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    Method for protecting an inner wall of a shaft furnace
    1.
    发明授权
    Method for protecting an inner wall of a shaft furnace 有权

    公开(公告)号：US12235047B2

    公开(公告)日：2025-02-25

    申请号：US17299182

    申请日：2019-12-13

    Applicant: PAUL WURTH S.A.

    Inventor： Nicolas Maggioli ,  Esmer Mustafa

    IPC: F27D1/16 ,  F27B1/14 ,  F27D1/00 ,  F27D1/04

    Abstract: A method for protecting an inner wall (12) of a shaft furnace, the method comprising the steps of: providing at least one injection device (28) through the inner wall (12) of the shaft furnace, the injection device (28) being configured to inject protective material into the shaft furnace; and injecting on demand the protective material into the shaft furnace through the injection device (28), in such a manner that the protective material builds up to form a protection wall between the interior of the shaft furnace and the furnace wall (12).

    Binder trap system
    4.
    发明授权
    Binder trap system 有权

    公开(公告)号：US12233459B1

    公开(公告)日：2025-02-25

    申请号：US18091457

    申请日：2022-12-30

    Applicant: Donald Francis Heaney

    Inventor： Donald Francis Heaney

    IPC: B22F3/10 ,  B22F3/00 ,  B33Y40/20 ,  F27B17/00 ,  F27D7/02 ,  F27D19/00

    Abstract: A binder trap system that has more than one binder trap. All of the binder traps are independently connected to a chill unit. The chill unit provides chilled fluid at a precise temperature to chill contents of the binder traps. All of the binder traps are independently connected to a heat unit. The heat unit provides heated fluid at a precise temperature to heat contents of the binder traps. The binder trap system has the capability to independently be chilled or heated from all of the other binder traps in the system.

    Furnace muffle for sintering a ribbon material
    7.
    发明授权
    Furnace muffle for sintering a ribbon material 有权

    公开(公告)号：US12228341B2

    公开(公告)日：2025-02-18

    申请号：US17590329

    申请日：2022-02-01

    Applicant: CORNING INCORPORATED

    Inventor： Brittany Lynn Higgins ,  Dale Charles Marshall ,  Gary Edward Merz ,  Richard Alan Shelleman ,  Bin Yang

    IPC: F27B5/10 ,  C01F7/021 ,  F27D1/00 ,  F27D1/10

    Abstract: A furnace may include a furnace muffle that can accommodate relatively larger workpieces than other furnaces. The furnace muffle may include a cover that includes one or more sets of plates. The plates may be configured to prevent sag during extended runtimes while still enabling the furnace to reach a temperature (e.g., a temperature between 1590° C. and 1650° C.) for sintering a workpiece. In some examples, the cover may include a first set of plates of a first material (e.g., a first alumina refractory material) and a second set of plates of a second material (e.g., a second alumina refractory material). The second material may have greater thermal conductivity than the first material. Accordingly, plates of the second set may be located in higher temperature zones of the furnace to enable efficient heat transfer from heater elements through the furnace muffle to a contact plate where a workpiece is heated.

    Cold crucible
    8.
    发明授权
    Cold crucible 有权

    公开(公告)号：US12228340B2

    公开(公告)日：2025-02-18

    申请号：US17429228

    申请日：2020-02-06

    Applicant: INSTITUT POLYTECHNIQUE DE GRENOBLE ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  UNIVERSITE GRENOBLE ALPES

    Inventor： Kader Zaidat ,  Christian Garnier ,  Ghatfan Hasan

    IPC: F27B14/10 ,  C30B35/00 ,  H05B6/24 ,  H05B6/42

    Abstract: A cold crucible usable in the field of high-temperature production of monocrystalline materials. The cold crucible includes: a cold cage which has sectors made of a material having good electrical conductivity and in which a charge is melted, and a cooling device with heat transfer fluid, configured to cool each segment of the cold cage from the inside. The cold crucible is essentially such that it further includes at least one device for generating a static magnetic field, each generating device being housed inside one of the sectors of the cold crucible. Each static magnetic field thus generated having the effect of slowing down the electromagnetic stirring of the molten charge, such that it is possible to produce monocrystalline ingots of significantly larger diameter than the diameter of the seed initiating their growth.

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