Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1992-06-03
1993-06-01
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422124, 34 80, 34 82, B01L 900, F26B 2106
Patent
active
052157180
ABSTRACT:
A laboratory dryer especially for drying potentially infectious or toxic samples has a housing with an air inlet and an air outlet, the housing defining an air flow path. The samples are received at a station between the inlet and the outlet along the air flow path, and subjected to a powered air flow via a fan. A hydrophilic filter element intersects the air flow downstream along the air flow path from the samples and upstream of the outlet, and captures particulate matter and water droplets which would otherwise be carried by the air flow from the housing into the room where the dryer is located. An electric heater is disposed in the housing adjacent the inlet and downstream of the fan. The housing can have an internal cross section of decreasing area proceeding towards the samples along the air flow path, whereby a velocity of the air over the samples is increased. The housing defines a plurality of compartments for receiving the samples along sections separated by internal partitions of the housing disposed parallel to the flowpath. The hydrophilic filter element is a fibrous batt of fibers disposed across the outlet, preferably synthetic fibers such as polyethylene fibers, mounted in a frame whereby the filter element can be readily removed.
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Katzer Rodney A.
McBrairty Charles F.
McBrairty Edward J.
Housel James C.
Soderquist Arlen
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