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    • 10. 发明申请
    • GASEOUS SAMPLE INJECTION VALVE AND GASEOUS SAMPLE INJECTION METHOD USING SAME
    • 气体样品注射阀和采用相同方法的气体样品注射方法
    • US20140312255A1
    • 2014-10-23
    • US14358859
    • 2011-11-18
    • Mo YangSeung Yong KimHyun Sik Kim
    • Mo YangSeung Yong KimHyun Sik Kim
    • F16K31/06
    • F16K31/0658F16K11/207F16K11/24H01J49/0422H01J49/0495
    • The present invention relates to a gaseous sample injection valve. The gaseous sample injection valve includes a middle body injecting a fixed amount of a gaseous sample into the vacuum chamber of a mass spectrometer, the middle body being constituted by a gaseous sample injection tube, a gaseous sample discharge tube, a storage part, and a vacuum chamber connection tube; an upper body accommodating a first solenoid coil, a first plunger, and a first packing; and a lower body accommodating a second solenoid coil, a second plunger, and a second packing. The gaseous sample injection valve according to the present invention may be miniaturized to utilize a lightweight portable mass spectrometer. Also, the vacuum pump may be reduced in load to extend the operation life-cycle of the vacuum pump. In addition, when the gaseous sample is analyzed by using the mass spectrometer, a uniform mass spectrum with respect to the gaseous sample may be obtained.
    • 本发明涉及一种气态样品注入阀。 气态样品注入阀包括将固定量的气态样品注入质谱仪的真空室中的中间体,中间体由气体样品注入管,气体样品放电管,存储部和 真空室连接管; 容纳第一螺线管线圈的上体,第一柱塞和第一填料; 以及容纳第二电磁线圈,第二柱塞和第二填料的下体。 根据本发明的气态样品注射阀可以被小型化以利用轻便的便携式质谱仪。 此外,真空泵可以减小负载以延长真空泵的操作寿命。 此外,当通过使用质谱仪分析气态样品时,可以获得相对于气态样品的均匀质谱。