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公开(公告)号：US20190178492A1
公开(公告)日：2019-06-13
申请号：US16060153
申请日：2016-12-02
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Yasutaka OZEKI , Yoshihiko TAKEMURA , Tomoyuki SUZUKI , Kei TAKAKURA , Hiroshi ITO , Keiichi MASHIO , Hiroshi AOYAGI , Takeshi KAWANA , Akira YAMASHITA , Ryutaro OKADA , Keita TSUNEMORI
Abstract: An ash discharge system has a conveyor device which transports clinker ash out of a region that is below a furnace bottom of a boiler furnace; and a separation device provided at a passage of the clinker ash from the furnace bottom to the conveyor device, the separation device including a separator which permits the clinker ash with a predetermined size or less to pass through the separator, and inhibits a large-mass clinker from passing through the separator, the large-mass clinker being the clinker ash with a size larger than the predetermined size.
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公开(公告)号：US20240149339A1
公开(公告)日：2024-05-09
申请号：US18280980
申请日：2022-03-07
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Shinya HIBINO , Ryutaro OKADA , Yoshimichi NOMURA , Kazushige FUJIMITSU
IPC: B22F7/06 , B22F3/10 , B22F3/16 , B22F3/22 , B22F7/00 , B23K1/00 , B23K1/19 , B23K35/30 , B32B15/01 , C22C19/05
CPC classification number: B22F7/06 , B22F3/10 , B22F3/16 , B22F3/225 , B22F7/008 , B23K1/0008 , B23K1/19 , B23K35/304 , B32B15/01 , C22C19/055 , B22F2301/15 , B22F2998/10 , B22F2999/00
Abstract: A first pre-sintered body composed of a powder made of a first Ni-based alloy is prepared, and a second pre-sintered body composed of a powder made of a second Ni-based alloy is prepared. Subsequently, the first and second pre-sintered bodies are positioned to face each other across a predetermined gap, and a joining material made of a Ni-based alloy having a lower liquidus temperature than the first and second Ni-based alloys is placed in a space that adjoins the first and second pre-sintered bodies and to which the gap opens. After the placing of the joining material, the first and second pre-sintered bodies are heated to melt the joining material, fill the gap with the molten joining material, and subsequently turn the first and second pre-sintered bodies into first and second sintered bodies, respectively.
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公开(公告)号：US20200087754A1
公开(公告)日：2020-03-19
申请号：US16616285
申请日：2018-05-11
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Shinya HIBINO , Kazushige FUJIMITSU , Yoshimichi NOMURA , Ryutaro OKADA
Abstract: A method for producing a high temperature component includes a shaping step of shaping a powder compact of a desired high temperature component shape using a specific powder shaping method, from an alloy powder of γ′ precipitation strengthening-type Ni-based alloy, and a crystal grain coarsening step of coarsening a crystal grain size of the powder compact by heat treatment, wherein the powder compact contains 0.002% or more and 0.07% or less of C, and 5.40% or more and 8.40% or less of Al+Ti by mass percentage.
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Patent Agency Ranking
公开(公告)号：US20240009736A1
公开(公告)日：2024-01-11
申请号：US18025557
申请日：2021-09-10
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Ryutaro OKADA , Shinya HIBINO , Kazushige FUJIMITSU
CPC classification number: B22F10/28 , B22F10/64 , C22C19/056 , C22C19/057 , C22F1/10 , B33Y10/00
Abstract: A shaped article production method includes: fabricating an intermediate article by powder bed fusion using a powder of a gamma prime precipitation strengthening Ni-based alloy; and heat-treating the intermediate article. The Ni-based alloy contains, in percent by mass, 7.0 to 17.0% Cr, 7.0 to 12.0% Co, 5.0 to 8.0% Al+Ti, 2.0 to 12.0% W, 1.5 to 4.4% Nb+Ta, 2.3% or less Mo, 0.3% or less C, 2.0% or less Hf, and 0.2% or less Zr. The fabricating the intermediate article includes applying a laser beam to a layer (3) of the powder along scan lines (4) parallel to one another. In applying the laser beam, a value obtained by dividing a pitch between the scan lines (4) by a laser spot diameter is in the range of 0.6 to 1.1.
