Personal and environmental fluid sampling apparatus

Details Personal and environmental fluid sampling apparatus Personal and environmental fluid sampling apparatus

G - Physics

01

N

G01N 1/10 (2006.01) G01N 1/14 (2006.01) G01N 1/22 (2006.01) G01N 1/24 (2006.01)

Patent

CA 2364407

A self sealing fluid sampling apparatus includes a body with a filter therein and a fluid moving device, such as a fan, mounted therein for moving fluid through the filter. There is a fluid inlet communicating with the filter. There is also a fluid outlet communicating with the filter. A manually operable control simultaneously opens the fluid inlet and the fluid outlet and operates the fluid moving device for moving fluid from the fluid inlet, through the filter and out through the fluid outlet. For example, the body may be cylindrical and have a cylindrical shell rotatably mounted thereon. The shell and the body have fluid inlet openings and fluid 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 fluid moving device when the shell is rotated in the one direction. The fluid moving device includes a motor and an electrical power source mounted within the chamber in the body. The body has sealing means to seal the chamber from the fluid.

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