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保时捷新发动机专利:双做功阶段 降低排放,提升效率
目前市场上的四冲程发动机采用“进气、压缩、做功、排气”步骤,总共四个冲程完成一个循环。而保时捷的这项专利中,描述了一种“进气、压缩、做功、压缩、做功、排气”的设计,其中有两个做功阶段,在单位时间内可以显著提高发动机的工作效率。
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10d
长城汽车在越南正式启动CKD工厂项目!
据长城汽车官微,近日,长城汽车与越南成安集团签署合作备忘录,双方将进行CKD组装合作。 依托长城汽车造车积淀,以及成安集团的本地化资源,2025年底,长城汽车要实现越南汽车越南造 ...
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