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    • 1. 发明申请
    • INJECTION VALVE ASSEMBLY WITH LOOPING INTERNAL SAMPLE LOOP
    • 带环形内部样本环的注射阀组件
    • WO2018057210A1
    • 2018-03-29
    • PCT/US2017/048190
    • 2017-08-23
    • PICHA, Neil, R.
    • PICHA, Neil, R.
    • G01N30/16
    • G01N30/20F16K11/076F16K31/041G01N2030/201G01N2030/202G01N2030/207
    • An injection valve assembly with looping internal sample loop works to inject discrete fluid samples into analytical instrumentation. The assembly provides an internal sample loop that carries the fluid sample follows an outwardly looping path. This looping deposition enables internal sample loop to have a uniform cross section and a larger sample volume of fluid; thereby creating enhanced peak shape in chromatography readings. The assembly provides a stator defined by stator openings, and a rotor defined by rotor grooves. The rotor grooves are arranged to form a rotor circumference. A stator face engages the stator to maintain operational engagement between the stator and the rotor. Internal sample loop is defined by a generally looped shape and an inner tube diameter. Internal sample loop follows a path at least partially outside the rotor circumference; whereby more than half of the length of internal sample loop is outside the rotor circumference.
    • 具有环形内部样品环的喷射阀组件用于将不连续的流体样品注入到分析仪器中。 该组件提供了一个内部样品环路,用于携带流体样品沿着向外循环的路径行进。 这种循环沉积使得内部样品环路具有均匀的横截面和更大的流体样品体积; 从而在色谱读数中创建增强的峰形。 该组件提供由定子开口限定的定子和由转子槽限定的转子。 转子凹槽布置成形成转子圆周。 定子面接合定子以保持定子和转子之间的操作接合。 内部样品环由大致环状形状和内管直径限定。 内部采样环沿着至少部分地位于转子圆周外部的路径行进; 由此内部样品环路的一半以上的长度在转子圆周外。