发明名称 |
AIR CONDITIONER |
摘要 |
When during a heating operation the value calculated by an oil amount calculation section (51) is equal to or above a predetermined value, a frequency control section (52) of a controller (50) increases the operating frequency of a compressor (21) in order to recover refrigerating machine oil in a refrigerant circuit (R). |
申请公布号 |
EP2128542(A1) |
申请公布日期 |
2009.12.02 |
申请号 |
EP20080703733 |
申请日期 |
2008.01.23 |
申请人 |
DAIKIN INDUSTRIES, LTD. |
发明人 |
KAWANO, SATOSHI;MATSUOKA, SHINYA |
分类号 |
F25B1/00;F25B31/00;F25B43/02 |
主分类号 |
F25B1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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