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公开(公告)号：US11384997B2
公开(公告)日：2022-07-12
申请号：US17048668
申请日：2018-06-13
Applicant: Mitsubishi Electric Corporation
Inventor： Tsuyoshi Maeda , Akira Yatsuyanagi , Tomohiko Takahashi , Yoshihide Asai , Hidetomo Nakagawa
Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where deterioration in drainage and ventilation properties is prevented, an air passage is not easily clogged when frost forms, and both defrosting properties and heat exchange performance are achieved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube. The plurality of fins each have an insertion portion in which the flat tube is inserted, a first spacer formed at a rim of the insertion portion and maintaining the interval, and a second spacer formed at a portion of the plate other than the rim of the insertion portion and maintaining the interval.
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公开(公告)号：USD787035S1
公开(公告)日：2017-05-16
申请号：US29517250
申请日：2015-02-11
Applicant: Mitsubishi Electric Corporation
Designer： Shingo Hamada , Katsumi Shibayama , Takashi Kitazumi , Katsuhiro Tozuka , Hiroshi Yoshikawa , Hiroaki Makino , Hidetomo Nakagawa
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3.发明授权公开(公告)号：US09857095B2
公开(公告)日：2018-01-02
申请号：US14813463
申请日：2015-07-30
Applicant: Mitsubishi Electric Corporation
Inventor： Seiji Hirakawa , Hidetomo Nakagawa , Nobutaka Tanabe , Motoshi Tezuka
CPC classification number: F24F13/20 , F24F11/30 , F24F2013/207 , F24F2120/10 , F24F2120/12
Abstract: In an indoor unit for an air-conditioning apparatus, a casing has an air inlet formed in an upper part and an air outlet formed below a front part. The casing accommodates a heat exchanger and fan. A horizontal airflow-direction louver is mounted pivotally inside the air outlet to guide airflow in a horizontally changeable manner. A vertical airflow-direction louver is mounted to cover the air outlet in a closed position and to guide airflow in a vertically changeable manner. An infrared sensor projects downward from the casing at a position in a horizontal end portion of the casing and in front of the air outlet. An airflow blocking portion is located behind the infrared sensor, and has a side wall on or beside one edge of the air outlet. The side wall is located closer to a center of the air outlet in the horizontal direction than the infrared sensor.
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公开(公告)号：USD800890S1
公开(公告)日：2017-10-24
申请号：US29588725
申请日：2016-12-22
Applicant: MITSUBISHI ELECTRIC CORPORATION
Designer： Shingo Hamada , Koji Sachimoto , Yosuke Kikuchi , Hajime Ikeda , Takashi Kobayashi , Seiji Hirakawa , Hiroshi Yoshikawa , Hidetomo Nakagawa , Hiroaki Makino
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Patent Agency Ranking
公开(公告)号：USD800889S1
公开(公告)日：2017-10-24
申请号：US29588692
申请日：2016-12-22
Applicant: MITSUBISHI ELECTRIC CORPORATION
Designer： Shingo Hamada , Koji Sachimoto , Yosuke Kikuchi , Hajime Ikeda , Takashi Kobayashi , Seiji Hirakawa , Hiroshi Yoshikawa , Hidetomo Nakagawa , Hiroaki Makino
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公开(公告)号：USD803378S1
公开(公告)日：2017-11-21
申请号：US29588716
申请日：2016-12-22
Applicant: MITSUBISHI ELECTRIC CORPORATION
Designer： Shingo Hamada , Koji Sachimoto , Yosuke Kikuchi , Hajime Ikeda , Takashi Kobayashi , Seiji Hirakawa , Hiroshi Yoshikawa , Hidetomo Nakagawa , Hiroaki Makino
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公开(公告)号：US11353272B2
公开(公告)日：2022-06-07
申请号：US17049056
申请日：2018-06-13
Applicant: Mitsubishi Electric Corporation
Inventor： Akira Yatsuyanagi , Tsuyoshi Maeda , Tomohiko Takahashi , Yoshihide Asai , Hidetomo Nakagawa
Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where heat exchange performance is improved, and drainage properties and resistance against frost formation are improved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube, and the plurality of fins are arranged at an interval from one another. The plurality of fins each have a first spacer formed in the plate and maintaining the interval. The flat tube has a longitudinal axis of a section perpendicular to the pipe axis, and the longitudinal axis is inclined to the width direction by an inclination angle θ. The first spacer has a standing surface extending in a direction intersecting the plate surface.
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公开(公告)号：US10767656B2
公开(公告)日：2020-09-08
申请号：US15311873
申请日：2015-08-03
Applicant: Mitsubishi Electric Corporation
Inventor： Shingo Hamada , Koji Sachimoto , Yosuke Kikuchi , Hajime Ikeda , Takashi Kobayashi , Seiji Hirakawa , Hiroshi Yoshikawa , Hidetomo Nakagawa , Hiroaki Makino
Abstract: In an axial flow fan according to the present invention, a plurality of blades rotate about a rotation axis of the blades to convey a fluid. In the axial flow fan, the plurality of blades each have a leading edge at a leading side in a rotational direction, a trailing edge at a trailing side in the rotational direction, and an outer peripheral edge connecting the leading edge and the trailing edge. The leading edge of one of the plurality of blades and the trailing edge of another blade adjacent to the leading edge of the blade in the rotational direction are connected by a plate-shaped connection portion. The plurality of blades each have at least one plate-shaped reinforcement rib extending from a periphery of the rotation axis toward the outer peripheral edge of the blade.
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公开(公告)号：USD782639S1
公开(公告)日：2017-03-28
申请号：US29543720
申请日：2015-10-27
Applicant: MITSUBISHI ELECTRIC CORPORATION
Designer： Shingo Hamada , Koji Sachimoto , Yosuke Kikuchi , Hajime Ikeda , Takashi Kobayashi , Seiji Hirakawa , Hiroshi Yoshikawa , Hidetomo Nakagawa , Hiroaki Makino
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