Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1994-02-23
1996-03-12
LaBalle, Clayton E.
Electrical generator or motor structure
Dynamoelectric
Rotary
310218, H02K 3487
Patent
active
054989167
ABSTRACT:
A wedge and spring assembly for use in electromagnets or dynamoelectric machines having a housing with an axis therethrough and a plurality of coils supported on salient poles that extend radially inward from the housing toward the housing axis to define a plurality of interpole spaces. The wedge and spring assembly includes a nonmagnetic retainer spring and a nonmagnetic wedge. The retainer spring is formed to fit into one of the interpole spaces, and has juxtaposed ends defining between them a slit extending in a direction generally parallel to the housing axis. The wedge for insertion into the slit provides an outwardly directed force on respective portions of the juxtaposed ends to expand the slit so that respective portions of the retainer spring engage areas of the coils adjacent thereto, thereby resiliently holding the coils against their respective salient poles. The retainer spring is generally triangular shaped to fit within the interpole space, and the wedge is generally T-shaped.
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Cottingham James G.
Lindner Melvin
LaBalle Clayton E.
Moser William R.
Pascarella David A.
Smith Bradley W.
The United States of America as represented by the United States
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