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    • 3. 发明申请
    • A VEHICLE THERMAL SYSTEM COMPRISING AN EXHAUST GAS HEAT EXCHANGER
    • 一个包含排气换热器的车辆热系统
    • WO2002081241A1
    • 2002-10-17
    • PCT/GB2002/001618
    • 2002-04-05
    • CALSONIC KANSEI UK LIMITEDJACKSON, Adrian
    • JACKSON, Adrian
    • B60H1/20
    • B60H1/025
    • An exhaust gas heat exchanger is arranged for heat exchange between engine exhaust gas and coolant fluid in the engine coolant circuit, the engine coolant fluid comprises a substantially glycol-free fluid. A valve arrangement is reconfigurable between a first condition in which engine coolant is directed to the exhaust gas heat exchanger and a second condition in which engine coolant is inhibited from passing to the exhaust gas heat exchanger. Preferably an HVAC heat exchanger arranged for heat exchange between vehicle climate directed air and coolant in the engine coolant circuit. The invention utilises the counter-intuitive step of permitting coolant to boil/vaporise in the exhaust gas heat exchanger. By permitting the coolant to boil, the system can be significantly simplified in terms of both control and operation of component parts.
    • 排气热交换器布置成用于在发动机冷却剂回路中的发动机排气和冷却剂流体之间进行热交换,发动机冷却剂流体包含基本上无二醇的流体。 发动机冷却剂被引导到排气热交换器的第一状态和禁止发动机冷却剂通过排气热交换器的第二状态之间可以配置阀装置。 优选地,HVAC热交换器布置成用于车辆气候导向空气和发动机冷却剂回路中的冷却剂之间的热交换。 本发明利用在废气热交换器中允许冷却剂沸腾/蒸发的反直觉步骤。 通过允许冷却剂沸腾,可以在组件的控制和操作方面显着简化系统。