Patent · US Expired

Sewer flow measurement control system

US5198989A · kind A · utility

39Cited by
9References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 13, 1990
Grant dateMar 30, 1993
Priority date
Expiry dateJun 13, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S15/582
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A sewer flow monitoring system wherein the volume of flow is determined from the depth of fluid in a pipe together with the average velocity of flow through the pipe as determined by detecting the peak velocity from particles flowing in sewage at different velocities and then determining average velocity to be approximately 90% of the peak velocity.

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