Device and method for purifying a gas mixture
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United States of America Patent
Stats
-
Sep 8, 2020
Grant Date -
Nov 22, 2018
app pub date -
May 16, 2018
filing date -
May 22, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Device and method for purifying a gas mixture to produce a concentrated gas, notably neon, starting from a mixture comprising neon, said device including, in a cold box housing a cryogenic purification circuit comprising, in series, at least one unit for purifying the mixture by cryogenic adsorption at a temperature between 65K and 100K and notably 65K, then a unit for cooling the mixture to a temperature between 25 and 65 K and then a unit for cryogenic distillation of the mixture to produce the concentrated liquid at the outlet of the cryogenic distillation unit, characterized in that the unit for cooling the mixture to a temperature between 25 and 65 K comprises at least one cryocooler that extracts thermal power from the mixture via a heat exchanger.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2018 Application Filing Year
- F25J Class
- 217 Applications Filed
- 133 Patents Issued To-Date
- 61.30 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F25J Class
- 0 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 8, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 8, 2032 |
