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发明公开
CN101842629A 用于在低温构件上提供无冷凝液和无霜表面的设备和方法 无效 - 撤回

用于在低温构件上提供无冷凝液和无霜表面的设备和方法
摘要：
一种防止在低温传送系统(10)中的管路上和暴露于环境空气的低温冷却表面(14a)上结霜或结冰的设备。管路被密封在包含微孔隔膜(14)的外壳内。净化气流以有效压力被输送到外壳中，导致净化气体通过微孔隔膜(14)扩散并防止在设备的外表面(14a)上或低温排放喷嘴(420)周围结霜或结冰。
摘要（英）：

Apparatus that prevents the buildup of frost or ice on plumbing in a cryogenic delivery system (10) and on cryogenically cold surfaces (14a) exposed to ambient air. The plumbing is sealed within a casing that includes a microporous membrane (14). A purge gas stream is fed into the casing at an effective pressure, causing the purge gas to diffuse through the microporous membrane (14) and prevent frost or ice formation on an exterior surface (14a) of the apparatus or around a cryogenic discharge nozzle (420).

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