Automatic tank gauging system with a quasi static reference subsystem
摘要
An apparatus for measuring liquid levels and leak rates in a storage tank, using an acoustic transducer and a quasi-static reference device that positions an acoustic target within a predetermined distance range below the surface of the liquid.
申请公布号
US5228339(A)
申请公布日期
1993.07.20
申请号
US19920877260
申请日期
1992.04.28
申请人
MARESCA, JR., JOSEPH W.;STARR, JAMES W.;WILSON, CHRISTOPHER P.
发明人
MARESCA, JR., JOSEPH W.;STARR, JAMES W.;WILSON, CHRISTOPHER P.