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公开(公告)号：US11614243B2
公开(公告)日：2023-03-28
申请号：US16957095
申请日：2018-12-13
发明人： Takeshi Takahara , Hideki Ishikawa , Suguru Nakagawa , JeiMin Choi , JaeSung Yoo , Joonho Yoon , DongSik Jin
摘要： The present disclosure is to reduce a blowing resistance while securing a mechanical strength of a fan guard.
An outdoor unit 100 includes a housing 10 in which an air discharge port X is formed on an upper wall 11, a blowing fan 20 disposed inside the housing 10 to correspond to the air discharge port X, and a fan guard 30 configured to cover the blowing fan 20, wherein the fan guard 30 includes a plurality of annular ribs 32 disposed to be spaced apart from each other in a radial direction of the blowing fan 20, and radial ribs 33 configured to connect a plurality of the annular ribs 32, and wherein the radial ribs 33 are formed such that free ends 3a thereof are bent in the same direction in a cross section orthogonal to a stretching direction and a pair of opposing piece portions 3b including each of the free ends 3a are in surface contact with each other.-
公开(公告)号：US11365892B2
公开(公告)日：2022-06-21
申请号：US16629227
申请日：2018-07-06
发明人： Tadaharu Nagai , Takeshi Takahara
IPC分类号： F24F1/0063 , F24F1/0067 , F24F13/30 , F28F9/00 , F24F1/0007 , F28D1/04 , F28D1/02
摘要： Disclosed is a heat exchanger to reduce height and manufacturing cost. A heat exchanger includes a first heat exchanger provided in the form of a plate; and a second heat exchanger provided in the form of a plate and arranged to be inclined to the first heat exchanger, wherein a corner of at least one of an end of the first heat exchanger and an end of the second heat exchanger is positioned to face a plane of the other of the end of the first heat exchanger and the end of the second heat exchanger.
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公开(公告)号：US11976855B2
公开(公告)日：2024-05-07
申请号：US17098015
申请日：2020-11-13
CPC分类号： F25B39/022 , F25B13/00
摘要： A heat exchanger and an air conditioner including the same. The heat exchanger includes a plurality of heat transfer tubes formed in a flat shape and configured to allow a refrigerant to flow in a vertical direction therein. The heat transfer tube includes a gas refrigerant region including one end connected to a refrigerant inlet port and another end disposed above the refrigerant inlet port; a two-phase refrigerant region including one end connected to the other end of the gas refrigerant region and another end disposed below a refrigerant outlet port; and a liquid refrigerant region including one end connected to the other end of the two-phase refrigerant region and another end connected to the refrigerant outlet port.
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公开(公告)号：US11629891B2
公开(公告)日：2023-04-18
申请号：US16483378
申请日：2018-02-02
发明人： Masaki Saito , Takeshi Takahara , Kimio Koda , Kazushige Tajima
摘要： The present disclosure relates to a heat pump system comprising an outdoor unit disposed in an outdoor space, a plurality of thermal load units supplied with cool air and hot air, and an intermediate unit disposed between the outdoor unit and the plurality of thermal load units, wherein the intermediate unit is connected to the outdoor unit through refrigerant pipes and connected to the plurality of thermal load units through thermal medium pipes.
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公开(公告)号：US11988462B2
公开(公告)日：2024-05-21
申请号：US17405425
申请日：2021-08-18
发明人： Yo Agata , Hyunyoung Kim , Kentaro Imagawa , Takeshi Takahara
摘要： A heat exchanger is provided. The heat exchanger includes a configuration in which a heat transfer tube having a flat shape passes through a plurality of fins, and capable of securing drainage performance of condensed water retained on a surface of the heat transfer tube while improving a heat transfer rate, and further capable of suppressing an increase in ventilation resistance. The heat exchanger includes a heat transfer tube formed in a flat shape, and a plurality of fins, and a refrigerant flowing inside the heat transfer tube exchanges heat with air flowing between the plurality of fins. The fin includes a heat transfer expansion surface including a peak portion and a valley portion provided along an air flow direction, and a drain structure provided to overlap the heat transfer expansion surface.
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公开(公告)号：US11698234B2
公开(公告)日：2023-07-11
申请号：US16811949
申请日：2020-03-06
发明人： Sangmu Lee , Hyun Young Kim , Masaki Saito , Masatoshi Takahashi , Takeshi Takahara , Kangtae Seo , Kazushige Tajima , Ryo Inoha , Tsutomu Shimizu
CPC分类号： F28F9/0275 , F24F13/30 , F28F2009/0295
摘要： An air conditioner including a distributor configured to distribute a fluid to a heat exchanger. The distributor comprises a main pipe; a partition defining a plurality of distribution paths in the main pipe; a first branched pipe inserted into the main pipe as much as first length, linked to a first distribution path of the plurality of distribution paths, connected to a first portion of the heat exchanger; and a second branched pipe inserted into the main pipe as much as second length different from the first length, linked to the first distribution path, connected to a second portion of the heat exchanger. A flow velocity of air exchanging heat at the first portion of the heat exchanger is faster than a flow velocity of air exchanging heat at the second portion of the heat exchanger. The first length is shorter than the second length.
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