Title:
VIBRATION DAMPING DEVICE FOR BLADE OF ROTARY MACHINE, AND ROTARY MACHINE WITH SAME
Document Type and Number:
WIPO Patent Application WO/2020/090169
Kind Code:
A1
Abstract:
A vibration damping device for a blade of a rotary machine according to an embodiment of the present invention is provided with: one or more housings configured so that the housings can be housed in a cavity formed below the platform of the blade and so that the housings are mountable to and removable from the blade; and damping materials provided in vibration damping spaces formed in the housings.
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Inventors:
WATANABE TOSHIO (JP)
AKIMOTO KENTARO (JP)
AKIMOTO KENTARO (JP)
Application Number:
PCT/JP2019/029259
Publication Date:
May 07, 2020
Filing Date:
July 25, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND AERO ENGINES LTD (JP)
International Classes:
F01D25/06; F01D5/16; F04D29/34; F04D29/66; F16F15/14; F16F15/16
Foreign References:
DE102016204255A1 | 2017-09-21 | |||
JP2015148284A | 2015-08-20 | |||
JP2015148287A | 2015-08-20 | |||
EP1980715A1 | 2008-10-15 | |||
JP2016528440A | 2016-09-15 |
Other References:
See also references of EP 3854996A4
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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