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公开(公告)号：US20220145430A1
公开(公告)日：2022-05-12
申请号：US17438683
申请日：2020-03-09
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Ryutaro OKADA , Yoshimichi NOMURA , Kenichiro IGASHIRA
Abstract: A shaped article production method includes: fabricating an intermediate article by powder bed fusion using a powder of a gamma prime precipitation strengthening-type Ni-based alloy; and heat-treating the intermediate article. The Ni-based alloy contains, in percent by mass, 10 to 16% Cr, 4.5 to 7.5% Al, 2.8 to 6.2% Mo, 0.8 to 4% Nb+Ta, 0.01 to 2% Ti, 0.01 to 0.3% Zr, and 0.01 to 0.3% C. The fabricating the intermediate article includes applying a laser beam to a layer of the powder along scan lines parallel to one another, and in applying the laser beam, a value obtained by dividing a pitch between the scan lines by a laser spot diameter is in the range of 0.6 to 1.0.
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公开(公告)号：US20220267880A1
公开(公告)日：2022-08-25
申请号：US17739385
申请日：2022-05-09
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Shinya HIBINO , Kazushige FUJIMITSU , Yoshimichi NOMURA , Ryutaro OKADA
Abstract: A method for producing a high temperature component includes a shaping step of shaping a powder compact of a desired high temperature component shape using a specific powder shaping method, from an alloy powder of γ′ precipitation strengthening-type Ni-based alloy, and a crystal grain coarsening step of coarsening a crystal grain size of the powder compact by heat treatment, wherein the powder compact contains 0.002% or more and 0.07% or less of C, and 5.40% or more and 8.40% or less of Al+Ti by mass percentage.
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公开(公告)号：US20220145429A1
公开(公告)日：2022-05-12
申请号：US17438681
申请日：2020-03-09
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Ryutaro OKADA , Yoshimichi NOMURA , Kenichiro IGASHIRA
Abstract: A method of producing a shaped article by powder bed fusion using a powder of a gamma prime precipitation strengthening-type Ni-based alloy. The Ni-based alloy contains, in percent by mass, 10 to 16% Cr, 4.5 to 7.5% Al, 2.8 to 6.2% Mo, 0.8 to 4% Nb+Ta, 0.01 to 2% Ti, 0.01 to 0.3% Zr, and 0.01 to 0.3% C. In applying a laser beam to a layer of the powder along scan lines parallel to one another, a value obtained by dividing a pitch between the scan lines by a laser spot diameter is in the range of 0.2 to 1.0.
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公开(公告)号：US20190009303A1
公开(公告)日：2019-01-10
申请号：US16065828
申请日：2016-12-02
Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Inventor： Yasutaka OZEKI , Yoshihiko TAKEMURA , Tomoyuki SUZUKI , Kei TAKAKURA , Hiroshi ITO , Keiichi MASHIO , Hiroshi AOYAGI , Takeshi KAWANA , Akira YAMASHITA , Ryutaro OKADA , Keita TSUNEMORI
IPC: B07B1/12
Abstract: A grizzly apparatus includes a plurality of grizzly bars arranged at predetermined intervals in a second direction perpendicular to a first direction which is an extension direction of center axes of the grizzly bars. Each of the plurality of grizzly bars is rotatable in a direction opposite to a direction of rotation of its adjacent grizzly bar so that a slit through which a screening target object passes and a gap through which the screening target object does not pass alternately emerge, between adjacent grizzly bars. The guide includes an outer member forming its outer shape, and has at least one guide surface inclined with respect to the second direction in such a way that the guide surface descends as the guide surface advances in the second direction toward the slit to guide the screening target object having fallen onto the guide to the slit.
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