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US 10,591,936 B2Granted
Devices, systems and methods for purging and loading sorbent tubes
AssigneePerkinElmer Health Sciences, Inc.
InventorsMiles Snow, Lee Marotta
Life of this patent
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Abstract
Certain embodiments described herein are directed to devices that can be used in purging and loading applications. In some examples, a device configured to purge a sorbent tube until a desired water level is reached is provided. In other examples, a device configured to load a sorbent tube with a desired water level is provided. Systems and methods using the devices are also described.
Claims19
A method comprising:
- purging a sorbent tube with a purging gas;
- detecting a humidity level of fluid exiting the purged sorbent tube with a humidity sensor fluidically coupled to the sorbent tube;
- and
- discontinuing purging of the sorbent tube when the humidity level drops below a selected humidity level, wherein the purging is discontinued when the humidity level drops below 3% relative humidity and after the humidity sensor detects an inflection point from detection of the humidity level of the fluid exiting the purged sorbent tube.
1 more element
The method of clam 1, further comprising continuously monitoring the detected humidity levels in the exiting fluid.
A method of purging water from a sorbent tube, the method comprising:
- introducing a purging gas into a sorbent tube;
- detecting a water level in fluid exiting the sorbent tube with a humidity sensor fluidically coupled to the sorbent tube;
- and
- stopping introduction of the purging gas into the sorbent tube as soon as the detected water level in the exiting fluid is below a selected water level, wherein the purging is stopped when the humidity sensor detects an inflection point from detection of the water level of the fluid exiting the purged sorbent tube.
1 more element
Dependencies are inferred from the claim text.