东风汽车申请一种门槛梁、车辆和门槛梁制造方法专利，可以使门槛梁兼具柱碰变形量小和成本低的优点

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国家知识产权局信息显示，东风汽车集团股份有限公司申请一项名为“一种门槛梁、车辆和门槛梁制造方法”的专利，公开号CN121493110A，申请日期为2025年11月。专利摘要显示，本发明提供一种门槛梁、车辆和门槛梁制造方法，包括管梁、加强梁以及吸能盒，所述管梁具有结构腔，所述加强梁位于所述管梁的结构腔内，且与所述管梁固定连接，所述吸能盒沿着车辆的前后方向从前往后依次设置在所述管梁上。本发明可以使门槛...

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