PREHEATING DEVICE FOR COMPRESSORS |
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| 申请号 | EP15868365 | 申请日 | 2015-12-04 | 公开(公告)号 | EP3232137A4 | 公开(公告)日 | 2018-07-25 |
| 申请人 | DAIKIN IND LTD; | 发明人 | ISHIZEKI SHINICHI; DOUMAE HIROSHI; KISHIWAKI YUUSUKE; FUJIWARA MASAHIDE; IKEDA MOTONOBU; | ||||
| 摘要 | A preheater for a compressor that is capable of heating a lubricant oil efficiently with smaller power is provided. A preheater (50) for a compressor (15) includes: a capacitive oil surface sensor (46) that is provided at a compressor (15) used in a refrigerating cycle, and detects an oil surface of a lubricant oil A in the compressor (15); and a power supply unit (45) that applies high-frequency voltage to the oil surface sensor (46). | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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