Patent ID: 8689790

Claim:
An oxygen supply system for delivering oxygen to a plurality of passengers in an aircraft in the event of a loss of cabin pressure, comprising: a source of oxygen for supplying a plurality of passengers; a corresponding plurality of reservoir bags for the plurality of passengers, respectively, each said plurality of reservoir bags being configured to accumulate a preselected volume of oxygen flowing from said source of oxygen during each respiratory cycle of the plurality of passengers, respectively; a corresponding plurality of face masks for the plurality of passengers, respectively, each of said plurality of face masks being configured to force a corresponding one of said plurality of passengers to inhale said preselected volume of oxygen prior to inhaling exclusively cabin air; and a corresponding plurality of inlet valves connected to said plurality of reservoir bags, respectively, each of said plurality of inlet valves being configured to prevent a flow of oxygen into a corresponding one of said plurality of reservoir bags during an inhalation phase of a corresponding one of the plurality of passengers.