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1. 发明公开

US20240133573A1 AIR-CONDITIONING APPARATUS 审中-公开
公开(公告)号：US20240133573A1
公开(公告)日：2024-04-25
申请号：US18277583
申请日：2021-03-17
申请人： Mitsubishi Electric Corporation
发明人： Kazuya HONDA , Naofumi TAKENAKA , Jumpei TAKAGI , Masafumi TOMITA , Mizuo SAKAI
IPC分类号： F24F11/65 , F24F11/00
CPC分类号： F24F11/65 , F24F11/0008 , F24F2110/20
摘要： An air-conditioning apparatus includes configured to, when a cooling operation mode is changed into one of multiple dehumidifying operation modes, select the one of the multiple dehumidifying operation modes on the basis of a value of a sensible heat ratio difference ΔSHF that is a difference between a target sensible heat ratio acquired from an indoor temperature detected by an indoor temperature sensor, a target indoor temperature, and target indoor humidity and a theoretical minimum possible sensible heat ratio acquired from enthalpy of an indoor air, enthalpy of blown air from the indoor unit when relative humidity is 100%, and enthalpy of sensible heat.

2. 发明申请

US20230121703A1 AIR-CONDITIONING APPARATUS 有权
公开(公告)号：US20230121703A1
公开(公告)日：2023-04-20
申请号：US17915481
申请日：2020-05-14
申请人： Mitsubishi Electric Corporation
发明人： Kazuya WATANABE , Shohei ISHIMURA , Mizuo SAKAI
IPC分类号： F24F11/46 , F24F1/38
摘要： An air-conditioning apparatus includes a compressor, an outdoor fan, and a controller configured to perform a fan intermittent operation for causing the outdoor fan to run and stop repeatedly after the compressor stops. The controller is configured to, in the fan intermittent operation, in a case where the outdoor fan is running and there is no snow accumulation on the outdoor fan, change a stop upper limit time for the outdoor fan depending on a running time of the outdoor fan in the fan intermittent operation and cause the outdoor fan to stop running after changing the stop upper limit time for the outdoor fan. The controller is configured to, in a case where a stop time of the outdoor fan exceeds the changed stop upper limit time, cause the outdoor fan to run.

3. 发明申请

US20210207822A1 OUTDOOR UNIT OF AIR-CONDITIONING APPARATUS 有权
公开(公告)号：US20210207822A1
公开(公告)日：2021-07-08
申请号：US17058811
申请日：2018-07-19
申请人： Mitsubishi Electric Corporation
发明人： Mizuo SAKAI , Noka SAKABE , Tetsuya YAMASHITA , Masafumi TOMITA , Hirokazu MURAKAMI , Yuya HATA
IPC分类号： F24F1/56 , F24F13/20
摘要： An outdoor unit of an air-conditioning apparatus includes a casing, and grasp portions provided at at least two respective positions at corner portions of the casing as seen in plan view. The grasp portions each include an outer peripheral portion forming an outer periphery of each grasp portion, and a finger hook portion protruding downward from an upper part of the outer peripheral portion and extending in a lateral direction of the finger hook portion. The outer peripheral portion includes a first opening provided such that a lower end portion of the finger hook portion is exposed as seen in a horizontal direction and a direction perpendicular to the lateral direction, a second opening provided below the finger hook portion and continuous with the first opening, and a third opening provided behind the finger hook portion and continuous with the second opening, the second opening and the third opening being provided at one of end portions of the outer peripheral portion which are located ends thereof in the lateral direction.

