Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1987-12-21
1989-03-21
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 57, 310 59, 310 60R, 310270, H02K 346
Patent
active
048146552
ABSTRACT:
A conductor bar in a dynamoelectric machine includes a coolant channel having a depressed portion passing under a gusset reinforcing a joint with an end turn. The end turn also includes a coolant channel with a depressed portion under the gusset and meeting the depressed portion in the conductor bar. The gusset includes a groove therein, generally congruent with the two depressed portions passing thereunder. Diagonal entry and exit portions on the underside of the gusset reduce flow turbulence of coolant entering and exiting the flow channel defined between the gusset and the two depressed portions. In a further embodiment of the invention, a diagonal portion joining the two depressed portions, matched with a congruent shape in the gusset, both reduces flow resistance and increases an area available for brazing the gusset in place.
REFERENCES:
patent: 3005119 (1961-10-01), Schmitt
patent: 3112415 (1963-11-01), Bahn
patent: 3395299 (1968-07-01), Quay
patent: 4199700 (1980-04-01), Daugherty
patent: 4321497 (1982-03-01), Long
patent: 4543503 (1985-09-01), Kaminski
patent: 4598223 (1986-07-01), Glennon
General Electric Company
Skudy R.
Squillaro Jerome C.
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