专利名称：ACOUSTIC FLEXURAL ORDER LEVEL SENSOR发明人：KNOWLES, TERENCE, J.申请号：EP13837207申请日：20130912公开号：EP2895825A4公开日：20160706
摘要：A liquid level sensor includes a rod having a first portion and a second portion,and a wave generation unit affixed to one end of the rod. The wave generation unitgenerates a wave group that propagates in at least a shear order and a flexural order,and the frequency of the shear wave is based on the diameter of the rod.
申请人：STREET SMART SENSORS LLC
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