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公开(公告)号：US20230072688A1
公开(公告)日：2023-03-09
申请号：US17800954
申请日：2021-02-24
发明人： Koichi TANIMOTO , Nobuhide HARA , Hiroyuki NAKAHARAI , Yoichi UEFUJI , Takuo ODA , Shunsaku EGUCHI , Masaya HATANAKA , Tatsuya KAMEYAMA
摘要： A heat exchanger core includes: a first passage row which is formed by a plurality of first passages; a plurality of first dividing walls separating the plurality of first passages from each other; a second passage row which is disposed adjacent to the first passage row and is formed by a plurality of second passages; a plurality of second dividing walls separating the plurality of second passages from each other; and a partition wall located between the first passage row and the second passage row, and separating the plurality of first passages and the plurality of second passages. (a) The partition wall has a greater section modulus in an orthogonal direction than either the first dividing wall or the second partition, or (b) a constituent material of the partition wall has a greater breaking strength than a constituent material of either the first dividing wall or the second dividing wall.
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公开(公告)号：US20220268527A1
公开(公告)日：2022-08-25
申请号：US17575028
申请日：2022-01-13
发明人： Keisuke YOSHIDA , Takeshi KANEKO , Koichi TANIMOTO , Hiroyuki NAKAHARAI , Yoichi UEFUJI , Nobuhide HARA , Kenji KIRIHARA , Masahiko NAGAI , Koichiro IIDA , Yuta TAKAHASHI , Shunsaku EGUCHI
摘要： A heat exchanger according to one embodiment includes: a heat exchange core; a shell provided to surround the heat exchange core; and a first partition wall that is provided in a space surrounded by an outer surface of the heat exchange core and an inner surface of the shell, and partitions the space into a first header space communicating with the heat exchange core and a second header space communicating with the heat exchange core. The first header space and the second header space are adjacent to each other, separated by the first partition wall.
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公开(公告)号：US20230349641A1
公开(公告)日：2023-11-02
申请号：US17800665
申请日：2021-02-24
发明人： Masaya HATANAKA , Hiroyuki NAKAHARAI , Nobuhide HARA , Yoichi UEFUJI , Shunsaku EGUCHI , Takuo ODA , Koichi TANIMOTO , Masashi KITAMURA
摘要： A heat exchanger core includes: a plurality of internal passages; and a header passage communicating with the plurality of internal passages. An inner wall of the header passage has greater surface roughness than passage walls of the plurality of internal passages.
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公开(公告)号：US20230092417A1
公开(公告)日：2023-03-23
申请号：US17798202
申请日：2021-02-24
发明人： Hiroyuki NAKAHARAI , Nobuhide HARA , Yoichi UEFUJI , Koichi TANIMOTO , Masaya HATANAKA , Shunsaku EGUCHI , Takuo ODA
摘要： In a header of a heat exchanger core, a header passage includes: at least one radial passage extending along a radial direction, and a plurality of circumferential passages branched from each radial passage and communicating with one or more of the axial passages, respectively. The flow passage area of each radial passage is smaller in a second position than in a first position, where the second position is inward of the first position in the radial direction.
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公开(公告)号：US20220412674A1
公开(公告)日：2022-12-29
申请号：US17801214
申请日：2021-02-24
发明人： Shunsaku EGUCHI , Minemasa OMURA , Yoichi UEFUJI , Hiroyuki NAKAHARAI , Koichi TANIMOTO , Masaya HATANAKA , Nobuhide HARA , Takuo ODA
IPC分类号： F28F9/02
摘要： A heat exchanger core according to an embodiment includes: a first header space; a plurality of first layered header passages; a plurality of first communication port rows; and a plurality of first passages. The plurality of first layered header passages are stacked in a perpendicular direction to a reference plane so as to each extend along the reference plane. Each first layered header passage has an open end at a first edge adjacent to the first header space and communicates with the first header space through the open end. The plurality of first communication port rows are arranged in the perpendicular direction so as to correspond to the plurality of first layered header passages, respectively. Each first communication port row is formed by a plurality of first communication ports arranged along the reference plane. The plurality of first passages communicate with any of the first layered header passages through the plurality of first communication ports.
