比亚迪申请液压成型管梁副车架及车辆专利,使管梁重量更轻

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国家知识产权局信息显示,比亚迪股份有限公司申请一项名为“一种液压成型的管梁、副车架及车辆”的专利,公开号CN120716826A,申请日期为2025年04月。专利摘要显示,本申请提出一种液压成型的管梁、副车架及车辆,管梁包括在所述管梁长度延伸方向上,所述管梁包括中空贯通的管壁,所述管壁包括第一区域和第二区域;所述第一区域位于所述管梁应力集中区域,所述第一区域的管壁厚为T1;所述第二区域的管壁厚为...

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