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1. 发明授权

US08770046B2 Autosampler with control unit for performing a cleaning operation 有权
标题翻译：具有执行清洁操作的控制单元的自动进样器
公开(公告)号：US08770046B2
公开(公告)日：2014-07-08
申请号：US13382499
申请日：2010-09-01
申请人： Yoshiaki Maeda , Kenichi Yasunagi , Takafumi Nakamura
发明人： Yoshiaki Maeda , Kenichi Yasunagi , Takafumi Nakamura
IPC分类号： G01N1/22
CPC分类号： G01N30/24 , G01N30/18 , G01N30/20 , G01N35/1097 , G01N2030/202
摘要： An autosampler is provided with a needle, a measuring pump which sucks and discharges liquid through the needle, a movement mechanism for the needle, and an injection port which has a needle sealing surface. A sample liquid is sucked into the needle and then the sample liquid discharged with the tip of the needle pressed to the needle sealing surface. When cleaning the needle sealing surface, a cleaning liquid within the injection port is sucked and then the cleaning liquid is discharged and sucked into the injection port at a position at which the tip of the needle does not make contact with the needle sealing surface. Alternatively, after the cleaning liquid is discharged into the injection port, the needle may be caused to perform an up and down motion such that the tip of the needle contacts the needle sealing surface and then is lifted.
摘要翻译：自动进样器具有针，通过针吸液排出的测量泵，针的移动机构和具有针密封面的注射口。将样品液体吸入针中，然后用针尖排出的样品液压到针密封表面。当清洁针密封面时，吸入注射口内的清洗液，然后将清洗液排出并吸引到针头未与针密封面接触的位置处的注射口。或者，在将清洁液排出到注入口之后，可以使针进行上下运动，使得针的尖端接触针密封面，然后被提起。

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