Gear Motor (Rear Axle Oil Cooler Fan)
示意图
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| 图 1 | g02000656 |
(1) 来自制动阀的油 (2) 方向阀 (3) 后桥风扇的旁通阀 (4) 来自行车制动蓄能器的机油 (5) 后桥油冷却器风扇的齿轮马达 (6) 安全阀 | |
系统操作
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| 图 2 | g02009559 |
(5) 后桥油冷却器风扇的齿轮马达 | |
齿轮马达 (5) 位于卡车后面和后桥上方。
机油从制动器阀 (1) 流至后桥风扇歧管中的方向阀 (2) 。 当制动器电子控制模块使后桥风扇 (3) 的旁通阀断电时，该阀阻止机油从行车制动蓄能器 (4) 流至方向阀 (2) 的右侧。 弹簧力将方向阀 (2) 移至右边，机油从制动器阀 (1) 流至齿轮马达 (5) 以驱动后桥风扇机油冷却器。
当制动器电子控制模块使后桥风扇 (3) 的旁通阀通电时，该阀将机油从行车制动蓄能器 (4) 引流到方向阀 (2) 的右端。 油压将方向阀移至左边，机油从制动器阀 (1) 流至油箱。 齿轮马达 (5) 停止转动。
安全阀 (6) 限制后桥润滑风扇系统中的油压。
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