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公开(公告)号：US11802743B2
公开(公告)日：2023-10-31
申请号：US18166915
申请日：2023-02-09
Applicant: Heatcraft Refrigeration Products LLC
Inventor： Fardis Najafifard
IPC: F28F27/00 , F28C1/14 , F28F25/02 , F28F25/06 , F24F5/00 , F28B1/02 , F28B1/06 , F24F11/87 , F24F110/12 , F24F11/83 , F24F6/12
CPC classification number: F28F27/003 , F24F5/0035 , F24F11/87 , F28B1/02 , F28B1/06 , F28C1/14 , F28F25/02 , F28F25/06 , F24F6/12 , F24F11/83 , F24F2110/12
Abstract: A method by a controller of a cooling system includes calculating a difference between a first temperature of ambient air and a second temperature of pre-cooled air. The pre-cooled air is ambient air that has been cooled by water from a water distribution system before it enters one or more condenser coils. The method further includes determining that the difference between the first and second temperatures is less than or equal to a predetermined temperature difference, and in response, determining that the first temperature is greater than or equal to a minimum temperature. The method further includes, if the first temperature is greater than or equal to the minimum temperature, instructing the water distribution system to distribute the water to pre-cool the ambient air for a predetermined length of time and to disable the distribution of the water after the predetermined amount of time has elapsed.
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公开(公告)号：US10830481B2
公开(公告)日：2020-11-10
申请号：US16169106
申请日：2018-10-24
Applicant: Haier US Appliance Solutions, Inc.
Inventor： Timothy Scott Shaffer
Abstract: Air conditioner units and methods for operating air conditioner units are provided. A method includes determining a steady state speed of a blower fan of the air conditioner unit. The method further includes receiving a call for heating and activating the blower fan in response to the call for heating. The method further includes measuring a speed of the blower fan after activating the blower fan and comparing the measured speed of the blower fan to the steady state speed of the blower fan. When the measured speed of the blower fan is greater than the steady state speed of the blower fan, the method includes disabling one of a plurality of heater banks of a heating unit of the air conditioner unit.
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公开(公告)号：US11486597B2
公开(公告)日：2022-11-01
申请号：US16836480
申请日：2020-03-31
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tse-Wen Chang , Wen-Yen Cheng
IPC: F24F11/63 , F24F11/87 , F24F140/12 , F24F110/10 , F24F110/20 , F24F140/20
Abstract: A control method for an air conditioning system includes: calculating an average heat exchange amount of a coil according to real-time operation information; setting a full-load air volume parameter and a full-load water volume parameter in a heat exchange model according to the real-time operation information and the heat exchange model, and calculating a full-load heat exchange amount; calculating a dynamic margin value based on the average heat exchange amount and the full-load heat exchange amount; determining whether the dynamic margin value is greater than a first preset condition or less than a second preset condition, so that the controller outputs a first control signal or a second control signal respectively to adjust a coil water inlet temperature; and when the dynamic margin value is less than the first preset condition and greater than the second preset condition, maintaining the current setting state.
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公开(公告)号：US11473791B2
公开(公告)日：2022-10-18
申请号：US16470605
申请日：2018-01-26
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Naotoshi Fujita , Eisaku Okubo , Nobuki Matsui , Yoshinori Narikawa
Abstract: Disclosed is a humidity control apparatus which ensures a sufficient dehumidification amount without increasing an area of a gas-liquid contact portion in a dehumidification unit, regardless of the type of liquid absorbent used. The humidity control apparatus includes an absorbent circuit connecting a liquid-based dehumidification module, a recovery module, and a liquid-cooling heat exchanger which cools, with a refrigerant, a liquid absorbent before being used in the liquid-based dehumidification module. A refrigerant-cooling-based dehumidification module is positioned upstream of the liquid-based dehumidification module in a flow direction of target air, and cools and dehumidifies, with the refrigerant, the target air before being dehumidified in the module. The liquid-cooling heat exchanger and the refrigerant-cooling-based dehumidification module are connected to a single refrigerant circuit together with a liquid-heating heat exchanger.
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公开(公告)号：US20200132334A1
公开(公告)日：2020-04-30
申请号：US16169106
申请日：2018-10-24
Applicant: Haier US Appliance Solutions, Inc.
Inventor： Timothy Scott Shaffer
Abstract: Air conditioner units and methods for operating air conditioner units are provided. A method includes determining a steady state speed of a blower fan of the air conditioner unit. The method further includes receiving a call for heating and activating the blower fan in response to the call for heating. The method further includes measuring a speed of the blower fan after activating the blower fan and comparing the measured speed of the blower fan to the steady state speed of the blower fan. When the measured speed of the blower fan is greater than the steady state speed of the blower fan, the method includes disabling one of a plurality of heater banks of a heating unit of the air conditioner unit.
