[특허]Gas generating system and method for inerting aircraft fuel tanks

[미국특허] Gas generating system and method for inerting aircraft fuel tanks 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/02
출원번호	US-0422839 (2006-06-07)
등록번호	US-7306644 (2007-12-11)
발명자 / 주소	Leigh,James E. Fellague,Kader A. Isella,Giorgio C. Roach,Paul J.
출원인 / 주소	Honeywell International, Inc.
인용정보	피인용 횟수 : 15 인용 특허 : 61

초록 ▼

The present invention provides a system and method for generation of nitrogen enriched air for inerting aircraft fuels tanks. One embodiment of the present invention includes a duct assembly; a primary heat exchanger; a gas generating system heat exchanger; a first temperature sensor; a second temperature sensor; a controller monitor; a valve; an air separation module assembly having a primary module and a secondary module; at least one flow control orifice; and a pressure sensor. The present invention utilizes a minimal complement of components and streamlined processes, thus minimizing structural and operational costs while optimizing performance and safety features.

대표청구항 ▼

The invention claimed is: 1. A gas generating system for an aircraft comprising: a duct assembly having: a first conduit for ram air; a first heat exchanger for receiving an air stream of pressurized air and cooling the air stream, the first heat exchanger located within the first conduit and optimized for cooling the pressurized air with ram air; a second conduit for cooling air; a second heat exchanger located within the second conduit for receiving the air stream of pressurized air and cooling the air stream with a selectively induced cooling air flow when ram air is not available; a temperature sensor for determining temperature of the air stream and generating a temperature value corresponding to the temperature, the temperature sensor mechanically associated with the duct assembly; a controller monitor for receiving a temperature value, and generating a corresponding command signal; a control device for receiving and responding to the command signal, the control device selected from the group consisting of a pressure regulating and shutoff valve, check valve, a flow shutoff valve, an ejector shutoff valve, a thermal shutoff valve, an ASM shutoff valve, a fan, and an isolation valve; an air separation module (ASM) assembly for receiving the air stream from the duct assembly; separating nitrogen enriched air (NEA) from the air stream; and providing the NEA to the duct assembly, the ASM assembly located downstream from the temperature sensor; a flow control orifice for controlling receiving and regulating NEA flow from the ASM assembly via the duct assembly, the flow control orifice associated with a portion of the duct assembly located downstream from the ASM assembly; and an NEA check valve for preventing entry of contaminants into the ASM assembly, the NEA check valve located downstream from the flow control orifice. 2. The system of claim 1, further comprising an ozone separator positioned to receive the air stream and separate ozone from the air stream. 3. Apparatus for providing nitrogen enriched air to an aircraft fuel tank which comprises: a first conduit for conveying bleed air from an engine of the aircraft through at least one air separation module (ASM); a second conduit for conveying ram air across a heat exchanger, which heat exchanger cools the bleed air conveyed in the first conduit; an ozone separator positioned in the first conduit: a temperature sensor positioned in the first conduit downstream from the ozone separator; the temperature sensor being interconnected with a flow control device controlling flow of ram air through the heat exchanger responsively to temperature change of the bleed air produced within the ozone separator; and an air separation module (ASM) assembly for separating nitrogen enriched air (NEA) from the bleed air, the ASM assembly located downstream from the temperature sensor. 4. The apparatus of claim 3 further comprising: a catalytic hydrocarbon separator positioned upstream from the temperature sensor; wherein the ozone separator is a catalytic ozone separator; and wherein the temperature sensor is responsive to heat produced by the catalytic ozone separator and the catalytic hydrocarbon separator. 5. A method for generating nitrogen enriched air from a bleed air stream of an aircraft, the method comprising the steps of: ducting the bleed air stream via a duct assembly having: a bleed-air stream inlet; a ram air inlet; an inlet for selectively induced cooling air; receiving the bleed air stream into the duct assembly; cooling the bleed air stream with ram air flowing through the ram air inlet during normal flight of the aircraft; cooling the bleed air stream with cooling air flowing through the inlet for selectively induced cooling air during ground operation of the aircraft; providing a cooled bleed air stream to the duct assembly; determining temperature in the duct assembly and generating a temperature value corresponding to the temperature via a temperature sensor the temperature sensor mechanically associated with the duct assembly; receiving a temperature value, and generating a corresponding command signal via a controller monitor; receiving and responding to the command signal via a valve, the valve selected from a group essentially comprising a pressure regulating and shutoff valve, check valve, a flow shutoff valve, an ejector shutoff valve, a thermal shutoff valve, an ASM shutoff valve, and an isolation valve; receiving the air stream from the duct assembly, separating nitrogen enriched air (NEA) from the air stream, and providing the NEA to the duct assembly via an air separation module (ASM) assembly having a primary module and a secondary module, the ASM assembly located downstream from the temperature sensor; controlling NEA flow through the duct assembly from the ASM assembly to the conduit exit via a flow control orifice, the flow control orifice associated with a portion of the duct assembly located downstream from the ASM assembly; and preventing the entry of contaminants into the duct assembly from the conduit exit. 6. The method of claim 5, further comprising a step of catalytically removing hydrocarbons and ozone from the bleed air stream.

