Heat pump apparatus
    1.
    发明授权
    Heat pump apparatus 失效
    热泵设备

    公开(公告)号:US4528823A

    公开(公告)日:1985-07-16

    申请号:US482608

    申请日:1983-04-06

    摘要: A heat pump apparatus has a main refrigerant circuit constituted by a closed loop including a compressor, condenser, gas-liquid separator, pressure reducer such as an expansion valve, and an evaporator. A shunting refrigerant line having a compressor, condenser and a pressure reducer means shunts from the gaseous phase portion of the gas-liquid separator of the main refrigerant circuit and merges in the evaporator of the main refrigerant circuit. The shunting refrigerant line may be constructed to have one or more compression stages.

    摘要翻译: 热泵装置具有由包括压缩机,冷凝器,气液分离器,膨胀阀等减压器和蒸发器的闭环构成的主制冷剂回路。 具有压缩机,冷凝器和减压器装置的分流制冷剂管线从主制冷剂回路的气液分离器的气相部分分流并且在主制冷剂回路的蒸发器中并入。 分流制冷剂管线可以被构造成具有一个或多个压缩级。

    Refrigerating apparatus
    3.
    发明授权
    Refrigerating apparatus 失效
    制冷装置

    公开(公告)号:US4435962A

    公开(公告)日:1984-03-13

    申请号:US276192

    申请日:1981-06-22

    摘要: A refrigerating apparatus including a first compressor, a condenser, a first pressure reducer a first evaporator, a second pressure reducer and a second evaporator connected together by lines to form a refrigerating circuit for a refrigerant to flow therethrough, wherein a second compressor is connected at its suction side to the second pressure reducer for receiving gaseous component of refrigerant from the first evaporator and connected at its discharge side to the line between the first compressor and the condenser. An evaporative pressure control valve may be mounted in the line between the first evaporator and the second pressure reducer or the line between the second pressure reducer and the second evaporator. A bypass line mounting an electromagnetic valve may connect the line between the first evaporator and the second pressure reducer to the line between the second pressure reducer and the second evaporator.

    摘要翻译: 一种制冷装置,包括第一压缩机,冷凝器,第一减压器,第一蒸发器,第二减压器和通过管路连接在一起的第二蒸发器,以形成制冷剂流过其中的制冷回路,其中第二压缩机连接在 其吸入侧连接到第二减压器,用于从第一蒸发器接收制冷剂的气体组分,并在其排出侧连接到第一压缩机和冷凝器之间的管线。 蒸发压力控制阀可以安装在第一蒸发器和第二减压器之间的管线中或第二减压器和第二蒸发器之间的管线中。 安装电磁阀的旁通管线可将第一蒸发器和第二减压器之间的管路连接到第二减压器和第二蒸发器之间的管路。

    Refrigerating system
    4.
    发明授权
    Refrigerating system 失效
    制冷系统

    公开(公告)号:US4122688A

    公开(公告)日:1978-10-31

    申请号:US816938

    申请日:1977-07-19

    摘要: A refrigerating system having, arranged to form a closed circuit, a refrigerant compressor, a condensor, a receiver and a plurality of sets of evaporators and expansion valves with all the sets connected in parallel with one another. The system further includes a throttle mounted in the circuit between the condenser and the receiver, a branch line and change-over valves for selectively connecting the circuit on the delivery side of the compressor to each evaporator and a passage connecting each evaporator to the receiver by bypassing the associated expansion valve, so that the refrigerantin the state of a compressed gas can be supplied to a desired evaporator to defrost the same and the refrigerant condensed in the defrosted evaporator can be returned to the receiver. The system further includes a bypass line having a throttle, connecting a gas compartment in the upper portion of the receiver to a line on the suction side of the compressor, for returning to the line on the suction side of the compressor, flash gas incorporated in the liquid refrigerant returned from the defrosted evaporator to the receiver.

    摘要翻译: 具有被设置为形成闭路的制冷系统,制冷剂压缩机,冷凝器,接收器和多组蒸发器和膨胀阀,其中所有组彼此并联连接。 该系统还包括安装在冷凝器和接收器之间的电路中的节气门,用于选择性地将压缩机的输出侧上的电路连接到每个蒸发器的分支管线和换向阀以及通过将每个蒸发器连接到接收器的通道 绕过相关联的膨胀阀,使得可将压缩气体状态的制冷剂供给到所需的蒸发器以使其除霜,并且在除霜蒸发器中冷凝的制冷剂可以返回到接收器。 该系统还包括具有节气门的旁通管线,将接收器上部的气室与压缩机的吸入侧的管路连接,以便返回到压缩机的吸入侧的管线, 液体制冷剂从解冻蒸发器返回到接收器。

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

    公开(公告)号:US4474026A

    公开(公告)日:1984-10-02

    申请号:US341328

    申请日:1982-01-21

    摘要: A refrigerating apparatus comprises two refrigerant circuits connected in a parallel fashion which include a common condenser. An evaporating temperature in an evaporator of one refrigerant circuit is set to a relatively high temperature compared with that of an evaporator of the other refrigerant circuit, so that a two-temperature evaporation type refrigerating apparatus is formed and a compressor of one refrigerant circuit can be intermittently driven for each predetermined time period in a forced manner. In a defrosting mode, the condenser is made to operate as an evaporator, whereby the evaporator included in the other refrigerant circuit is defrosted.

    摘要翻译: 制冷装置包括以平行方式连接的两个制冷剂回路,其包括公共冷凝器。 一个制冷剂回路的蒸发器中的蒸发温度与另一个制冷剂回路的蒸发器相比设定为相对较高的温度,从而形成双温蒸发式制冷装置,并且一个制冷剂回路的压缩机可以 以强制方式间歇地驱动每个预定时间段。 在除霜模式中,使冷凝器作为蒸发器工作,由此将包含在另一制冷剂回路中的蒸发器除霜。