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    • 43. 发明申请
    • Air Conditioner
    • 冷气机
    • US20080223053A1
    • 2008-09-18
    • US10598037
    • 2005-02-04
    • Kenichi Suzuki
    • Kenichi Suzuki
    • F25B7/00F25B1/10
    • B60H1/3211B60H2001/3261B60H2001/3275F24F11/30F24F2110/10F24F2130/20F25B49/022F25B2400/0751F25B2500/19F25B2600/0253F25B2700/2104F25B2700/2106F25B2700/21173
    • An air conditioner includes a fixed displacement-type first compression mechanism and a variable displacement-type second compression mechanism independent from each other in a refrigeration cycle, and further includes second compression mechanism displacement control means, compression mechanism operation switching control means, an evaporator for refrigerant, a condenser, a blower, evaporator temperature detection means, and evaporator target temperature calculation means. When the refrigeration cycle is operated only by the first compression mechanism, referring to a temperature (Teva) detected by the evaporator temperature detection means, a temperature (Toff) calculated by the evaporator target temperature calculation means and a predetermined value A, if a condition of Teva−Toff≧A is satisfied, both compression mechanisms are operated simultaneously. The condition of required cooling ability is properly determined, an optimum control for air conditioning is realized, and the loss of consumption power and the like can be adequately suppressed.
    • 空调机包括在制冷循环中彼此独立的固定排量型第一压缩机构和可变排量型第二压缩机构,还包括第二压缩机构位移控制装置,压缩机构操作切换控制装置,蒸发器 制冷剂,冷凝器,鼓风机,蒸发器温度检测装置和蒸发器目标温度计算装置。 当仅通过第一压缩机构操作制冷循环时,参照由蒸发器温度检测装置检测到的温度(Teva),由蒸发器目标温度计算装置计算的温度(Toff)和预定值A,如果条件 的Teva-Toff> = A,两个压缩机构同时工作。 适当地确定所需的冷却能力的条件,实现空调的最佳控制,并且能够充分抑制消耗功率的损失等。
    • 45. 发明授权
    • Vapor compression refrigerating systems
    • 蒸汽压缩制冷系统
    • US07370493B2
    • 2008-05-13
    • US11567505
    • 2006-12-06
    • Kenichi SuzukiMasato TsuboiYuuichi Matsumoto
    • Kenichi SuzukiMasato TsuboiYuuichi Matsumoto
    • F25B41/00
    • F25B9/008F25B40/00F25B43/006F25B2309/061F25B2341/0662F25B2400/051F25B2400/053F25B2400/13F25B2400/23F25B2500/18
    • A vapor compression refrigerating system having a compressor, a radiator, a first pressure reducing mechanism for reducing a pressure of refrigerant cooled by the radiator, a refrigerant branching means for dividing refrigerant (m) reduced in pressure by the first pressure-reducing mechanism into portions, a second pressure reducing mechanism for reducing a pressure of one portion of refrigerant (m1), and a third pressure reducing mechanism for reducing a pressure of another portion of refrigerant (m2). One portion and pressure reduced refrigerant (m1′) exchanges heat in a cooler with refrigerant present between the first and third pressure reducing mechanisms, and another portion and pressure reduced refrigerant (m2′) is evaporated by an evaporator. The evaporated refrigerant (m2″) and the refrigerant (m1′) having passed through the cooler are mixed by a gas/liquid separator, and the mixed refrigerant is introduced into the compressor. In a vapor compression refrigerating system using carbon dioxide, the degree of refrigerant superheating at a suction side of the compressor may be reduced, and a coefficient of performance of the refrigerating cycle may be increased.
