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US 8,030,818 B2Granted
Stator coil with improved heat dissipation
AssigneeSiemens Energy, Inc.
InventorsThomas I. Nelson, John W. Wood, Lon W. Montgomery
Life of this patent
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Abstract
A stator coil includes a plurality of copper strands and a layer of high thermal conductivity polymer disposed adjacent at least one of the copper strands. The high thermal conductivity polymer includes a host polymer and a high thermal conductivity filler. The high thermal conductivity polymer improves heat transfer from the plurality copper strands.
Claims8
A stator coil, comprising:
- a plurality of copper strands;
- at least one layer of high thermal conductivity polymer comprising a host polymer and high thermal conductivity fillers, wherein said high thermal conductivity polymer improves heat transfer;
- and
- at least one cooling duct;
- wherein said at least one layer of high thermal conductivity polymer comprises a layer of cooling duct insulation wrapped about and in direct contact with said cooling duct;
- and
- wherein said at least one layer of high thermal conductivity polymer comprises a cooling duct separator disposed between said layer of cooling duct insulation and adjacent ones of said copper strands.
4 more elements
Dependencies are inferred from the claim text.