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公开(公告)号:US20040118219A1
公开(公告)日:2004-06-24
申请号:US10324016
申请日:2002-12-20
发明人: Jeffrey Pollard
IPC分类号: G01F001/37
CPC分类号: G01F1/40 , F16K5/0605
摘要: A method and apparatus includes a multi-position valve that restricts the air flow when the valve is placed in one position. Pressure tap valves are located are the inlet and outlet ports to measure the pressure differential and thereby determine the airflow rate.
摘要翻译: 一种方法和装置包括一个多位置阀门,当阀门被放置在一个位置时,该多位置阀限制空气流动。 压力分接阀位于入口和出口端口,用于测量压力差,从而确定气流速率。