Inventors:
Richard E. Layng - Canton Township MI
Linda Deschere - Farmington Hills MI
Gunther J. Evanina - Southfield MI
Purnachandra G. Pai - Birmingham MI
Assignee:
Michigan Consolidated Gas Company - Detroit MI
International Classification:
B01L 500
Abstract:
Accordingly, the present invention is an apparatus for mixing gas and air to obtain a plurality of predetermined gas-air concentrations including means for supplying gas from a constant pressure gas source. A conduit has a first end connected to the supplying means and a second end connected to a means for diffusing air with the gas to obtain a predetermined gas-air concentration.