Oxygen supplying circuit for an aicraft crew member

Details Oxygen supplying circuit for an aicraft crew member Oxygen supplying circuit for an aicraft crew member

A - Human Necessities

62

B

A62B 7/14 (2006.01) A62B 9/02 (2006.01) B64D 13/04 (2006.01)

Patent

CA 2629947

The invention relates to a breathing apparatus for an aircraft crew member, said apparatus comprising at least one breathing mask (620) provided with a demand regulator (810), said demand regulator being linked through a feedline to a central source of oxygen enriched air (600), so that oxygen enriched air is supplied to said breathing mask, and pressure regulating means (601,602,603, 604) provided on said feedline between said central source and said demand regulator and adapted,to level the pressure fluctuations of said oxygen enriched air supplied to said breathing mask.

Appareil respiratoire pour un membre de l~équipage d~un aéronef, comprenant au moins un masque respiratoire (620) comportant un régulateur à la demande (810) raccordé par un conduit d~alimentation à une source centralisée d~air enrichi en oxygène (600), de façon à alimenter le masque respiratoire en air enrichi en oxygène ; et des moyens régulateurs (601, 602, 603, 604) montés dans le conduit d~alimentation entre la source centralisée et le régulateur à la demande et conçus pour uniformiser la pression de l~air enrichi en oxygène alimentant le masque respiratoire.

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