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US 11,335,497 B2Granted
Electromagnetic coils and methods of making same
AssigneeMeggit Aerospace Limited
InventorChristopher Simon Elliott
Life of this patent
Estimating the term…
Abstract
An electromagnetic coil that can withstand high temperatures and operate efficiently and methods of making the same are provided. In preferred embodiments the electromagnetic coil comprises: a bobbin made entirely of ceramic; a coiled conductor wrapped around the bobbin; a potting resin applied to the coiled conductor during winding wherein, the resin is a siloxane polymer mixed with a metal oxide or a cyanate ester; and an overwind made of glass fiber yarn.
Claims11
An electromagnetic coil comprising:
- a bobbin made of ceramic;
- a coiled conductor wrapped around the bobbin;
- a potting resin applied to the coiled conductor from the bobbin outward wherein, the potting resin is a siloxane polymer mixed with a metal oxide;
- and
- an overwind made of glass fiber yarn.
2 more elements
An electromagnetic coil comprising:
- a bobbin made of ceramic;
- a coiled conductor wrapped around the bobbin;
- a potting resin applied to the coiled conductor from the bobbin outward wherein, the potting resin is a siloxane polymer mixed with a filler and the filler comprises between 55% and 62% of the potting resin;
- and
- an overwind made of glass fiber yarn.
2 more elements
Dependencies are inferred from the claim text.