Measuring and testing – Sampler – sample handling – etc. – With constituent separation
Patent
1999-06-07
2000-11-28
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
With constituent separation
G01N 100
Patent
active
061519707
ABSTRACT:
A virtual cyclone sampler of a hollow rectangular container is provided with an arcuate surface by chamfering an edge thereof. The virtual cyclone sampler is further provided with two guide slots which are located at junctions of the arcuate surface and two adjacent planes sharing the chamfered edge. The guide slots are intended to guide gas or airborne particles to flow into or out of the container. Two virtual cyclone samplers may be connected in symmetry to form a composite virtual cyclone sampler.
REFERENCES:
patent: 5277705 (1994-01-01), Anderson et al.
patent: 5437198 (1995-08-01), John
Chen Chih-Chieh
Huang Sheng-Hsiu
Shih Tung-Sheng
Institute of Occupational Safety and Health, Council of Labor Af
Raevis Robert
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