MOBILE LIQUEFACTION PLANT FOR LIQUEFYING HELIUM, ASSOCIATED SYSTEM, AND ASSOCIATED USE OF THE SYSTEM
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United States of America Patent
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Issued Date -
Sep 30, 2021
app pub date -
Mar 31, 2021
filing date -
Mar 31, 2020
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Abstract
A mobile liquefaction plant (7) for liquefying helium, includes
- a liquefaction device (8) that liquefies helium,an intermediate storage tank (9) for liquefied helium,a cleaning device (29) which removes non-helium components from the helium and is connected upstream of the liquefaction device, andan additional collecting device (25) that collects gaseous helium which evaporates when an application cryostat (4) is filled with liquid helium and that includes a container (26) with a flexible wall and which stores the collected gaseous helium approximately at atmospheric pressure. The container (26) has an available container volume of at least 5 m3. Systems provided with such a mobile liquefaction plant exhibit an improved recovery of helium from application cryostats in a simple and cost-effective manner.
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