Patent · US Expired

Flow meter

US4467644A · kind A · utility

6Cited by
5References
9Claims
0Family size

Inventors

Key dates

Filing dateDec 27, 1982
Grant dateAug 28, 1984
Priority date
Expiry dateDec 27, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/002
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A flow meter for detecting and recording a plurality of data points representative of the depth and velocity of liquid flow in an open container. A weighted sensor has a dimpled surface to induce turbulence at low velocities to assure a substantially linear velocity characteristic. An electromagnetic velocity transducer and a single tube bubbler are engaged to the sensor to provide data which is periodically read into a cassette recorder. A microcomputer controls timing functions with respect to the collection and recordation of data within the system.

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