Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1996-06-17
1998-07-21
Pyon, Harold Y.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422 99, 422100, 422104, 137392, 13762411, 13762412, 13762415, B01L 300
Patent
active
057831556
ABSTRACT:
An apparatus periodically samples fluid flowing across a surface by providing a plate for mounting flush with the surface. The plate has an aperture extending there through and a tubular body extends from the around the aperture with a passage in communication with the aperture. A sample collection vessel is removably attached to the body to receive fluid passing through the aperture and the passage. A valve member closes the aperture and moves when driven by an electromechanical device. The electromechanical device operates the valve member to alternately open and close the aperture during a defined sampling time to acquire a plurality of samples of the fluid flowing across the surface.
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Emmel Grant R.
Feyzi Farshid
Greenler Leland S.
Owens David W.
Pyon Harold Y.
Wisconsin Alumni Research Foundation
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