An oxygen supply system for an aircraft includes a control valve, a reservoir bag, a respiration device and a sensor device, wherein the control valve is designed in such a way that oxygen can be supplied to the reservoir bag until a predetermined quantity of oxygen is adjusted in the reservoir bag.
An oxygen supply system for an aircraft includes a control valve, a reservoir bag, a respiration device and a sensor device, wherein the control valve is designed in such a way that oxygen can be supplied to the reservoir bag until a predetermined quantity of oxygen is adjusted in the reservoir bag. The respiration device may be designed in such a way that breathing gas can be provided for a passenger. The sensor device may be designed in such a way that an exhalation is detectable. The reservoir bag may be designed in such a way that a predetermined quantity of oxygen can be metered into the reservoir bag during the exhalation. The reservoir bag may be designed in such a way that breathing gas can be supplied to the respiration device in a pulse-like fashion. The oxygen supply system may include a first and a second operation mode.
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1. An oxygen supply system for an aircraft, wherein the said system comprises: a control valve;a reservoir bag;a respiration device; anda sensor device;wherein the control valve is configured such that oxygen is supplied to the reservoir bag until a predetermined quantity of oxygen is adjusted in th
1. An oxygen supply system for an aircraft, wherein the said system comprises: a control valve;a reservoir bag;a respiration device; anda sensor device;wherein the control valve is configured such that oxygen is supplied to the reservoir bag until a predetermined quantity of oxygen is adjusted in the reservoir bag;wherein the respiration device is configured such that breathing gas inside the reservoir bag is provided for a passenger;wherein the sensor device is configured such that an exhalation is detectable;wherein the reservoir bag is configured such that a predetermined quantity of oxygen is metered into the reservoir bag during the exhalation;wherein the reservoir bag is further configured such that breathing gas is supplied to the respiration device in a pulsed fashion responsive to the control valve;wherein the oxygen supply system is configured to operate in one of a first operation mode and a second operation mode;wherein the first operation mode is an on demand oxygen supply mode;wherein the second operation mode is a permanent oxygen supply mode; andwherein the system is configured to switch from the first operation mode to the second operation mode based on a first parameter determined either by a controller of the oxygen supply system or based on an output of at least one sensor and supplied to the controller of the oxygen supply system. 2. The oxygen supply system according to claim 1, wherein the oxygen supply system is configured to switch from the second operation mode to the first operation mode based on a second parameter determined by or supplied to a controller of the system. 3. The oxygen supply system according to claim 2, wherein at least one of the first parameter and the second parameter is an altitude of the aircraft. 4. The oxygen supply system according to claim 3, wherein the altitude is in a range of 25,000 ft to 45,000 ft. 5. The oxygen supply system according to claim 3, wherein the altitude is substantially 35,000 ft. 6. The oxygen supply system according to claim 2, wherein the oxygen supply system is switchable from the first operation mode to the second operation mode based on a third parameter determined by or supplied to the controller of the system, wherein the third parameter is selected from the group consisting of a temperature inside the mask, a temperature on the mask, a temperature of the breathing air of a passenger, a temperature inside the aircraft, a temperature outside the aircraft, a humidity, a differential pressure, an absolute pressure, a breathing gas composition, an amount of a carbonic acid gas, a pressure of the respiration system of the passenger, a breathing frequency, a chemical ingredient of a gas, an oxygen content, a carbon dioxide content, a chemical ingredient of a breathing gas, a chemical ingredient of a gas inside the mask, an altitude of the aircraft, a pressure inside the cabin of the aircraft, a chemical ingredient of a gas inside the aircraft and a chemical ingredient outside the aircraft. 7. The oxygen supply system according to claim 1, wherein the respiration device comprises an exhalation valve and a switch, wherein the switch is configured to be activated by the exhalation valve. 8. The oxygen supply system according to claim 1, wherein the oxygen supply system comprises a controller, wherein the controller is connected to the control valve. 9. The oxygen supply system of claim 1, wherein in the second operation mode, the oxygen is supplied at a constant flow. 10. A method for supplying a passenger with oxygen in an aircraft, wherein said method comprises: detecting an exhalation phase of a passenger;metering a predetermined quantity of oxygen to the breathing gas into a reservoir bag by a control valve during the exhalation phase of the passenger, andsupplying the breathing gas from the reservoir bag to a respiration device in a pulsed fashion responsive to the control valve,wherein operating in a first operation mode or in a second operation mode is determined by a selectable parameter;wherein the first operation mode is an on demand oxygen supply mode;wherein the second operation mode is a permanent oxygen supply mode; andwherein the system is configured to switch from the first operation mode to the second operation mode based on a first parameter determined either by a controller of the oxygen supply system or based on an output of at least one sensor and supplied to the controller of the oxygen supply system. 11. The method according to claim 10, further comprising determining an altitude. 12. The method according to claim 10, further comprising determining a pressure. 13. The method according to claim 10, further comprising controlling the control valve in dependence of the pre-selected first operation mode or of the pre-selected second operation mode. 14. The method according to claim 10, wherein the system is configured to switch from the second operation mode to the first operation mode based on a second parameter determined by or supplied to a controller of the system.
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이 특허에 인용된 특허 (6)
Stevenson George F. (Yeovil GB2) Cassidy Ronald F. (Yeovil GB2), Aircraft aircrew life support systems.
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