发明名称 Upstream volume mass flow verification systems and methods field of the disclosure
摘要 This disclosure relates to mass flow verification systems for and methods of measuring and verifying the mass flow through a mass flow measurement device such as a mass flow controller. A mass flow verification system comprises a preset volume, a temperature sensor, and a pressure sensor. The measured verified flow determined by the mass flow verification system can be adjusted to compensate for errors resulting from a dead volume within the mass flow measurement device.
申请公布号 US2011022334(A1) 申请公布日期 2011.01.27
申请号 US20090508799 申请日期 2009.07.24
申请人 DING JUNHUA;ZARKAR KAVEH 发明人 DING JUNHUA;ZARKAR KAVEH
分类号 G01F1/80 主分类号 G01F1/80
代理机构 代理人
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