Freezing device
    1.
    发明申请
    Freezing device 失效
    冷冻装置

    公开(公告)号:US20060272345A1

    公开(公告)日:2006-12-07

    申请号:US10551428

    申请日:2004-05-28

    IPC分类号: F25B47/00 F25B13/00 F25B1/10

    摘要: In a refrigerant circuit (20), a refrigerator circuit (110) and a freezing circuit (30) are connected in parallel to an outdoor circuit (40). In the freezing circuit (30), a freezer circuit (130) and a booster circuit (140) are connected in series. A booster compressor (141) and a four-way switch valve (142) are provided in the booster circuit (140). During the time when a freezer heat exchanger (131) performs cooling operation for cooling the inside air, refrigerant evaporated in the freezer heat exchanger (131) is compressed in the booster compressor (141), and then, is sucked into a variable capacitance compressor (41). On the other hand, during defrosting of the freezer heat exchanger (131), the refrigerant evaporated in a refrigerator heat exchanger (111) is compressed in the booster compressor (141), and then, is supplied to the freezer heat exchanger (131). The refrigerant condensed in the freezer heat exchanger (131) during the defrosting operation is sent back to the refrigerator heat exchanger (111).

    摘要翻译: 在制冷剂回路(20)中,与室外回路(40)并联连接有冰箱回路(110)和冷冻回路(30)。 在冷冻回路(30)中,冷冻回路(130)和升压回路(140)串联连接。 在升压电路(140)中设置增压压缩机(141)和四通切换阀(142)。 在冷冻热交换器(131)进行用于冷却内部空气的冷却运转的时间内,在冷冻热交换器(131)中蒸发的制冷剂在增压压缩机(141)中被压缩,然后被吸入可变电容压缩机 (41)。 另一方面,在冷冻热交换器131的除霜期间,在冷冻机热交换器111中蒸发的制冷剂在增压压缩机141中被压缩,然后供给到冷冻库热交换器131, 。 在除霜运转中在冷冻热交换器(131)中冷凝的制冷剂被送回到冰箱热交换器(111)。

    Freezing device
    2.
    发明授权
    Freezing device 失效
    冷冻装置

    公开(公告)号:US07305846B2

    公开(公告)日:2007-12-11

    申请号:US10551428

    申请日:2004-05-28

    IPC分类号: F25B47/00 F25B13/00

    摘要: In a refrigerant circuit (20), a refrigerator circuit (110) and a freezing circuit (30) are connected in parallel to an outdoor circuit (40). In the freezing circuit (30), a freezer circuit (130) and a booster circuit (140) are connected in series. A booster compressor (141) and a four-way switch valve (142) are provided in the booster circuit (140). During the time when a freezer heat exchanger (131) performs cooling operation for cooling the inside air, refrigerant evaporated in the freezer heat exchanger (131) is compressed in the booster compressor (141), and then, is sucked into a variable capacitance compressor (41). On the other hand, during defrosting of the freezer heat exchanger (131), the refrigerant evaporated in a refrigerator heat exchanger (111) is compressed in the booster compressor (141), and then, is supplied to the freezer heat exchanger (131). The refrigerant condensed in the freezer heat exchanger (131) during the defrosting operation is sent back to the refrigerator heat exchanger (111).

    摘要翻译: 在制冷剂回路(20)中,与室外回路(40)并联连接有冰箱回路(110)和冷冻回路(30)。 在冷冻回路(30)中,冷冻回路(130)和升压回路(140)串联连接。 在升压电路(140)中设置增压压缩机(141)和四通切换阀(142)。 在冷冻热交换器(131)进行用于冷却内部空气的冷却运转的时间内,在冷冻热交换器(131)中蒸发的制冷剂在增压压缩机(141)中被压缩,然后被吸入可变电容压缩机 (41)。 另一方面,在冷冻热交换器131的除霜期间,在冷冻机热交换器111中蒸发的制冷剂在增压压缩机141中被压缩,然后供给到冷冻热交换器131, 。 在除霜运转中在冷冻热交换器(131)中冷凝的制冷剂被送回到冰箱热交换器(111)。

    Refrigeration apparatus
    4.
    发明授权
    Refrigeration apparatus 失效
    制冷装置

    公开(公告)号:US07237405B2

    公开(公告)日:2007-07-03

    申请号:US10539070

    申请日:2004-10-05

    IPC分类号: F25B1/00

    摘要: In the case where a 100 percent heat recovery operation mode is performed without using an outdoor heat exchanger in a refrigeration apparatus which is provided with utilization-side heat exchangers of a plurality of piping systems and in which liquid-side communication lines are arranged into a single line, a backflow prevention mechanism (37) for preventing liquid refrigerant exiting an indoor heat exchanger (41) from flowing in a direction other than in the direction of cold storage and freeze storage heat exchangers (45, 51) is disposed for providing stable flow of refrigeration through the circuit even when the temperature of outside air is low, whereby the capability to provide refrigeration is prevented from degrading.

