Invention Grant
- Patent Title: Production method of leading edge reinforcement of fan blade
- Patent Title (中): 风扇叶片前缘加固的生产方法
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Application No.: US13145350Application Date: 2010-01-22
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Publication No.: US08814528B2Publication Date: 2014-08-26
- Inventor: Takayuki Iwasaki
- Applicant: Takayuki Iwasaki
- Applicant Address: JP Tokyo
- Assignee: IHI Corporation
- Current Assignee: IHI Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-012144 20090122
- International Application: PCT/JP2010/050763 WO 20100122
- International Announcement: WO2010/084941 WO 20100729
- Main IPC: B21D26/049
- IPC: B21D26/049 ; B23P15/02
Abstract:
A production method enables use of ultrasonic forming but does not leave a bonding face in a final product.One cuts into a plate member having a first side face and a second side face from the first side face toward the second side face to form a slit that does not reach the second side face; seals lips of the slit to leave an opening; causes superplastic forming of the plate member by pressurizing the plate member in a mold with gas through the opening; and cuts out a portion including the sealed lips.
Public/Granted literature
- US20110274551A1 PRODUCTION METHOD OF LEADING EDGE REINFORCEMENT OF FAN BLADE Public/Granted day:2011-11-10
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