Apparatus for selectively sampling dust and like solid particles

Details Apparatus for selectively sampling dust and like solid particles Apparatus for selectively sampling dust and like solid particles

1978-04-21

1979-05-08

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Solid content of gas

55270, G01N 1506

Patent

active

041529235

ABSTRACT:
The invention relates to apparatus for the selective sampling of dust or other solid particles granulometrically.
A rotor is composed of a cup 6 containing a ring of porous foam 7 provided with a central air supply duct 8 and an aperture 17 surmounted by a casing 15 which, opposite the aperture 17, is provided with an aperture 18 into which leads a central annular suction duct 14. Dust particles larger than 5.mu. are collected in the casing 15, while finer dust particles are collected in the foam 7.
The invention is applicable to the sampling of dust by making a granulometric cut.

REFERENCES:
patent: 3590629 (1971-07-01), Courbon
patent: 3765155 (1973-10-01), Courbon
patent: 3949594 (1976-04-01), Treaftis et al.

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