[특허]Cooling system for an on-board inert gas generating system

Shaw Aero Devices, INC

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Cooling system for an on-board inert gas generating system

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25J-003/00
미국특허분류(USC)	062/655; 244/118.5; 095/045; 095/054; 095/014; 062/401
출원번호	US-0794279 (2004-03-05)
발명자 / 주소	Jones,Philip E.
출원인 / 주소	Shaw Aero Devices, INC
대리인 / 주소	Morgan, Lewis &
인용정보	피인용 횟수 : 23 인용 특허 : 8

초록

The inert gas generating system includes a compressed air source, a cooling air source, and a separation module. The separation module includes first and second inlets and outlets. The first inlet is coupled to the compressed air source. The first outlet is coupled to the first inlet via a bundle of hollow fiber membranes. The second inlet is coupled to the cooling air source, and the second outlet is coupled to the second inlet via a space surrounding the bundle of hollow fiber membranes.

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I claim: 1. An inert gas generating system comprising: a compressed air source that provides compressed air at an elevated temperature; a cooling air source; a separation module; a valve coupled between said cooling air source and said separation module; and a temperature sensor coupled to said valve and configured to control said valve to regulate flow of cooling air from said cooling air source to said separation module, the separation module further comprising: a housing; a first inlet in said housing, where said first inlet is fluidly coupled to said compressed air source; a first outlet in said housing for expelling inert gas enriched air, where said first outlet is fluidly coupled to said first inlet; a second inlet in said housing, where said second inlet is fluidly coupled to said cooling air source; and a second outlet in said housing, where said second outlet is fluidly coupled to said second inlet; wherein said inert gas generating system is configured to allow the compressed air at the elevated temperature to enter said separation module. 2. The inert gas generating system of claim 1, wherein said first inlet is coupled to said first outlet via multiple hollow fiber membranes. 3. The inert gas generating system of claim 2, wherein said separation module further comprises an on-board filter positioned between said first inlet and said multiple hollow fiber membranes. 4. The inert gas generating system of claim 2, wherein said hollow fiber membranes are high temperature hollow fiber membranes. 5. The inert gas generating system of claim 2, wherein said multiple hollow fiber membranes extend at least partially through said housing. 6. The inert gas generating system of claim 2, wherein said second inlet is fluidly coupled to said second outlet through a space surrounding said multiple hollow fiber membranes. 7. The inert gas generating system of claim 2, wherein said second inlet is fluidly coupled to said second outlet through a space formed between said housing and said multiple hollow fiber membranes. 8. The inert gas generating system of claim 7, further comprising a filter positioned between said second inlet and said space. 9. The inert gas generating system of claim 1, further comprising a filter positioned between said compressed air source and said first inlet. 10. The inert gas generating system of claim 1, wherein said temperature sensor is coupled between said cooling air source and said second inlet, wherein said temperature sensor is configured to control said valve based on a temperature of said cooling air. 11. The inert gas generating system of claim 1, wherein said cooling air source is a scoop. 12. The inert gas generating system of claim 1, wherein said compressed air source is bleed air. 13. The inert gas generating system of claim 1, further comprising an ejector coupled to said second outlet for expelling warmed cooling air from said separation module. 14. An inert gas generating system comprising: a compressed air source that provides compressed air at an elevated temperature; a cooling air source; a separation module; a valve coupled between said cooling air source and said separation module; and a temperature sensor coupled to said valve and configured to control said valve to regulate flow of cooling air from said cooling air source to said separation module, the separation module having: a first inlet directly fluidly coupled to said compressed air source; a first outlet fluidly coupled to said first inlet via multiple hollow fiber membranes; a second inlet fluidly coupled to said cooling air source; and a second outlet fluidly coupled to said second inlet via a space surrounding said hollow fiber membranes, wherein said inert gas generating system is configured to allow the compressed air at the elevated temperature to enter said separation module. 15. The inert gas generating system of claim 14, wherein said compressed air source is bleed air. 16. The inert gas generating system of claim 14, further comprising an ejector coupled to said second outlet for expelling warmed cooling air from said separation module. 17. The inert gas generating system of claim 14, wherein said hollow fiber membranes are high temperature hollow fiber membranes. 18. An inert gas generating system comprising: a compressed air source that provides compressed air at an elevated temperature; a cooling air source; a separation module; a valve coupled between said cooling air source and said separation module; and a temperature sensor coupled to said valve and configured to control said valve to regulate flow of cooling air from said cooling air source to said separation module, the separation module further comprising: a housing; at least one hollow fiber membrane disposed at least partially within said housing; a first inlet in said housing, where said first inlet is fluidly coupled to said compressed air source; a first outlet in said housing, where said first outlet is fluidly coupled to said first inlet via said at least one hollow fiber membrane; a second inlet in said housing, where said second inlet is fluidly coupled to said cooling air source; and a second outlet in said housing, where said second outlet is fluidly coupled to said second inlet via a space surrounding said at least one hollow fiber membrane, wherein said inert gas generating system is configured to allow the compressed air at the elevated temperature to enter said separation module. 