Breathing gas supply system

Details Breathing gas supply system Breathing gas supply system

2007-08-14

2007-08-14

Yu, Justine R. (Department: 3771)

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

C128S204180, C244S118500

Reexamination Certificate

active

10800238

ABSTRACT:
A breathing gas supply system for supplying breathable gas in an aircraft includes an oxygen enriching apparatus which is operable in at least two modes to provide product gas with varying oxygen concentrations. A first feed line feeds more highly enriched product gas to one or more breathing gas outlets, and a second feed line feeds less highly enriched product gas e.g. to an aircraft cabin for breathing during normal high altitude flight. A control means controls oxygen enrichment apparatus to provide highly enriched product gas to the breathing gas outlet or outlets in the first mode of operation or less highly enriched product gas e.g. to the cabin for normal breathing, and controls a diverter valve. Which directs the product gas to the respective feed line.

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