G - Physics – 01 – T
Patent
G - Physics
01
T
137/138, 358/8
G01T 1/161 (2006.01) G01T 1/18 (2006.01) G01T 7/04 (2006.01)
Patent
CA 1199554
ABSTRACT OF THE DISCLOSURE The present invention relates to a pressure reducing device and to an apparatus for detecting aerosols and particularly aerosols of solid particles emitting rays. This apparatus comprises a measuring chamber equipped with a sampling filter and a radiation detector and linked with the outside by an inlet pipe and an outlet pipe. The inlet pipe is equipped with a venturi tube making it possible to produce a pressure reduction in the measuring chamber and exert on the solid particles of the aerosol drag forces exceeding the forces tending to make these particles adhere to the walls. Application to the detection of radiation emitting aerosols. Fig. 1
407770
Commissariat A. L'energie Atomique
Goudreau Gage Dubuc
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