CN215183063U - 一种基于粒子阻尼结构的泡沫铝空腔共振*** - Google Patents
一种基于粒子阻尼结构的泡沫铝空腔共振*** Download PDFInfo
- Publication number
- CN215183063U CN215183063U CN202121481798.8U CN202121481798U CN215183063U CN 215183063 U CN215183063 U CN 215183063U CN 202121481798 U CN202121481798 U CN 202121481798U CN 215183063 U CN215183063 U CN 215183063U
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- Prior art keywords
- damping
- particle
- foamed aluminum
- cavity resonance
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002245 particle Substances 0.000 title claims abstract description 79
- 238000013016 damping Methods 0.000 title claims abstract description 70
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 230000003584 silencer Effects 0.000 title claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 239000011148 porous material Substances 0.000 claims abstract description 18
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002905 metal composite material Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 6
- 230000008030 elimination Effects 0.000 abstract description 4
- 238000003379 elimination reaction Methods 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 3
- 230000001743 silencing effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000006260 foam Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 230000036541 health Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Images
Landscapes
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121481798.8U CN215183063U (zh) | 2021-06-30 | 2021-06-30 | 一种基于粒子阻尼结构的泡沫铝空腔共振*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121481798.8U CN215183063U (zh) | 2021-06-30 | 2021-06-30 | 一种基于粒子阻尼结构的泡沫铝空腔共振*** |
Publications (1)
Publication Number | Publication Date |
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CN215183063U true CN215183063U (zh) | 2021-12-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121481798.8U Active CN215183063U (zh) | 2021-06-30 | 2021-06-30 | 一种基于粒子阻尼结构的泡沫铝空腔共振*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215183063U (zh) |
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2021
- 2021-06-30 CN CN202121481798.8U patent/CN215183063U/zh active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A foam aluminum cavity resonant muffler based on particle damping structure Effective date of registration: 20220704 Granted publication date: 20211214 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: Xiamen Huanji High Tech Co.,Ltd. Registration number: Y2022980009755 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231220 Granted publication date: 20211214 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: Xiamen Huanji High Tech Co.,Ltd. Registration number: Y2022980009755 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A foam aluminum cavity resonant muffler based on particle damping structure Granted publication date: 20211214 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: Xiamen Huanji High Tech Co.,Ltd. Registration number: Y2024980006268 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |