Patent · US Expired

Determining and indicating the quantity of a stored material

US4553431A · kind A · utility

30Cited by

7References

19Claims

0Family size

Inventor

Walter Nicolai · Seevetal, DE

Key dates

Filing date	Apr 30, 1984
Grant date	Nov 19, 1985
Priority date	—
Expiry date	Apr 30, 2004

Classification

Technology area (CPC G)Physics
CPC primaryG01F17/00
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

This invention relates to a process for determining and indicating the quantity of a stored liquid or solid material, which is contained in a closed container of constant volume together with a gaseous filling medium introduced into the residual volume of the container interior, kept under a limitedly variable pressure (overpressure or underpressure) and varying from atmospheric pressure. The residual volume or a quantity constituting a measure thereof is measured and, calibrated in units of the stored product quantity, it being reproduced by means of an analog or digital indicating device.

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