| 摘要 |
A cooling system for a water-cooled engine having a cooling water jacket and installed in a vehicle, includes a cooling unit, an outlet pipe for supplying cooling water from a lower portion of the cooling unit to a lower portion of the jacket of the engine and inlet pipe for feeding the water from an upper portion of the jacket to an upper portion of the cooling unit. At least one auxiliary tank mounted on the vehicle or the like for containing cooling water is connected at a lower portion to the outlet pipe by a lower communication pipe and is also connected at an upper portion to the inlet pipe by an upper communication pipe. The cooling water in the inlet pipe partly flows through the upper communication pipe into the auxiliary tank, while the cooling water in the lower communication pipe joins the cooling water in the outlet pipe. The engine can be cooled with an increased amount of cooling water.
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