Apparatus and method for releasing a gas into the atmosphere

Details Apparatus and method for releasing a gas into the atmosphere Apparatus and method for releasing a gas into the atmosphere

A - Human Necessities

61

L

210/1

A61L 2/00 (2006.01) A01M 1/20 (2006.01) A01M 13/00 (2006.01) A61L 9/12 (2006.01)

Patent

CA 1318286

ABSTRACT OF THE DISCLOSURE An apparatus for releasing gaseous material into the atmosphere employs a sorbent material that is sorptively saturated with a predetermined quantity of the gaseous material at a predetermined pressure, preferably approximately equal to atmospheric pressure. The gaseous material to be released preferably has a vapor pressure lower than the predetermined pressure at which the sorbent material is sorptively saturated. The apparatus also includes means for selectively exposing the sorbent material to the atmosphere in order to allow the gaseous material to be desorptively released.

575469

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