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US 2022/0048274 A1Published application
Dash Isolation Pad
AssigneesHyundai Motor Company, Kia Corporation, Seoyon E-Hwa Co., Ltd.
InventorsJungwook Lee, Ji Wan Kim, Wenxu Huang, Xiaoqin Zheng, Hyun-Joon Park
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Abstract
An embodiment dash isolation pad includes a 3D vertical nonwoven fabric layer having a structure in which wave-type short fibers are vertically arranged, a sound absorption layer on one side or both sides of the 3D vertical nonwoven fabric layer, and an olefin-based powder layer between the 3D vertical nonwoven fabric layer and the sound absorption layer.
Claims16
A dash isolation pad comprising:
- a 3D vertical nonwoven fabric layer having a structure in which wave-type short fibers are vertically arranged;
- a sound absorption layer on one side or both sides of the 3D vertical nonwoven fabric layer;
- and
- an olefin-based powder layer between the 3D vertical nonwoven fabric layer and the sound absorption layer.
1 more element
A dash isolation pad comprising:
- a 3D vertical nonwoven fabric layer having a structure in which wave-type short fibers are vertically arranged;
- an upper sound absorption layer on an upper side of the 3D vertical nonwoven fabric layer;
- a lower sound absorption layer on a lower side of the 3D vertical nonwoven fabric layer;
- an upper olefin-based powder layer between the 3D vertical nonwoven fabric layer and the upper sound absorption layer;
- and
- a lower olefin-based powder layer between the 3D vertical nonwoven fabric layer and the lower sound absorption layer.
3 more elements
Dependencies are inferred from the claim text.