公开(公告)号：EP1340736B1

公开(公告)日：2008-03-05

申请号：EP01998517.5

申请日：2001-11-28

申请人： IHI Corporation ,  Ube Industries, Ltd.

发明人： OISHI, Tsutomu, Ishikawajima-Harima Heavy Ind. ,  NAKAMURA, Yoshiya, Ishikawajima-Harima Heavy Ind. ,  TANAKA, Yoshizumi, UBE Industries, LTD. ,  SATO, Mitsuhiko, UBE Industries, LTD.

IPC分类号： C04B38/04 ,  C04B38/00 ,  F02K1/82 ,  G10K11/162 ,  G10K11/172

CPC分类号： G10K11/172 ,  C03C11/007 ,  C04B38/04 ,  C04B2111/52 ,  F02K1/827 ,  F05D2260/962 ,  G10K11/162 ,  Y02T50/671 ,  C04B35/00

摘要： A method of surely manufacturing a porous sound absorbing material having low weight and excellent heat resistance enough to be used for the exhaust nozzle of a jet engine, high sound absorbing effect on the noise in wide band from the jet engine, and stable performance without a variation in porosity, comprising the step of forming a frame of the aggregate (5) having pores (6).

公开(公告)号：EP1340736A1

公开(公告)日：2003-09-03

申请号：EP01998517.5

申请日：2001-11-28

申请人： Ishikawajima-Harima Heavy Industries Co., Ltd. ,  Ube Industries, Ltd.

发明人： OISHI, Tsutomu, Ishikawajima-Harima Heavy Ind. ,  NAKAMURA, Yoshiya, Ishikawajima-Harima Heavy Ind. ,  TANAKA, Yoshizumi, UBE Industries, LTD. ,  SATO, Mitsuhiko, UBE Industries, LTD.

IPC分类号： C04B38/04

CPC分类号： G10K11/172 ,  C03C11/007 ,  C04B38/04 ,  C04B2111/52 ,  F02K1/827 ,  F05D2260/962 ,  G10K11/162 ,  Y02T50/671 ,  C04B35/00

摘要： The porous sound-absorbing material manufactured is light and has excellent heat resistance to be applicable to the exhaust nozzle etc. of a jet engine, can effectively absorb noise as that from a jet engine, over a wide range of frequencies, is free from variations in porosity, and provides stable performance characteristics. An essential feature thereof is the formation of a skeleton of the material, with aggregates 5 containing voids 6.

摘要翻译： 所制造的多孔吸声材料是轻的并且具有优异的耐热性，适用于喷气发动机的排气喷嘴等，能够有效地吸收来自喷气发动机的噪音，在宽的频率范围内，没有变化 并具有稳定的性能特点。 其主要特征是形成材料的骨架，其中聚集体5含有空隙6.