Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1988-10-21
1991-06-11
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 58, 422103, 436902, 73188, 252305, G01N 3100
Patent
active
050230557
ABSTRACT:
The invention is directed to a flow tester for air wherein at least two different materials are accommodated in at least two supply chambers. A visible aerosol is formed when the materials are mixed. The flow tester is improved with respect to an optimal adjustment of the mixing ratio of the components as well as providing a reduction of the flow resistance. The flow tester includes at least two supply chambers which are connected in parallel with respect to the flow therethrough.
REFERENCES:
patent: 3022141 (1962-02-01), Grosskopf
patent: 3033655 (1962-05-01), Grosskopf
patent: 3100692 (1963-08-01), Wachter
patent: 3658719 (1972-04-01), McConnaughey
patent: 4800067 (1989-01-01), Heckmann et al.
Dragerwerk Aktiengesellschaft
Griffith Rebekah A.
Ottesen Walter
Warden Robert J.
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