Invention Grant
US07938618B2 Device for silencing a helicopter gas turbine engine and engine thus obtained
有权
用于使由此获得的直升机燃气涡轮发动机和发动机沉没的装置
- Patent Title: Device for silencing a helicopter gas turbine engine and engine thus obtained
- Patent Title (中): 用于使由此获得的直升机燃气涡轮发动机和发动机沉没的装置
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Application No.: US11854915Application Date: 2007-09-13
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Publication No.: US07938618B2Publication Date: 2011-05-10
- Inventor: Pierre Michel Baude
- Applicant: Pierre Michel Baude
- Applicant Address: FR Bordes
- Assignee: Turbomeca
- Current Assignee: Turbomeca
- Current Assignee Address: FR Bordes
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: FR0653835 20060920
- Main IPC: F04D29/66
- IPC: F04D29/66
Abstract:
In a helicopter gas turbine engine, lips (30, 32) defining a radial air intake (34) are connected along an opening (12a) of an engine compressor air supply passage (12). The air intake lips are at least partially formed by a sound attenuator (40, 42) calculated to attenuate sound frequencies produced by the compressor rotation.
Public/Granted literature
- US20080185217A1 DEVICE FOR SILENCING A HELICOPTER GAS TURBINE ENGINE AND ENGINE THUS OBTAINED Public/Granted day:2008-08-07
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