Title:
ロータへの羽根の固定部の寿命を延ばすための方法
Document Type and Number:
Japanese Patent JP3974385
Kind Code:
B2
Abstract:
The rotor comprises a rim (10) on the periphery (12) of which several removable blades are fastened. The blade fasteners comprise a dovetailed groove (14) and a foot fitted in the groove. The groove is shot blasted by projecting balls (1) in order to create a pre-stressed compression in its surface. The shot blasting is carried out by ultrasonics, the balls being projected by the percussion of a vibrating sonotrode (30). The balls are contained in an enclosure (40) in which they form a mist.
Inventors:
Benoit Jiyan Henri Bertoule
Francis-Ryusian-Guy Shearer
Wheelie-Lyonel Fraudin
Akan Offman
Stephan-Michel Kerney
Marie-Christine Marcel Towsama-Etoday
Guillaume Francois Rozier Simon
Francis-Ryusian-Guy Shearer
Wheelie-Lyonel Fraudin
Akan Offman
Stephan-Michel Kerney
Marie-Christine Marcel Towsama-Etoday
Guillaume Francois Rozier Simon
Application Number:
JP2001350517A
Publication Date:
September 12, 2007
Filing Date:
November 15, 2001
Export Citation:
Assignee:
SNECMA
Snekuma Servis
Snekuma Servis
International Classes:
B24C1/10; B24B1/04; B24B39/00; B24B39/02; C21D7/06; F01D5/28; F01D5/30; F02C7/00
Domestic Patent References:
| JP7251376A | ||||
| JP9123039A | ||||
| JP6067441A |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Mitsuru Inoue
Akio Ichiiri
Katsuma Osaki
Takamasa Soma
Makoto Ono
Mitsuru Inoue
Akio Ichiiri
Katsuma Osaki
Takamasa Soma