Metallurgical apparatus – With control means responsive to sensed condition – With analyzer or computation means
Patent
1992-02-11
1993-11-23
Wyszomierski, George
Metallurgical apparatus
With control means responsive to sensed condition
With analyzer or computation means
266 87, 266 94, 266202, C21D 1100
Patent
active
052636895
ABSTRACT:
Apparatus for producing a metal powder includes a cooled hearth structure in which a metallic alloy is melted and a heat source above the hearth positioned to heat the melt in the hearth. The cooling of the hearth causes a protective hearth skull to form between the melt and the hearth itself. The hearth is placed within an environmental control chamber. A supply structure provides a continuous supply of the metallic alloy to the hearth structure from the exterior of the chamber. A metal powder producer is positioned to receive molten metal from the hearth, and a continuous stream of the molten alloy from the hearth is transferred to the metal powder producer. The transfer is accomplished by tipping the hearth or by teeming through an opening in the bottom of the hearth. The hearth structure can utilize two individual hearths, controllably arranged so that molten metal is drawn from one hearth while the other is recharged.
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Hopkins Joseph
Jackson Joseph J.
Lober Richard W.
Menzies Richard G.
Mourer David P.
General Electric Company
Maria Carmen Santa
Squillaro Jerome C.
Wyszomierski George
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