Method for introducing additives to liquid metal,...

Details Method for introducing additives to liquid metal,... Method for introducing additives to liquid metal,...

2007-12-11

2007-12-11

Kastler, Scott (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C266S216000

Reexamination Certificate

active

11491443

ABSTRACT:
The method introduces additives into a flowing melt or fluidized metallic/ceramic powder media in a pulsed high pressure manner. The nozzle needle of at least one nozzle is variable and highly precisely moved for the introduction by means of a device and in such a way that additive is dosed exactly in relation to the volume flow of the medium. The pulsating additive stream is injected into the flowing medium by at least one well-aimed nozzle opening. The additives are dosed by means of a pressure that can be variably adjusted by pulse width and pulse frequency. The desired homogenous distribution is obtained by the penetrating injection jet.

REFERENCES:
patent: 4474717 (1984-10-01), Hendry
patent: 5129629 (1992-07-01), Christensen
patent: 6866171 (2005-03-01), Ickinger
patent: 2005/0077642 (2005-04-01), Ickinger
patent: 2006/0272702 (2006-12-01), Ickinger

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