Estimating parameters of a fluid

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United States of America Patent

PATENT NO 11761915
APP PUB NO 20210003431A1
SERIAL NO

16918457

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS AKTIENGESELLSCHAFT80333 MÜNCHEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Glöckle, Steffen Weingarten, DE 2 0
Osswald, Sven Fellbach, DE 2 2
Schmanau, Mike Malsch, DE 8 31
Wetzel, Martin Rastatt, DE 10 51

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