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    • 83. 发明授权
    • Low ambient control of subcooling control valve
    • 底部控制阀的低环境控制
    • US3638446A
    • 1972-02-01
    • US3638446D
    • 1969-06-27
    • ROBERT T PALMER
    • PALMER ROBERT T
    • F25B41/06F25B41/04
    • F25B41/062F25B2341/063F25B2341/0681
    • A refrigeration system has a condenser coil cooled by outdoor air, and has a subcooling control valve with its thermal bulb in heat exchange contact with the liquid line from the condenser coil. The bulb is normally heated by an electric heater, and the valve is adjusted to provide a desired amount of subcooling of the liquid when the heat applied to the bulb by the electric heater is maximum. At low outdoor temperatures when the condenser pressure decreases so that a conventional subcooling control valve would not open sufficiently, the electric heat is automatically reduced so that the valve opens wider.
    • 制冷系统具有由室外空气冷却的冷凝器盘管,并且具有过冷却控制阀,其热管与来自冷凝器盘管的液体管线热交换接触。 灯泡通常由电加热器加热,并且当通过电加热器施加到灯泡的热量最大时,调节阀门以提供所需量的液体过冷。 在室外温度低的情况下,当冷凝器压力降低时,传统的过冷控制阀不能充分开启,电热自动降低,阀门打开得更宽。
    • 90. 发明申请
    • REFRIGERANT FLUID FLOW CONTROL DEVICE AND METHOD
    • 制冷剂流体流量控制装置和方法
    • WO2007053801A2
    • 2007-05-10
    • PCT/US2006/060102
    • 2006-10-20
    • ECR Technologies, Inc.COCHRAN, Robert W.
    • COCHRAN, Robert W.
    • F25B41/06F25B41/04
    • F25B41/062F25B2341/063
    • A subcool flow control valve useful in a refrigerant system includes an enclosure having a fluid flow pathway for a controlled fluid between an inlet and an outlet. A thermally conductive flexible wall forms a sealed cavity within the enclosure for carrying a controlling fluid. A metering orifice operable between the pathway and the outlet port controls an amount of metered fluid passing through the outlet port in response to movement of the flexible wall toward and away from the metering orifice in response to temperature changes of the controlled fluid transmitting temperature and thus pressure changes to the controlling fluid in the sealed cavity. Inverse thermal feedback means is formed as part of the valve for stabilizing valve operation thus providing means for transmitting a thermal signal from the metered controlled fluid back to the controlling fluid.
    • 用于制冷剂系统的过冷流量控制阀包括具有用于入口和出口之间的受控流体的流体流动路径的外壳。 导热柔性壁在外壳内形成用于承载控制流体的密封腔。 响应于受控流体传输温度的温度变化,响应于柔性壁向着和远离计量孔口的移动而在通路和出口端口之间可操作的计量孔口控制通过出口端口的计量流体的量,并因此 压力变化到密封腔中的控制流体。 反向热反馈装置形成为用于稳定阀操作的阀的一部分,因此提供用于将来自计量的受控流体的热信号传输回控制流体的装置。