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    • 5. 发明专利
    • Refrigerating cycle
    • 制冷循环
    • JP2011031678A
    • 2011-02-17
    • JP2009177992
    • 2009-07-30
    • Sanden Corpサンデン株式会社
    • ISHIZEKI TETSUYAINOUE ATSUOTSUBOI MASATOSUZUKI KENICHI
    • B60H1/32F25B1/00
    • F04B49/06B60H1/3216B60H2001/3273F04B2201/1202F25B40/02F25B2339/044F25B2339/0445F25B2341/0662F25B2500/19F25B2700/133F25B2700/171F25B2700/1933F25B2700/195
    • PROBLEM TO BE SOLVED: To provide a refrigerating cycle suitable for an air conditioner for a vehicle capable of precisely estimating coolant flow rate to be used for estimating compressor torque by accurately detecting a difference between pressures before and after an orifice having a high correlation with the coolant flow rate, and thereby highly accurately estimating the compressor torque and achieving the estimation, while saving spaces and reducing cost. SOLUTION: This refrigerating cycle includes a subcool capacitor which is integrally provided with a condensing part of coolant, a liquid receiver and a subcooling part. The orifice is arranged to restrict a flow of the coolant passing through the condensing part of the subcool capacitor. The refrigerating cycle includes a pressure difference detection means capable of detecting the difference between pressures before and after the orifice, a coolant flow rate estimation means for estimating the coolant flow rate by referring to the detected pressure difference and a compressor torque estimation means for estimating the compressor torque by referring to the estimated coolant flow rate. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种适用于车辆空调的制冷循环,其能够精确地估计用于估计压缩机转矩的冷却剂流量,通过精确地检测在具有高的孔的孔之前和之后的压力差 与冷却剂流量的相关性,从而高度准确地估计压缩机扭矩并实现估计,同时节省空间并降低成本。 解决方案:该制冷循环包括一体地设置有冷却剂的冷凝部分的冷却电容器,液体接收器和过冷部分。 孔口被布置成限制通过过冷却电容器的冷凝部分的冷却剂的流动。 制冷循环包括能够检测孔口前后的压力差的压力差检测单元,参照检测出的压力差估计冷却剂流量的冷却剂流量估计单元,以及压缩机转矩估计单元, 通过参考估计的冷却剂流量来计算压缩机扭矩。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Air conditioning device for vehicle
    • 车用空调装置
    • JP2010125979A
    • 2010-06-10
    • JP2008302494
    • 2008-11-27
    • Sanden Corpサンデン株式会社
    • SUZUKI KENICHITSUBOI MASATOINOUE ATSUOSAKURAI HIROTAKATANIGUCHI SATOSHIMIZOGUCHI NOBUO
    • B60H1/32F25B1/00
    • PROBLEM TO BE SOLVED: To provide an air conditioning device for a vehicle preventing fogging of window glass with an inexpensive configuration that uses information of the detected number of occupants in a cabin without depending on a humidity sensor inside the cabin.
      SOLUTION: The air conditioning device for a vehicle having a vapor compression refrigeration cycle equipped with a compressor unit, a radiator, and an evaporator, and adjusting temperature of air blowing into the cabin by adjusting an amount of cooling power of the evaporator, includes an occupant number detection means capable of detecting or estimating the number of the occupants in the cabin, and a means for adjusting the cooling power of the evaporator according to a detected or estimated number of the occupants when the number of the occupants is detected or estimated by the occupant number detection means.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于防止窗户玻璃雾化的空调装置,其中廉价的构造使用在客舱内使用检测到的乘客人数的信息而不依赖于舱室内的湿度传感器。 解决方案:具有蒸气压缩式制冷循环的车辆用空调装置,具有压缩机单元,散热器和蒸发器,并且通过调节蒸发器的冷却功率量来调节吹入机舱的空气的温度 包括能够检测或估计客舱中的乘客人数的乘客人数检测装置,以及当检测到乘客人数时,根据检测到或估计的乘客人数来调节蒸发器的冷却功率的装置 或由乘员数量检测装置估计。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Refrigerating cycle
    • 制冷循环
    • JP2007315687A
    • 2007-12-06
    • JP2006146324
    • 2006-05-26
    • Sanden Corpサンデン株式会社
    • SUZUKI KENICHITSUBOI MASATOMATSUMOTO YUICHI
    • F25B1/00F25B43/00
    • F25B43/006F25B1/10F25B9/008F25B2309/061F25B2341/0662F25B2400/13F25B2400/23F25B2500/18
    • PROBLEM TO BE SOLVED: To reduce costs by integrating a gas-liquid separating means and an expansion means, reducing the number of fastening means, and simplifying a structure of the whole cycle, in a vapor compression type refrigerating cycle provided with a gas injection cycle constitution.
