential surface portion in the form of a cylindrical wall having at a free end thereof a recess and a projection formed as an extension of the circumferential wall portion and first and second magnetic pole plates each having an annular plate-formed portion having a plurality of additional recesses formed along an outer circumferential edge thereof. The projection formed on the first cup shaped members is loosely engaged in one of the additional recesses formed in the first magnetic pole plate, force fitted in one of the additional recesses formed in the second magnetic pole plate and loosely engaged in one of the recesses formed in the second cup shaped member. The projection formed on the second cup shaped member is loosely engaged in one of the additional recesses formed in the second magnetic pole plate, force fitted in one of the additional recesses formed in the first magnetic pole plate and loosely engaged in one of the recesses formed in the first cup shaped member. The first and second cup shaped members and the first and second magnetic pole plates have a plurality of magnetic pole pieces formed in a concentrical relationship thereon.
REFERENCES:
patent: 2417195 (1947-03-01), Hargreaves
patent: 4034247 (1977-07-01), Wagensonner et al.
patent: 4174485 (1979-11-01), Soden et al.
patent: 4333026 (1982-06-01), Bock
patent: 4672247 (1987-06-01), Madsen
patent: 4792292 (1988-12-01), Torisawa
Aisan Kogyo Kabushiki Kaisha
Skudy R.
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