Patent · US Active

Estimating parameters of a fluid

US11761915B2 · kind B2 · utility

0Cited by

8References

14Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Martin Wetzel · Rastatt, DE
Steffen Glöckle · Weingarten, DE
Sven Osswald · Fellbach, DE
Mike Schmanau · Malsch, DE

Key dates

Filing date	Jul 1, 2020
Grant date	Sep 19, 2023
Priority date	—
Expiry date	Feb 12, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01N33/2847
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A valve comprising a controller; a heater; and two temperature transducers. The controller sends a close signal to the actuator and records a first temperature signal from the first temperature transducer, then controls the heater to attain a first temperature set point at the second temperature transducer. The controller records a time or an amount of energy required to attain the first temperature set point, then sends an open signal. The controller records a second temperature, controls the heater to attain a second set point at the second transducer, and records a time or an energy required to attain the second temperature set point. The controller classifies a fluid inside based on the first value and a flow rate of the fluid through the fluid path based on the second value.

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