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公开(公告)号：US11320168B2
公开(公告)日：2022-05-03
申请号：US16967530
申请日：2018-03-01
发明人： Makoto Kurihara , Yoshitaka Uno
IPC分类号： F24F11/63 , F24F11/76 , F24F11/79 , F24F11/86 , F24F11/52 , G05B15/02 , F24F110/20 , F24F120/12 , F24F110/10
摘要： An air-conditioning apparatus includes; an air temperature detection unit configured to detect air temperature in an air-conditioned space; a human body detection unit configured to detect human bodies in the air-conditioned space; an estimation unit configured to estimate thermal sensation of persons detected by the human body detection unit; and a control unit configured to correct a value of the air temperature or set temperature based on the thermal sensation of all of the detected persons estimated by the estimation unit, and to control a refrigeration cycle by using the corrected value.
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公开(公告)号：US10400794B2
公开(公告)日：2019-09-03
申请号：US15519188
申请日：2015-01-16
发明人： Makoto Kurihara , Kazuki Isomura , Masahiko Takagi
摘要： A fan according to the present invention includes: a main plate fixed to a rotation axis of a driving device; a shroud including an air inlet; and an impeller including n blades between the main plate and the shroud, tip ends of leading edges of the respective blades arranged along a circle around the rotation axis, wherein all of the attachment pitch angles α are different angles, and the blades are arranged so that, in the attachment pitch angles α, attachment pitch angles on both sides of an attachment pitch angle αm are a combination of other than an attachment pitch angle αm−1, which is the next smallest angle in order of magnitude of angle to the attachment pitch angle αm, and an attachment pitch angle αm+1, which is the next largest angle in order of magnitude of angle, to the attachment pitch angle αm.
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公开(公告)号：US11512866B2
公开(公告)日：2022-11-29
申请号：US16499547
申请日：2017-06-15
发明人： Yuhei Umekage , Makoto Kurihara
IPC分类号： F24F11/79 , F24F11/72 , F24F1/0007 , F24F1/0047 , F24F1/0014 , F24F110/20 , F24F120/12 , F24F130/00 , F24F110/10
摘要： An indoor unit for an air-conditioning apparatus includes an air-sending unit configured to send air subjected to heat exchange with refrigerant to an air-conditioning target space through an air outlet, the air-conditioning target space being divided into a plurality of areas, an up-and-down airflow direction adjuster configured to adjust an angle in an up-and-down direction of a blowing direction of the air sent through the air outlet, a right-and-left airflow direction adjuster configured to adjust an angle in a right-and-left direction of the blowing direction of the air sent through the air outlet, and a controller configured to control the angle of the up-and-down airflow direction adjuster and the angle of the right-and-left airflow direction adjuster. The controller is configured to control the up-and-down airflow direction adjuster and the right-and-left airflow direction adjuster to continuously change the angle in the up-and-down direction and the angle in the right-and-left direction.
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公开(公告)号：US10429088B2
公开(公告)日：2019-10-01
申请号：US15393418
申请日：2016-12-29
发明人： Takashi Ikeda , Masahiko Takagi , Makoto Kurihara
IPC分类号： F24F1/0014 , F24F1/0047 , F25D17/06 , F24F1/0011 , F24F13/08 , F24F1/0022 , F24F13/22
摘要： Body air outlets 10d of an air-conditioning-apparatus indoor unit 100 each has a substantially trapezoidal shape in plan view and are each defined by a body-air-outlet outer side wall 10d2, a body-air-outlet inner side wall 10d4, and a pair of body-air-outlet end walls 10d1. The body-air-outlet outer side wall 10d2 is provided with a deflection guide 2 at each of long-side ends thereof. The body-air-outlet end walls 10d1 are each provided with a sloping guide 3. The deflection guide 2 has a deflection-guide upper surface 2a that gradually projects toward the body-air-outlet inner side wall 10d4 in a direction toward a body open face 10e (toward a downstream side) and in a direction toward the central part of the body air outlet 10d. The sloping guide 3 has a sloping-guide upper surface 3a that gradually projects toward the central part of the body air outlet 10d as the sloping guide 3 extends closer to the body open face 10e (toward the downstream side).
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公开(公告)号：US10309412B2
公开(公告)日：2019-06-04
申请号：US14889963
申请日：2014-04-16
IPC分类号： F04D29/28 , F04D29/02 , F04D29/30 , F04D29/62 , F24F1/0022 , B29C65/16 , B29C65/00 , F04D25/08 , B29L31/08
摘要： A centrifugal fan 1 includes a main plate 10, a shroud 20, and a plurality of blades 30 provided between the main plate 10 and the shroud 20. The blade 30 includes abutting surfaces 34, 35a, and 35b that respectively abut on abutted surfaces 12a, 22a, and another abutted surface formed on at least one of the main plate 10 and the shroud 20. The abutting surfaces 34, 35a, and 35b includes projections 36, 37a, and 37b formed thereon, respectively, and extending in a straight or curved line. The abutting surfaces 34, 35a, and 35b and the abutted surfaces 12a, 22a, and the other abutted surface are respectively welded to each other by laser beams 40 and 41 respectively directed onto and moved along the projection 36 and the projections 37a and 37b.
