| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an oil replenishing device for a refrigeration air conditioner capable of replenishing an oil for the refrigeration air conditioner to a screw-type compressor in maintenance, and replacing the oil for the refrigeration air conditioner of the compressor. <P>SOLUTION: This replenishing device 10 includes: a waste oil chamber 12 for storing waste oil recovered from the refrigeration air conditioner including the compressor; a replenishment oil chamber 14 communicated with the waste oil chamber 12 through a communication pipe 16 and storing the replenishment oil to be replenished to the refrigeration air conditioner; a high-pressure valve 18 connected to an upper region of the waste oil chamber 12 and connectable to a high pressure-side of the compressor; and a low pressure valve 24 connected to a bottom section of the replenishment oil chamber 14 and connectable to a low pressure side of the compressor. The communication pipe 16 is connected to top sections of the waste oil chamber 12 and the replenishment oil chamber 14. By applying this constitution, the oil can be replenished to the compressor, and further the oil of the compressor can be replaced. <P>COPYRIGHT: (C)2012,JPO&INPIT |
