Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1985-10-02
1987-06-16
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 42, 310 43, 310 45, 310 89, H02K 1300
Patent
active
046738380
ABSTRACT:
A brush holding device of an "easy-to-assemble" type disposed between a yoke and an end frame of a motor. The device has a brush holder formed in one body from an electrically insulating material to include an annular-type field winding fixing frame, a brush holding stay having a plurality of brush chambers thereon, each of the brush chambers having at least an opening on the side of the end frame, integral connecting portions annularly connecting the spaced brush chambers therebetween, an insulating plate member having relatively rigid body portions to cover the openings of the brush chambers and relatively flexible portions connecting the body portions therebetween, and means for fixing the insulation to the brush holders by deforming the flexible portions of the insulator toward the brush holders. The aforementioned annular fixing frame has a plurality of flanges radially outwardly extending from the outer periphery thereof by which the annular frame is circumferentially axially aligned with the yoke. Consequently, the brush holding device is able to be rigidly held between the yoke and the end frame without using a bolt while establishing a good alignment of the device in the circumferential and the axial direction.
REFERENCES:
patent: 3739205 (1973-06-01), Winkelmann
patent: 3794869 (1974-02-01), Apostoleris
patent: 4406963 (1983-09-01), Wolf
patent: 4414481 (1983-11-01), de Jong
patent: 4475053 (1984-10-01), Mayer
patent: 4498230 (1985-02-01), Harris
patent: 4513214 (1985-04-01), Dieringer
Hamaguchi Masayuki
Hamano Satoru
Mori Masanori
Takagi Yoshito
Wakahara Yasuyuki
Nippondenso Co. Ltd.
Skudy R.
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