이 특허에 인용된 특허 (61) 인용/피인용 타임라인 분석

Manatt Scott A. (Granada Hills CA), Air oxygen and nitrogen concentration device.
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Victor P. Crome ; Alan J. Yoder, Air separation module using a fast start valve for fast warm up of a permeable membrane air separation module.
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Mitani, Hisashi, Aircraft environment controller.
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Norman P. Martinov, Aircraft fuel tank explosion reduction safety method.
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Verini Nicholas A. (404 Lone Eagle Point Lafayette CO 80026), Apparatus and method to intermittently manufacture and dispense nitrogen.
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Verini Nicholas A. (404 Lone Eagle Point Lafayette CO 80026), Apparatus and method to intermittently manufacture and dispense nitrogen gas.
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Krishnamurthy Ramachandran (Piscataway NJ) Andrecovich Mark J. (Somerville NJ), Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery.
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Runnels, Joe N.; Fagerlund, Kenneth R., Combustibly inert air supply system and method.
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Moravec,Bradford L.; Boggs,Royal E.; Graham,Rodney N.; Grim,Alan; Adkins,David A.; Snow, Jr.,Donald; Haack,Greg A., Commercial aircraft on-board inerting system.
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Bennett Joseph Michael, Compact affordable inert gas fire extinguishing system.
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Vershure ; Jr. Roy W. (Escondido CA), Dual function gas generation system for on board installation on turbine powered aircraft.
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Barbe Christian (Fontenay aux Roses FRX), Fast response high purity membrane nitrogen generator.
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Cramer Frank B., Fire safety system.
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Cramer Frank B., Fire safety system.
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Nicolas ; Jr. Patrick S. (Needham MA) Bikson Benjamin (Brookline MA) Giglia Salvatore (Norwood MA) Thompson David R. (Grand Island NY), Fluid separation assembly having an purge control valve.
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Bergman Jacob, Fuel ignition arrester system and method.
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Ginsburgh Irwin ; Tichenor Clyde LeRoy ; Metcalf Darrell Jay, Fuel safety management system for storing, transporting, or transferring hydrocarbon fuel.
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Childress James J. (Federal Way WA) Holtrop John (Ridgecrest CA), Fuel tank having ballistic protection bladder.
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Manatt, Scott A., Fuel tank inerting system.
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Cassidy Ronald F. (Waterlooville GBX), Gas supply systems.
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Raymond Francis Drnevich ; M. Mushtaq Ahmed, Gas turbine power augmentation by the addition of nitrogen and moisture to the fuel gas.
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Terence Lee Koethe, Inert loading jet fuel.
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Barbe Christian (Fontenay Aux Roses FRX) Brugerolle Jean-Renaud (Paris FRX), Membrane gas generator in association with bulk storage for increased flexibility and productivity.
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Barbe Christian (Fontenay aux Roses FRX) Brugerolle Jean-Renaud (Paris FRX), Membrane nitrogen gas generator with improved flexibility.
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Barry Lionel (Versailles FRX), Process and installation for supplying nitrogen with the aid of semi-permeable membranes using a variable membrane geome.
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Barbe Christian (Fontenay-Aux-Roses FRX), Process for supplying nitrogen by means of semi-permeable membranes or of separators of gases by adsorption.
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Vigliotta, Michael, Inerting fuel systems, methods, and apparatuses.
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Eowsakul, Khem Vanwijak; Hurst, James P.; Millot, Christina W., Nitrogen gas system with diverter valve.
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Kshirsagar, Girish S.; Degenhardt, Detlev; Sherif, Ashraf, On-board generation of oxygen for aircraft passengers.
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Kshirsagar, Girish S.; Degenhardt, Detlev; Sherif, Ashraf, On-board generation of oxygen for aircraft pilots.
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Ranjan, Rajiv; Dardas, Zissis A., Temperature controlled nitrogen generation system.
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Bizzarro, Peter, Valve defining modulated and unmodulated flow paths.
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[미국특허] Gas generating system and method for inerting aircraft fuel tanks 원문보기

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[미국특허] Gas generating system and method for inerting aircraft fuel tanks 원문보기

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