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    • 5. 发明授权
    • Engine cooling system
    • 发动机冷却系统
    • US06688262B2
    • 2004-02-10
    • US10164375
    • 2002-06-10
    • Hiromichi MurakamiDaisuke YamamotoShigetaka YoshikawaYoshikazu ShinpoIsao Takagi
    • Hiromichi MurakamiDaisuke YamamotoShigetaka YoshikawaYoshikazu ShinpoIsao Takagi
    • F07P714
    • F01P3/20F01P7/167F01P2007/146F01P2025/32F01P2025/36F01P2025/62F01P2025/64F01P2031/30F01P2060/08F02B29/0443F02B29/0475F02M26/28F02M26/30F02M26/73
    • An engine cooling system controls a cooling degree of an engine 1 according to an operating condition thereof by circulating cooling water through the engine. This system is provided with a water temperature sensor 31 for detecting a cooling water temperature THW1, a flow rate regulating valve 8 for regulating a circulation flow rate of the cooling water, and an electronic control unit (ECU) 30 for controlling the valve 8. The ECU 30 sets a non-control region and a first and second control regions, each centering on a target water temperature to be calculated according to operating conditions of the engine 1. The ECU 30 controls the valve 8 to open and close at a high speed when the cooling water temperature THW1 is in the second control region, thereby to allow the cooling water temperature to approach the first control region or at a low speed when the cooling water temperature THW1 is in the first control region, thereby to allow the cooling water temperature to approach the non-control region, or holds the valve 8 at a current opening degree when the cooling water temperature THW1 is in the non-control region.
    • 发动机冷却系统通过将冷却水循环通过发动机,根据其发动机的运转条件来控制发动机1的冷却程度。 该系统设置有用于检测冷却水温度THW1的水温传感器31,用于调节冷却水的循环流量的流量调节阀8以及用于控制阀8的电子控制单元(ECU)30。 ECU30设置非控制区域和第一控制区域和第二控制区域,每个控制区域以根据发动机1的运行条件计算的目标水温为中心。ECU30控制阀8以高的位置打开和关闭 当冷却水温度THW1处于第二控制区域时,当冷却水温度THW1处于第一控制区域时,允许冷却水温度接近第一控制区域或低速,从而允许冷却水温度 水温接近非控制区域,或者当冷却水温度THW1处于非控制区域时,将阀8保持在电流开度。
    • 6. 发明授权
    • Cooling system for internal combustion engine
    • 内燃机冷却系统
    • US06857398B2
    • 2005-02-22
    • US10349932
    • 2003-01-24
    • Isao TakagiShigetaka YoshikawaYoshikazu Shinpo
    • Isao TakagiShigetaka YoshikawaYoshikazu Shinpo
    • F02D45/00F01P7/14F01P7/16
    • F01P7/167F01P2007/146F01P2023/08F01P2025/13F01P2025/32F01P2025/36F01P2025/62F01P2025/64F01P2025/66
    • A cooling system for an internal combustion engine includes a radiator provided in a coolant circulation path of the internal combustion engine, and an actuator that controls a flow rate of a coolant that passes through the radiator. In the cooling system, the actuator is controlled so that a coolant temperature of the engine becomes substantially equal to a target coolant temperature. The cooling system calculates a cooling loss as a quantity of heat removed from the engine by the coolant, based on an operating state of the engine, and calculates a required radiator flow rate, based on the cooling loss, the target coolant temperature, and a temperature of the coolant that has passed through the radiator. The required radiator flow rate represents a quantity of the coolant required to pass through the radiator so as to achieve the target coolant temperature. The cooling system then controls the actuator based on the required radiator flow rate.
    • 用于内燃机的冷却系统包括设置在内燃机的冷却剂循环路径中的散热器和控制通过散热器的冷却剂的流量的致动器。 在冷却系统中,致动器被控制,使得发动机的冷却剂温度基本上等于目标冷却剂温度。 冷却系统基于发动机的运转状态,计算作为冷却剂从发动机排出的热量的冷却损失,根据冷却损失,目标冷却剂温度,和 已经通过散热器的冷却剂的温度。 所需的散热器流量表示通过散热器所需的冷却剂的量,以达到目标冷却剂温度。 冷却系统然后根据所需的散热器流量来控制致动器。