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    • 11. 发明授权
    • Hot-water heating apparatus
    • 热水加热装置
    • US5975421A
    • 1999-11-02
    • US902723
    • 1997-07-30
    • Koichi ItoYoshihiko OkumuraYoshimitsu InoueHikaru Sugi
    • Koichi ItoYoshihiko OkumuraYoshimitsu InoueHikaru Sugi
    • B60H1/00F28F27/02F24D3/00
    • F28F27/02B60H1/00485B60H1/00885
    • A flow-quantity control valve controlling hot-water flow to a heat exchanger and a bypass circuit allowing hot water to bypass the heat exchanger are provided along with a pressure-actuated valve in the bypass circuit which is responsive to a pressure increase of hot water from an engine. Inlet-side opening portions, outlet-side opening portions, and a bypass-side opening portion are provided in a control passage of a valve body of the flow-quantity control valve. Main flow of dynamic pressure of hot water sprayed from portions on a small opening-degree side act upon a valve body side of the pressure-actuated valve. Due to this, dynamic pressure of the hot water in a small opening-degree region of the flow-quantity control valve can be effectively used to increase a valve-lift quantity of the pressure-actuated valve, thereby reducing a fluctuation range of blown-air temperature of the heat exchanger. Also, the flow may be bent so that hot-water flow having a high dynamic-pressure component from the hot-water inlet pipe is not applied directly to the valve body of the differential-pressure valve; thus, lift of the differential-pressure valve can be prevented from becoming excessive, and a drop in heat-exchanger blown-air temperature at a predetermined opening-degree position of a flow-quantity control valve can effectively be suppressed.
    • 控制向热交换器的热水流动的流量控制阀和允许热水绕过热交换器的旁路回路与旁路回路中的压力致动阀一起设置,其响应于热水的压力增加 从发动机。 入口侧开口部,出口侧开口部和旁通侧开口部设置在流量控制阀的阀体的控制通路中。 从小开度侧的部分喷射的热水的主动力流动作用在压力致动阀的阀体侧。 由此,可以有效地利用流量控制阀的小开度区域中的热水的动态压力来增加压力致动阀的气门升程量,从而减小吹出 - 热交换器的空气温度。 此外,流动可以弯曲,使得来自热水入口管的具有高动态压力分量的热水流不直接施加到差压阀的阀体; 因此,可以防止差压阀的升高变得过大,并且可以有效地抑制流量控制阀的预定开度位置的热交换器吹出空气温度的下降。
    • 13. 发明授权
    • Vehicle air-conditioning system with heat exchanger having integrated
electric heaters and temperature control system
    • 具有集成电加热器和温度控制系统的换热器的车辆空调系统
    • US6037567A
    • 2000-03-14
    • US235182
    • 1999-01-22
    • Yoshimitsu InoueKoji TakahashiHajime Ito
    • Yoshimitsu InoueKoji TakahashiHajime Ito
    • B60H1/03B60H1/22
    • B60H1/2225B60H2001/2296
    • A vehicle air-conditioning system includes electric heating devices to accelerate a rise in temperature of air for heating a passenger compartment by accelerating a rise in temperature of warm water used to heat the air and by directly heating the air. Electric heating devices are built into a heat exchanger for heating so that the devices can release heat into surrounding air through radiating fins. When the system is in a heating operation region and the temperature of warm water available to flow through the heat exchanger is below a set temperature T.sub.2, the electric heating devices are turned on. A blower for blowing heating air into a passenger compartment through the heat exchanger is stopped, and a warm water valve is opened to allow the warm water to flow through the heat exchanger, whereupon heat from the electric heating devices is released through the radiating fins into the warm water inside the heat exchanger. When the temperature of the warm water rises above the set temperature T.sub.2, the blower is started, and heat from the electric heating devices is released through the radiating fins into the air blown by the blower.
    • 车辆空调系统包括电加热装置,用于通过加速用于加热空气的温水的升高和直接加热空气来加速用于加热乘客舱的空气的温度升高。 电加热装置内置在用于加热的热交换器中,使得装置可以通过散热片将热量释放到周围的空气中。 当系统处于加热操作区域并且可用于流过热交换器的温水的温度低于设定温度T2时,电加热装置被接通。 停止通过热交换器将加热空气吹入乘客室的鼓风机,打开温水阀,使温水流过热交换器,由此通过散热片将来自电加热装置的热量释放到 热交换器内的温水。 当温水的温度升高到设定温度T2以上时,鼓风机启动,来自电加热装置的热量通过散热片释放到由鼓风机吹送的空气中。