Patent · US Expired

System for the measurement of the difference between two fluid flows in separate ducts

US4585552A · kind A · utility

8Cited by

3References

10Claims

0Family size

Assignee

GAMBRO LUNDIA AB · SE

Inventors

Bengt-Ake G. Gummesson · Bara, SE
Bengt M. Holmberg · Bjärred, SE
Sven Jonsson · Storebro, SE
Ulf K. Mattisson · Skutskär, SE

Key dates

Filing date	Sep 12, 1983
Grant date	Apr 29, 1986
Priority date	—
Expiry date	Sep 12, 2003

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A system for the measurement of the difference between two fluid flows in two separate ducts using one or more monitoring electrodes or the like arranged in respective ducts is disclosed. The fluid flow in one duct is adapted so that it is capable of being transferred to the other duct. This can be done, for example, using means for the alternate change-over of the fluid flows from their respective ducts to the opposite duct, so that ultimately all the electrodes and/or duct walls are acted upon to a substantially equal extent. Alternatively, this may be achieved using means for conducting one and the same fluid flow through both ducts where the fluid flow difference becomes zero and the measured value can be used as a new zero value for the continued measurement.

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