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Patent Agency Ranking
公开(公告)号：US11300302B2
公开(公告)日：2022-04-12
申请号：US16327027
申请日：2016-10-24
Applicant: Mitsubishi Electric Corporation
Inventor： Mamoru Hamada , Masaki Toyoshima
IPC: F24F11/85 , F25B7/00 , F25B25/00 , F24F5/00 , F24F3/06 , F24F11/87 , F25B13/00 , F24F1/0007 , F24F11/64 , F24F11/86 , F24F120/10 , F24F110/10 , F24F110/20 , F24F140/20
Abstract: An air-conditioning system includes a heat source unit, an air conditioner connected via piping to the heat source unit and configured to perform heat exchange between water supplied by the heat source unit and indoor air, a water circulation device for circulating the water between the heat source unit and the air conditioner, and an air-conditioning control device. The air-conditioning control device controls the heat source unit to lower temperature of the water flowing into the air conditioner, in accordance with an increase in an indoor humidity, and controls the water circulation device to lower temperature of the water flowing from the air conditioner back to the heat source unit, in accordance with an increase in an indoor temperature.
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7.发明授权公开(公告)号：US11231186B2
公开(公告)日：2022-01-25
申请号：US16619312
申请日：2018-07-17
Applicant: Daikin Industries, LTD.
Inventor： Akiharu Kojima
Abstract: An air conditioner includes a heat source unit having a compressor, a first heat exchanger configured to cause heat exchange between a refrigerant and liquid fluid, a second heat exchanger configured to cause heat exchange between the refrigerant and air, and a valve configured to switch to supply or not to supply the second heat exchanger with the refrigerant, and a controller configured to control to operate the compressor and to open or close the valve. The controller opens the valve to supply the second heat exchanger with the refrigerant to cause the second heat exchanger to function as a heat absorber when assessing that the refrigerant sent to the utilization unit needs to be decreased in quantity during cooling operation in which the first heat exchanger functions as a radiator.
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公开(公告)号：US20210372715A1
公开(公告)日：2021-12-02
申请号：US17401631
申请日：2021-08-13
Applicant: Heatcraft Refrigeration Products LLC
Inventor： Fardis Najafifard
Abstract: A method by a controller of a cooling system includes calculating a difference between a first temperature of ambient air and a second temperature of pre-cooled air. The pre-cooled air is ambient air that has been cooled by water from a water distribution system before it enters one or more condenser coils. The method further includes determining that the difference between the first and second temperatures is less than or equal to a predetermined temperature difference, and in response, determining that the first temperature is greater than or equal to a minimum temperature. The method further includes, if the first temperature is greater than or equal to the minimum temperature, instructing the water distribution system to distribute the water to pre-cool the ambient air for a predetermined length of time and to disable the distribution of the water after the predetermined amount of time has elapsed.
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公开(公告)号：US20200072486A1
公开(公告)日：2020-03-05
申请号：US16468478
申请日：2017-12-06
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Atsushi MATSUBARA , Akio TASAKA , Yuusuke SHIONO , Makoto IKEDA , Norihiro NABESHIMA
Abstract: An air conditioning system reduces energy consumption by efficient shared use of air in a common space that is not subjected to air conditioning in an indoor area, among a plurality of air conditioners for the purpose of heat exchange. A plurality of air conditioners each include: an air-conditioning target space-side heat exchanger configured to carry out heat exchange with air in an air-conditioning target space; a common space-side heat exchanger configured to carry out heat transfer to and from the air-conditioning target space-side heat exchanger; and a common space-side fan configured to feed taken in air from the common space to the common space-side heat exchanger and to blow the air into the common space. The common space-side heat exchangers of the air conditioners are disposed in the common space. The air conditioners are controlled based on temperature information items at plural positions in the common space.
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公开(公告)号：US20230194196A1
公开(公告)日：2023-06-22
申请号：US18166915
申请日：2023-02-09
Applicant: Heatcraft Refrigeration Products LLC
Inventor： Fardis Najafifard
CPC classification number: F28F27/003 , F24F5/0035 , F24F11/87 , F28B1/02 , F28B1/06 , F28C1/14 , F28F25/02 , F28F25/06 , F24F2110/12
Abstract: A method by a controller of a cooling system includes calculating a difference between a first temperature of ambient air and a second temperature of pre-cooled air. The pre-cooled air is ambient air that has been cooled by water from a water distribution system before it enters one or more condenser coils. The method further includes determining that the difference between the first and second temperatures is less than or equal to a predetermined temperature difference, and in response, determining that the first temperature is greater than or equal to a minimum temperature. The method further includes, if the first temperature is greater than or equal to the minimum temperature, instructing the water distribution system to distribute the water to pre-cool the ambient air for a predetermined length of time and to disable the distribution of the water after the predetermined amount of time has elapsed.
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