Electric heating – Inductive heating – Specific inductor configuration
Patent
1994-03-17
1995-10-24
Leung, Philip H.
Electric heating
Inductive heating
Specific inductor configuration
219670, 219674, 174 156, 336 57, 439196, 439485, H05B 642, H01B 734
Patent
active
054612152
ABSTRACT:
A fluid cooled RF transmission cable, transformer primary or secondary winding, and induction heating coil incorporating litz cable is disclosed. The heating coil comprises: a litz cable including a bundle of mutually electrically insulated, intermixed wire filaments, and a coolant tube, surrounding the litz wire, for conveying a fluid for removing heat generated by the litz cable. Also a combined coolant and electrical connector for providing an electrical connection and coolant to an inductive heating coil including a coolant tube and a litz cable housed inside the coolant tube is described. The connector comprises a tubular conductive member having an inner bore extending through the member, a distal end of the member sealably joining a terminal end of the coolant tube, to place the inner bore in communication with inside of the coolant tube, the litz cable extending into the inner bore and terminating in a low resistance electrical connection to the member, a proximal end of the member adapted for connection to one of a coolant source and a coolant intake.
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Leung Philip H.
Massachusetts Institute of Technology
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