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    • 1. 发明申请
    • SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE
    • 具有计量装置的样品注射器在中间阀状态下平衡压力差
    • WO2010139359A1
    • 2010-12-09
    • PCT/EP2009/056795
    • 2009-06-03
    • AGILENT TECHNOLOGIES, INC.KRETZ, WolfgangGLATZ, Bernd
    • KRETZ, WolfgangGLATZ, Bernd
    • G01N30/32G01N30/20G01N30/36
    • G01N30/20G01N30/32G01N30/36G01N2030/027G01N2030/207
    • A sample injector (200) for use in a fluid separation system (10) for separating compounds of a fluidic sample in a mobile phase, the sample injector (200) comprising a switchable valve (202), a sample loop (204) in fluid communication with the valve (202) and configured for receiving the fluidic sample, a metering device (206) in fluid communication with the sample loop (204) and configured for introducing a metered amount of the fluidic sample on the sample loop (204), and a control unit (208) configured forcontrolling switching of the valve (202) to transfer the sample loop (204) between a low pressure state and a high pressure state via an intermediate state and for controlling the metering device (206) during the intermediate state to at least partially equilibrate a pressure difference in the sample loop (204) between the low pressure state and the high pressure state.
    • 一种用于流体分离系统(10)的样品注射器(200),用于分离流动相中的流体样品的化合物,样品注射器(200)包括可切换阀(202),流体中的样品环(204) 与所述阀(202)的连通并且被配置为接收流体样品;计量装置(206),其与所述样品环(204)流体连通并且被配置用于将计量量的所述流体样品引入所述样品环(204)上, 以及控制单元(208),其被配置为用于控制所述阀(202)的切换以经由中间状态在低压状态和高压状态之间传送所述样品回路(204),并且用于在所述中间状态期间控制所述计量装置(206) 状态以至少部分平衡在低压状态和高压状态之间的样品回路(204)中的压力差。