REFRIGERANT CHARGING DEVICE, REFRIGERATION DEVICE, AND REFRIGERANT CHARGING METHOD
    51.
    发明公开
    REFRIGERANT CHARGING DEVICE, REFRIGERATION DEVICE, AND REFRIGERANT CHARGING METHOD 审中-公开
    冷却剂填充装置,冷却装置和冷却剂插入方法

    公开(公告)号:EP2136164A4

    公开(公告)日:2015-01-07

    申请号:EP08739995

    申请日:2008-04-07

    申请人: DAIKIN IND LTD

    IPC分类号: F25B45/00

    摘要: Suppression of variation in the charging time of refrigerant into a refrigerant circuit is enabled. A refrigerant charging device includes: an electric valve (49) provided in a supply pipe (47); a flow rate control unit (50) for controlling the degree of opening of the electric valve (49) such that the flow rate in the supply pipe (47) lies within a predetermined range, on the basis of a pressure difference between pressure of refrigerant supplied to the supply pipe (47) and the pressure of refrigerant on the suction side of a compressor (14); an outdoor air temperature sensor (36) for detecting outdoor air temperature; and a low-pressure side pressure sensor (34) for detecting refrigerant pressure on the suction side of the compressor (14). The pressure difference is a difference between a saturation pressure corresponding to the outdoor air temperature detected by the outdoor air temperature sensor (36) and refrigerant pressure detected by the low-pressure side pressure sensor (34).

    A METHOD OF OPERATING A REFRIGERANT RECOVERY AND RECHARGE DEVICE
    52.
    发明公开
    A METHOD OF OPERATING A REFRIGERANT RECOVERY AND RECHARGE DEVICE 审中-公开
    VERFAHREN ZUM BETRIEB EINERKÄLTEMITTELRÜCKGEWINNUNGS-UNDNACHFÜLLVORRICHTUNG

    公开(公告)号:EP2817573A1

    公开(公告)日:2014-12-31

    申请号:EP12844666.3

    申请日:2012-12-07

    发明人: RAJESH, Kashyap

    IPC分类号: F25B45/00

    摘要: A refrigerant recovery and recharge device and a method to operate the refrigerant recovery and recharge device is disclosed. The refrigerant recovery and recharge device (10) is adapted to be connected to refrigeration equipment (12). The device (10) comprises at least a valve block (14), an accumulator (16), a compressor (18) and a tank (20). The device (10) also comprises a first flow path (22) adapted to recover refrigerant from the refrigeration equipment (12) and a second flow path (24) adapted to recharge refrigerant to the refrigeration equipment (12). The device (10) is characterized by comprising a third flow (path 26) adapted to redirect refrigerant from tank (20) to accumulator 16; at least one valve (28) located in the third flow path (26) adapted to be actuated in a manner that allows redirection of refrigerant from tank (20) to accumulator (16); and a control unit (32) adapted to control actuation of at least one valve (28).

    摘要翻译: 公开了一种制冷剂回收和再充电装置以及操作制冷剂回收和再充电装置的方法。 制冷剂回收和补给装置(10)适于连接到制冷设备(12)。 装置(10)至少包括阀块(14),蓄能器(16),压缩机(18)和箱(20)。 装置(10)还包括适于从制冷设备(12)回收制冷剂的第一流动路径(22)和适于将制冷剂再循环到制冷设备(12)的第二流动路径(24)。 装置(10)的特征在于包括适于将制冷剂从罐(20)重新定向到蓄能器16的第三流(路径26) 位于第三流路(26)中的至少一个阀(28)适于以允许制冷剂从罐(20)重新定向到蓄能器(16)的方式致动; 以及适于控制至少一个阀(28)的致动的控制单元(32)。

    A METHOD OF MEASURING THE REFRIGERANT RECOVERED AND A REFRIGERANT RECOVERY AND RECHARGE DEVICE
    54.
    发明公开

    公开(公告)号:EP2661595A2

    公开(公告)日:2013-11-13

    申请号:EP11761305.9

    申请日:2011-08-29

    发明人: VENKATESH, Gk

    IPC分类号: F25B45/00

    摘要: A method of measuring weight of the refrigerant recovered and a device for refrigerant recovery and recharge device is disclosed. A connection is established between the refrigerant recovery path and refrigerant recharge path. Refrigerant is filled in the refrigerant recovery path and the refrigerant recharge path. Once the refrigerant occupies the all components of the refrigerant recovery and recharge device, weight of the refrigerant storage tank is measured. The weight of the refrigerant storage tank is measured once before the recovery of the refrigerant from the refrigeration equipment and once after recovery of the refrigerant from the refrigeration equipment. Difference in the weights measured before recovery and after recovery is calculated to a get the amount of refrigerant recovered.

    Filling system for transferring refrigerant to a refrigeration system and method of operating a filling system
    57.
    发明公开
    Filling system for transferring refrigerant to a refrigeration system and method of operating a filling system 审中-公开
    Kühlsystemund Verfahren zum Betreiben einesKühlsystems

    公开(公告)号:EP2562491A1

    公开(公告)日:2013-02-27

    申请号:EP11178644.8

    申请日:2011-08-24

    申请人: Robert Bosch GmbH

    发明人: Cording, Louis

    IPC分类号: F25B45/00

    摘要: A method of operating a filling system, which is configured for transferring a refrigerant to a refrigeration system (48) and comprises a receiver (28) for collecting a refrigerant-air-mixture, comprises the steps of determining the saturation pressure of the refrigerant at the actual environmental conditions; determining the air pressure of the refrigerant-air-mixture within the receiver (28); and stopping the operation of the filling system and/or issuing an alarm if the air pressure of the refrigerant-air-mixture within the receiver (28) exceeds the saturation pressure of the refrigerant by more than a predetermined margin or if the change of the air pressure within the refrigerant-air-mixture within the receiver over time exceeds a predetermined margin.

    摘要翻译: 一种操作填充系统的方法,其被配置为将制冷剂转移到制冷系统(48)并且包括用于收集制冷剂 - 空气混合物的接收器(28)的步骤包括以下步骤:确定制冷剂的饱和压力 实际环境条件; 确定接收器(28)内的制冷剂 - 空气混合物的空气压力; 并且如果接收器(28)内的制冷剂 - 空气混合物的空气压力超过制冷剂的饱和压力超过预定裕度,则停止填充系统的操作和/或发出报警,或者如果 接收器内的制冷剂 - 空气混合物内的空气压力随时间超过预定的余量。