膨胀箱及箱盖在保持汽车发动机冷却液容量和压力方面至关重要。当发动机温度升高时,冷却液温度也随之升高,导致液体膨胀,冷却回路中的压力也随之升高。
膨胀箱会对这种体积变化进行补偿,而水箱盖则通过集成的泄压阀来调节压力变化。这两个部件共同确保车辆在运行时不会发生不可逆转的损坏。
膨胀箱的工作原理是利用冷却回路充水后的余量来补偿容量变化。另外,箱盖安装到膨胀箱上可确保冷却回路的密封性,并调节压力保持发动机最佳性能。
对膨胀箱及箱盖进行定期维护检查有助于防止泄漏和故障,确保车辆冷却系统正常运行。
标准节温器
电子节温器
电动节温器
刹车灯开关
膨胀箱
水法兰
散热器盖 & 膨胀箱盖
水温开关
进气压力传感器
节气门位置传感器
冷却管
氧传感器
凸轮轴 & 曲轴传感器
空气温度传感器
油压开关
温控开关
倒车灯开关
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