DOSED OXYGEN SYSTEMS WITH DELIVERY TUBE ANTI-BLOCKAGE FEATURES AND A METHOD FOR DELIVERING RESPIRATORY GAS

DOSED OXYGEN SYSTEMS WITH DELIVERY TUBE ANTI-BLOCKAGE FEATURES AND A METHOD FOR DELIVERING RESPIRATORY GAS

Oxygen-delivery systems (10B) are described. The systems (10B) may supply emergency respiratory gas on demand to aircraft passengers. To reduce risk of blockage of tubes delivering anti-blocking gas to the face masks worn by the passengers, the systems may be designed to provide a continuous trickle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WALKER, Stuart David Dixon, GRETER, Vincent Gérard
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Beschreibung
Zusammenfassung:Oxygen-delivery systems (10B) are described. The systems (10B) may supply emergency respiratory gas on demand to aircraft passengers. To reduce risk of blockage of tubes delivering anti-blocking gas to the face masks worn by the passengers, the systems may be designed to provide a continuous trickle flow of respiratory gas, or one or more anti-blocking pulses of gas, into a delivery tube (34, 42).