<p>A method and apparatus are provided for monitoring a liquid level in a closed tank with a differential pressure sensor module disposed in a bottom portion of the tank, by routing a pressure reference tube extending from the pressure sensor module through the interior of the tank and attaching an opposite, open, vented end of the pressure reference tube to the tank at a point inside of the tank in an upper portion of the tank.</p>
申请公布号
WO2006020733(A3)
申请公布日期
2006.11.02
申请号
WO2005US28472
申请日期
2005.08.10
申请人
ROBERTSHAW CONTROLS COMPANY;CUPPLES, KENNETH, ALAN;SCHENK, WILLIAM, PETERS, JR.
发明人
CUPPLES, KENNETH, ALAN;SCHENK, WILLIAM, PETERS, JR.