Bounceless high pressure drop cascade impactor and a method for

Details Bounceless high pressure drop cascade impactor and a method for Bounceless high pressure drop cascade impactor and a method for

1977-08-03

1980-02-26

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Solid content of gas

55270, G01N 1502

Patent

active

041899377

ABSTRACT:
This invention is directed to a high pressure drop cascade impactor wherein the particles do not bounce from the collection plate; to a method for designing said impactor; a method for calculating and determining the particle size distribution of an aerosol wherein the particle size may have a Stokes (aerodynamic) diameter as small as 10 nanometers; and to a method of manufacturing such an impactor.
The impactor that is the subject of this invention is different from and superior to previously described impactors in the following principal respects:

REFERENCES:
patent: 3001914 (1961-09-01), Andersen
patent: 3693457 (1972-09-01), Pilat
patent: 3771291 (1973-11-01), Klingler
patent: 3795135 (1974-03-01), Andersen
patent: 3983743 (1976-10-01), Olin et al.
Holland et al., "Three Multi Stage Stack Samplers", Chemical Engineering Progress, vol. 69, No. 6, pp. 93-95, Jun. 1973.

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