High power induction work coil for small strip susceptors

Details High power induction work coil for small strip susceptors High power induction work coil for small strip susceptors

1991-10-18

1994-05-17

Reynolds, Bruce A.

Electric heating

Inductive heating

With heat exchange

219633, 219642, 336 55, 336 61, H05B 636

Patent

active

053130375

ABSTRACT:
There is disclosed a high power induction heating coil for use in thermoplastic welding where a metallic susceptor is imbedded in a composite assembly and is heated by eddy currents generated by the coil. The coil is comprised of several windings of Litz wire composed of multiple individually insulated strands of copper wire. The coil is wound on a circular E core having a coolant conduit through the center of the core. Coolant is introduced through the central core and returned by circulating through the loosely wound coil to the coolant source.

REFERENCES:
patent: 2547045 (1951-04-01), Sabol
patent: 2547065 (1951-04-01), Wadhams
patent: 3144627 (1964-08-01), Dunnabeck et al.
patent: 4424502 (1984-01-01), Kullinger et al.
patent: 4478669 (1984-10-01), Zeller et al.
patent: 4521659 (1985-06-01), Buckley et al.
patent: 4629843 (1986-12-01), Kato et al.
patent: 4761527 (1988-08-01), Mohr
patent: 4956626 (1990-09-01), Hoppe et al.

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