发明名称 |
SILENCER, DUCT, GAS TURBINE GENERATING EQUIPMENT, AND AGED DEGRADATION CONTROL METHOD FOR SILENCER |
摘要 |
PROBLEM TO BE SOLVED: To sufficiently suppress lowering of sound absorption effect and to sufficiently absorb a predetermined design frequency sound, even when particle is mixed into fluid. SOLUTION: This silencer comprises a silencer body, which is disposed in an exhaust duct and an outer surface of a hollow frame structure 40 thereof is covered with a porous plate 5. The hollow frame structure 40 is formed by a latticed combination of horizontal reinforcement plates 3 and perpendicular reinforcement plates 4. In that case, the horizontal reinforcement plates 3 are provided with through holes 6 every latticed block.
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申请公布号 |
JP2000008882(A) |
申请公布日期 |
2000.01.11 |
申请号 |
JP19980174627 |
申请日期 |
1998.06.22 |
申请人 |
HITACHI LTD |
发明人 |
MURATA KENICHI;SAKUTA OSAMU |
分类号 |
F01N1/04;F01N1/24;F02C7/00;F02C7/24;(IPC1-7):F02C7/24 |
主分类号 |
F01N1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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