    摘要翻译: 在设置有多个管道系统的利用侧热交换器的制冷装置中,在不使用室外热交换器的情况下进行100%的热回收操作模式的情况下,其中液体侧通信线路被布置成 设置用于防止从室内热交换器(41)排出的液体制冷剂沿着除冷藏方向以外的方向流动的回流防止机构(37,51),用于提供稳定的 即使当外部空气的温度低时,也能够通过电路进行制冷,从而防止提供制冷的能力降低。

    Refrigeration apparatus
    5.
    发明授权
    Refrigeration apparatus 失效
    制冷装置

    公开(公告)号:US07752864B2

    公开(公告)日:2010-07-13

    申请号:US11659121

    申请日:2005-08-01

    IPC分类号: F25B13/00

    CPC分类号: F25B13/00 F25B2313/0231

    摘要: A refrigeration apparatus (1) is provided with a refrigerant circuit (1E) along which are connected a compressor (2), an outdoor heat exchanger (4), an expansion mechanism, an indoor heat exchanger (41) for providing room air conditioning, and a cooling heat exchanger (45, 51) for providing storage compartment cooling. The refrigerant circuit (1E) includes a discharge side three way switch valve (101) for varying the flow rate of a portion of the refrigerant which is discharged out of the compressor (2) and then distributed to the indoor heat exchanger (41) and the outdoor heat exchanger (4) during a heat recovery operation mode in which the indoor heat exchanger (41) and the outdoor heat exchanger (4) operate as condensers. As a result of such arrangement, even when the amount of heat obtained in the cooling heat exchanger (45, 51) exceeds the amount of heat required in the indoor heat exchanger (41), surplus heat is discharged without excessive decrease in the discharge pressure of the compressor (2).

    摘要翻译: 制冷装置(1)具备:制冷剂回路(1E),连接有压缩机(2),室外热交换器(4),膨胀机构,室内空调用的室内热交换器(41) 以及用于提供储藏室冷却的冷却热交换器(45,51)。 制冷剂回路(1E)包括排出侧三通切换阀(101),用于改变从压缩机(2)排出的一部分制冷剂的流量,然后分配到室内热交换器(41)和 在室内热交换器(41)和室外热交换器(4)作为冷凝器运转的热回收运转模式中的室外热交换器(4)。 作为这种结构的结果,即使在冷却热交换器(45,51)中获得的热量超过室内热交换器(41)所需的热量的情况下,也可以排出多余的热量而不会使排出压力过度降低 的压缩机(2)。

    Method for cleaning pipe and pipe cleaning apparatus for refrigerating apparatus
    6.
    发明授权
    Method for cleaning pipe and pipe cleaning apparatus for refrigerating apparatus 有权
    清洁冷冻设备管道清洁装置的方法

    公开(公告)号:US06321542B1

    公开(公告)日:2001-11-27

    申请号:US09402126

    申请日:1999-09-30

    IPC分类号: F25B4500

    摘要: A closed circuit (13) is formed such that the upper ends of preinstalled refrigerant pipes (2A, 2B) in a refrigerant circuit are connected to each other through an upper connecting passage (11) and the lower ends thereof are connected to each other through a lower connecting passage (12). A refrigerant is charged into the closed circuit (13). In a separator (50) of the lower connecting passage (12), a separating heat exchange coil (52) heats the liquid refrigerant to evaporate it, and a filter (53) captures foreign substance from the gas refrigerant. Two conveying heat exchangers (7A, 7B) of the lower connecting passage (12) alternately carry out a repetitive cooling operation of cooling the gas refrigerant, having been changed in phase by the separator (50), to change the phase from gas to liquid and a repetitive pressurizing operation of pressurizing the liquid refrigerant by heating the refrigerant to the extent kept in the liquid phase, respectively, thereby applying a running force to the refrigerant. The refrigerant cleans the preinstalled refrigerant pipes (2A, 2B) in a manner of circulating in the closed circuit (13) from the conveying heat exchangers (7A, 7B).

