Cryogenic purification device and method and machine comprising a purification device

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United States of America Patent

PATENT NO 11585599
APP PUB NO 20200124347A1
SERIAL NO

16625668

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Abstract

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Device and method for the cryogenic purification of a stream of gas, comprising a purification circuit comprising a first inlet and a first set of filters arranged in series, the first set of filters comprising a terminal heat exchanger in a heat-exchange relationship with a cold source, the purification circuit comprising, downstream of the terminal exchanger, a first outlet, the device comprising at least one drive member intended to set the stream of gas in motion in the circuit, the purification circuit further comprising, between the terminal exchanger and the first outlet, a second set of filter(s), and the at least one drive member being configured to set two successive volumes of gas for purification in motion in opposite directions of circulation in the circuit. The invention also relates to a machine including such a device.

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Patent Owner(s)

Patent OwnerAddress
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEPARIS FRANCE PARIS PARIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Butterworth, James Fontaine, FR 8 13
Pennec, Yan Saint Egreve, FR 9 3

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