IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0229870
(2005-09-19)
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등록번호 |
US-7481214
(2009-01-27)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
13 인용 특허 :
8 |
초록
▼
An aircraft cabin air treatment system configured in accordance with the invention utilizes oxygen enriched air, which is produced as a byproduct of an onboard inert gas generation system. The oxygen enriched air is released into an environment under ambient pressure conditions, i.e., at a relativel
An aircraft cabin air treatment system configured in accordance with the invention utilizes oxygen enriched air, which is produced as a byproduct of an onboard inert gas generation system. The oxygen enriched air is released into an environment under ambient pressure conditions, i.e., at a relatively low absolute pressure compared to the cabin pressure. The low pressure oxygen enriched air is compressed with a cabin air compressor, and the outside air is routed back into the cabin. The cabin air compressor functions to generate oxygen enriched outside air and to maintain the desired pressurization of the cabin.
대표청구항
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What is claimed is: 1. A method for processing cabin air of an aircraft having a cabin, said method comprising: obtaining used cabin air at a relatively high absolute pressure at an input of an onboard inert gas generation system ("OBIGGS") generating, with said OBIGGS, oxygen enriched air; providi
What is claimed is: 1. A method for processing cabin air of an aircraft having a cabin, said method comprising: obtaining used cabin air at a relatively high absolute pressure at an input of an onboard inert gas generation system ("OBIGGS") generating, with said OBIGGS, oxygen enriched air; providing, at a relatively low absolute pressure, said oxygen enriched air to an intake of a cabin air compressor; and generating, with said cabin air compressor, outside air at a relatively high absolute pressure, said outside air including said oxygen enriched air. 2. A method according to claim 1, wherein: said used cabin air is obtained from the cabin of the aircraft; and said method further comprises routing said outside air into the cabin. 3. A method according to claim 1, wherein providing said oxygen enriched air comprises routing said oxygen enriched air to a location proximate said intake, said location being exposed to ambient pressure conditions. 4. A method according to claim 1, further comprising: generating, with said OBIGGS, nitrogen enriched air; and routing said nitrogen enriched air to a fuel tank of the aircraft. 5. A method according to claim 1, further comprising: generating additional oxygen enriched air with an onboard oxygen generation system ("OBOGS"); and routing said additional oxygen enriched air into the cabin. 6. A method according to claim 1, wherein generating outside air comprises: receiving said oxygen enriched air at said intake; receiving ambient air at said intake; and compressing, with said cabin air compressor, a mixture of said oxygen enriched air and said ambient air. 7. A method for processing cabin air of an aircraft having a cabin, said method comprising: treating used cabin air with an onboard inert gas generation system ("OBIGGS") to generate oxygen enriched air; routing said oxygen enriched air to a cabin air compressor; and compressing, with said cabin air compressor, at least said oxygen enriched air to generate outside air. 8. A method according to claim 7, further comprising: said OBIGGS obtaining said used cabin air at a relatively high absolute pressure; said cabin air compressor receiving said oxygen enriched air at a relatively low absolute pressure; and said cabin air compressor generating said outside air at a relatively high absolute pressure. 9. A method according to claim 7, further comprising routing said outside air into the cabin. 10. A method according to claim 7, wherein routing said oxygen enriched air comprises delivering said oxygen enriched air to a location proximate an intake of said cabin air compressor, said location being exposed to ambient pressure conditions. 11. A method according to claim 10, further comprising: receiving said oxygen enriched air at said intake; receiving ambient air at said intake; and compressing, with said cabin air compressor, a mixture of said oxygen enriched air and said ambient air. 12. A method according to claim 7, further comprising: generating, with said OBIGGS, nitrogen enriched air; and routing said nitrogen enriched air to a fuel tank of the aircraft. 13. A method according to claim 7, further comprising: generating additional oxygen enriched air with an onboard oxygen generation system ("OBOGS"); and routing said additional oxygen enriched air into the cabin. 14. A system for processing cabin air of an aircraft having a cabin, said system comprising: an onboard inert gas generation system ("OBIGGS") configured to generate oxygen enriched air from used cabin air; a cabin air compressor configured to compress at least said oxygen enriched air to generate outside air; means for routing said oxygen enriched air to said cabin air compressor; and means for delivering said outside air to the cabin. 15. A system according to claim 14, wherein: said OBIGGS obtains said used cabin air at a relatively high absolute pressure; said cabin air compressor receives said oxygen enriched air at a relatively low absolute pressure; and said cabin air compressor is configured to generate said outside air at a relatively high absolute pressure. 16. A system according to claim 14, wherein: said cabin air compressor comprises an intake; and said means for routing delivers said oxygen enriched air to a location proximate said intake, said location being exposed to ambient pressure conditions. 17. A system according to claim 14, said cabin air compressor being configured to compress a mixture of said oxygen enriched air and ambient air to generate said outside air. 18. A system according to claim 14, further comprising a fuel tank for the aircraft, wherein said OBIGGS is configured to generate nitrogen enriched air for said fuel tank. 19. A system according to claim 14, further comprising an onboard oxygen generation system ("OBOGS") configured to generate additional oxygen enriched air for the cabin. 20. The method of claim 1, wherein said OBIGGS comprises a membrane for generating said oxygen enriched air.
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