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公开(公告)号:EP4418260A1
公开(公告)日:2024-08-21
申请号:EP23156878.3
申请日:2023-02-15
IPC分类号: G10K11/168
CPC分类号: G10K11/168
摘要: It is described a noise attenuation part which comprises two outer dense layers (11,12) having noise insulating properties, and an interposed porous layer (13) with noise absorbing properties, in which at least one of the insulating layers has through-holes (14) communicating the absorber layer with the environment.
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2.
公开(公告)号:EP3911792A1
公开(公告)日:2021-11-24
申请号:EP20701535.5
申请日:2020-01-09
发明人: FALK, Frank , SCHULZE, Volkmar , DICKERT, Matthias , SINGH, Ray
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3.
公开(公告)号:EP3887419A1
公开(公告)日:2021-10-06
申请号:EP19804674.0
申请日:2019-11-11
发明人: BECKER, Helmut , SCHULZE, Volkmar
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公开(公告)号:EP3931384A1
公开(公告)日:2022-01-05
申请号:EP20706668.9
申请日:2020-02-18
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公开(公告)号:EP3900161A1
公开(公告)日:2021-10-27
申请号:EP19832573.0
申请日:2019-12-10
发明人: RIEDERER, Frank , KARCZ, Thomas , SCHULZE, Volkmar
IPC分类号: H02K5/24
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8.
公开(公告)号:EP4135974A1
公开(公告)日:2023-02-22
申请号:EP21719878.7
申请日:2021-04-14
发明人: RIEDERER, Frank , KARCZ, Thomas , SCHULZE, Volkmar
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公开(公告)号:EP4107036A1
公开(公告)日:2022-12-28
申请号:EP21702372.0
申请日:2021-01-15
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公开(公告)号:EP3953166A1
公开(公告)日:2022-02-16
申请号:EP20712505.5
申请日:2020-03-16
发明人: SCHULZE, Volkmar , SINGH, Ray
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