A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 7/14 (2006.01)
Patent
CA 2648974
The invention relates to a system to deliver a respiratory gas to crew members in a cabin of an aircraft, said system comprising at least one respiratory mask, an ambient air inlet for admission of ambient air into said respiratory mask, a source of additional gas, supply lines to transport said additional gas to said one respiratory mask, mixing means provided on said supply lines to mix said additional gas with ambient air to supply a respiratory gas corresponding to a mixture of said additional gas and said ambient air to said one respiratory mask, regulation means to regulate the additional gas content of said respiratory gas at least partly as a function of the aircraft altitude.
L'invention concerne un système de distribution de gaz respiratoire aux membres de l'équipage d'une cabine d'aéronef. Ce système comprend au moins un masque respiratoire, une entrée d'air ambiant pour la pénétration de l'air ambiant dans le masque respiratoire, une source de gaz additionnel, des conduits d'alimentation pour transporter le gaz additionnel vers le masque respiratoire, un élément mélangeur disposé sur les conduits d'alimentation pour mélanger le gaz additionnel à l'air ambiant, afin de fournir un gaz respiratoire correspondant à un mélange du gaz additionnel et de l'air ambiant au masque respiratoire, un élément régulateur pour réguler la teneur en gaz additionnel du gaz respiratoire, au moins partiellement en fonction de l'altitude de l'aéronef.
Aubonnet Severine
Marotte Henri
Intertechnique
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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