Induction generator to heat metallic pipes with a continuous pro

Details Induction generator to heat metallic pipes with a continuous pro Induction generator to heat metallic pipes with a continuous pro

1996-11-22

1998-07-07

Leung, Philip H.

Electric heating

Inductive heating

Metal working

219608, 219611, 219615, 219651, 219662, 219656, H05B 608

Patent

active

057772991

ABSTRACT:
An induction heating generator is described for braze-welding metallic pipes with a continuous process under a controlled atmosphere, comprising at least one heating inductor composed of two half-inductors in series whose winding directions for their windings are one opposite to the other. The generator is further equipped with a quartz tube placed inside the inductors and in which the metallic pipes pass together with the controlled atmosphere gas. The generator further includes at least one removable sealing insert to join two contiguous inductors. For every medium- and/or high-frequency section of the generator, a load matching system is finally provided to compensate for external diameter variations of the pipes, the system being interlacedly handled by a programmable controller (P.L.C.).

REFERENCES:
patent: 3521018 (1970-07-01), Boerger et al.
patent: 3531612 (1970-09-01), Viart
patent: 4721836 (1988-01-01), Zeisse et al.
patent: 4755648 (1988-07-01), Sawa
patent: 4788394 (1988-11-01), Vaneste et al.
patent: 5571437 (1996-11-01), Rudd

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