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1. 发明公开

EP2987987A1 LOW NOISE AEROENGINE INLET SYSTEM 有权
标题翻译： GERÄUSCHARMESFLUGZEUGTRIEBWERKEINLASSSYSTEM
公开(公告)号：EP2987987A1
公开(公告)日：2016-02-24
申请号：EP15181594.1
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045
摘要： An aeroengine has an inlet system (22) which includes a deformable wall (36,38) disposed adjacent a peripheral wall (32,34) of an inlet duct (24) and a plurality of acoustic cells (40) attached to a back side (42) in fluid communication through respective holes (41) in the deformable wall (36,38) with an inlet duct air flow (11). The deformable wall (36,38) selectively forms part of the peripheral wall (32,34) of the inlet duct (24) when in an undeployed position and selectively forms a curved profile projecting into the inlet duct (24) to reduce line-of-sight noise propagation through the inlet duct (24).
摘要翻译：航空发动机具有入口系统（22），其包括邻近入口管道（24）的周壁（32,34）设置的可变形壁（36,38）和附接到后侧的多个声学单元（40）（42）通过具有入口管道空气流（11）的可变形壁（36,38）中的相应孔（41）流体连通。当处于未部署的位置时，可变形壁（36,38）选择性地形成入口管道（24）的周壁（32,34）的一部分，并且选择性地形成突出到入口管道（24）中的弯曲轮廓，通过入口管道（24）的视线噪声传播。

2. 发明公开

EP3623601A1 SPLIT COMPRESSOR SYSTEM ON MULTI-SPOOL ENGINE 有权
公开(公告)号：EP3623601A1
公开(公告)日：2020-03-18
申请号：EP19196639.9
申请日：2019-09-11
申请人： Pratt & Whitney Canada Corp.
发明人： PLANTE, Ghislain , MORGAN, Keith , COUTURE-GAGNON, Vincent
IPC分类号： F02C3/10 , F02C3/14 , F02C6/20 , F02C7/36
摘要： A turboprop or turboshaft engine (10) comprises a first spool (12) including a first compressor (12a) drivingly connected to a first turbine (126), the first turbine (126) further drivingly connected to a load (16). The engine (10) comprising a second spool (13) including a second compressor (13a) drivingly connected to a second turbine (13b), the second compressor (13a) fluidly connected to the first compressor (12a) to receive compressed air therefrom. The engine (10) further comprises a third spool (14) including a third compressor (14a) drivingly connected to a third turbine (14b), the third compressor (14a) fluidly connected to the second compressor (13a) to receive compressed air therefrom.

3. 发明公开

EP2987989A1 VARIABLE GEOMETRY INLET SYSTEM 有权
标题翻译： EINLASSSYSTEM MIT VARIABLER GEOMETRIE
公开(公告)号：EP2987989A1
公开(公告)日：2016-02-24
申请号：EP15181618.8
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045 , F02K3/04
CPC分类号： F02C7/045 , F01D17/143 , F02C7/042 , F02K3/025 , F02K3/04 , F05D2250/311 , F05D2250/712 , F05D2250/90 , F05D2260/96
摘要： A variable geometry inlet system (11 a) of an aircraft engine includes an inlet duct. The inlet duct includes at least first and second sections (40,42) moveable between extended and retracted positions such that the inlet duct defines a variable axial length of an inlet passage for selective flight conditions. The inclusion of acoustic treatment may assist in controlling noise.
摘要翻译：飞机发动机的可变几何入口系统（11a）包括入口管道。入口管道包括至少第一和第二部分（40,42），其可在延伸位置和缩回位置之间移动，使得入口管道限定用于选择性飞行条件的入口通道的可变轴向长度。包括声学处理可以有助于控制噪声。

4. 发明授权

EP2987986B1 LOW NOISE AEROENGINE INLET SYSTEM 有权
公开(公告)号：EP2987986B1
公开(公告)日：2020-04-15
申请号：EP15181537.0
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045 , F02C7/052

5. 发明授权

EP2987989B1 VARIABLE GEOMETRY INLET SYSTEM 有权
标题翻译：可变几何入口系统
公开(公告)号：EP2987989B1
公开(公告)日：2017-12-06
申请号：EP15181618.8
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045 , F02K3/04
CPC分类号： F02C7/045 , F01D17/143 , F02C7/042 , F02K3/025 , F02K3/04 , F05D2250/311 , F05D2250/712 , F05D2250/90 , F05D2260/96
摘要： A variable geometry inlet system (11 a) of an aircraft engine includes an inlet duct. The inlet duct includes at least first and second sections (40,42) moveable between extended and retracted positions such that the inlet duct defines a variable axial length of an inlet passage for selective flight conditions. The inclusion of acoustic treatment may assist in controlling noise.

