Fluid handling – Systems – Multiple inlet with single outlet
Patent
1998-01-09
1999-11-30
Ferensic, Denise L.
Fluid handling
Systems
Multiple inlet with single outlet
137897, 137888, 137892, F16K 500
Patent
active
059924640
ABSTRACT:
The pre-compression nitrox in-line blender of the present invention has, at an upstream end, an oxygen diffuser for diffusing into an annular cavity of the diffuser oxygen supplied into an innermost cavity from a selectively adjustable pressure regulator regulating a high pressure oxygen reservoir. The annular cavity of the oxygen diffuser communicates, by an air intake aperture in the diffuser, with ambient atmospheric air, whereby a low relative air pressure within the annular cavity draws the ambient atmospheric air through the air intake into the annular cavity. A downstream end of the annular cavity is mounted or mountable to, so as to communicate in unimpeded gaseous communication with, an upstream end of an in-line turbulent mixer. The turbulent mixer is mounted within a sealed conduit, which may be wholly or partly flexible along its length, for generally homogeneous mixing of the oxygen and the ambient atmospheric air so as to form homogeneous nitrox gas as the oxygen and the ambient atmospheric air pass through the turbulent mixer along the sealed gas conduit. A downstream end of the sealed gas conduit is mounted or mountable to, so as to communicate in unimpeded gaseous communication with, a compressor. An oxygen level monitor is mounted or mountable to the sealed gas conduit for sensing and reading out the oxygen level of the nitrox gas within the sealed gas conduit as the nitrox gas flows along the sealed gas conduit under the influence of reduced gas pressure within the sealed gas conduit and oxygen diffuser due to gas intake by the compressor.
REFERENCES:
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patent: 5611845 (1997-03-01), Delp, II
Edwards Antony C.
Ferensic Denise L.
Kim Joanne Y.
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