[특허]Furnace for directional solidification casting

Furnace for directional solidification casting 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B22D-025/00 B22D-027/04
출원번호	US-0892434 (1978-03-31)
발명자 / 주소	Smashey Russell W. (Albuquerque NM)
출원인 / 주소	General Electric Company (Cincinnati OH 02)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록

A directional solidification melting and self-casting apparatus is improved through the provision of a multi-zoned, self-casting furnace including the combination of an induction heated, insitu charge melting upper zone and a resistance heated lower zone.

대표청구항 ▼

In a directional solidification melting and self-casting apparatus of the withdrawal type including a furnace, means to supply electric power to the furnace, means to control the electric power to control heat within the furnace, means to move a mold into and out of the furnace and means to maintain desired atmospheric conditions within the apparatus, the furnace being of a multi-zone, enclosed, insitu charge melting and self-casting type comprising, in combination: a resistance heated zone; and an induction heated zone; the resistance heated zone being a directional solidification casting furnace including: (a) resistance heated walls having an inner surface which defines a lateral boundary of a resistance heated hollow interior, (b) a stationary chill disposed peripherally substantially vertically beneath said walls, (c) a peripherally disposed radiation baffle disposed between said walls and said stationary chill, and (d) a platform disposed axially within the apparatus and movable vertically and adapted to carry a casting mold into which molten metal is disposed; the improvement wherein: the induction heated zone is disposed above, aligned with and communicates directly with the resistance heated zone to define the resistance heated zone as a lower zone and the induction heated zone as an upper zone, the upper zone including: (a) upper walls having an inner surface enclosing an upper hollow interior substantially vertically aligned and coextensive with the resistance heated hollow interior and carrying at said inner surface an open bottom induction heating coil about the periphery of the upper hollow interior the inner surface of the resistance heated walls and the inner surface of the upper walls defining a substantially continuous inner furnace wall adapted to be in close proximity to lateral walls of the casting mold carried by the platform, and (b) a furnace top member disposed across the upper walls and upper hollow interior to define an upper boundary of the hollow interior.

이 특허를 인용한 특허 (24)

Hemmerdinger Louis H. (Old Bethpage NY) Knowles Gregory W. (Lexington VA) Patterson George B. (Bellport NY), Apparatus for directional solidification of a crystal material.
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Higashida, Takaaki; Kubo, Takashi; Toyoda, Kaori; Maeshima, Satoshi, Apparatus for manufacturing thermoelectric conversion element.
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Kuang-O Yu ; Alex Simkovich, Bottom pouring fully dense long ingots.
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Soderstrom, Mark L.; Donaldson, Bradley; Brinegar, John R., Directional solidification method and apparatus.
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Yoshinari Akira (Katsuta JPX) Saito Tosiaki (Katsuta JPX) Iijima Katsumi (Hitachi JPX) Ishida Tadami (Hitachi JPX) Hashida Ryozo (Katsuta JPX) Kano Kimio (Sendai JPX), Gas turbine, gas turbine blade used therefor and manufacturing method for gas turbine blade.
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Tenzek, Anthony M.; Lazor, David A., Induction furnace for melting granular materials.
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Hugo Franz Waldemar Ernst,DEX ; Betz Ulrich,DEX ; Mayer Helmut,DEX, Liquid metal bath furnace and casting method.
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Hauser Jean-Michel (Meudon FRX) Pautonnier Fernand (Paris FRX) Rabinovitch Maurice (Chatillon FRX), Method and an apparatus for manufacturing metallic composite material bars by unidirectional solidification.
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Frasier, Donald J.; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Kush, Matthew; Schlienger, Max Eric; Baldwin, Michael, Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Kush, Matthew T., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Kush, Matthew T., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Reymann, Helge, Method and device for coating a product.
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Iida, Makoto, Method for producing a single crystal.
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Graham,Lawrence D.; Hill,Scott T., Method of casting.
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Goodwin, Richard Stanley; Roberts, Stephen, Method of mitigating against thermal contraction induced cracking during casting of a super Ni alloy.
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Goddard, John; Mills, David; Moulden, Alan J., Method of, and apparatus for, producing castings in a vacuum.
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Chiang Feng, Spool shields for producing variable thermal gradients in an investment casting withdrawal furnace.
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Schmid, Frederick; Khattak, Chandra P.; Joyce, David B., System and method for crystal growing.
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Schmid,Frederick; Khattak,Chandra P.; Joyce,David B., System and method for crystal growing.
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Chiang Feng ; Peterson Omer Carl, Withdrawal elevator mechanism for withdrawal furnace with a center cooling spool to produce DS/SC turbine airfoils.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Furnace for directional solidification casting 원문보기

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Furnace for directional solidification casting 원문보기

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이 특허를 인용한 특허 (24)

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