Patent ID: 11925823
Assignee: BE INTELLECTUAL PROPERTY, INC.
Field: Other consumer goods (Other fields)
Classification: CPC A  B  Y | IPC A  B

Claim 0:
1. An emergency oxygen supply system for an aircraft with a pressurizable passenger cabin comprising:
a first on-off inlet valve connected via a first conduit to a first source of supplemental breathable oxygen and not connected to a second source of supplemental breathable oxygen;
a second on-off inlet valve connected via a second conduit to the second source of supplemental breathable oxygen and not connected to the first source of supplemental breathable oxygen, the first conduit and second conduit are separate;
at least one first breathing device configured to receive supplemental breathable oxygen from the first source of supplemental breathable oxygen and not from the second source of supplemental breathable oxygen, and at least one second breathing device configured to receive supplemental breathable oxygen from the second source of supplemental breathable oxygen and not from the first source of supplemental breathable oxygen;
a first manifold connected between the first on-off inlet valve and the at least one first breathing device, and a second manifold connected between the second on-off inlet valve and the second at least one breathing device; and
a pressure controller that receives a cabin air pressure input signal and controls operation of the first and second on-off inlet valves by transmitting a single control signal to each of the first on-off inlet valve and the second on-off inlet valve based on the cabin air pressure input signal.