Liquid trap with purge port

Details Liquid trap with purge port Liquid trap with purge port

1992-06-03

1993-05-11

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55169, 55189, 55213, 55270, 128719, 128730, B01D 4512

Patent

active

052097617

ABSTRACT:
A liquid trap for removing liquid such as condensed water vapor from gas in a patient's sampled airstream. The liquid trap includes a separation chamber that is used to separate the liquid from the gas. An opening in the separation chamber allows the liquid to flow into a collection chamber where it is temporarily stored. The collection chamber has a purge port that allows the chamber to be emptied of liquid without removing the chamber from a gas analyzer. A check valve is coupled to the purge port to retain the liquid in the collection chamber. Electrodes sense when the liquid reaches a predetermined level. A vacuum is applied to the check valve to remove the liquid from the collection chamber through the purge port.

REFERENCES:
patent: 4274425 (1981-06-01), Lutz et al.
patent: 4535820 (1985-08-01), Raines
patent: 4592368 (1986-06-01), Ricciardelli et al.
patent: 4713095 (1987-12-01), Ricciardelli
patent: 4717403 (1988-01-01), Choksi
patent: 4821737 (1989-04-01), Nelson
patent: 5096598 (1992-03-01), Pecen et al.

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