Process and apparatus for supplying a gaseous mixture

Details Process and apparatus for supplying a gaseous mixture Process and apparatus for supplying a gaseous mixture

2005-01-11

2005-01-11

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

C043S125000, C137S896000

Reexamination Certificate

active

06840256

ABSTRACT:
A method and apparatus for generating a non-flammable gaseous mixture from a first flammable gas and a second gas in which said first gas is flammable. Air may be extracted from the atmosphere or storage container to be treated. The air is circulated in a conduit (22) via blower (14). A flammable gas is injected (12) into the conduit where it is rapidly diluted to a level below its flammability limit. The method is suitable for unattended automatic treatment over an extended period of time, or a so-called “one shot/quick dump” fumigation where concentrations and flow rates are much higher and the process is under manual supervision.

REFERENCES:
patent: 4889708 (1989-12-01), Latif et al.
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patent: 5353829 (1994-10-01), Shiban
patent: 5523063 (1996-06-01), Anderson
patent: 5662722 (1997-09-01), Shiban
patent: 5756046 (1998-05-01), Winks et al.
patent: 6047497 (2000-04-01), Smithyman et al.
patent: A-4456999 (1999-08-01), None

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