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    Air conditioner and piping communication method thereof
    1.
    发明授权
    Air conditioner and piping communication method thereof 有权

    公开(公告)号：US11732918B2

    公开(公告)日：2023-08-22

    申请号：US17251148

    申请日：2019-05-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Tae Bok Hur ,  Do Yeon Kim ,  Kong-Sik Youn ,  Rak-Chung Jung

    IPC: F24F11/56 ,  F24F11/89 ,  F24F1/06 ,  H04B3/54

    CPC classification number: F24F11/56 ,  F24F1/06 ,  F24F11/89 ,  H04B3/54

    Abstract: The disclosure provides an air conditioner capable of smoothly performing communication between an outdoor unit and indoor units using piping communication, and a piping communication method thereof. When communicating between an outdoor unit and indoor units using piping communication, a communication mode is automatically changed to a differential mode and a single mode to set the most suitable communication method for field characteristics according to a communication state, so that communication between the outdoor unit and the indoor units can be performed smoothly. This enables smooth piping communication by increasing a communication success rate even if a physical short between refrigerant pipes occurs in a multi-system air conditioner that connects a plurality of indoor units to a single outdoor unit, or even if there are more branch pipes for branching the refrigerant pipe.

    Washing machine
    3.
    发明授权
    Washing machine 有权

    公开(公告)号：US08991222B2

    公开(公告)日：2015-03-31

    申请号：US14184249

    申请日：2014-02-19

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Do Yeon Kim ,  Doo Young Ryu

    IPC: D06F35/00 ,  D06F21/04 ,  D06F23/02 ,  D06F37/22 ,  D06F37/20 ,  D06F37/30

    CPC classification number: D06F37/22 ,  D06F37/20 ,  D06F37/30

    Abstract: Disclosed herein is a washing machine that is capable of increasing a frictional force between an outer diameter of a rotary shaft and an inner race of a bearing to prevent the sliding between the rotary shaft and the bearing due to a gap between the outer diameter of the rotary shaft and the inner race of the bearing, thereby preventing creep noise from the rotary shaft. The washing machine includes at least one elastic member disposed between the outer diameter of the rotary shaft and the inner race of the bearing to prevent noise due to the sliding between the rotary shaft and the bearing.

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