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    • 36. 发明授权
    • Leakage restriction device for refrigeration cycle
    • 制冷循环泄漏限制装置
    • US06443502B1
    • 2002-09-03
    • US09549319
    • 2000-04-13
    • Arata IidaHiroyuki Wakabayashi
    • Arata IidaHiroyuki Wakabayashi
    • F16L1700
    • F16L39/00B60H1/00571F16L41/086F25B41/003F25B2309/06F25B2500/221Y10S277/91Y10S285/91Y10S285/918
    • A leakage restriction device for a refrigeration cycle of a vehicle air conditioner in which refrigerant flows has first and second rubber gaskets. The first and second gaskets are disposed between a pipe and a pipe joint of the refrigeration cycle for restricting refrigerant from leaking into atmospheric air. The first gasket is disposed on an atmospheric-air side and the second gasket is disposed on a refrigerant side between the pipe and the pipe joint. The first gasket has a gas permeability lower than that of the second gasket, and has a blistering-resistance which is inferior to that of the second gasket. As a result, refrigerant is restricted from leaking into atmospheric air, and a blister is restricted from being formed in the first and second gaskets even when a pressure of refrigerant is rapidly changed.
    • 用于制冷剂流动的车辆空调的制冷循环的泄漏限制装置具有第一橡胶垫圈和第二橡胶垫圈。 第一和第二垫圈设置在制冷循环的管道和管接头之间,用于限制制冷剂泄漏到大气中。 第一垫圈设置在大气侧,第二垫圈设置在管与管接头之间的制冷剂侧。 第一垫片的气体透过率低于第二垫片,并且具有比第二垫圈差的耐起泡性。 结果,制冷剂被限制为泄漏到大气中,并且即使当制冷剂的压力快速变化时也限制了在第一和第二垫圈中形成泡罩。