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    • 6. 发明申请
    • THREE-DIMENSIONALLY CONTOURED, ACOUSTICALLY EFFECTIVE HEAT SHIELD FOR A MOTOR VEHICLE AND METHOD FOR THE PRODUCTION THEREOF
    • 三维电动机的三维有效的热屏蔽及其生产方法
    • US20160233736A1
    • 2016-08-11
    • US14995900
    • 2016-01-14
    • Carcoustics TechConsult GmbH
    • Christoph NachbaurChristian Fink
    • H02K5/18B23P15/26
    • H02K5/18B23P15/26B60R13/0876F01N2260/20F02B77/11
    • A three-dimensionally contoured, acoustically effective heat shield for a motor vehicle, includes a heat reflection layer made of a metallic material, such as aluminum, and an acoustic insulation layer made of a thermoformable, rubber-elastic and thermoplastic material, and a hot-melt adhesive film made of a polymer material. The adhesive film is disposed between the heat reflection layer and the insulation layer and forms a plane mechanical connection between the heat reflection layer and the insulation layer. A method for producing the three-dimensionally contoured, acoustically effective heat shield includes the steps of providing a two-dimensionally extending material composite and thermoforming the composite in a thermoforming tool, in which at least one mold half has a molding tool temperature that is above the activation temperature of the heat-activatable adhesive film and above the melting temperature of the rubber-elastic material of the insulation layer.
    • 用于机动车辆的三维轮廓,声学有效的热屏蔽包括由诸如铝的金属材料制成的热反射层和由可热成型的橡胶弹性和热塑性材料制成的隔音层,以及热的 由聚合物材料制成的粘合膜。 粘合膜设置在热反射层和绝缘层之间,并在热反射层和绝缘层之间形成平面机械连接。 用于制造三维轮廓的声学有效的热屏蔽的方法包括以下步骤:提供二维延伸的材料复合材料并在热成型工具中热成型复合材料,其中至少一个半模具有高于 可热活化的粘合剂膜的活化温度高于绝缘层的橡胶弹性材料的熔融温度。