Title:
ACOUSTIC DEVICE AND GAS TURBINE
Document Type and Number:
Japanese Patent JP2017155705
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an acoustic device that improves noise reduction effect, and to provide a gas turbine.SOLUTION: The acoustic device 4 includes: a porous plate 32 having a plurality of hole parts 34 penetrating through in a plate thickness direction, through which a main flow circulates on one side in the plate thickness direction; and a housing 33 provided on the other side in the plate thickness direction of the porous plate 32 to define a space between the porous plate 32 and the housing. At least parts on one side in the plate thickness direction in the hole parts 34 are included on at least either one side or the other side in a circulation direction of the main flow.SELECTED DRAWING: Figure 4
Inventors:
MATSUYAMA KEISUKE
AKAMATSU SHINJI
KINOSHITA YASUKI
TANIGUCHI KENTA
AKAMATSU SHINJI
KINOSHITA YASUKI
TANIGUCHI KENTA
Application Number:
JP2016041543A
Publication Date:
September 07, 2017
Filing Date:
March 03, 2016
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F02C7/24; F23R3/42
Domestic Patent References:
| JP2012077660A | 2012-04-19 | |||
| JP2006132505A | 2006-05-25 | |||
| JP2015075116A | 2015-04-20 |
Foreign References:
| WO2013077394A1 | 2013-05-30 | |||
| US20030141144A1 | 2003-07-31 | |||
| US20100206664A1 | 2010-08-19 |
Attorney, Agent or Firm:
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma
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