[특허]Environment control unit for turbine engine

[미국특허] Environment control unit for turbine engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28B-009/00
출원번호	US-0412137 (1999-10-05)
발명자 / 주소	Williams Samuel B. Jones John F. Thompson Jr. Robert S.
대리인 / 주소	Lyon P.C.
인용정보	피인용 횟수 : 43 인용 특허 : 6

초록 ▼

An environmental control unit to supply cool dry air to an aircraft cabin has a plurality of bleed air sources from an aircraft engine compressor supplying working fluid to an air cycle cooling circuit. An electronic control computer having a plurality of inputs and selects a bleed air source depending upon cabin cooling and pressurization requirements. A speed control valve responsive to an output from the control computer, modulates the flow of working fluid through a turbo-alternator, thereby synchronizing the frequency of electrical power produced by the turbo-alternator with that of an aircraft engine alternator. The turbo-alternator supplies additional electrical power to the aircraft, thereby minimizing the deleterious effect of warm air bled from the engine compressor on aircraft performance.

대표청구항 ▼

[ We claim:] [1.] An environmental control unit for an aircraft having a control computer having a plurality of inputs and outputs, a cabin, and a turbine engine having a compressor, a bypass duct, an engine nacelle, and an alternator comprising:a plurality of bleed air lines in fluid communication with said compressor for supplying pressurized working fluid to said environmental control unit;a bleed air selector valve responsive to an output from said control computer in fluid communication with said plurality of bleed air lines for selecting a one of said bleed air lines as a source of working fluid;a pressure regulator in fluid communication with said bleed air selector valve for limiting the pressure of the working fluid;a selector valve responsive to an output from said control computer having an inlet in fluid communication with said pressure regulator, a first outlet in fluid communication with said aircraft cabin via a full bleed line to supply working fluid thereto in the event of a catastrophic failure of said environmental control unit, and a second outlet;an air cycle cooling circuit for supplying cool dry air to said aircraft cabin comprising:a bypass duct heat exchanger disposed in the bypass duct of said turbine engine, in fluid communication with the second outlet of said selector valve for cooling the working fluid;a nacelle heat exchanger in fluid communication with said bypass duct heat exchanger having a ram air inlet and outlet for allowing flow of a cooling fluid therein, and an outlet for the working fluid;a fan responsive to an output from said control computer disposed in fluid communication with said nacelle heat exchanger for enhancing the flow of cooling fluid therein;a speed control valve responsive to an output from said control computer having an inlet in fluid communication with the outlet of said nacelle heat exchanger and an outlet for varying the flow of working fluid therethrough;a turbo-alternator having an inlet in fluid communication with the outlet of said speed control valve, a turbine driven by the working fluid, a high speed alternator driven by the turbine to produce alternating current power for said aircraft, and an outlet;a water separator having an inlet connected to the outlet of said turbo-alternator for separating water from the working fluid, and an outlet therefor; anda mixer for mixing cooled working fluid with compressor bleed air having a first inlet in fluid communication with the outlet of said water separator, a second inlet for compressor bleed air, and an outlet;a temperature control valve responsive to an output from said control computer having an inlet in fluid communication with the second outlet of said selector valve and an outlet in fluid communication with the inlet of said mixer for varying the flow of uncooled compressor bleed air into said mixer;a mechanical check valve having an inlet in fluid communication with the outlet of said mixer and an outlet in fluid communication with the cabin of said aircraft to prevent fluid flow from the cabin into said mixer;a pressure control valve responsive to an output from said control computer having an inlet in fluid communication with said cabin and an outlet that exhausts to atmosphere for controlling the pressure in said cabin; anda differential pressure valve having an inlet in fluid communication with said cabin and an outlet that exhausts to atmosphere, for limiting the maximum pressurization of said aircraft cabin.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Scherer Thomas,DEX ; Buchholz Uwe,DEX, Air-conditioning system for an aircraft cabin.
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Coleman Andrew D.,GBX ; Smith Stephen J. R.,GBX, Environmental control system.
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Warner John L. (Simsbury CT), Environmental control system condensing cycle.
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Christians Douglas L. ; Drew Diane G. ; Harris Mark L. ; Kline Erin G. ; Zager Michael, Integrated environmental control system.
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Warner John L. (Simsbury CT), Multi-zone temperature control in air cycle refrigeration systems.
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Niggeman Richard E., Multiple mode environmental control system for pressurized aircraft cabin.
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이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