19. The inert gas generating system of claim 18, wherein said compressed air source is bleed air. 20. The inert gas generating system of claim 18, further comprising an ejector coupled to said second outlet for expelling warmed cooling air from said separation module. 21. The inert gas generating system of claim 18, wherein said at least one hollow fiber membrane is a high temperature hollow fiber membrane. 22. An inert gas generating system comprising: a separation module comprising: a housing; a first inlet in said housing, wherein said first inlet is configured to be directly fluidly coupled to a compressed air source that provides compressed air at an elevated temperature; a first outlet in said housing configured to expel inert gas enriched air; at least one hollow fiber membrane extending at least partially through said housing and fluidly coupling said first inlet to said first outlet; a second inlet in said housing, wherein said second inlet is configured to be fluidly coupled to a cooling air source; and a second outlet in said housing, where said second outlet is fluidly coupled to said second inlet through a space surrounding each of said hollow fiber membranes, wherein said inert gas generating system is configured to allow the compressed air at the elevated temperature to enter said separation module; a valve coupled between said cooling air source and said separation module; and a temperature sensor coupled to said valve and configured to control said valve to regulate flow of cooling air from said cooling air source to said separation module. 23. The inert gas generating system of claim 22, wherein said compressed air source is bleed air. 24. The inert gas generating system of claim 22, further comprising an ejector coupled to said second outlet for expelling warmed cooling air from said separation module. 25. The inert gas generating system of claim 22, wherein said hollow fiber membranes are a high temperature hollow fiber membranes. 26. A method for generating inert gas comprising: compressing air into compressed air at an elevated temperature; introducing said compressed air at the elevated temperature into multiple hollow fiber membranes; separating said compressed air into Nitrogen Enriched Air (NEA) within said hollow fiber membranes and Oxygen Enriched Air (OEA) in a space surrounding said multiple hollow fiber membranes; injecting cooling air into said space to cool said NEA within said hollow fiber membranes into cooled NEA; expelling said cooled NEA from said hollow fiber membranes; measuring an air temperature; and regulating flow of said cooling air injected into said space based on said air temperature. 27. The method of claim 26, wherein said compressing comprises compressing ambient air using a compressor of an aircraft engine. 28. The method of claim 26, further comprising, prior to said introducing, filtering said compressed air. 29. The method of claim 26, further comprising, prior to said injecting, filtering said cooling air. 30. The method of claim 26, further comprising storing said NEA. 31. The method of claim 26, further comprising introducing said NEA into an aircraft fuel tank. 32. The inert gas generating system of claim 1, wherein said housing includes a tubular side wall and first and second end walls, wherein said first inlet and first outlet are disposed in a respective one of said first and second end walls and said second inlet and second outlet are disposed in said tubular side wall. 33. The inert gas generating system of claim 18, wherein said housing includes a tubular side wall and first and second end walls, wherein said first inlet and first outlet are disposed in a respective one of said first and second end walls and said second inlet and second outlet are disposed in said tubular side wall. 34. The inert gas generating system of claim 22, wherein said housing includes a tubular side wall and first and second end walls, wherein said first inlet and first outlet are disposed in a respective one of said first and second end walls and said second inlet and second outlet are disposed in said tubular side wall. 35. An inert gas generating system comprising: a compressed air source; a cooling air source; a separation module comprising: a housing; a first inlet in said housing, where said first inlet is fluidly coupled to said compressed air source; a first outlet in said housing for expelling inert gas enriched air, where said first outlet is fluidly coupled to said first inlet; a second inlet in said housing, where said second inlet is fluidly coupled to said cooling air source; and a second outlet in said housing, where said second outlet is fluidly coupled to said second inlet; a valve coupled between said cooling air source and said second inlet; and a temperature sensor also coupled between said cooling air source and said second inlet, where said temperature sensor is configured to control said valve based on a temperature of said cooling air.

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Cooling system for an on-board inert gas generating system

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Cooling system for an on-board inert gas generating system

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이 특허에 인용된 특허 (8)

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