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1. 发明授权

US4635487A Fluid sampler 失效
标题翻译：流体取样器
公开(公告)号：US4635487A
公开(公告)日：1987-01-13
申请号：US792374
申请日：1985-10-29
申请人： Scott Gowing
发明人： Scott Gowing
IPC分类号： G01N1/12 , G01N1/10
CPC分类号： G01N1/12
摘要： A rubber bladder enclosed in a pressure tank having a valved opening is inflated by bladder inflation means to a pressure corresponding to the hydrostatic or other pressure of the environment to be sampled. Once the apparatus is located in the environment which is to be sampled, means for slowly exhausting the gas from the bladder, possibly a pump, are activated whereby hydrostatic or other pressure collapses the bladder and a fluid sample quiescently fills the pressure tank through the valved opening. When sample collection is complete, the valved opening, which is locally or remotely controllable, is closed and the sample is retrieved. Residual or ullage gas in the bladder maintains the sample at the pressure at which it was collected. Bladder inflating means are again employed after apparatus retrieval to initiate sample flow from the tank to an examining device or instrument at the same pressure that exists in the sampler.
摘要翻译：封闭在具有阀门开口的压力罐中的橡胶囊被气囊膨胀装置膨胀到与待采样环境的静水压力或其他压力相对应的压力。一旦设备位于待采样的环境中，用于从气囊（可能的泵）缓慢排出气体的装置被激活，由此静压或其它压力使气囊塌陷，并且流体样品通过阀门静态地填充压力罐开放当样品收集完成时，局部或可远程控制的阀门开口关闭，取样。膀胱中残留或残留的气体将样品保持在收集的压力。在装置回收之后，再次采用膀胱充气装置，以在采样器中存在的相同压力下启动样品流从罐到检查装置或仪器。

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