IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0440701
(2007-08-31)
|
등록번호 |
US-9211954
(2015-12-15)
|
우선권정보 |
DE-10 2006 042 584 (2006-09-11) |
국제출원번호 |
PCT/EP2007/007636
(2007-08-31)
|
§371/§102 date |
20090831
(20090831)
|
국제공개번호 |
WO2008/031510
(2008-03-20)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
8 |
초록
▼
The invention relates to an air supply system of an aircraft, in particular of a passenger aircraft, which comprises a fresh air system, through which fresh air can be supplied to an aircraft cabin, a circulating air system, which is coupled to the fresh air system and through which used cabin air c
The invention relates to an air supply system of an aircraft, in particular of a passenger aircraft, which comprises a fresh air system, through which fresh air can be supplied to an aircraft cabin, a circulating air system, which is coupled to the fresh air system and through which used cabin air can be supplied to the fresh air system, a cooling air system for cooling an air conditioning system of the aircraft disposed in the fresh air system, and a ventilation system coupled to the cooling air system for ventilating an installation space of the air conditioning system. The air supply system includes a device for fluidically coupling the cooling air system and the ventilation system. The device is disposed and configured inside the fuselage of the aircraft such that the air in one system can be driven through the air flow in the other system. The invention also relates to a method for mixing two air streams in an air supply system of this kind of an aircraft.
대표청구항
▼
1. An air supply system of an aircraft, in particular of a passenger aircraft, comprising: a fresh air system, through which fresh air can be supplied to an aircraft cabin, the fresh air system including a fresh air blower,an aircraft air conditioning system, including a heat exchanger, disposed in
1. An air supply system of an aircraft, in particular of a passenger aircraft, comprising: a fresh air system, through which fresh air can be supplied to an aircraft cabin, the fresh air system including a fresh air blower,an aircraft air conditioning system, including a heat exchanger, disposed in an installation space of the air conditioning system,a circulating air system, which is coupled to the fresh air system and through which used cabin air can be supplied to the fresh air system,a cooling air system for cooling the air conditioning system, the cooling air system including a cooling air blower disposed upstream of and fluidly coupled to the heat exchanger such that cooling air supplied by the cooling air blower flows through the heat exchanger,a ventilation system for ventilating the installation space of the air conditioning system,a device for fluidically coupling the cooling air system and the ventilation system disposed downstream of the installation space such that the cooling air flowing through the heat exchanger also flows through the device, the device configured inside the fuselage such that a flow of ventilation air through the installation space is driven by a suction effect brought about by the cooling air flowing through the device, anda common motor configured to drive both the cooling air blower in the cooling air system and the fresh air blower in the fresh air system. 2. The air supply system according to claim 1, wherein a first ejector mixing stage brings about the fluidic coupling of the cooling air system and the ventilation system. 3. The air supply system according to claim 1, wherein the circulating air system and the fresh air system are fluidically coupled through a second ejector mixing stage. 4. The air supply system according to claim 3, wherein the second ejector mixing stage is disposed in the fresh air system upstream of the air conditioning system. 5. The air supply system according to claim 4, wherein a plurality of second ejector mixing stages are disposed parallel to one another in the fresh air system, and that each of the plurality of second ejector mixing stages is coupled to a circulating air line of the circulating air system. 6. The air supply system according to claim 1, wherein the fresh air system is fluidically coupled through two bleed air lines to a secondary air stream circuit of two or more turbine engines of the aircraft. 7. The air supply system according to claim 6, wherein the two bleed air lines lead into a fresh air line in the fuselage of the aircraft. 8. The air supply system according to claim 7, wherein the fresh air blower is disposed in the fresh air line upstream of the second ejector mixing stage, the fresh air blower sucks in fresh air through the bleed air lines and supplies fresh air through the fresh air line to the second ejector mixing stage during ground operation of the aircraft. 9. The air supply system according to claim 1, wherein at least one cabin air compressor which supplies compressed mixed air to the air conditioning system is disposed upstream of the air conditioning system. 10. The air supply system according to claim 1, wherein the cooling air system and the ventilation system can receive air through a single ram air inlet, and wherein a non-return valve is disposed in the ventilation system downstream of the ram air inlet. 11. The air supply system according to claim 10, wherein the cooling air blower is disposed in the cooling air system downstream of the ram air inlet, the cooling air blower sucks in cooling air through the ram air inlet and supplies it to the air conditioning system during ground operation of the aircraft. 12. A method for mixing two air streams in an air supply system of an aircraft, in particular of a passenger aircraft, wherein the air supply system comprises a fresh air system, through which fresh air is supplied to an aircraft cabin a fresh air blower, a circulating air system, which is coupled to the fresh air system and through which used cabin air is supplied to the fresh air system, a cooling air system for cooling an air conditioning system of the aircraft disposed in the fresh air system, and a ventilation system coupled to the cooling air system for ventilating an installation space of the air conditioning system, supplying a flow of cooling air with a cooling air blower in the cooling air system,directing the flow of cooling air through a heat exchanger of the air conditioning system,fluidically coupling the cooling air system and the ventilation system downstream of the installation space and inside the fuselage such that a flow of ventilation air flow through the installation space is driven by a suction effect brought about by the flow of cooling in the cooling air system downstream of the heat exchanger,anddriving the cooling air blower in the cooling air system and the fresh air blower in the fresh air system with a common motor. 13. The method according to claim 12, wherein the fresh air flowing through the fresh air system sucks in the circulating air from the circulating air system and delivers it into the fresh air system, so that the fresh air is mixed with the circulating air. 14. The method according to claim 13, wherein the fresh air mixed with the circulating air is adjusted through the air conditioning system disposed in the fresh air system to a predetermined temperature, and the mixed air is subsequently supplied to the aircraft cabin. 15. The method according to claim 13, wherein the fresh air is bleed air from a secondary air stream circuit of one or more turbine engine(s) of the aircraft while the aircraft is in flight, and the bleed air is subsequently supplied to a second ejector mixing stage, in which the bleed air is mixed with the circulating air. 16. The method according to claim 15, wherein the fresh air is bleed air from a secondary air stream circuit of one or more turbine engine(s) of the aircraft while the aircraft is in flight, and the bleed air is subsequently supplied to a second ejector mixing stage, in which the bleed air is mixed with the circulating air. 17. The method according to claim 12, wherein the cooling air and the ventilation air are introduced through a single ram air inlet into the cooling air system and the ventilation system, and wherein a non-return valve is disposed in the ventilation system downstream of the ram air inlet. 18. The method according to claim 17, wherein the cooling air flows through the heat exchanger of the air conditioning system and is subsequently supplied to a first ejector mixing stage, in which the cooling air and the ventilation air are mixed before the cooling air mixed with the ventilation air is discharged through an air outlet in the fuselage.
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