REFRIGERANT COMPRESSOR |
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| 申请号 | US15624772 | 申请日 | 2017-06-16 | 公开(公告)号 | US20180066700A1 | 公开(公告)日 | 2018-03-08 |
| 申请人 | Hitachi-Johnson Controls Air Conditioning, Inc.; | 发明人 | Yuko KOZUMA; Yasuaki IIZUKA; Mutsunori MATSUNAGA; Masaru OHTAHARA; | ||||
| 摘要 | A refrigerant compressor includes a compression mechanism portion, a drive portion, a crankshaft, a main bearing and an auxiliary bearing that support the crankshaft, and a sealed container that accommodates therein the compression mechanism portion, the drive portion, the crankshaft, the main bearing, and the auxiliary bearing. The auxiliary bearing is configured of an antifriction bearing and provided in an auxiliary bearing housing attached to the sealed container. The auxiliary bearing housing includes an opening for inserting the auxiliary bearing on the drive portion side, and includes a housing cover covering the opening. An insulating sleeve configured of an insulating material is provided between the crankshaft and the auxiliary bearing. The insulating sleeve includes a cylinder portion located between the crankshaft and the auxiliary bearing, and a flange portion located between the auxiliary bearing and the housing cover and extended in an outer diameter direction. | ||||||
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| 说明书全文 | |||||||
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