| 摘要 |
PROBLEM TO BE SOLVED: To provide a radiator internal pressure reducing structure capable of reducing radiator internal pressure by adding simple parts without the need to change a structure which is enhanced in the pressure resistance performance of a radiator itself with respect to a cooling liquid is increased in quantity and pressure according to the improvement of the performance of a water pump, and also enhancing the sealing of a joint between an inlet pipe and a radiator hose of an upper tank with respect to the increase in quantity and pressure according to improvement of the performance of the water pump. SOLUTION: In a radiator internal pressure reducing structure for reducing the internal pressure of a radiator that constitutes an engine cooling device, the structure includes a radiator 10 for cooling a cooling liquid discharged from the engine, an inlet radiator hose 20 connected between the engine and the radiator for leading the cooling liquid to the radiator, and a water pump 30 for pressure-feeding the cooling liquid from the radiator 10 to an engine cooling liquid system 16, wherein an orifice 54 is disposed at a connecting point between the inlet radiator hose 20 and the radiator 10. COPYRIGHT: (C)2009,JPO&INPIT
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