Method of scaleless induction heating

Details Method of scaleless induction heating Method of scaleless induction heating

1993-12-27

1995-05-02

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148572, 148573, 148575, C21D 142, C21D 932

Patent

active

054116120

ABSTRACT:
A method and apparatus for carrying out scaleless inductive heating of ferrous parts comprising (i) using an integrated manifold-inductor quenchant device, and while gradually flowing a diluted combustible gas into the spacing between the inductor and part surface to be heated, inductively heating such surface as part of a heat treating cycle; and (ii) concurrently stopping such flow and injecting a fluid quenchant through the spacing to rapidly lower the temperature of the part surface to complete the heat treating cycle. Advantageously such method may further comprise flushing the spacing between the inductor and heated part surface, and then repeating the steps of the prior method to treat more parts with the same inductor.

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patent: 4438310 (1984-03-01), Cachat
patent: 4628167 (1986-12-01), West
patent: 4871403 (1989-10-01), Ludkovsky

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