    • 一种具有压缩机,散热器,用于降低由散热器冷却的制冷剂的压力的第一减压机构的蒸气压缩式制冷装置,将由第一减压机构减压的制冷剂(m)分成制冷剂分支装置, 用于降低一部分制冷剂的压力的第二减压机构(m 1)和用于降低制冷剂的另一部分(m 2)的压力的第三减压机构。 一部分和减压制冷剂(m 1')在冷却器中与第一和第三减压机构之间存在的制冷剂进行热交换,另一部分和减压制冷剂(m 2')被蒸发器蒸发。 蒸发的制冷剂(m 2“)和通过冷却器的制冷剂(m 1')通过气/液分离器混合,混合制冷剂被引入压缩机。 在使用二氧化碳的蒸气压缩制冷系统中,可以降低压缩机的吸入侧的制冷剂过热度,并且可以提高制冷循环的性能系数。
    • 49. 发明申请
    • AIR CONDITIONING SYSTEMS FOR VEHICLES
    • 车辆空调系统
    • US20070144201A1
    • 2007-06-28
    • US11616171
    • 2006-12-26
    • Yuuichi MatsumotoMasato TsuboiKenichi Suzuki
    • Yuuichi MatsumotoMasato TsuboiKenichi Suzuki
    • B60H1/32F25B7/00F25B1/00
    • B60H1/323B60H2001/3295B60H2001/3297F25B7/00F25B9/008F25B9/06F25B40/02F25B2309/061
    • An air conditioning system for a vehicle includes a first refrigeration cycle, an expander, and a second refrigeration cycle. The first refrigeration cycle includes a first compressor, a first radiator, a first pressure reducer, an evaporator, and a gas/liquid separator. The expander is disposed on a first fluid communication path between the first radiator and the first pressure reducer. The second refrigeration cycle, which is provided as a cascade cycle, includes a second compressor powered by energy harnessed from adiabatic expansion of the refrigerant at the expander, thereby obviating the need for an additional power source for the second refrigeration cycle. A heat exchanger further is provided on a second fluid communication path in the second refrigeration cycle. The heat exchanger is configured to provide a heat exchange between refrigerant disposed within each of the respective first and second fluid communication paths.
    • 一种用于车辆的空调系统包括第一制冷循环,膨胀器和第二制冷循环。 第一制冷循环包括第一压缩机,第一散热器,第一减压器,蒸发器和气/液分离器。 膨胀机设置在第一散热器和第一减压器之间的第一流体连通路径上。 作为级联循环提供的第二制冷循环包括由膨胀器上的制冷剂的绝热膨胀所采用的能量驱动的第二压缩机,从而避免了对于第二制冷循环的附加动力源的需要。 另外在第二制冷循环中的第二流体连通路径上设置热交换器。 热交换器被配置为在布置在相应的第一和第二流体连通路径的每一个内的制冷剂之间提供热交换。
    • 50. 发明申请
    • Air conditioning system for vehicles
    • 车辆空调系统
    • US20070130975A1
    • 2007-06-14
    • US10598009
    • 2005-02-04
    • Masato TsuboiKenichi SuzukiTomonori Imai
    • Masato TsuboiKenichi SuzukiTomonori Imai
    • F25B49/00F25B1/10
    • F25B49/022B60H1/3204B60H2001/3261B60H2001/327F25B2400/0751F25B2500/19
    • An air conditioning system for vehicles includes a compressor and a variable displacement compressor provided in a refrigeration cycle, means for operating the variable displacement compressor, compressor operation switching means for switching the compressor operation between the compressor and the variable displacement compressor, and variable displacement compressor feedforward displacement value calculation means for calculating a displacement control value of the variable displacement compressor as an input to the refrigeration cycle so as to obtain a target control displacement after the compressor operation is switched. After the operation is switched from the compressor to the variable displacement compressor, the variable displacement compressor is started based on the calculated variable displacement compressor feedforward displacement value. When the flow rate of refrigerant varies greatly upon operation switching between the compressor and the variable displacement compressor, it is possible to suppress deterioration of the comfortable feeling of passengers.
    • 用于车辆的空调系统包括:制冷循环中的压缩机和可变排量压缩机,用于操作可变排量压缩机的装置,用于切换压缩机与可变排量压缩机之间的压缩机运行的压缩机运行切换装置;以及可变排量压缩机 前馈位移值计算装置,用于计算作为制冷循环的输入的可变排量压缩机的位移控制值,以便在压缩机操作切换之后获得目标控制位移。 在从压缩机切换到可变排量压缩机之后,基于计算的可变排量压缩机前馈位移值开始可变排量压缩机。 当在压缩机和可变排量压缩机之间的操作切换时制冷剂的流量变化很大时,可以抑制乘客的舒适感觉的恶化。