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公开(公告)号：US20220252350A1
公开(公告)日：2022-08-11
申请号：US17558997
申请日：2021-12-22
发明人： Takeshi KANEKO , Koichi TANIMOTO , Hiroyuki NAKAHARAI , Yoichi UEFUJI , Koichiro IIDA , Nobuhide HARA , Masaya HATANAKA , Masashi KITAMURA , Shunsaku EGUCHI
摘要： A heat exchange core according to one embodiment includes: a header flow path that extends in a first direction; and a plurality of branching flow paths that are connected to the header flow path and extend in a second direction intersecting with the first direction. A first angle formed by the header flow path with respect to a virtual connection plane between the header flow path and the plurality of branching flow paths is less than a second angle formed by the branching flow paths with respect to the connection plane.
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公开(公告)号：US20230087617A1
公开(公告)日：2023-03-23
申请号：US17801402
申请日：2021-02-24
发明人： Shunsaku EGUCHI , Nobuhide HARA , Hiroyuki NAKAHARAI , Yoichi UEFUJI , Masaya HATANAKA , Takuo ODA , Koichi TANIMOTO
摘要： A heat exchanger core includes a core formed such that a pair of adjacent passages are folded on top of one another while being adjacent. At least one passage of the pair of adjacent passages has a pair of adjacent passage portions between which the other passage is not interposed in a direction in which the passages lie on top of one another. The core has a heat insulation layer between the pair of passage portions.
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公开(公告)号：US20230079473A1
公开(公告)日：2023-03-16
申请号：US17799837
申请日：2021-02-24
发明人： Masaya HATANAKA , Hiroyuki NAKAHARAI , Nobuhide HARA , Yoichi UEFUJI , Shunsaku EGUCHI , Takuo ODA , Koichi TANIMOTO , Masashi KITAMURA , Tanehiro SHINOHARA
摘要： A heat exchanger for heat exchange between a first fluid and a second fluid is provided with: a body part which is an additive manufactured body and includes a first passage through which the first fluid flows and a second passage through which the second fluid flows; and a covering part attached to the body part. The body part has a first opening portion of the first passage and a second opening portion of the second passage, and the covering part is attached to the body part so as to cover exposure of the first opening portion and the second opening portion.
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9.发明申请公开(公告)号：US20230076052A1
公开(公告)日：2023-03-09
申请号：US17800947
申请日：2021-02-24
发明人： Koichi TANIMOTO , Nobuhide HARA , Hiroyuki NAKAHARAI , Yoichi UEFUJI , Takuo ODA , Shunsaku EGUCHI , Masaya HATANAKA
摘要： A cleaning method for a heat exchanger is a cleaning method for a heat exchanger which includes a header passage and a plurality of internal passages connected to the header passage, that includes: a step of supplying a cleaning fluid, via the header passage, to some of the plurality of internal passages connected to the header passage, selectively.
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公开(公告)号：US20220290924A1
公开(公告)日：2022-09-15
申请号：US17637521
申请日：2020-02-26
发明人： Shunsaku EGUCHI , Minemasa OMURA , Takuo ODA
摘要： Provided is a technique to achieve equalization of stress in a heat exchange core. The heat exchange core which performs heat exchange between a first fluid and a second fluid includes a circular first cross-section in which a first flow path group for the first fluid and a second flow path group for the second fluid are positioned. First flow paths included in the first flow path group and second flow paths included in the second flow path group are annularly arranged in the first cross-section. The first flow path group and the second flow path group are concentrically arranged as a whole in the first cross-section. Each of the first flow paths and the second flow paths is divided into a plurality of sections in a circumferential direction of the heat exchange core.
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