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公开(公告)号：US11674520B2
公开(公告)日：2023-06-13
申请号：US17287125
申请日：2018-12-13
IPC分类号： F04D17/10 , F04D29/28 , F04D29/58 , F04D29/30 , F24F1/0022
CPC分类号： F04D17/10 , F04D29/281 , F04D29/584
摘要： A centrifugal fan includes a main plate, a blade connected to the main plate, and a shroud having an annular shape and connected to a shroud-side end of the blade that is an end opposite a main-plate-side end of the blade connected to the main plate. The centrifugal fan rotates about a rotation axis to suction a fluid through an opening of the shroud and discharge the fluid through the blade in a radial direction. A leading edge of the blade includes a recess located next to a point at which a shroud inner surface of the shroud that faces the main plate is connected to the leading edge and curving inwardly from the point toward a trailing edge and a projection located closer to the main plate than is the recess and projecting in the rotation direction.
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公开(公告)号：US10006658B2
公开(公告)日：2018-06-26
申请号：US15027274
申请日：2014-10-20
CPC分类号： F24F13/32 , F16B5/02 , F16B5/0614 , F16M13/027 , F24F1/0047
摘要： The unit attaching device of the present invention has suspension brackets that have a hole for passing a suspension bolt suspended from a ceiling and that are installed to an indoor unit that is a unit to be suspended. The suspension brackets are installed on the ceiling side of the side surface of a housing of the indoor unit. For example, when an earthquake or the like occurs, the distance between a part that is the base point of the swing of the suspension bolt and the installation position of the unit can be reduced.
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公开(公告)号：US09829004B2
公开(公告)日：2017-11-28
申请号：US14428484
申请日：2013-10-15
发明人： Takashi Ikeda , Masahiko Takagi , Makoto Kurihara
CPC分类号： F04D25/088 , F04D19/002 , F04D29/281 , F04D29/30 , F04D29/384 , F04D29/388 , F05D2240/303
摘要： Provided is a turbofan including a shroud, a main plate, and a plurality of blades. A main plate-side shoulder surface portion is curved so as to be distanced from the rotational center axis while approaching the blade trailing edge as the main plate-side shoulder surface portion is distanced from a main plate-side blade tip portion, and has a convexoconcave shape including a blade tip section and the main plate-side blade tip portion. An inner peripheral-side leading edge section includes the inner peripheral-side blade leading edge section main plate-side portion and an inner peripheral-side blade leading edge section tip-side portion including curves that protrude rearward in the rotational direction.
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公开(公告)号：US09651056B2
公开(公告)日：2017-05-16
申请号：US14454201
申请日：2014-08-07
CPC分类号： F04D29/281 , F04D25/088 , F04D29/242 , F04D29/245 , F04D29/282 , F04D29/30 , F04D29/667 , F05D2240/303 , F05D2240/304
摘要： A turbo fan blade front edge has, between a main-plate-side blade front edge and a shroud-side blade front edge, a projecting blade front edge that distances from a blade rear edge (located in a rotation direction A) as it becomes further away from a main plate, which curves to a position away from a rotation center. In a range close to the main plate, a main-plate-side front-edge skirt portion distances from the blade rear edge and inclines away from the rotation center as it becomes closer to the main plate. A main-plate-side blade rear edge, close to the main plate of the blade rear edge, is substantially perpendicular to the main plate and a shroud-side blade rear edge, close to a shroud, is inclined so as to gradually distance away from the blade front edge (behind in the rotation direction A) as it becomes further away from the main plate.
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公开(公告)号：US12007136B2
公开(公告)日：2024-06-11
申请号：US17297062
申请日：2019-02-18
发明人： Makoto Kurihara , Kosuke Sato
IPC分类号： F24F11/50 , F24F11/66 , F24F11/79 , F24F110/10 , F24F120/10
CPC分类号： F24F11/66 , F24F11/50 , F24F11/79 , F24F2110/10 , F24F2120/10
摘要： An air-conditioning apparatus includes: a communication unit, a sensor, and a controller. The communication unit receives a radio signal from a portable terminal The sensor detects detailed information including information indicating presence or absence of a person in a detection target region that is a target region for detection of whether a person is present or not. The controller causes, when the communication unit receives a radio signal having a radio field intensity higher than or equal to a predetermined radio field intensity and a detection process by the sensor to detect the detailed information is in a stopped state, the sensor to start the detection process to detect the detailed information and control an air-conditioning operation based on the detailed information detected by the sensor.
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