Magnetic yoke for an induction crucible furnace

Details Magnetic yoke for an induction crucible furnace Magnetic yoke for an induction crucible furnace

1992-05-11

1993-09-21

Reynolds, Bruce A.

Industrial electric heating furnaces

Induction furnace device

Coreless

373151, 373152, 373154, 373160, 29732, 335 18, 335227, 2041295, 2041296, H05B 622

Patent

active

052475395

ABSTRACT:
A magnetic yoke for an induction crucible furnace includes a rod-shaped core stack being suitable for carrying magnetic flux generated by a furnace coil of the induction crucible furnace. The core stack is enclosed on three principal surfaces thereof not facing the furnace coil by a flexurally and torsionally rigid support body having a C or U-shaped cross section. The support body is preferably formed of a material with good electrical conductivity and has longitudinal channels suitable for carrying a coolant. Preferably, an extruded profiled part formed of an aluminum alloy is used.

REFERENCES:
patent: 1827274 (1931-10-01), Willcox
patent: 1830481 (1931-11-01), Northrup
patent: 1834445 (1931-12-01), Brace
patent: 2852587 (1958-09-01), Junker
patent: 2997512 (1961-08-01), Tama
patent: 3602625 (1971-08-01), Duca
patent: 3704336 (1972-11-01), Synneetvedt
patent: 4198614 (1980-04-01), Ragland, Jr.
patent: 4873698 (1989-10-01), Boen
Publication No. D MelD118 289 D (ABB).

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