On-Demand Oxygen Dispensing System for Aircraft Passengers

An oxygen dispensing system for passenger(s) of an aircraft, comprising an oxygen dispensing unit, with a dispensing valve supplied by an oxygen source, a tube assembly comprising a tube and an optical fiber, a breathing mask, wherein the tube establishes a fluid connection between the oxygen dispensing unit and the mask, a sensory device arranged at the breathing mask, connected to the oxygen dispensing unit via the optical fiber, wherein the sensory device senses, at the breathing mask, variations of parameter(s) influenced by the breathing of a passenger using the mask, and transmit, via the optical fiber, corresponding breath signal(s) to the oxygen dispensing unit which is configured to deliver, upon said breath signal, a controlled quantity of oxygen in the tube.

Available via Google Patents: https://patents.google.com/patent/US20190152610A1/