Patent · US Expired

Flow sensor

US7013738B2 · kind B2 · utility

1Cited by

10References

21Claims

0Family size

Assignee

Grundfos Holding A/S · DK

Inventors

Jens Peter Krog · Ulstrup, DK
Nicholas Pedersen · Lawrence, US
Per Ellemose Andersen · Bjerringbro, DK

Key dates

Filing date	Dec 22, 2003
Grant date	Mar 21, 2006
Priority date	—
Expiry date	Dec 22, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG01F1/3266
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A flow sensor is provided with an obstruction (8) projecting into a flow and at least one measuring probe (10) for measuring a vortex produced by the obstruction (8). The measuring probe (10) includes at least one membrane (12) and a measuring element arranged directly on the membrane (12), for detecting the membrane deflection.

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