IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0306177
(2007-06-19)
|
등록번호 |
US-8739516
(2014-06-03)
|
우선권정보 |
FR-06 52653 (2006-06-27) |
국제출원번호 |
PCT/FR2007/051470
(2007-06-19)
|
§371/§102 date |
20090508
(20090508)
|
국제공개번호 |
WO2008/000994
(2008-01-03)
|
발명자
/ 주소 |
- Bulin, Guillaume
- Oberle, Patrick
|
출원인 / 주소 |
|
대리인 / 주소 |
Patterson Thuente Pedersen, P.A.
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
5 |
초록
▼
The invention concerns a turbojet for aircraft including engine located in nacelle, and thermal exchanger intended to cool a fluid participating in the engine propulsive system, characterized in that said thermal exchanger is located on engine external wall, an interstitial space within which air ca
The invention concerns a turbojet for aircraft including engine located in nacelle, and thermal exchanger intended to cool a fluid participating in the engine propulsive system, characterized in that said thermal exchanger is located on engine external wall, an interstitial space within which air can circulate being arranged between the engine external wall and a lower wall of said thermal exchanger. The invention also concerns an aircraft provided with at least one such turbojet.
대표청구항
▼
1. A turbojet for an aircraft including an engine located in a nacelle the turbojet comprising: a thermal exchanger adapted to cool a liquid participating in the engine propulsive system, wherein said thermal exchanger is located downstream from the nacelle and at a surface level of an external wall
1. A turbojet for an aircraft including an engine located in a nacelle the turbojet comprising: a thermal exchanger adapted to cool a liquid participating in the engine propulsive system, wherein said thermal exchanger is located downstream from the nacelle and at a surface level of an external wall of the engine, an interstitial space being defined in a recess, the recess receiving the thermal exchanger in a disposition wherein air can circulate in the interstitial space between an engine external wall and an inner wall of said thermal exchanger, wherein the interstitial space is defined by an intake opening, adjoining a shallow in-slope portion, adjoining a steep in-slope portion, adjoining an arcuate bottom portion, adjoining a steep out-slope portion, adjoining a portion substantially parallel to the axis of the engine, adjoining a shallow out-slope portion, adjoining an exhaust opening, thereby creating a thermal resistance between the engine external wall and the inner wall of said thermal exchanger. 2. The turbojet according to claim 1, wherein the turbojet includes an attaching strut assembly adapted to attach the thermal exchanger to the engine external wall. 3. The turbojet according to claim 2, wherein the attaching strut assembly include at least one strut. 4. The turbojet according to claim 1, wherein the interstitial space forms an air pocket. 5. The turbojet according to claim 1, wherein the engine external wall includes a recess formed therein for receiving at least a portion of the thermal exchanger in a spaced apart disposition. 6. The turbojet according to claim 1, wherein the thermal exchanger is provided with an air inlet, positioned upstream from the thermal exchanger, and adapted to admit air to the interstitial space. 7. The turbojet according to claim 6, wherein the air inlet receives air from a secondary air flow, the secondary air flow passing through the nacelle. 8. The turbojet according to claim 1, wherein the thermal exchanger includes an air outlet positioned downstream from a thermal exchanger body, and adapted to exhaust the air circulating in the interstitial space out of aforesaid interstitial space. 9. The turbojet according to claim 1, wherein the thermal exchanger is positioned circumferentially around the engine. 10. An aircraft including at least one turbojet for the aircraft, the at least one turbojet including an engine located in a nacelle, the aircraft comprising: a thermal exchanger adapted to cool a liquid participating in the engine propulsive system, wherein said thermal exchanger is located downstream from the nacelle and at a surface level of an external wall of the engine, an interstitial space being defined in a recess, the recess receiving the thermal exchanger in a disposition wherein air can circulate in the interstitial space between an engine external wall and an inner wall of said thermal exchanger, wherein the interstitial space is defined by an intake opening, adjoining a shallow in-slope portion, adjoining a steep in-slope portion, adjoining an arcuate bottom portion, adjoining a steep out-slope portion, adjoining a portion substantially parallel to the axis of the engine, adjoining a shallow out-slope portion, adjoining an exhaust opening, thereby creating a thermal resistance between the engine external wall and the inner wall of said thermal exchanger. 11. The turbojet according to claim 1, wherein the openings are at a surface level of the external wall of the engine to reduce aerodynamic drag. 12. The turbojet according to claim 1, wherein the openings are formed as slots extending the whole width of thermal exchanger. 13. The turbojet according to claim 1, wherein the interstitial space is in fluid communication with two or more openings upstream and two or more openings downstream of the interstitial space, the upstream and downstream openings symmetrical to one another. 14. The turbojet according to claim 1, wherein the at least one opening upstream is a punctual air inlet. 15. The turbojet according to claim 1, wherein a bottle neck is formed within the interstitial space. 16. The turbojet according to claim 1, wherein air circulation between the engine external wall and the inner wall of said thermal exchanger is regulated by one or more valves. 17. A turbojet engine for an aircraft comprising: a motor housed in a nacelle, wherein an internal wall of the nacelle and an external wall of the motor is at least partially covered with an acoustic coating; anda thermal exchanger adapted to cool a fluid participating in the propulsion system of the motor, wherein said thermal exchanger is located downstream from the acoustic coating and at a surface level of the external wall of the motor, an interstitial space being defined in a recess, the recess receiving the thermal exchanger in a disposition wherein air can circulate in the interstitial space between an motor external wall and an inner wall of said thermal exchanger, wherein the interstitial space is defined by an intake opening, adjoining a shallow in-slope portion, adjoining a steep in-slope portion, adjoining an arcuate bottom portion, adjoining a steep out-slope portion, adjoining a portion substantially parallel to the axis of the engine, adjoining a shallow out-slope portion, adjoining an exhaust opening, thereby creating a thermal resistance between the motor external wall and the inner wall of said thermal exchanger.
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