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    • 7. 发明公开
    • OIL EQUALIZING DEVICE, COMPRESSOR UNIT AND OIL EQUALIZING METHOD
    • ÖLAUSGLEICHSVORRICHTUNG,KOMPRESSOREINHEIT UNDÖLAUSGLEICHSVERFAHREN
    • EP2336681A1
    • 2011-06-22
    • EP09813971.0
    • 2009-09-17
    • Johnson Controls Technology CompanyJohnson Controls Building Efficiency Technology (WUXI) Company , Ltd.
    • ZHAI, StoneJI, XiuchengGU, Zhonghua
    • F25B31/00
    • F25B31/004F25B13/00F25B2313/0233F25B2313/0253F25B2400/075Y10S417/902
    • The present invention disclosures an oil balance device and a method for performing an oil balance operation between a plurality of compressor units, which are suitable for a conditioner units comprising two or more than two paralleled connected compressor units. Each compressor unit comprises one or more than one paralleled connected compressors. The oil balance device comprises an oil reservoir, a first pipe, a second pipe, a third pipe and a fourth pipe. The four pipes communicate with the oil reservoir respectively. Each pipe is provided with at least one valve to control the opening and the closing of the corresponding pipe. The first valve and the fourth valve are closed and the second valve and the third valve are opened if the compressor unit is in normal working condition; the first valve and the fourth valve are opened and the second valve and the third valve are closed if the compressor unit supplies oil; the second valve and the fourth valve are opened and the first valve and the third valve are closed, or the third valve and the fourth valve are opened and the first valve and the second valve are closed, if the compressor unit receives oil.
    • 本发明公开了一种用于在多个压缩机单元之间执行油平衡操作的油平衡装置和方法,所述多个压缩机单元适用于包括两个或两个以上平行连接的压缩机单元的调节器单元。 每个压缩机单元包括一个或多于一个平行连接的压缩机。 油平衡装置包括储油器,第一管,第二管,第三管和第四管。 四个管道分别与油库连通。 每个管道设置有至少一个阀门以控制相应管道的开启和关闭。 如果压缩机单元处于正常工作状态,第一阀和第四阀关闭,第二阀和第三阀打开; 如果压缩机单元供油,第一阀和第四阀打开,第二阀和第三阀关闭; 如果压缩机单元接收到油,则打开第二阀和第四阀,并且第一阀和第三阀关闭,或者第三阀和第四阀打开,并且第一阀和第二阀关闭。