[특허]Integrated power and pressurization system

Honeywell International Inc.

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Integrated power and pressurization system

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28B-009/00 F02C-006/08 F02C-006/00
미국특허분류(USC)	062/172; 060/039.07
출원번호	UP-0165729 (2005-06-23)
등록번호	US-7578136 (2009-09-08)
발명자 / 주소	Derouineau, Jean Luc Schenk, Bjoern Lui, Clarence
출원인 / 주소	Honeywell International Inc.
대리인 / 주소	Ingrassia Fisher & Lorenz, P.C.
인용정보	피인용 횟수 : 26 인용 특허 : 13

초록

An integrated power and pressurization management system supplies electrical power and cabin pressurization and cooling air during both airborne and ground operations. The system includes an integral auxiliary power unit (APU) that has a compressor, a motor-generator, and a power turbine all mounted on one shaft. The integral APU can supply compressed air for cabin pressurization and environmental cooling functions, and can generate electrical power for various electrical loads. The system further includes one or more electrically driven compressors.

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We claim: 1. An integrated power and cabin pressurization system for selectively generating electrical power and supplying cabin pressurization air to an aircraft cabin, the system comprising: a combustor having a combustor air inlet and a combustor air outlet, the combustor air inlet adapted to receive a flow of compressed air; a power turbine having an air inlet coupled to selectively receive a flow of air from the combustor and to selectively receive a flow of air from the aircraft cabin not via the combustor, the power turbine operable, upon receipt of the flow of air, to supply a rotational drive force; a motor-generator coupled to the power turbine and configured to operate in either a motor mode, in which the motor-generator supplies a rotational drive force, or a generate mode, in which the motor-generator receives the rotational drive force supplied by the power turbine; a compressor having a ram air inlet and a compressed air outlet, the compressor coupled to only receive the rotational drive force supplied from the power turbine or the motor-generator and no other electrically powered prime movers, the compressor operable, upon receipt of the rotational drive force, to supply compressed air to the combustor air inlet via the compressor compressed air outlet; a cabin air exhaust conduit coupled between the power turbine air inlet and the aircraft cabin; a turbine air supply valve mounted on the cabin air exhaust conduit and moveable between an open position, in which the power turbine air inlet is in fluid communication with the aircraft cabin, and a closed position, in which the power turbine air inlet is not in fluid communication with the aircraft cabin; a first cabin air supply conduit coupled between the compressed air outlet and the aircraft cabin; a first cabin air supply valve mounted on the cabin air supply conduit and moveable between an open position, in which the compressed air outlet is in fluid communication with the aircraft cabin, and a closed position, in which the compressed air outlet is not in fluid communication with the aircraft cabin; an electric motor operable to supply a rotational drive force; a second compressor having a second compressor ram air inlet and a second compressor compressed air outlet, the second compressor coupled to only receive the rotational drive force supplied from the electric motor and operable, upon receipt thereof, to supply compressed air to the second compressor compressed air outlet; a second cabin air supply conduit coupled between the second compressor compressed air outlet and the aircraft cabin; and a second cabin air supply valve mounted on the second cabin air supply conduit and moveable between an open position, in which the second compressor compressed air outlet is in fluid communication with the aircraft cabin, and a closed position, in which the second compressor compressed air outlet is not in fluid communication with the aircraft cabin. 2. The system of claim 1, further comprising: a cooling turbine coupled to the power turbine and having an air inlet coupled to receive a flow of air, the cooling turbine operable, upon receipt of the flow of air, to assist the power turbine in supplying the drive force. 3. The system of claim 2, wherein the cooling turbine is further operable to cool the received flow of air. 4. The system of claim 1, further comprising: a combustor supply valve coupled between the compressed air outlet and the combustor air inlet, the combustor supply valve moveable between at least a first position, in which the compressor compressed air outlet is in fluid communication with the combustor air inlet, and a second position, in which the compressor compressed air outlet is not in fluid communication with combustor air inlet. 5. The system of claim 1, further comprising: a cabin air exhaust valve mounted on the cabin air exhaust conduit and moveable between an open position, in which the aircraft cabin is in fluid communication with an external environment, and a closed position, in which the aircraft cabin is not in fluid communication with the external environment. 6. The system of claim 1, further comprising: an air cooling system coupled between the first cabin air supply conduit and the aircraft cabin, the air cooling system operable to cool the compressed air prior to it being discharged into the aircraft cabin. 7. The system of claim 6, wherein the air cooling system comprises: an airflow duct; a cooling system fan disposed within the airflow duct; and a fan motor-generator coupled to the fan. 8. The system of claim 1, wherein the second cabin air supply valve is a pressure regulating valve configured to regulate compressed air pressure to the aircraft cabin. 9. The system of claim 1, further comprising: a battery electrically coupled to the motor-generator, the battery configured to (i) supply electrical power to the motor-generator when the motor-generator is operating in the motor mode and (ii) receive electrical power from the motor-generator when the motor-generator is operating in the generate mode. 10. The system of claim 1, further comprising: a motor-generator controller coupled to the motor-generator and operable to control the motor-generator to operate in either the motor mode or the generate mode. 11. The system of claim 1, further comprising: a motor controller coupled to the motor. 12. The system of claim 1, further comprising: a fuel cell disposed between the combustor air inlet and the compressed air outlet. 13. The system of claim 1, further comprising: a recovery turbine coupled to the second compressor, the recovery turbine having an air inlet coupled to receive a flow of air from the aircraft cabin and operable, upon receipt of the flow of air, to assist the power turbine in supplying the rotational drive force. 14. The system of claim 1, further comprising: a system controller in operable communication with, and configured to supply commands representative of system operational configuration to at least partially control, the motor-generator, the motor, the combustor, the power turbine, the turbine air supply valve, the first cabin air supply valve, and the second cabin air supply valve.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 26

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Integrated power and pressurization system

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 26

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특허 상세정보

Integrated power and pressurization system

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 26

IPC 상위 출원인

상세정보조회

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IPC 상세정보(version : 201201)

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