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407 条记录 (耗时 0.022 秒)

    Power element for refrigerant modulating valve
    151.
    发明授权
    Power element for refrigerant modulating valve 有权

    公开(公告)号：US12092382B2

    公开(公告)日：2024-09-17

    申请号：US17433108

    申请日：2020-03-26

    申请人： Parker-Hannifin Corporation

    发明人： Christian D. Parker ,  Max A. Witter ,  Craig M. Obermark

    IPC分类号： F25B49/00 ,  F25B41/35 ,  F25B49/02

    CPC分类号： F25B49/005 ,  F25B41/35 ,  F25B49/02 ,  F25B2500/06 ,  F25B2500/13 ,  F25B2500/222 ,  F25B2600/2513

    摘要： An electronic modulating valve for a refrigerant system including a valve body; an electrically actuated valve member mounted in the valve body for modulating flow of fluid through the valve body; an electric power element having at least a portion of an electric actuator; and an electronic controller operably connected to the actuator, in which the actuator is operably connected to the valve member to control movement of the valve member in response to commands from the controller. The valve may include a probe configured to sense a mechanical vibration in the system and/or a refrigerant leak sensor. The controller receives information from the probe and/or leak sensor and controls movement of the valve member via the actuator in response to the information. The controller may be configured with a closed-loop logic architecture to control movement of the valve member via the electric actuator.

    SYSTEMS AND METHODS FOR REFRIGERANT LEAK MITIGATION
    153.
    发明公开
    SYSTEMS AND METHODS FOR REFRIGERANT LEAK MITIGATION 审中-公开

    公开(公告)号：US20240191920A1

    公开(公告)日：2024-06-13

    申请号：US18065077

    申请日：2022-12-13

    申请人： Lennox Industries Inc.

    发明人： Dilbag Singh Gill ,  Patric Ananda Balan Thobias

    IPC分类号： F25B41/31

    CPC分类号： F25B41/31 ,  F25B2500/222 ,  F25B2600/25

    摘要： A method of operating an HVAC system includes compressing a working fluid using a compressor, removing heat from the working fluid using a condenser, removing pressure from the working fluid using an expansion valve, and transferring heat between airflow contacting an outer surface of one or more coils in an evaporator and the working fluid passing through the one or more coils. The method further includes detecting a leak of the working fluid using a leak detection sensor. The method further includes transporting at least a portion of the working fluid to a storage container and storing the working fluid in the storage container.

    OPEN-CLOSE VALVE UNIT, AND REFRIGERATION APPARATUS EMPLOYING THE OPEN-CLOSE VALVE UNIT
    155.
    发明公开
    OPEN-CLOSE VALVE UNIT, AND REFRIGERATION APPARATUS EMPLOYING THE OPEN-CLOSE VALVE UNIT 审中-公开

    公开(公告)号：US20240093922A1

    公开(公告)日：2024-03-21

    申请号：US18263375

    申请日：2021-04-08

    申请人： Mitsubishi Electric Corporation

    发明人： Shota KUMOKAWA ,  Katsuhiro ISHIMURA ,  Hiroyuki OKANO

    IPC分类号： F25B41/24

    CPC分类号： F25B41/24 ,  F25B2500/222

    摘要： An open-close valve unit includes a block body, a first open-close valve, and a second open-close valve. The block body includes a first main flow path and a second main flow path. The first main flow path has a first opening and a second opening. The second main flow path has a third opening and a fourth opening. The first open-close valve includes a first valve body movable to open and close the first main flow path. The second open-close valve includes a second valve body movable to open and close the second main flow path. The first open-close valve is in an open state when in an energized state. When the first open-close valve is in the energized state, the second open-close valve is in a de-energized state, and placed in an open state by a dynamic pressure of the fluid flowing in the second main flow path.

    Multi-air conditioner for heating and cooling operations
    158.
    发明授权
    Multi-air conditioner for heating and cooling operations 有权

    公开(公告)号：US11898782B2

    公开(公告)日：2024-02-13

    申请号：US17474346

    申请日：2021-09-14

    申请人： LG ELECTRONICS INC.

    发明人： Chiwoo Song ,  Yongcheol Sa ,  Jiyoung Jang

    IPC分类号： F25B41/40 ,  F25B41/24 ,  F25B49/02

    CPC分类号： F25B41/40 ,  F25B41/24 ,  F25B49/02 ,  F25B2345/002 ,  F25B2500/222 ,  F25B2600/2515

    摘要： A multi-air conditioner for heating/cooling operation may include: at least one indoor unit which is installed in a room, and includes an indoor heat exchanger; an outdoor unit which is connected to the indoor unit through a refrigerant pipe, and includes an outdoor heat exchanger, a compressor, an outdoor expansion valve, and a four-way valve; at least one leakage blocking valve which is formed on the refrigerant pipe, and blocks a refrigerant flow in the refrigerant pipe when a refrigerant leak occurs from the refrigerant pipe in the room; and a buffer unit which is installed on the refrigerant pipe between the indoor unit and the outdoor unit, and collects refrigerant leaking from the refrigerant pipe. Accordingly, when the refrigerant leaks into the room, it is possible to minimize the amount of the leaking refrigerant by collecting the refrigerant in the buffer tank.