Method and apparatus for measuring cryogenic flow

Measuring and testing – Volume or rate of flow – Using differential pressure

Reexamination Certificate

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Reexamination Certificate

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11265234

ABSTRACT:
A method for calculating a mass flow rate of a cryogenic fluid within a flow tube includes positioning a sensor within a stream of cryogenic fluid flowing through the flow tube. The sensor is operatively coupled to a strain gauge. A difference between a dynamic pressure in the fluid stream and a static pressure in the fluid stream is measured and the mass flow rate of the cryogenic fluid within the flow tube is calculated.

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