Ventilated gusset for single-layer turns in a dynamoelectric machine
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United States of America Patent
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-
Mar 21, 1989
Grant Date -
N/A
app pub date -
Dec 21, 1987
filing date -
Dec 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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