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    • 72. 发明申请
    • Combined heating and cooling system
    • 组合式加热和冷却系统
    • US20030056530A1
    • 2003-03-27
    • US10216066
    • 2002-08-09
    • Jorgen H. Rogstam
    • F25B027/00
    • F25B30/02B60H1/00907B60H1/04B60H2001/00949F25B9/008F25B30/06F25B41/04F25B2309/061F25B2600/05
    • A combined refrigerant heating and cooling system comprises a compressor, an outside heat exchanger, an inside heat exchanger, a refrigerant-to-engine coolant heat exchanger, at least one refrigerant expansion device and at least one redirection device, wherein the arrangement is such that said compressor is switchable between a heat pump loop and a cooling loop by means of said redirection device, said heat pump loop comprising said inside heat exchanger, said refrigerant expansion device and said refrigerant-to-engine coolant heat exchanger, and said cooling loop comprising said outside heat exchanger and said inside heat exchanger. According to the invention, the outside heat exchanger is arranged in such a way that an outlet of said outside heat exchanger is connected to a connection point of said heat pump loop which in heat pump mode lies downstream of said refrigerant expansion device, e.g. between said refrigerant expansion device and said refrigerant-to-engine coolant heat exchanger.
    • 组合的制冷剂加热和冷却系统包括压缩机,外部热交换器,内部热交换器,制冷剂 - 发动机冷却剂热交换器,至少一个制冷剂膨胀装置和至少一个重定向装置,其中所述装置使得 所述压缩机可通过所述重定向装置在热泵回路和冷却回路之间切换,所述热泵回路包括所述内部热交换器,所述制冷剂膨胀装置和所述致冷剂 - 发动机冷却剂热交换器,所述冷却回路包括 所述外部热交换器和所述内部热交换器。 根据本发明,外部热交换器被布置成使得所述外部热交换器的出口连接到所述热泵回路的连接点,其在热泵模式中位于所述制冷剂膨胀装置的下游,例如, 在所述制冷剂膨胀装置和所述制冷剂与发动机冷却剂热交换器之间。
    • 73. 发明申请
    • Vehicle air-conditioning system
    • 车用空调系统
    • US20030046946A1
    • 2003-03-13
    • US10242140
    • 2002-09-10
    • Keisuke NagaiYoshiaki Takano
    • B60H003/00B61D027/00F25B027/00B60H001/32F25B013/00
    • B60H1/2218B60H1/00021B60H1/00735B60H1/00914B60H2001/00128B60H2001/00171
    • An air conditioning system for a vehicle has a plurality of heat enhancing means including at least a hot gas heater cycle for heating air blown into a passenger compartment by directly introducing a discharged gas refrigerant from a compressor into an interior heat exchanger. Additionally, an electric heater is provided as another passenger compartment heating enhancing means. When heat requirements are high (outside air temperature is low), both the hot gas heater cycle and the electric heater are activated, and when the heat requirements decrease, the hot gas heater cycle is deactivated first, and then the electric heater is deactivated. Therefore, the adverse effects of a vehicle compartment temperature that the driver is sensing can be avoided. Additionally, controlling vehicle window fogging associated with an operation of the hot gas heater cycle is possible.
    • 一种用于车辆的空调系统具有多个热增强装置,至少包括热气加热器循环,用于通过将排出的气体制冷剂从压缩机直接引入内部热交换器来加热吹入乘客室的空气。 另外,设置有电加热器作为另一乘客室加热增强装置。 当热量要求较高(室外空气温度低)时,热气加热器循环和电加热器都被激活,当热量要求降低时,首先停止热气加热器循环,然后电加热器停用。 因此,可以避免驾驶员感测到的车厢温度的不良影响。 此外,控制与热气体加热器循环的操作相关联的车窗雾化是可能的。
    • 79. 发明申请
    • Control device of variable displacement compressor
    • 变排量压缩机控制装置
    • US20020152763A1
    • 2002-10-24
    • US10060705
    • 2002-01-30
    • Masakazu MuraseNaoya Yokomachi
    • F25B001/00F25B027/00
    • B60H1/3208F04B27/1804F04B2027/1854F04B2201/0402F04B2201/0403F25B2309/061
    • An apparatus controls a variable displacement compressor used in a refrigerant circuit. The compressor includes a drive shaft, which is rotated by an engine. When the drive shaft rotates, the compressor compresses refrigerant sent from the external refrigerant circuit and discharges the compressed refrigerant to an external refrigerant circuit. When the displacement of the compressor is minimized, the circulation of refrigerant in the refrigerant circuit is stopped. The apparatus has a control mechanism for varying the pressure in the crank chamber. A detector detects a physical quantity that reflects the heating status of the compressor. When the compressor displacement is minimized and the quantity detected by the detector indicates that the heating status of the compressor is deteriorating, a controller commands the control mechanism such that the displacement of the compressor is greater than the minimum displacement.
    • 一种装置控制在制冷剂回路中使用的可变排量压缩机。 压缩机包括由发动机旋转的驱动轴。 当驱动轴旋转时,压缩机压缩从外部制冷剂回路输送的制冷剂,并将压缩的制冷剂排出到外部制冷剂回路。 当压缩机的排量最小时,制冷剂回路中的制冷剂循环停止。 该装置具有用于改变曲柄室中的压力的​​控制机构。 检测器检测反映压缩机的加热状态的物理量。 当压缩机排量最小并且由检测器检测到的量指示压缩机的加热状态恶化时,控制器命令控制机构使得压缩机的排量大于最小排量。