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    • 2. 发明申请
    • Engine cooling systems
    • 发动机冷却系统
    • US20050199193A1
    • 2005-09-15
    • US11077539
    • 2005-03-07
    • William Hutchins
    • William Hutchins
    • F01P7/14F01P7/16F16K31/64
    • F01P7/165F01P2037/02F01P2060/04F01P2060/045F01P2060/08F01P2060/10
    • A heater diverter valve (20) is provided in an engine cooling system having a radiator and a circulating pump, The valve has a first inlet (31) connected to a heater so that coolant flowing through the engine and then through the heater is returned to the pump return line through the valve via the first inlet and an outlet (33). A second inlet (32) is connected to engine and transmission oil coolers so that coolant which flows from the engine supply line through the coolers is returned to the pump return line via the second inlet and the outlet. The valve includes a shuttle (24) which at lower coolant temperatures closes off the second inlet (32) to prevent coolant flow. The second inlet (32) is opened at higher temperatures when a wax type thermal actuator pushes the shuttle towards the first inlet (31).
    • 在具有散热器和循环泵的发动机冷却系统中设置有加热器换向阀(20)。该阀具有连接到加热器的第一入口(31),使得流过发动机然后通过加热器的冷却剂返回 所述泵通过所述第一入口和所述出口(33)通过所述阀返回管路。 第二入口(32)连接到发动机和变速器油冷却器,使得从发动机供应管路通过冷却器流动的冷却剂经由第二入口和出口返回到泵返回管路。 阀门包括梭子(24),其在较低的冷却剂温度下封闭第二入口(32)以防止冷却剂流动。 当蜡型热致动器将梭子朝向第一入口(31)推动时,第二入口(32)在较高温度下打开。