4. 发明申请

US20160370042A1 REFRIGERANT CIRCUIT AND AIR-CONDITIONING APPARATUS 审中-公开
标题翻译：制冷电路和空调设备
公开(公告)号：US20160370042A1
公开(公告)日：2016-12-22
申请号：US14901583
申请日：2014-06-27
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Yoji ONAKA , Takashi MATSUMOTO , Mizuo SAKAI , Hiroaki NAKAMUNE , Hiroki MURAKAMI
IPC分类号： F25B43/00 , F25B5/02
CPC分类号： F25B43/00 , F25B5/02 , F25B40/00 , F25B43/006 , F25B2400/0409 , F25B2400/054 , F25B2400/12 , F25B2400/13 , F25B2400/23 , F25B2600/2501
摘要： A refrigerant circuit includes: plural gas/liquid separators adapted to separate a two-phase gas-liquid refrigerant into refrigerant vapor and refrigerant liquid; a channel switching valve connected upstream of the gas/liquid separators and adapted to switch channels for the two-phase gas-liquid refrigerant by opening and closing; an evaporating heat exchanger adapted to accept inflow of the refrigerant liquid or the two-phase gas-liquid refrigerant, the refrigerant liquid produced by separation by the gas/liquid separators; a header installed upstream of the evaporating heat exchanger perpendicularly or at angles to the evaporating heat exchanger; a compressor installed downstream of the evaporating heat exchanger; and plural bypass routes connected to the respective gas/liquid separators and adapted to allow passage of the refrigerant vapor. The refrigerant vapor passing through the plural bypass routes and refrigerant vapor passing through the evaporating heat exchanger merge at a first meeting point between the evaporating heat exchanger and the compressor.
摘要翻译：制冷剂回路包括：多个用于将二相气液制冷剂分离成制冷剂蒸气和制冷剂液体的气/液分离器; 连接在气/液分离器上游的通道切换阀，适于通过打开和关闭来切换用于两相气液制冷剂的通道; 蒸发热交换器，其适于接受制冷剂液体或两相气液制冷剂的流入，所述制冷剂液体通过气/液分离器分离而产生; 蒸发热交换器的上游垂直地或与蒸发热交换器成角度的头部; 安装在蒸发热交换器下游的压缩机; 以及连接到各个气/液分离器并且适于允许制冷剂蒸汽通过的多个旁路路线。通过多个旁通路径的制冷剂蒸气和通过蒸发热交换器的制冷剂蒸汽在蒸发热交换器和压缩机之间的第一汇合处合流。

5. 发明申请

US20160216015A1 AIR-CONDITIONING APPARATUS 审中-公开
标题翻译：空调设备
公开(公告)号：US20160216015A1
公开(公告)日：2016-07-28
申请号：US14916057
申请日：2014-08-04
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Mizuo SAKAI , Masanori AOKI , Hirokuni SHIBA , Hiroaki NAKAMUNE , Hiroki MURAKAMI
IPC分类号： F25B41/04 , F25B49/02 , F25B13/00
CPC分类号： F25B41/04 , F25B13/00 , F25B31/004 , F25B40/00 , F25B49/02 , F25B2313/0233 , F25B2341/0662 , F25B2400/053 , F25B2400/054 , F25B2400/23 , F25B2600/2509 , F25B2700/21151 , F25B2700/21175
摘要： An air-conditioning apparatus controls a decrease in efficiency of a refrigeration cycle, and includes a suction pipe having one end connected to a suction side of a compressor and an other end connected to an evaporator, a receiver connected to a refrigerant pipe connecting the evaporator and a condenser to each other, a first bypass pipe having one end connected to the receiver and an other end connected to the suction pipe and configured to supply refrigerant from the receiver to the suction pipe, a flow control valve provided to the first bypass pipe, a heat recovery portion disposed downstream of a portion of the suction pipe connected to the first bypass pipe, and a control device configured to control an opening degree of the flow control valve based on a degree of superheat of refrigerant in the heat recovery portion.
摘要翻译：一种空气调节装置控制制冷循环的效率的降低，并且包括吸入管，其一端与压缩机的吸入侧连接，另一端连接到蒸发器，接收器连接到连接蒸发器的制冷剂管和一个冷凝器，一个第一旁通管，其一端连接到接收器，另一端连接到吸入管并被配置成从接收器向吸入管供应制冷剂;流量控制阀，设置在第一旁通管，设置在与第一旁通管连接的吸入管的一部分的下游的热回收部，以及基于热回收部中的制冷剂的过热度来控制流量控制阀的开度的控制装置。

6. 发明公开

US20240271809A1 AIR CONDITIONER MANAGEMENT SYSTEM AND AIR CONDITIONER MANAGEMENT METHOD 审中-公开
公开(公告)号：US20240271809A1
公开(公告)日：2024-08-15
申请号：US18564691
申请日：2021-12-07
申请人： Mitsubishi Electric Corporation
发明人： Mizuo SAKAI , Tetsuya YAMASHITA , Noka SAKABE , Ryohei TACHIWANA , Masahiro KAMIJO
IPC分类号： F24F11/32 , F24F11/56 , F24F110/12
CPC分类号： F24F11/32 , F24F11/56 , F24F2110/12
摘要： Provided is an air conditioner management system including an air conditioner and an aircraft. The air conditioner includes a position information provider configured to provide position information indicating a position of the air conditioner. The aircraft includes: a position information acquisitor configured to acquire the position information provided; and a measurer configured to perform a measurement regarding the air conditioner, based on the position information acquired. Thereby, it is possible to measure a specific air conditioner.

