Patent · US Expired

Flow meter

US4182172A · kind A · utility

9Cited by
5References
1Claims
0Family size

Inventors

Key dates

Filing dateAug 18, 1978
Grant dateJan 8, 1980
Priority date
Expiry dateAug 18, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/2234
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

This invention relates to a flow meter of a fluidistor oscillator type, which has its principal use when measuring the ventilation of a moving human being or animal. Thanks to the special design of the flow meter it can be made small, light and portable at the same time as the pressure drop in it is minimal.

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