System for gas purification in an induction vacuum furnace and method of making same

Inactive Publication Date: 2015-08-13
GENERAL ELECTRIC CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0005]It would therefore be desirable to have an induction furnace that provides for a decrease in

Problems solved by technology

However, this rapid gas movement can disturb dirt, dust, oil vapor and other impurities in the system and can greatly impact components susceptible to such impurities.
Such contaminat

Method used

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  • System for gas purification in an induction vacuum furnace and method of making same
  • System for gas purification in an induction vacuum furnace and method of making same
  • System for gas purification in an induction vacuum furnace and method of making same

Examples

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Embodiment Construction

[0020]Referring to FIGS. 1 and 2, the major components of an induction furnace 100 are shown. Induction furnace 100 includes an induction heating system 102 inside a chamber 104. Induction heating system 102 includes an insulation cylinder 106 having a side wall 108, a top or first cover 110 for sealing one end of cylinder 106, and a base or second cover 112 for sealing the second end of cylinder 106. Induction heating system 102 includes a coil 114 and a power supply (not shown) that provides an alternating current that flows through coil 114 during a heating cycle. Coil 114 is wound to form a helical shape within chamber 104 about insulation cylinder 106 as shown in FIG. 1.

[0021]Contained within insulation cylinder 106 is a susceptor 116 that is susceptible to induction heating. That is, when an alternating current flows through coil 114, an alternating magnetic field is generated that induces eddy currents and other effects in susceptor 116 that cause the susceptor 116 to heat. T...

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Abstract

A system and method for removing impurities in an induction furnace cooling system is disclosed. An induction furnace for heating a workpiece includes a chamber, an induction coil positioned in the chamber to provide for heating of the workpiece when a current is provided to the induction coil, and a cooling system fluidly coupled to an interior volume of the chamber, the cooling system including a heat exchanger, a blower fluidly coupled to the heat exchanger and configured to cause a gas to flow through the heat exchanger, and a filter assembly comprising a filtering device, the filter assembly fluidly coupled to the blower and configured to remove impurities from the gas flowing through the cooling system.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This is a national stage application under 35 U.S.C. §371(c) of prior-filed, co-pending, PCT application serial number PCT / US2013 / 039737, filed on May 6, 2013, 2013, which claims priority to U.S. Provisional Application No. 61 / 694,869, filed Aug. 30, 2012, the contents of which are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]Embodiments of the invention relate generally to induction furnaces for heating a workpiece in an inert atmosphere or vacuum and, more particularly, to a system for providing cooling to a workpiece in a uniform fashion, so as to reduce thermal stress in the workpiece.[0003]Conventional induction furnaces include an induction heating system and a chamber that contains a susceptor that is susceptible to induction heating, with the chamber enclosing an inert atmosphere or vacuum therein. An electromagnetic coil sits outside the susceptor and receives high frequency alternating current from a power su...

Claims

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Application Information

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IPC IPC(8): F27B14/04F27D9/00F27B14/06
CPCF27D2021/0078F27D2009/0075F27B14/04F27B2014/066F27D9/00F27B2014/0837F27B14/061B23P19/00F27B5/04F27B5/14F27B14/08F27B2005/062F27B2014/045F27B2014/0831F27B2014/0887F27D7/06F27D11/06H01F5/02H05B6/105H05B6/26Y10T29/4902Y10T29/49826
Inventor STEINLAGE, GREGORY ALANSZUGYE, MICHAEL LOUISPOQUETTE, BEN DAVIDVANSUMEREN, MARK ANDREWWILCOX, DALE R.COSTANTINO, PETER M.TUMIA, TIMOTHY C.DALLICARDILLO, GIOVANNI A.
Owner GENERAL ELECTRIC CO
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