    摘要翻译: 闭合回路(13)形成为使得制冷剂回路中预先安装的制冷剂管道(2A,2B)的上端通过上连接通道(11)彼此连接,并且其下端通过 下连接通道(12)。 制冷剂被充入闭路(13)。 在下连接通路(12)的分离器(50)中,分离热交换线圈(52)加热液体制冷剂使其蒸发,过滤器(53)从气体制冷剂捕获异物。 下连接通道(12)的两个输送热交换器(7A,7B)交替地进行冷却由隔板(50)改变相位的气体制冷剂的重复冷却操作,以将相位从气体改变为液体 以及分别通过将制冷剂加热到液相的程度来对液体制冷剂加压的重复加压操作,从而向制冷剂施加行驶力。 制冷剂以从输送热交换器(7A,7B)的闭路(13)循环的方式清洗预先安装的制冷剂管(2A,2B)。

    Freezer
    7.
    发明申请
    Freezer 失效
    冰箱

    公开(公告)号:US20060123835A1

    公开(公告)日:2006-06-15

    申请号:US10539070

    申请日:2004-10-05

    IPC分类号: F25B13/00 F25B1/00

    摘要: In the case where a 100 percent heat recovery operation mode is performed without using an outdoor heat exchanger in a refrigeration apparatus which is provided with utilization-side heat exchangers of a plurality of piping systems and in which liquid-side communication lines are arranged into a single line, a backflow prevention mechanism (37) for preventing liquid refrigerant exiting an indoor heat exchanger (41) from flowing in a direction other than in the direction of cold storage and freeze storage heat exchangers (45, 51) is disposed for providing stable flow of refrigeration through the circuit even when the temperature of outside air is low, whereby the capability to provide refrigeration is prevented from degrading.

    摘要翻译: 在设置有多个管道系统的利用侧热交换器的制冷装置中,在不使用室外热交换器的情况下进行100%的热回收操作模式的情况下,其中液体侧通信线路被布置成 设置用于防止从室内热交换器(41)排出的液体制冷剂沿着除冷藏方向以外的方向流动的回流防止机构(37,51),用于提供稳定的 即使当外部空气的温度低时,也能够通过电路进行制冷,从而防止提供制冷的能力降低。

    Refrigeration system
    9.
    发明授权
    Refrigeration system 失效
    制冷系统

    公开(公告)号:US06722156B2

    公开(公告)日:2004-04-20

    申请号:US10162703

    申请日:2002-06-06

    IPC分类号: F25B110

    摘要: A refrigeration system includes a chiller unit and a freezer unit. The freezer unit is provided with a freezing compressor for compressing a refrigerant in a total of two stages together with a compressor in an outdoor unit. The freezing compressor is formed by an inverter compressor. An oil separator is disposed on the discharge pipe of the freezing compressor. On the inlet pipe of the freezing compressor, a heat exchanger is provided for cooling an inverter with an refrigeration oil separated by the oil separator and a suction refrigerant.

    摘要翻译: 制冷系统包括制冷机组和冷冻机组。 冷冻装置设有冷冻压缩机,用于将室内机组中的压缩机与总共两级的制冷剂一起压缩。 冷冻压缩机由变频压缩机形成。 油分离器设置在冷冻压缩机的排出管上。 在冷冻压缩机的入口管上设置热交换器,用于通过由油分离器和吸入制冷剂分离的冷冻机油来冷却逆变器。

    Refrigerant recovering apparatus and refrigerant recovering method
    10.
    发明授权
    Refrigerant recovering apparatus and refrigerant recovering method 失效
    制冷剂回收装置和制冷剂回收方法

    公开(公告)号:US06263691B1

    公开(公告)日:2001-07-24

    申请号:US09508362

    申请日:2000-03-10

    IPC分类号: F25B4500

    CPC分类号: F25B45/00 B01D19/0068

    摘要: This refrigerant recovery system is provided with recovery piping 2, heat exchangers 25, 26 and check valves 30, 31, 37, 38. A refrigerant within the recovery piping 2 is heated and cooled by the heat exchangers 25, 26, so that a fluid power is imparted to the refrigerant. This fluid power is regulated to one direction by the check valves 30, 31, 37, 38, by which the refrigerant is transferred in one way within the recovery piping 2. Thus, the refrigerant can be recovered from a gas line 3 and a liquid line 5 with high efficiency. Also, a degassing circuit 306 makes the gas refrigerant within the recovery container 71 merged with the refrigerant within the recovery piping 2 cooled by the heat exchanger 25 or 26, by which the recovery container 71 can be degassed. Also, the refrigerant can be recovered to the recovery container 71 smoothly, so that the refrigerant can be recovered efficiently.

    摘要翻译: 该制冷剂回收系统设置有回收管道2,热交换器25,26和止回阀30,31,37,38。回收管道2内的制冷剂被热交换器25,26加热和冷却,使得流体 动力被赋予制冷剂。 通过单向阀30,31,37,38将该流体动力调节到一个方向,通过该单向阀30,31,37,38,制冷剂在回收管道2内以一种方式传递。因此,制冷剂可以从气体管线3和液体 第5行效率高。 此外,脱气回路306使回收容器71内的气体制冷剂与由热交换器25,26冷却的回收配管2内的制冷剂合并,回收容器71通过该制冷剂脱气。 此外,制冷剂可以平稳地回收到回收容器71中,从而可以有效地回收制冷剂。