过滤器及其制造和使用方法
本申请涉及过滤器及其制造和使用方法。所述过滤器包括:具有流体入口端口的第一壳体构件;轴向地定位在该第一壳体构件下方的第二壳体构件,该第二壳体构件具有流体出口端口;设置在该第一壳体构件和该第二壳体构件之间的多孔过滤元件;和热塑性包覆模制件,该热塑性包覆模制件被模制在壳体构件的周边上,将壳体构件的周边密封在一起以形成容纳多孔过滤元件的内部容积,其中第一壳体构件包括径向侧壁,该径向侧壁包括至少一个轴向台阶,并且其中第二壳体构件包括基本上直线的径向侧壁。
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