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    • 8. 发明授权
    • Automotive air conditioner
    • 汽车空调
    • US5884497A
    • 1999-03-23
    • US95342
    • 1998-06-10
    • Hiroshi KishitaYoshiaki TakanoSatoshi Mizutani
    • Hiroshi KishitaYoshiaki TakanoSatoshi Mizutani
    • B60H1/32F04B27/18F25B1/00F25B49/02
    • B60H1/3214B60H1/3205F04B27/1804B60H2001/3245B60H2001/3255B60H2001/3261B60H2001/3266B60H2001/3272B60H2001/3275B60H2001/3277B60H2001/3282F04B2027/1827F04B2027/1854F04B2027/1859F25B49/022
    • An automotive air conditioner which is capable of suppressing periodic torque variation in an engine-driven refrigerant compressor while ensuring performance of returning oil thereto to circumvent periodic variation in a rotational speed of an engine, thereby preventing degradation in motor power performance and drivability of an automobile. A value of target blowout temperature is calculated using a set temperature, indoor air temperature, outdoor air temperature and intensity of solar radiation. A value of first target post-evaporation temperature (TEO1) is calculated according to a determined value of target blowout temperature. Then, a value of second target post-evaporation temperature (TEO2) corresponding to a limit level for ensuring oil return performance is calculated according to the outdoor or indoor air temperature. Thereafter, using a value of first target post-evaporation temperature (TEO1) or second target post-evaporation temperature (TEO2), whichever is smaller, as a target post-evaporation temperature (TEO), a discharge capacity of the refrigerant compressor is controlled so that an actual post-evaporation temperature (TE) will meet the target post-evaporation temperature (TEO).
    • 一种能够抑制发动机驱动的制冷剂压缩机中的周期性转矩变化的汽车空调,同时确保返回油的性能以绕过发动机的转速的周期性变化,从而防止电动机功率性能和汽车驾驶性能的下降 。 使用设定温度,室内空气温度,室外空气温度和太阳辐射强度来计算目标井喷温度值。 根据目标喷出温度的确定值计算第一目标蒸发后温度(TEO1)的值。 然后,根据室外或室内空气温度计算与用于确保回油性能的极限水平相对应的第二目标蒸发后温度(TEO2)的值。 此后,使用第一目标后蒸发温度(TEO1)或第二目标后蒸发温度(TEO 2)的值(以较小者为准)作为目标蒸发后温度(TEO),控制制冷剂压缩机的放电容量 使得实际的蒸发后温度(TE)将达到目标蒸发后温度(TEO)。