Knobbe Martens Olson & Bear LLP
Sampling device and gas curtain guide
A sampling device and a gas curtain guide are disclosed. In one aspect, the sampling device includes a chamber body. The chamber body includes a sample inlet, located at a first end of the chamber body, configured for suction of a sample. The chamber body further includes a sample outlet, located adjacent to a second end opposite to the first end of the chamber body, configured to discharge the sample. The chamber body further includes a gas inflation inlet, in a wall of the chamber body, configured to introduce a swirl gas flow into the chamber body. The chamber body further includes a gas exhaust opening configured to discharge gas so as to, together with the gas inflation inlet, generate a tornado type gas flow in the chamber body, which moves spirally from the first end to the second end of the chamber body.
Nuctech Company Limited
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G01N G01N G01N
inventional inventional inventional
Zhiqiang Jianping Weiping Qingjun Yuanjing Qiufeng Xiang Huishao Ziran Yinong Yaohong
Chen Chang Zhu Zhang Li Ma Zou He Zhao Liu Liu