Personal and environmental air sampling apparatus

Details Personal and environmental air sampling apparatus Personal and environmental air sampling apparatus

2005-09-20

2005-09-20

Raevis, Robert (Department: 2856)

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

Reexamination Certificate

active

06945127

ABSTRACT:
A self sealing air sampling apparatus includes a body with a filter therein and an air moving device, such as a fan, mounted therein for moving air through the filter. There is an air inlet communicating with the filter. There is also a air outlet communicating with the filter. A manually operable control simultaneously opens the air inlet and the air outlet and operates the air moving device for moving air from the air inlet, through the filter and out through the air outlet. For example, the body may be cylindrical and have a cylindrical shell rotatably mounted thereon. The shell and the body have air inlet openings and air outlet openings which are aligned when the shell is rotated in one direction and become unaligned when the shell is rotated in an opposite direction thus sealing off the filter compartment from the outside environment. Rotation of the shell also closes a switch to operate the fan when the shell is rotated in the one direction.

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patent: WO 90/10282 (1990-09-01), None
patent: WO 02/31468 (2002-04-01), None

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