| 摘要 |
PURPOSE: An engine cooling system is provided to prevent a performance of a heater from being lowered by achieving a precise control with an inlet control manner and a simple structure with an outlet control manner. CONSTITUTION: An engine cooling system includes a water pump installed at an inlet of an engine(21) and a radiator(25) installed at an outlet of the engine(21). The water pump is operated simultaneously with the engine(21) so as to supply cooling water into the inlet of the engine while the engine(21) is being operated. The radiator(25) cools hot-temperature cooling water. When the water pump is driven, a cooling water route is selected by a thermostat(27), which is installed between the radiator(25) and the water pump. A heater(35) and a throttle body(37) are installed at an outlet of the engine(21).
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