Device for the enrichment of respiratory air with oxygen
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United States of America Patent
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-
Jun 26, 1990
Grant Date -
N/A
app pub date -
May 19, 1989
filing date -
May 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for the enrichment of respiratory air with oxygen, includes a supply gas to be enriched which is supplied to at least one concentrator and from there to a product gas line in an adjustable concentration of enrichment. The required concentration of enrichment is adjusted speedily and without loss to the changing amount which is used, and as high a concentration of enrichment as possible at an adjustable and low throughput of the concentrator is achieved by use of a partial flow of the supply gas through a throughput-adjustable bypass line. The bypass line bypasses the product gas line and at least one concentrator.
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