A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 7/14 (2006.01)
Patent
CA 2461008
A life-support system for an aircraft (B) includes a first oxygen supply apparatus (A) operable to provide a limited supply of first product gas being one of pure oxygen and oxygen enriched gas, to a breathing gas supply apparatus (12, 13, 14), and a second oxygen enriched gas, to a breathing gas supply apparatus (12, 13, 14), and a second oxygen supply apparatus (B) operable to supply a durable supply of second product gas which is an oxygen enriched gas containing a lower concentration of oxygen than that in the first product gas, to the breathing gas supply apparatus (12, 13, 14), wherein the second product gas is supplied as the pressure which is higher than that at which the first product gas is supplied to the breathing gas supply apparatus (12, 13, 14).
L'invention concerne un système de survie destiné à un aéronef (B) comprenant un premier appareil d'apport d'oxygène (A) capable de produire un apport limité d'un premier produit gazeux étant soit un oxygène pur, soit un gaz enrichi en oxygène, vers un appareil d'apport de gaz respiratoire (12, 13, 14), et un second appareil d'apport d'oxygène (B) capable de fournir un apport durable d'un second produit gazeux qui consiste en un gaz enrichi en oxygène contenant une concentration d'oxygène inférieure à celle du premier produit gazeux vers l'appareil de gaz respiratoire (12, 13, 14), le second produit gazeux étant alimenté lorsque la pression supérieure à celle du premier produit gazeux est alimentée dans l'appareil d'apport de gaz respiratoire (12, 13, 14).
Borden Ladner Gervais Llp
Honeywell Normalair-Garrett (holdings) Limited
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