Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1989-05-17
1991-05-14
Beha, Jr., William H.
Electrical generator or motor structure
Dynamoelectric
Rotary
310191, 310224, H02K 110
Patent
active
050159054
ABSTRACT:
A DC dynamoelectric machine with interpoles between field poles operable in sparkles even under heavy operating conditions comprising a solid soft iron magnetic flux bypassing members, each disposed between respective field poles and interpoles at their ends near its armature with an air gap between the field pole for controlling interpole magnetic flux, the solid soft iron magnetic flux bypassing member suppresses sudden change of magnetic flux flowing therethough by permitting flow of eddy current therethrough and maintains the interpole magnetic flux at a desired amount even during a sudden change of load current.
REFERENCES:
patent: 795481 (1905-07-01), Chitty
patent: 1680731 (1928-08-01), Deale
patent: 2409503 (1946-10-01), Linville
patent: 3576456 (1971-04-01), DeWolf
patent: 4423359 (1983-12-01), Hashimoto
patent: 4588752 (1986-04-01), Breitbach
patent: 4616150 (1986-10-01), Concannon
Koharagi Haruo
Nitobe Mitsuhiro
Suzuki Nobutaka
Tahara Kazuo
Beha Jr. William H.
Hitachi , Ltd.
Hitachi Setsubi Engineering Co., Ltd.
LaBalle C.
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