- 专利标题: Airborne acoustic absorber
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申请号: US15965149申请日: 2018-04-27
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公开(公告)号: US11568848B2公开(公告)日: 2023-01-31
- 发明人: Taehwa Lee , Hideo Iizuka
- 申请人: Toyota Motor Engineering & Manufacturing North America, Inc.
- 申请人地址: US TX Plano
- 专利权人: Toyota Motor Engineering & Manufacturing North America, Inc.
- 当前专利权人: Toyota Motor Engineering & Manufacturing North America, Inc.
- 当前专利权人地址: US TX Plano
- 代理机构: Darrow Mustafa PC
- 代理商 Christopher G. Darrow
- 主分类号: G10K11/172
- IPC分类号: G10K11/172 ; E01F8/00 ; E04B1/84
摘要:
Airborne acoustic absorbers include periodic arrays of Helmholtz resonators that are covered and/or partially filled with an acoustically absorptive material, such as a thermoplastic foam. The combined structures have much broader frequency ranges of high acoustic absorption than do structures having only Helmholtz resonators or acoustically absorbing foam.
公开/授权文献
- US20190333492A1 AIRBORNE ACOUSTIC ABSORBER 公开/授权日:2019-10-31