Patent · US Expired

Flow meter system

US5038773A · kind A · utility

103Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 1990
Grant dateAug 13, 1991
Priority date
Expiry dateJun 8, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/46
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A flow meter system having a disposable mouthpiece including symmetrically disposed pitot tubes for measuring the velocity of the respiratory gases flowing through the mouthpiece and an electronic module including sensitive pressure transducers coupled to the mouthpiece and operative over a wide dynamic range provides input signals to a signal processing network for converting the pressure readings to flow information useful in cardiopulmonary performance analyzing equipment.

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