B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 3/02 (2006.01)
Patent
CA 2330813
This invention is directed to a compact gas mixing apparatus for accurately mixing a plurality of gases. This apparatus comprises a gas panel, pressure control valves to regulate differential pressures, flow meters and a static mixing chamber. The plurality of gases may be a minor gas and a major gas, where, for example, the major gas is nitrogen, and the minor gas is air or oxygen. The major gas and said minor gas is preferably mixed in a proportion of from about 100 ppm to about 10,000 ppm minor gas in the major gas, more preferably in a proportion of from about 500 ppm to about 2,000 ppm minor gas in the major gas.
Praxair Technology Inc.
Sim & Mcburney
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