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热词
    • 7. 发明授权
    • Vaporator refrigerant feed modulated from a variable load
    • 蒸发器制冷剂从可变负载调制
    • US3680324A
    • 1972-08-01
    • US3680324D
    • 1970-12-07
    • FRICK CO
    • GARLAND MILTON W
    • F25B5/02F25B41/04F25B5/00
    • F25B5/02F25B41/04
    • A gravity circulation flooded evaporator has a first control which is responsive to the pressure of the liquid head in the supply line to the evaporator and a second control in the suction line to the compressor which is responsive to the vapor flow rate, the two controls being interconnected in such manner that the second is operative to override the first in order to modulate or stop the flow of refrigerant to the evaporator at a lower pressure head than that which is normally used during periods when the load on the evaporator is below a predetermined minimum, in order to avoid an undesirable accumulation of liquid refrigerant in the evaporator during periods of low load.
    • 重力循环溢流蒸发器具有第一控制,其响应于蒸发器的供应管线中的液体头的压力,以及响应于蒸汽流速的压缩机的吸入管线中的第二控制,两个控制是 以这样的方式相互连接,使得第二个可操作地超越第一个,以便在比通常在蒸发器上的负载低于预定最小值的时段期间以比在通常使用的压力下更低的压力头调节或停止制冷剂到蒸发器的流动 ,以避免在低负载期间液体制冷剂在蒸发器中不期望的积聚。