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    Retrofitting R410A HVAC products to handle flammable refrigerants
    3.
    发明授权
    Retrofitting R410A HVAC products to handle flammable refrigerants 有权

    公开(公告)号：US11162722B2

    公开(公告)日：2021-11-02

    申请号：US16227379

    申请日：2018-12-20

    申请人： TRANE INTERNATIONAL INC.

    发明人： William G. Hansen ,  Stephen A. Kujak

    IPC分类号： F25B45/00 ,  F24F11/526 ,  F24F7/013 ,  F24F11/36 ,  F24F110/76

    摘要： A system and method of retrofitting a heating, ventilation, air conditioning, and refrigeration system (HVACR) including one or more brazed, soldered, or mechanical connections between refrigerant lines is disclosed. The method includes removing a refrigerant from the HVACR system. The refrigerant that is removed is a non-flammable refrigerant. An enclosure is installed over the one or more brazed, soldered, or mechanical connections between refrigerant lines. A refrigerant is added to the HVACR system. The refrigerant being added has a global warming potential (GWP) that is relatively lower than the refrigerant removed from the HVACR system. The refrigerant being added has a relatively higher flammability than the refrigerant removed from the HVACR system.

    Window comprising a modular drum valve
    4.
    发明授权
    Window comprising a modular drum valve 有权

    公开(公告)号：US10280681B2

    公开(公告)日：2019-05-07

    申请号：US14766572

    申请日：2014-02-07

    申请人： ClimaWin Techniq ApS

    发明人： Poul Christensen Horn

    IPC分类号： E06B7/10 ,  E06B7/12 ,  E06B9/264 ,  F24F13/18 ,  F24F13/065 ,  F24F11/30 ,  E06B7/02 ,  F24F11/00 ,  F24F110/10 ,  F24F110/20 ,  F24F110/70 ,  F24F110/76

    摘要： A ventilation device for ventilating a room in a building, the building having a window with at least two essentially parallel panes of glass, the at least two panes of glass being arranged in a common frame, casement or sash, thus forming the window, e.g., a double window, where the at least two panes of glass are arranged with a distance, and thus appear with an air space between the panes of glass, the window further having an intake opening communicating with the air space and with either the interior or the exterior of the building, where the ventilation device further has a preheating unit with a first chassis and a first throttle, where the first chassis has a first opening communicating with the interior of the building, a second opening communicating with the exterior of the building and a third opening communicating with the air space.

    Air control system and method using air in atmosphere
    6.
    发明授权
    Air control system and method using air in atmosphere 有权

    公开(公告)号：US11946663B2

    公开(公告)日：2024-04-02

    申请号：US17299887

    申请日：2019-12-18

    申请人： UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION

    发明人： Byung Deok Yu ,  Hyunsoo Min ,  Junjin Jeon ,  Jinwoo Park

    IPC分类号： F24F11/77 ,  B64B1/44 ,  F24F5/00 ,  F24F11/89 ,  F24F13/02 ,  F24F110/76

    CPC分类号： F24F11/77 ,  B64B1/44 ,  F24F5/0046 ,  F24F11/89 ,  F24F13/0263 ,  F24F2110/76

    摘要： An air control system and method using air in an upper zone of the atmosphere are disclosed. An air control system using air in an upper zone of the atmosphere includes: a floating body 11 provided to stay in the upper zone of the atmosphere; air transporting pipes 15a and 15b interlocked with the floating body 11 to transport air in the upper zone of the atmosphere; blowers 22a and 22b mounted below the air transporting pipe 15a and 15b; and an air transporting controller 18 controlling an operation of the blowers 22a and 22b. According to the embodiment of the present invention, it is possible to implement functions such as cooling, drying, and purifying of the surrounding air, removing mist, or generating clouds through the transport of dry and low-temperature clean air in the upper zone of the atmosphere with a simple structure. In addition, according to the embodiment of the present invention, it is possible to freely adjust a height of air control because there is no need to install a post tower to support an elevating device because it supports the floating body 11 on the ground without the post tower.

