Invention Grant
- Patent Title: Noise attenuation in rotating blades
-
Application No.: US14365135Application Date: 2012-12-13
-
Publication No.: US09951626B2Publication Date: 2018-04-24
- Inventor: Mathieu Gruber , Philip Joseph , Mahdi Azarpeyvand
- Applicant: ROLLS-ROYCE PLC
- Applicant Address: GB London
- Assignee: ROLLS-ROYCE plc
- Current Assignee: ROLLS-ROYCE plc
- Current Assignee Address: GB London
- Agency: Oliff PLC
- Priority: GB1121753.6 20111219
- International Application: PCT/EP2012/075366 WO 20121213
- International Announcement: WO2013/092368 WO 20130627
- Main IPC: F01D5/14
- IPC: F01D5/14 ; F03D1/06
Abstract:
A blade for a rotating machine, particularly for a gas turbine engine, has a leading edge and a trailing edge joined by pressure and suction surfaces. The trailing edge has a serrated form including a first periodic variation and a second periodic variation of higher frequency and lower amplitude than the first periodic variation.
Public/Granted literature
- US20140377077A1 NOISE ATTENUATION IN ROTATING BLADES Public/Granted day:2014-12-25
Information query