7. 发明公开

US20240183625A1 HEAT EXCHANGE UNIT 审中-公开
公开(公告)号：US20240183625A1
公开(公告)日：2024-06-06
申请号：US18553912
申请日：2021-08-02
申请人： Mitsubishi Electric Corporation
发明人： Mizuo SAKAI , Koji NOGUCHI , Yusuke TAKAHASHI , Nobukazu KATO , Shoko TSUMURA , Hirokazu MURAKAMI , Motoki OTSUKA , Yudai SAKABE
IPC分类号： F28F9/007 , F24F1/56 , F28D21/00
CPC分类号： F28F9/007 , F24F1/56 , F28D21/00 , F28D2021/0068
摘要： An aspect of a heat exchange unit of a refrigeration cycle device, includes a housing having openings, and gripping members attached to the openings. Each gripping member has a main body having an inner space that opens to an outside, and a plurality of claws that protrude from the main body and that hook to a circumferential edge of the openings. The plurality of claws include a plurality of first claw portions, and at least one second claw portion that is provided on an opposite side to the plurality of first claw portions in a predetermined direction that intersects the opening direction. At least one claw portion out of the plurality of first claw portions and the at least one second claw portion is an elastic claw that is cantilevered by the main body and is elastically deformable in the predetermined direction with respect to the main body.

8. 发明申请

US20210207820A1 SOUNDPROOF PART AND OUTDOOR UNIT OF AIR-CONDITIONING APPARATUS 有权
公开(公告)号：US20210207820A1
公开(公告)日：2021-07-08
申请号：US17057778
申请日：2018-07-24
申请人： Mitsubishi Electric Corporation
发明人： Mizuo SAKAI , Noka SAKABE , Tetsuya YAMASHITA , Hirokazu MURAKAMI , Yuya HATA , Motoki OTSUKA
IPC分类号： F24F1/12
摘要： A soundproof part that covers a compressor includes a side surface cover including two or more sound absorbing materials and two or more sound insulating materials, and configured to cover a side surface of the compressor. The two or more sound insulating materials include sound insulating materials having different specific gravities. The side surface cover is formed such that one sound absorbing material is disposed adjacent to the compressor, and a sound absorbing material and a sound insulating material are alternately arranged. The side surface cover is also formed such that as a distance from the compressor increases, the sound insulating materials having relatively lower specific gravities are disposed.

9. 发明申请

US20180356138A1 AIR-CONDITIONING APPARATUS 审中-公开
公开(公告)号：US20180356138A1
公开(公告)日：2018-12-13
申请号：US15780336
申请日：2016-02-05
申请人： Mitsubishi Electric Corporation
发明人： Masahiro TAKAMURA , Masafumi TOMITA , Kazuki OKADA , Mizuo SAKAI
IPC分类号： F25B47/02
CPC分类号： F25B47/025 , F24F11/41 , F24F11/89 , F24F2120/10 , F25B47/02 , F25B2600/01 , F25B2700/171 , F25B2700/2106
摘要： An air-conditioning apparatus includes a refrigerant circuit in which a compressor, a flow switching device, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger are connected by pipes and through which refrigerant flows, and a control device controlling an operation of the refrigerant circuit to perform switching between a heating operation and a defrosting operation. The control device includes a determination unit that determines, based on operation information regarding the refrigerant circuit, during the heating operation, whether to change a requirement for starting the defrosting operation, a changing unit that changes the requirement for starting the defrosting operation in accordance with a result of determination by the determination unit, and a switching unit that, when the requirement for starting the defrosting operation is satisfied, causes the flow switching device to perform switching to start the defrosting operation.

10. 发明申请

US20170205128A1 OUTDOOR UNIT AND REFRIGERATION CYCLE APPARATUS 审中-公开
公开(公告)号：US20170205128A1
公开(公告)日：2017-07-20
申请号：US15324577
申请日：2015-07-15
申请人： Mitsubishi Electric Corporation
发明人： Yoji ONAKA , Takashi MATSUMOTO , Mizuo SAKAI , Hiroki MURAKAMI , Hiroaki NAKAMUNE
IPC分类号： F25B49/02
CPC分类号： F25B49/02 , F25B31/008 , F25B40/00 , F25B2400/0409 , F25B2400/23 , F25B2600/0253 , F25B2600/2501 , F25B2600/2509 , F25B2700/171 , F25B2700/2103 , F25B2700/2117 , Y02B30/741
摘要： An outdoor unit includes at least a compressor, a gas-liquid separator, and an outdoor heat exchanger of a refrigerant circuit, the refrigerant circuit being formed by connecting, by pipes, the compressor, a condenser, a pressure reducing device, the gas-liquid separator, and the outdoor heat exchanger that acts as an evaporator including at least a plurality of heat transfer tubes and an inlet header that distributes incoming refrigerant to the heat transfer tubes. The outdoor unit further includes a gas-liquid-separator bypass pipe, a gas-liquid-separator-side flow control valve, a header bypass pipe, a header-side flow control valve, and a determination device.

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