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    • 74. 发明申请
    • COOLING UNIT
    • 冷却单元
    • WO01035040A1
    • 2001-05-17
    • PCT/EP2000/010994
    • 2000-11-08
    • F25B1/10F25B49/02F25D29/00
    • F25D29/003F25B1/10F25B49/025F25B2400/13F25B2600/021F25B2600/2509F25B2700/2115Y02B30/741
    • To provide a transportable cooling unit (18) for maintaining a transport volume (16) at a defined temperature, comprising a closed cooling circuit (70) and a controller (90) sensing a temperature present within said transport volume and controlling said cooling circuit so as to provide the cooling power demanded at said evaporator (30) for maintaining said defined temperature and minimizing energy consumption, said controller operates said closed cooling circuit between a minimum possible cooling power and a maximum possible cooling power in a sequence of different operational stages at a compressor speed related cooling capacity different said other upper operational stages and within said respective upper operational stages said controller (90) operates a compressor (60) in an uninterrupted mode and adjusts said cooling power by stepless speed control of said compressor.
    • 为了提供一种可运输的冷却单元(18),用于将输送体积(16)保持在限定的温度,包括封闭的冷却回路(70)和控制器(90),所述控制器(90)感测所述输送体积内存在的温度并控制所述冷却回路 为了提供在所述蒸发器(30)处所需的用于维持所述限定温度并最小化能量消耗的冷却功率,所述控制器以不同的操作阶段的顺序在最小可能的冷却功率和最大可能的冷却功率之间操作所述封闭冷却回路 压缩机速度相关的冷却能力不同于所述其他上部操作级,并且在所述相应的上部操作级内,所述控制器(90)以不间断模式操作压缩机(60),并且通过所述压缩机的无级调速来调节所述冷却功率。
    • 76. 发明申请
    • REFRIGERATION SYSTEM
    • 冷却系统
    • WO2017017088A3
    • 2017-03-30
    • PCT/EP2016067759
    • 2016-07-26
    • BITZER KÜHLMASCHINENBAU GMBH
    • JAVERSCHEK OLIVER
    • F25B1/10F25B5/02F25B9/00F25B41/04F25B49/02
    • F25B1/10F25B5/02F25B9/008F25B41/04F25B49/02F25B2309/061F25B2341/0662F25B2400/0401F25B2400/0751F25B2400/23F25B2500/19F25B2600/0253F25B2600/2509F25B2600/2513F25B2600/2519F25B2700/1931F25B2700/2106F25B2700/21163Y02B30/741
    • Disclosed is a refrigeration system comprising a refrigerant circuit (10), a heat exchanger (34), an expansion member (38) which, in the active state, expands the entire mass flow (G) of the refrigerant, in said process generating a main mass flow (H) of liquid refrigerant and an additional mass flow (Z) of gaseous refrigerant, both of which enter an intermediate pressure accumulator (42), the refrigeration system further comprising at least one normal cooling stage (52) which expands a normal cooling mass flow (N) to a low pressure in at least one normal cooling expansion unit (54), in said process making available refrigerating power for normal cooling, the refrigeration system also comprising a refrigerant compressor unit (12) that compresses the normal cooling mass flow from the low pressure to a high pressure, and a parallel compressor (164) which, in a parallel compression mode of the refrigerant circuit, sucks in refrigerant from the intermediate pressure accumulator and compresses same to a high pressure. In order to increase the efficiency of a refrigeration system of this type, the power of the parallel compressor is controlled by a controller (40), the controller determines at least one reference variable representing a load condition of the refrigerant circuit, the controller determines a desired intermediate pressure value on the basis of the at least one reference variable at least during operation of the parallel compressor, and the controller adjusts the intermediate pressure in accordance with the desired intermediate pressure value at least during operation of the parallel compressor.
    • 为了扩展在包括制冷剂回路(10),热交换器(34),膨胀元件(38)处于活性状态的制冷剂的总质量流(G),从而液体制冷剂的主要质量流(H)和另外的质量流量的制冷系统 具有正常的冷却质量流(N)进入的中间蓄压器(42)的气体制冷剂产生的(Z),所述至少一个正常冷却级(52)在至少一个正常制冷扩展单元(54)膨胀至低压,并由此提供制冷功率到正常冷却是可用的, 低压的在高压制冷剂压缩机单元(12)压缩的正常冷却质量流,并且该吸入从中间压接收器的制冷剂循环的制冷剂的并列压缩动作和压缩至高压,以增加效率的并行压缩机(164)中,提出的是,并行压缩机 由控制器(40)是功率控制,使得至少所述控制识别的代表命令,所述控制器确定至少在基于所述至少一个命令的中间压力目标值的并行压缩机的操作,并且至少在平行压缩机的控制操作的中间压力的制冷循环的负载状态 调节对应于中间压力设定点。
    • 78. 发明申请
    • MULTI-COMPARTMENT TRANSPORT REFRIGERATION SYSTEM WITH ECONOMIZER
    • 具有经济效益的多层运输制冷系统
    • WO2017007877A1
    • 2017-01-12
    • PCT/US2016/041245
    • 2016-07-07
    • CARRIER CORPORATION
    • SENF, JR., Raymond L.STOCKBRIDGE, Michael
    • F25B5/02
    • F25D11/003F25B5/02F25B2341/0652F25B2400/13F25B2600/2509F25B2700/15F25D29/003Y02B30/72
    • A multi-compartment transport refrigeration system includes a compressor having suction port, discharge port and intermediate inlet port; a heat rejecting heat exchanger; an economizer heat exchanger having a first refrigerant flow path and a second refrigerant flow path therethrough; a first evaporator expansion device; a first evaporator having an inlet coupled to the first evaporator expansion device and an outlet coupled to a compressor inlet path, the first evaporator for cooling a first compartment of a container; a second evaporator expansion; a second evaporator having an inlet coupled to the second evaporator expansion device, the second evaporator for cooling a second compartment of the container; an economizer expansion device coupled to the first refrigerant flow path, the economizer expansion device directing refrigerant from the first refrigerant flow path to the second refrigerant flow path, the second refrigerant flow path coupled to the intermediate inlet port.
    • 多室运输制冷系统包括:具有吸入口,排出口和中间入口的压缩机; 排热热交换器; 节能器热交换器,其具有通过其的第一制冷剂流动路径和第二制冷剂流动路径; 第一蒸发器膨胀装置; 第一蒸发器,其具有联接到第一蒸发器膨胀装置的入口和连接到压缩机入口路径的出口,第一蒸发器,用于冷却容器的第一隔室; 第二蒸发器膨胀; 第二蒸发器,具有连接到第二蒸发器膨胀装置的入口,第二蒸发器,用于冷却容器的第二隔室; 节能器膨胀装置,其联接到第一制冷剂流动路径,节能器膨胀装置将制冷剂从第一制冷剂流动路径引导到第二制冷剂流动路径,第二制冷剂流动路径联接到中间入口。