    Test chamber and control method
    7.
    发明授权
    Test chamber and control method 有权

    公开(公告)号：US11545678B2

    公开(公告)日：2023-01-03

    申请号：US16674688

    申请日：2019-11-05

    申请人： Weiss Umwelttechnik GmbH

    发明人： Enno Wagner

    IPC分类号： F24F11/80 ,  F24F11/00 ,  F24F110/76 ,  H01M8/04089 ,  H01M8/04291 ,  G01N33/00

    摘要： A method for controlling a climate test chamber for conditioning air and a test chamber includes a fuel cell assembly exposed to at least one physical test condition in a test space. The fuel cell assembly includes at least one electrochemical fuel cell having an anode compartment and a cathode compartment each having a feed opening for introducing reactants and a discharge opening for discharging waste products of the fuel cell assembly. The fuel cell assembly is operated in the test space, and a fuel gas and an oxidation gas is fed to the fuel cell assembly as reactants. The test space is supplied with conditioned supply air and exhaust air is discharged from the test space by an air conditioning and ventilation system. An oxygen concentration is determined using a sensor and a controller controls the oxygen concentration.

    Method for controlling air conditioner system
    8.
    发明授权
    Method for controlling air conditioner system 有权

    公开(公告)号：US10914485B2

    公开(公告)日：2021-02-09

    申请号：US16144215

    申请日：2018-09-27

    申请人： LG ELECTRONICS INC.

    发明人： Seontae Yoon

    IPC分类号： F24F11/50 ,  F24F1/0003 ,  H04W52/24 ,  G08C17/02 ,  F24F11/62 ,  F24F11/58 ,  H04B17/318 ,  F24F11/88 ,  F24F11/30 ,  F24F110/20 ,  F24F110/70 ,  F24F110/76 ,  F24F110/40 ,  F24F110/10

    摘要： A method of controlling an air conditioner system, the method including transmitting, by a first unit among a plurality of units belonging to a particular group, a wireless tuning command to a second unit; measuring, by the second unit, reception sensitivity and a transmission and reception success rate by wirelessly communicating with units belonging to the particular group while reducing a signal strength from a default signal strength; when the reception sensitivity and the transmission and reception success rate satisfy the predetermined standard, determining, by the second unit, that the signal strength corresponding to a level right before a level satisfying a predetermined standard is the signal strength to be used; and transmitting, by the second unit, information related to the determined signal strength to the first unit. Accordingly, an optimal signal strength at which mutual interference is prevented may be set.

    Air conditioning assembly
    9.
    发明授权
    Air conditioning assembly 有权

    公开(公告)号：US12070426B2

    公开(公告)日：2024-08-27

    申请号：US18275352

    申请日：2022-02-03

    申请人： Sporting Edge (UK) Ltd.

    发明人： David Vincent

    IPC分类号： A61G10/02 ,  F24F3/14 ,  F24F110/10 ,  F24F110/20 ,  F24F110/76

    CPC分类号： A61G10/023 ,  F24F3/14 ,  F24F2110/10 ,  F24F2110/20 ,  F24F2110/76

    摘要： An air conditioning assembly for an environmental chamber includes an air handling unit for supplying air to the environmental chamber. A plurality of ducts in fluid communication with the air handing unit and in fluid communication with the environmental chamber are configured to draw air from one side of the environmental chamber through at least one outlet vent, and to blow air into an opposite side of the environmental chamber through at least one equal but opposite inlet vent. At least one air conditioning means in fluid communication with the at least one air handling unit is configured to condition the air flow passing through the air handling unit. The at least one air conditioning means includes an altitude simulator for changing the oxygen content of the air flow. In use, the air conditioning assembly is configured to create substantially laminar air flow throughout the environmental chamber.