Patent · US Expired

Procedure for flow measurement and equipment therefor

US5040422A · kind A · utility

34Cited by

8References

16Claims

0Family size

Assignee

Horst Frankenberger · DE

Inventors

Horst Frankenberger · Bad Schwartau, DE
Manfred Salamon · Lübeck, DE

Key dates

Filing date	Feb 26, 1990
Grant date	Aug 20, 1991
Priority date	—
Expiry date	Feb 26, 2010

Classification

Technology area (CPC G)Physics
CPC primaryG01P5/008
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A process and apparatus for flow measurement in which a marker volume is generated by the application of an electric voltage. This marker volume runs through a measured length in the direction of flow. The flow speed or a measurement linked to the flow speed is calculated from the transit time of the market volume. In adapting same for use in the characteristic flow range of body-related, aqueous fluids, that is, for measuring the flow of electrolytic, body-related fluids, the marker volume is generated by a short-term electrolytic breakdown of the fluid and the applied voltage is less than 24 Volts.

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