Stator slot liners
First Claim
Patent Images
1. A slot liner for a stator assembly of a power system, the slot liner comprising:
- a mesh structural member; and
a coating disposed on at least one side of the mesh structural member, the coating comprising a mixture ofa high thermal conductivity electrical insulating (HTCEI) filler, the HTCEI filler comprising particles of at least one of boron nitride, aluminum nitride, or a diamond material; and
a polyimide resin.
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Abstract
A slot liner for a stator assembly in one embodiment includes a mesh structural member and a coating. The coating is disposed on at least one side of the mesh structural member, and includes a mixture of a filler and a polyimide resin. The filler is a high thermal conductivity electrical insulating (HTCEI) filler, and includes particles of at least one of boron nitride, aluminum nitride, or a diamond material.
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Citations
20 Claims
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1. A slot liner for a stator assembly of a power system, the slot liner comprising:
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a mesh structural member; and a coating disposed on at least one side of the mesh structural member, the coating comprising a mixture of a high thermal conductivity electrical insulating (HTCEI) filler, the HTCEI filler comprising particles of at least one of boron nitride, aluminum nitride, or a diamond material; and a polyimide resin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A stator assembly for a power system, the stator assembly comprising:
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an annular member defining a bore; slots formed in the annular member having openings extending toward the bore; windings passing through the slots; and slot liners disposed in the slots and interposed between the windings and the annular member, wherein the slot liners comprise; a mesh structural member; and a coating disposed on at least one side of the mesh structural member, the coating comprising a mixture of a high thermal conductivity electrical insulating (HTCEI) filler, the HTCEI filler comprising particles of at least one of boron nitride, aluminum nitride, or a diamond material; and a polyimide resin. - View Dependent Claims (10, 11, 12)
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13. A method comprising:
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providing a mesh structural member, a polyimide resin precursor, and a high thermal conductivity electrical insulating (HTCEI) filler, the HTCEI filler comprising particles of at least one of boron nitride, aluminum nitride, or a diamond material; mixing the polyimide resin precursor and the HTCEI filler to provide a coating; coating at least one side of the mesh structural member with the coating to provide a liner material; curing the liner material; and forming the liner material into a shape configured to be accepted by a slot of a stator assembly. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification