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公开(公告)号：US12104832B2
公开(公告)日：2024-10-01
申请号：US17586273
申请日：2022-01-27
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Junichi Hamadate , Masanori Jindou , Yoshihiro Teramoto , Hiroaki Matsuda , Masato Okuno
CPC classification number: F25B41/26 , F24F1/26 , F24F13/24 , F25B13/00 , F25B43/02 , F25B2313/02741 , F25B2400/23 , F25B2500/11 , F25B2500/12
Abstract: A refrigeration apparatus includes: a casing that houses a compressor therein; a four-way switching valve; an accumulator; a first pipe that causes a refrigerant to flow between the four-way switching valve and a discharge portion of the compressor; and a second pipe that causes a refrigerant to flow between the four-way switching valve and the accumulator. The four-way switching valve, the first pipe, and the second pipe are all made of stainless steel.
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公开(公告)号：US20240230112A1
公开(公告)日：2024-07-11
申请号：US18583090
申请日：2024-02-21
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Hiroyuki NAKANO , Atsushi YAMAMOTO
IPC: F24F1/26 , F24F1/0059 , F25B41/40
CPC classification number: F24F1/26 , F24F1/0059 , F25B41/40 , F25B2500/01
Abstract: An indoor unit of an air conditioner includes a heat transfer tube and a connection pipe. The connection pipe includes a first connection pipe a liquid pipe and a second connection pipe as a gas pipe. The first connection pipe and the second connection pipe each have a first section and a second section. A contact prevention member is provided in an area where the second section of the first connection pipe and the first section of the second connection pipe approach each other, or in an area where the first section of the first connection pipe and the second section of the second connection pipe approach each other.
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公开(公告)号：US11536470B2
公开(公告)日：2022-12-27
申请号：US16811871
申请日：2020-03-06
Applicant: LG Electronics Inc.
Inventor： Yongho Shin , Seungyup Kim
Abstract: There is disclosed an outdoor unit comprising a case provided to define an exterior design and comprising a plurality of side panels having an inlet hole providing a path for sucking external air, a base plate supporting the plurality of the side panels, an upper panel having an outlet hole for discharging the external air sucked via the inlet hole to the outside; a heat-exchanger provided in the case and configured to exchange heat with the external air sucked via the inlet hole; a sliding plate slidingly provided in the base plate and supporting the compressor module and movable via the opening to expose the compressor module outside the case; and a compressor module configured to supply a refrigerant that exchanging heat with the external air to the heat-exchanger, such that the compressor module may be manipulative outside and demounted when the sliding plate is located in the exposure position.
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公开(公告)号：US20220307745A1
公开(公告)日：2022-09-29
申请号：US17641654
申请日：2020-03-13
Inventor： Xiangwei QIU , Xiangyang LI , Hao ZHANG , Kui TAO , Shunquan LI , Junjie LEI , Zhengxing WANG , Tiangui ZHU
Abstract: An air conditioner includes first and second refrigerant circulation systems each including an indoor unit including an indoor heat exchanger and an indoor throttle device, an outdoor unit including a compressor and an outdoor heat exchanger, an exhaust pipe arranged at an exhaust port of the compressor, an intake pipe arranged at an intake port of the compressor, a liquid-side piping connecting the exhaust pipe, the outdoor heat exchanger, the indoor throttle device, and the indoor heat exchanger in sequence, and a gas-side piping connecting the indoor heat exchanger and the intake pipe. The air conditioner further includes a heat circulation device configured to convey heat energy or cold energy of at least one of the indoor heat exchanger of the first refrigerant circulation system or the indoor heat exchanger of the second refrigerant circulation system into a room.
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公开(公告)号：US10976062B2
公开(公告)日：2021-04-13
申请号：US16165349
申请日：2018-10-19
Inventor： Fei Wang , Baohua Gao , Yu Fu , Mingjie Zhang
IPC: F24F1/24 , F24F13/30 , F28F3/12 , F24F1/26 , F28D21/00 , F24F140/50 , F24F110/12
Abstract: A cooling device for air conditioner circuit board includes a compressor, an outdoor heat exchanger, a gas-liquid separator, and an indoor heat exchanger which are connected in sequence. A gas outlet end of the gas-liquid separator is communicatively coupled with a gas suction port of the compressor through a cooling pipeline, and a cooling equipment for cooling the air conditioner circuit board is provided on the cooling pipeline.
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Patent Agency Ranking
公开(公告)号：US20210055026A1
公开(公告)日：2021-02-25
申请号：US16964777
申请日：2019-01-25
Inventor： Kyung Hoon Kim , Seong Ryeol Myeong , Kwon Jin Kim , Chang Seon Lee , Byoung Guk Lim , Yong Hee Jang , Dong Woo Kim , Yong Chan Kim , Dong Chan Lee
Abstract: An air conditioner according to an embodiment includes: a compressor configured to compress a refrigerant; an indoor heat exchanger configured to convert a vapor refrigerant into a liquid refrigerant in a heating mode; an outdoor heat exchanger configured to convert a liquid refrigerant into a vapor refrigerant in the heating mode; a main pipe connecting the indoor heat exchanger to the outdoor heat exchanger; an injection pipe branching from the main pipe and connecting to an injection port of the compressor; an injection valve installed on the injection pipe and configured to control a flux of the refrigerant flowing to the injection pipe; and a controller configured to calculate a target discharge superheat (DSH) based on a correlation between a compression coefficient, a compressor frequency, and a DSH that are represented by an operating condition , and control a current DSH based on the target DSH.
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公开(公告)号：US10767882B2
公开(公告)日：2020-09-08
申请号：US16163260
申请日：2018-10-17
Applicant: Lennox Industries Inc.
Inventor： Glenn William Kowald , Eric Berg , Rakesh Goel
IPC: F24F11/36 , F24F1/26 , F25B49/00 , F24F11/526
Abstract: In one embodiment, an HVAC system includes an indoor unit having an indoor blower, an outdoor unit having a compressor and a condenser, an isolation valve coupled to the outdoor unit, and a sensor to detect a refrigerant leak. The HVAC system further includes one or more controllers operable to generate an alarm in response to the sensor detecting the refrigerant leak, operate the indoor blower in response to generating the alarm, close the isolation valve in response to generating the alarm, and operate the compressor to pump down the refrigerant to the condenser in response to generating the alarm.
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公开(公告)号：US10753639B2
公开(公告)日：2020-08-25
申请号：US15758758
申请日：2015-10-08
Applicant: Mitsubishi Electric Corporation
Inventor： Takahiro Komatsu , Takaaki Takishita , Tatsuo Furuta , Naoya Matsunaga
Abstract: An indoor unit includes a main body unit including a housing having an opening hole for pipe formed on a part of a side surface of the main body unit, a refrigerant pipe connection part projecting from inside to outside of the housing through the opening hole for pipe, and an attachment plate holding and fixing the refrigerant pipe connection part together with the housing to close the opening hole for pipe. The opening hole for pipe is formed over a first side surface on a side of the housing from which the refrigerant pipe connection part projects and a second side surface adjacent to the first side surface, and the attachment plate has an L shape including planes corresponding to the opening hole for pipe over the first side surface and the second side surface.
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公开(公告)号：USRE48080E1
公开(公告)日：2020-07-07
申请号：US15843519
申请日：2017-12-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung June Cho , Jee Ho Park , Hyun Dal Kim
Abstract: An indoor unit of an air conditioner includes a frame of the indoor unit; a heat exchanger mounted on the frame and having a refrigerant pipe in which a refrigerant flows; a hanger plate mounted on a rear surface of the frame and configured to fix the frame onto a wall surface; and a holder plate mounted on a lower portion of the frame and connecting the frame and the hanger plate. An end of the refrigerant pipe is placed in a space formed by the frame, the holder plate, and the hanger plate. The holder plate is movably connected on a lower portion of the frame, so the refrigerant pipe is accessible to a user to perform an operation of connecting or separating the refrigerant pipe to or from a connection pipe connected to an outdoor unit without rotating the frame.
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公开(公告)号：US20200025408A1
公开(公告)日：2020-01-23
申请号：US16059953
申请日：2018-08-09
Applicant: Johnson Controls Technology Company
Inventor： Cody J. Kaiser , Shawn A. Hern , Andy M. Boyd , Brian D. Rigg , Tom R. Tasker , Noel A. Grajeda-Trevizo
Abstract: A climate management system includes a conditioning unit having a reversible fan and an enclosure. The enclosure separates an inner space of the enclosure from an external environment while allowing air flow therethrough. The reversible fan is configured to be turned by a fan motor in a first circumferential direction to pull air from the external environment into the inner space of the enclosure. The climate management system includes a monitoring system configured to monitor operational characteristics of the climate management system, and to communicate data feedback corresponding to the operational characteristics. The climate management system includes a controller configured to instruct, based on analysis of the data feedback, the fan motor to turn in a second circumferential direction opposite to the first circumferential direction to push air from the inner space into the external environment.
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