Support for induction heated workpieces

Details Support for induction heated workpieces Support for induction heated workpieces

1984-01-12

1985-01-29

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1067, 219 1043, 219 95, H05B 610

Patent

active

044968183

ABSTRACT:
Heat exchanger cores comprising an assembly of elongated vertical and horizontal parts are brazed by induction heating in a vacuum chamber where the magnetic heating field is disposed at an angle to the vertical and horizontal planes for uniform heating. Steel supports for strength and durability are used to hold the cores in the vacuum chamber. A pair of elongated steel fixtures engage opposite sides of each heater core, the fixtures having recesses at their outboard surfaces. A rectangular frame having a pair of support rods is held by brackets within the chamber to orient the plane of the frame parallel to the magnetic field to minimize electrical heating of the frame. The recesses in the fixtures engage the support rods of the frame in a manner to hold the vertical parts in a vertical plane and to prevent rotation of the core by action of the magnetic field on the core.

REFERENCES:
patent: 4433227 (1984-02-01), Brittin
patent: 4443678 (1984-04-01), Jacovides et al.

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