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    • 77. 发明申请
    • Noise filter
    • 噪声滤波器
    • US20070120635A1
    • 2007-05-31
    • US11598797
    • 2006-11-14
    • Katsumi KobayashiMasaru YaguchiSetu Tuchida
    • Katsumi KobayashiMasaru YaguchiSetu Tuchida
    • H01F38/20
    • H01F17/06H01F27/027H01F27/263H01F27/266H01F2017/065
    • An impact and vibration-resistant noise filter avoiding cracking of a core at the time of application of a vibration or impact. The noise filter includes a case and core. The case has a first case portion having a first wall portion, a second wall portion, and a first bottom wall portion. The first and second wall portions have first and second parting surfaces, respectively on the end surfaces thereof. The first bottom wall portion is positioned between the first and second wall portions. A first supporting piece 31B, whose base end is positioned on the side of the first bottom wall portion and whose free end extends toward the first parting surface, is formed on the first wall portion. Similarly, a second supporting piece is formed in the second wall portion. First and second presser pieces are formed respectively on the first and second bottom wall portions. The core is resiliently retained by the first and second supporting pieces, and first and the second presser pieces.
    • 抗冲击和抗振动的噪声过滤器可避免在施加振动或冲击时芯体开裂。 噪声滤波器包括壳体和磁芯。 壳体具有第一壳体部分,其具有第一壁部分,第二壁部分和第一底壁部分。 第一和第二壁部分别在其端面上具有第一和第二分离表面。 第一底壁部分位于第一和第二壁部分之间。 第一支撑件31B形成在第一壁部上,该第一支撑件31B的基端位于第一底壁部分的侧面并且其自由端朝向第一分离表面延伸。 类似地,第二支撑件形成在第二壁部分中。 第一和第二压脚分别形成在第一和第二底壁部分上。 芯由第一和第二支撑件以及第一和第二压紧件弹性地保持。