A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 7/04 (2006.01) A62B 7/14 (2006.01) A62B 9/02 (2006.01)
Patent
CA 2657995
The invention relates to a breathing apparatus for providing a respiratory gas to a crewmember in a cabin of an aircraft, said breathable apparatus comprising an air inlet (5) for admission of ambient air in said breathing apparatus, an additional gas inlet (2) for admission of additional gas in said breathing apparatus, an outlet nozzle (4) for feeding said crew member with the respiratory gas comprising said ambient air and/or additional gas, said breathing apparatus further comprising neutralizing means (70, 141) for neutralizing at least partially the admission of said additional gas below a predefined cabin altitude (Z1).
L'invention concerne un appareil respiratoire destiné à approvisionner un gaz respiratoire à un membre d'équipage dans une cabine d'avion, ledit appareil respiratoire comprenant une entrée d'air (5) destinée à l'admission de l'air ambiant dans ledit appareil respiratoire, une entrée supplémentaire de gaz (2) destinée à l'admission d'un gaz supplémentaire dans ledit appareil respiratoire, un embout de sortie (4) pour alimenter ledit membre d'équipage avec le gaz respiratoire qui se compose dudit air ambiant et/ou d'un gaz supplémentaire, ledit appareil respiratoire comprenant en outre un moyen de neutralisation (70, 141) destiné à neutraliser au moins partiellement l'admission dudit gaz supplémentaire en dessous d'une altitude prédéfinie (Z1) de la cabine.
Bachelard Leopoldine
Gillotin Vincent
LandOfFree
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