Patent · US Expired

Liquid coupling for doppler sonic flowmeter

US4279167A · kind A · utility

20Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 1979
Grant dateJul 21, 1981
Priority date
Expiry dateOct 1, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2291/02836
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A coupling device for attachment of a sonic doppler flowmeter to pipes or conduits is shown and described. In this coupling, a temperature compensated liquid wedge is used to couple the transducer to the wall of the pipe or conduit, and means are shown and described for eliminating bubbles from the liquid wedge region.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.