6. 发明公开

EP2987986A1 LOW NOISE AEROENGINE INLET SYSTEM 有权
标题翻译：低噪声发动机进气系统
公开(公告)号：EP2987986A1
公开(公告)日：2016-02-24
申请号：EP15181537.0
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045 , F02C7/052
摘要： An aeroengine has an inlet system (22) with a forward end with respect to a flight direction (25), a main inlet duct (24) for selectively directing a first air flow (32) from a forward main intake opening (26) to a compressor rotor (12), and a secondary inlet duct (36;44) for directing a second air flow (34;50) from a secondary intake opening (38;46) to the compressor rotor (12) only when the main inlet duct (24) is closed. A control apparatus (52) is provided for selecting the first and second air flow (32,34;50) to enter into the compressor rotor (12).
摘要翻译：航空发动机具有相对于飞行方向（25）具有前端的入口系统（22），用于选择性地将第一气流（32）从前主入口开口（26）引导至主入口管道（24）的主入口管道压缩机转子（12）和次级入口管道（36; 44），所述次级入口管道用于仅在主进口（12）处将第二空气流（34; 50）从次级吸入口（38; 46）引导至压缩机转子导管（24）关闭。提供控制装置（52）用于选择第一和第二气流（32,34; 50）以进入压缩机转子（12）。

7. 发明公开

EP3792468A1 LOW NOISE AEROENGINE INLET SYSTEM 有权
公开(公告)号：EP3792468A1
公开(公告)日：2021-03-17
申请号：EP20162380.8
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045
摘要： An aeroengine has an inlet system (22) which includes a deformable wall (36,38) disposed adjacent a peripheral wall (32,34) of an inlet duct (24) and a plurality of acoustic cells (40) attached to a back side (42) in fluid communication through respective holes (41) in the deformable wall (36,38) with an inlet duct air flow (11). The deformable wall (36,38) selectively forms part of the peripheral wall (32,34) of the inlet duct (24) when in an undeployed position and selectively forms a curved profile projecting into the inlet duct (24) to reduce line-of-sight noise propagation through the inlet duct (24).

8. 发明授权

EP2987987B1 LOW NOISE AEROENGINE INLET SYSTEM 有权
公开(公告)号：EP2987987B1
公开(公告)日：2020-04-01
申请号：EP15181594.1
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045

9. 发明公开

EP2987988A1 LOW NOISE AEROENGINE INLET SYSTEM 有权
标题翻译：低噪声发动机进气系统
公开(公告)号：EP2987988A1
公开(公告)日：2016-02-24
申请号：EP15181596.6
申请日：2015-08-19
申请人： Pratt & Whitney Canada Corp.
发明人： LABRECQUE, Michel , COUTURE-GAGNON, Vincent , ULLYOTT, Richard
IPC分类号： F02C7/042 , F02C7/045
CPC分类号： F02C7/045 , F02C7/042 , F02K3/06 , F05D2220/323 , F05D2260/96
摘要： An aeroengine is provided with a splitter apparatus (46,48,50,52) disposed in a section (44) of ain inlet duct (24). The splitter apparatus can be actuated from a stowed position to a deployed position to allow splitter(s) to selectively move from out of the inlet flow to a position extending into the inlet duct (24) to divide the inlet flow into multiple passages.
摘要翻译：航空发动机设置有布置在入口管道（24）的区段（44）中的分流器装置（46,48,50,52）。分流器装置可从收起位置被致动到展开位置，以允许分流器从入口流动选择性地移动到延伸到入口管道（24）中的位置以将入口流分成多个通道。

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