Patent · US Expired

Vortex flowmeter

US5193399A · kind A · utility

2Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 1991
Grant dateMar 16, 1993
Priority date
Expiry dateJul 1, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F5/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A vortex flowmeter wherein a main body and a fitting plate with a by-pass are integrally formed with each other and the fitting plate placed an an outlet of a passage of small diameter and of a constant section extending from an inlet of a large diameter with a continuous contraction. The passage in the main body includes a vortex generator and a vortex sensing means for detecting a vortex produced by the vortex's generator. The by-pass line is composed of a plurality of round through-holes arranged in a circular portion of the fitting plate.

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