MANUFACTURING METHOD OF HIGHLY HEAT-RESISTANT SOUND ABSORBING AND INSULATING MATERIALS
    13.
    发明申请
    MANUFACTURING METHOD OF HIGHLY HEAT-RESISTANT SOUND ABSORBING AND INSULATING MATERIALS 审中-公开
    高耐热声吸收和绝缘材料的制造方法

    公开(公告)号:US20150314738A1

    公开(公告)日:2015-11-05

    申请号:US14705792

    申请日:2015-05-06

    摘要: The present invention relates to a method for manufacturing a substantially improved heat-resistant sound absorbing and insulating material. method includes: beating and mixing a fiber material comprising a heat-resistant fiber; forming a web from the beaten and mixed fiber material; stacking the formed web; forming a nonwoven fabric by needle punching as moving a needle up and down through the stacked web; forming a binder-impregnated nonwoven fabric by immersing the nonwoven fabric in a binder solution; and removing a solvent from the binder-impregnated nonwoven fabric.The substantially improved heat-resistant sound absorbing and insulating material manufactured by the method according to the present invention may be installed on a location closest to the noise source of an engine or an exhaust system to reduce radiated noise from the engine or the exhaust system, thereby improving quietness inside a vehicle, and may be applied to a location adjacent to a metal part which is at a temperature of 200° C. or greater to exert heat-insulating function, thereby protecting nearby plastic and rubber parts.

    摘要翻译: 本发明涉及一种用于制造实质上改进的耐热吸声和绝缘材料的方法。 方法包括:打浆和混合包含耐热纤维的纤维材料; 从打浆和混合纤维材料形成网; 堆叠形成的网; 通过针刺将无纺布上下移动穿过堆叠的卷筒纸; 通过将无纺布浸渍在粘合剂溶液中形成粘合剂浸渍的无纺布; 并从粘合剂浸渍的无纺织物中除去溶剂。 通过根据本发明的方法制造的基本上改进的耐热吸声和绝缘材料可以安装在最靠近发动机或排气系统的噪声源的位置,以减少来自发动机或排气系统的辐射噪声, 从而改善车辆内的安静性,并且可以应用于与200℃以上的温度的金属部件相邻的位置,以发挥隔热功能,从而保护附近的塑胶部件和橡胶部件。

    Sound-absorbing material with excellent sound-absorbing performance and method for manufacturing thereof
    15.
    发明授权
    Sound-absorbing material with excellent sound-absorbing performance and method for manufacturing thereof 有权
    具有优良吸声性能的吸声材料及其制造方法

    公开(公告)号:US09523192B2

    公开(公告)日:2016-12-20

    申请号:US14673849

    申请日:2015-03-30

    摘要: Disclosed are a sound-absorbing material with improved sound-absorbing performance and a method for manufacturing the sound-absorbing material. The sound-absorbing material may improve sound absorption coefficient and transmission loss by forming large surface area and air layer, so as to induce viscosity loss of incident sound energy, and may provide light-weight design of a sound absorbing part or material since sound-absorbing performance may be substantially improved using reduced amount of fiber. Further, the sound-absorbing material may improve sound-absorbing performance by using binder fiber having rebound resilience, so as to maintain enough strength between fibers and also to maximize viscosity loss of sound energy transmitted to fiber structure.

    摘要翻译: 公开了具有改善的吸声性能的吸声材料和吸声材料的制造方法。 吸声材料可以通过形成大的表面积和空气层来改善吸声系数和透射损失,从而引起入射声能的粘度损失,并且可以提供吸音部件或材料的轻量化设计, 使用减少量的纤维可以显着改善吸收性能。 此外,吸声材料可以通过使用具有回弹性的粘合纤维来改善吸音性能,以便在纤维之间保持足够的强度,并且还使传播到纤维结构的声能的粘度损失最大化。

    METHOD FOR PREDICTING PHYSICAL PROPERTIES OF AMORPHOUS POROUS MATERIAL

    公开(公告)号:US20210325331A1

    公开(公告)日:2021-10-21

    申请号:US16990449

    申请日:2020-08-11

    IPC分类号: G01N27/26 B01D39/16

    摘要: The present invention relates to a method for predicting physical properties of an amorphous porous material which may predict an acoustic physical property value and an absorption coefficient from parameters of an amorphous porous material, and may estimate the acoustic characteristics with the amorphous porous material which is an amorphous specimen even without separately producing a formalized specimen such as a cylindrical specimen or a flat specimen. Further, the method for predicting physical properties of the amorphous porous material may estimate the acoustic physical properties through the analysis of a three-dimensional pore connection structure, which is a microstructure of an amorphous specimen, even without acoustic impedance, thereby estimating the acoustic physical properties which accurately reflect the characteristics of the actual specimen.