Patent · US Expired

Flow rate measurement apparatus

US6935190B1 · kind B1 · utility

3Cited by
30References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 2003
Grant dateAug 30, 2005
Priority date
Expiry dateApr 7, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/22
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus for flow rate measurement includes a body having a chamber with an inlet and an outlet and a structure, buoyant in the presence of a fluid, disposed in the chamber. The structure moves to a position in the chamber in proportion to a flow rate of the fluid flowing from the inlet to the outlet.

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