      SOLUTION: The vapor compression type refrigerating cycle has a compressor 2, a radiator 3, a first pressure reducing means 5 for reducing a pressure of a coolant from the radiator, a first gas-liquid separating means for carrying out gas-liquid separation of the pressure-reduced coolant, a second pressure reducing means 6 for reducing a pressure of the coolant in a liquid phase state separated by the first gas-liquid separating means, an evaporator 8 evaporating the coolant pressure-reduced by the second pressure reducing means, and a second gas-liquid separating means for carrying out gas-liquid separation of the coolant evaporated by the evaporator. The coolant in a gaseous phase state separated by the second gas-liquid separating means is sent into a suction side of the compressor, and the coolant in a gaseous phase state separated by the first gas-liquid separating means is guided to a middle of a compressing process of the compressor.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了通过集成气液分离装置和膨胀装置来降低成本,减少紧固装置的数量并简化整个循环的结构,在具有 气体注射循环构成。 解决方案:蒸气压缩式制冷循环具有压缩机2,散热器3,用于降低来自散热器的冷却剂的压力的第一减压装置5,用于进行气液的第一气液分离装置 减压冷却剂的分离;第二减压装置6,用于降低由第一气液分离装置分离的液相状态的冷却剂的压力;蒸发器8蒸发由第二压力降低压缩的冷却剂 以及用于进行由蒸发器蒸发的冷却剂的气液分离的第二气液分离装置。 由第二气液分离装置分离的处于气相状态的冷却剂被送入压缩机的吸入侧,由第一气液分离装置分离的气相状态的冷却剂被引导到 压缩机的压缩过程。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Vapor compression type refrigerating cycle
    • 蒸汽压缩式制冷循环
    • JP2007155229A
    • 2007-06-21
    • JP2005351750
    • 2005-12-06
    • Sanden Corpサンデン株式会社
    • SUZUKI KENICHITSUBOI MASATOMATSUMOTO YUICHI
    • F25B1/00F25B40/00
    • F25B9/008F25B40/00F25B43/006F25B2309/061F25B2341/0662F25B2400/051F25B2400/053F25B2400/13F25B2400/23F25B2500/18
    • PROBLEM TO BE SOLVED: To improve a coefficient of performance of a refrigerating cycle by reducing a degree of superheat of a compressor suction side coolant, in regard to a vapor compression type refrigerating cycle using carbon dioxide being a natural coolant as a coolant.
      SOLUTION: The vapor compression type refrigerating cycle is operable in a supercritical state, and it is characterized by that the coolant compressed by a compressor is cooled by a radiator, pressure reduction of the cooled coolant is carried out by a first pressure reducing means, the pressure-reduced coolant m is branched off by a coolant branching means, pressure reduction of one of the branched coolant m1 is carried out by a second pressure reducing means, a cooler is provided for carrying out heat exchange between the pressure-reduced coolant m1' and the coolant between the first pressure reducing means and a third pressure reducing means, pressure reduction of the other coolant m2 branched off by the coolant branching means is carried out by the third pressure reducing means, the pressure-reduced coolant m2' is evaporated by an evaporator, the evaporated coolant m2'' and coolant m1' after passing the cooler are mixed by a gas-liquid separator separating the coolant into gas and liquid, and the mixed coolant is guided to the compressor.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过减少压缩机吸入侧冷却剂的过热度来提高制冷循环的性能系数,关于使用作为冷却剂的天然冷却剂的二氧化碳的蒸气压缩式制冷循环 。 解决方案:蒸汽压缩式制冷循环在超临界状态下可操作,其特征在于由压缩机压缩的冷却剂由散热器冷却,冷却的冷却剂的减压通过第一减压 意味着减压冷却剂m由冷却剂分支装置分支,分支冷却剂m1中的一个的减压由第二减压装置进行,提供冷却器,用于在减压装置之间进行热交换 冷却剂m1'和第一减压装置和第三减压装置之间的冷却剂,由冷却剂分支装置分支的另一冷却剂m2的压力降低由第三减压装置,减压冷却剂m2' 通过蒸发器蒸发,通过冷却器后蒸发的冷却剂m2“和冷却剂m1'通过将冷却剂分离成气体的气液分离器混合 d液体,并将混合的冷却剂引导到压缩机。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Air conditioner for vehicle
    • 车用空调
    • JP2006001505A
    • 2006-01-05
    • JP2004182610
    • 2004-06-21
    • Sanden Corpサンデン株式会社
    • IMAI TOMONORITSUBOI MASATO
    • B60H1/32F02D29/04F25B49/00
    • B60H1/3208B60H2001/3238
    • PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle capable of estimating compressor torque with high accuracy at the whole area of a saturation area where the delivery capacity of a variable displacement compressor becomes maximum and a capacity control area where the delivery capacity is not maximum.
      SOLUTION: The air conditioner for the vehicle is provided with a refrigeration cycle provided with at least the variable displacement compressor, a condenser and an evaporator; and a capacity adjustment means for outputting a capacity control signal to the compressor. The air conditioner for the vehicle is characterized in that it has at least two torque estimation means of a saturation area torque estimation means corresponding to the case where the compressor is driven at the maximum delivery capacity and a capacity control area torque estimation means corresponding to the case where it is driven at the delivery capacity other than the maximum delivery capacity as a torque operation means for operating the torque of the compressor.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于能够在可变排量压缩机的输送能力最大的饱和区域的整个区域以高精度估计压缩机转矩的车辆空调器,以及容量控制区域,其中, 交货能力不是最大。 解决方案:用于车辆的空调器设置有至少设置有可变排量压缩机,冷凝器和蒸发器的制冷循环; 以及用于向压缩机输出容量控制信号的容量调整装置。 车辆用空调机的特征在于,具有至少两个扭矩估计装置,该扭矩估计装置是与压缩机以最大输送能力驱动的情况相对应的饱和区域扭矩估计装置和对应于压缩机的容量控制区域扭矩估计装置 其以除了最大输送能力之外的输送能力被驱动作为用于操作压缩机的扭矩的扭矩操作装置的情况。 版权所有(C)2006,JPO&NCIPI