Axe, Richard James; Hunt, Richard Grant, Air conditioning system and method of testing.
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Sauterleute, Alfred; Schlagenhaft, Engelbert, Air conditioning system for airplanes.
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Klimpel, Frank, Air-conditioning system for aircraft.
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Klimpel, Frank; Schmidt, Stephan-Anton; Beier, Jens, Aircraft air conditioning system comprising a separate refrigeration cycle.
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Mackin, Steve G.; Foutch, David W.; Landre, Eric G., Aircraft bleed air and engine starter systems and related methods.
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Mavier, Jérôme; Foch, Etienne; Lando, Jean-Louis; Roboam, Xavier; Barkowsky, Jan, Aircraft comprising a reversible rotary electrical machine.
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Shepard, Eric; Wolownik, Todd, Aircraft environmental control system inlet flow control.
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Bruno, Louis J; Zywiak, Thomas M., Aircraft environmental control system selectively powered by three bleed ports.
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Leathers,Thomas M., Aircraft ground support air conditioning unit with cooling air flow control doors.
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Leathers, Thomas M., Aircraft ground support air conditioning unit with temperature-biased flow control.
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Leathers,Thomas M., Aircraft ground support cart with component life optimization control.
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Foutch, David W.; Mackin, Steve G., Bleed air systems for use with aircraft and related methods.
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Foutch, David W.; Mackin, Steve G.; Bowman, Michael D., Bleed air systems for use with aircraft and related methods.
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Mackin, Steve G.; Foutch, David W., Bleed air systems for use with aircrafts and related methods.
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Mackin, Steve G.; Ludlow, George A., Bleed air systems for use with aircrafts and related methods.
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Mackin, Steve G.; Ludlow, George A., Bleed air systems for use with aircrafts and related methods.
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Winslow, Christopher L.; Anduze, Alejandro, Bleed valve system for a gas turbine engine.
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Meister, Juergen; Pfennig, Juergen, Boundary layer suction arrangement.
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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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Army, Donald E., Condenser with recirculation air mixer.
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Claeys, Henry M., Condensing cycle with energy recovery augmentation.
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Clarke, John Alistair, Conditioning of air supply.
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Solntsev, Alexander; Bammann, Holger, Cooling air supply for the cooling of different systems requiring cooling air in an aircraft.
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Centofante, Nico; Petrac, Markus; Scherer, Thomas; Buchholz, Uwe, Device and method for temperature control in an aircraft cabin.
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Beier, Jens; Klimpel, Frank, Device and process for heating an aircraft cabin.
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Krakowski, Dariusz; Buchholz, Uwe; Centofante, Nico, Device for mixing fresh air and heating air and use of the device in a ventilation system of an aircraft.
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Bruno, Louis J.; Lents, Charles E.; Sahm, Michael K.; Thresher, Wayne A., Electric power and cooling system for an aircraft.
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Schiff, Peter, Emergency cabin pressurization system and method for an aircraft.
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Army, Donald E.; McCord, Patrick; Sautron, Dominique P.; Zywiak, Thomas M., Enhance motor cooling system and method.
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Ronan, Michael, Environmental control generator system and apparatus.
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Schlarman, Chris; Reavis, Adriel; Velasquez, Raul, Flow limiting duct vent valves and gas turbine engine bleed air systems including the same.
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Kern, John Michael; Wiegman, Herman Lucas Norbert, Integrated electrical power extraction for aircraft engines.
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Kern,John Michael; Wiegman,Herman Lucas Norbert, Integrated electrical power extraction for aircraft engines.
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Derouineau, Jean Luc; Schenk, Bjoern; Lui, Clarence, Integrated power and pressurization system.
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DeFrancesco, Gregory L., Low pressure bleed architecture.
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Jonqueres, Michel A.; Araki, Roy, Low-pressure bleed air aircraft environmental control system.
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Schrauf, Geza, Method and device for suctioning the boundary layer.
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DeFrancesco, Gregory L., Method of low pressure bleed.
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Snyder, Douglas J.; Pesyna, Kenneth M., Ram air thermal management system.
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Surawski, Eric, Self-cooled motor driven compressor.
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Army, Jr., Donald E.; Greenberg, Michael D., Sensor manifold for a flow sensing venturi.
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Pelagatti, Olivier; Deguin, Thomas; Bodet, Ronan, Turbojet comprising a bleeding system for bleeding air in said turbojet.
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Pelagatti, Olivier; Deguin, Thomas; Bodet, Ronan, Turbojet comprising a bleeding system for bleeding air in said turbojet.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Environment control unit for turbine engine 원문보기

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이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

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[미국특허] Environment control unit for turbine engine 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

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