Measuring and testing – Gas analysis – Solid content of gas
Patent
1979-08-02
1980-11-25
Lacey, David L.
Measuring and testing
Gas analysis
Solid content of gas
734215R, 55270, 55271, G01N 124
Patent
active
042350980
ABSTRACT:
Air sampling apparatus having a housing covered by a roof which creates a passageway between the housing and the roof. The housing has an open upper end and a plate with a hole through it for mounting a filter and a blower by which air is drawn through the filter. A cover plate for the filter is provided with means for removing the plate when air is to be drawn through the filter and replacing the plate over the filter when the air blower is inoperative.
REFERENCES:
patent: 3104542 (1963-09-01), Scoggins
patent: 4151742 (1979-05-01), Howlett
High Volume Air Samplers, General Metal Works, Inc., Models; GMWL-2000, GMWL-2000H, GMWR-5000, GMWS-2310 Accu-Vol.TM., GMWT 2200, & Accessories, 8368 Bridgetown Road, Cleves, Ohio 45002, pp. 3-11, Bulletin No. GMW-75, SM-WP-975.
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