Measuring and testing – Sampler – sample handling – etc. – Flow divider – deflector – or interceptor
Patent
1991-05-02
1992-04-07
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
Flow divider, deflector, or interceptor
7386481, G01N 100
Patent
active
051016729
ABSTRACT:
A closed loop system is provided for by-passing, from a duct, a small fluid-entrained stream of particulates or solids; separating the stream into a particulate fraction and a fluid stream that essentially is free of the particulates; returning such fluid stream to the duct downstream from the by-pass; analyzing the particulate fraction; and dispersing particulates, after analysis, into the fluid stream being returned to the duct. To analyze particulates such as cotton lint, the separated lint is formed into a batt, the batt is passed in contact with a wall having an analyzer operatively associated therewith; a segment of the batt is compressed against the wall adjacent the analyzer by placing a weighted object against the segment; analysis is carried out on the compressed segment after which the object is lifted off the segment to permit the segment to be displaced with another segment of the batt; and the compression, analyzing, and lifting steps are repeated on the second segment.
REFERENCES:
patent: 3005152 (1961-10-01), Jennings et al.
patent: 3005153 (1961-10-01), Berkley et al.
patent: 3999860 (1976-12-01), Demsky et al.
patent: 4400850 (1983-08-01), Burnett
patent: 4967602 (1990-11-01), Norton
Anthony William S.
McCaskill Oliver L.
Fado John D.
Raevis Robert
Silverstein M. Howard
The United States of America as represented by the Secretary of
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