ELECTRICAL SUBMERSIBLE MOTOR |
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| 申请号 | US15569923 | 申请日 | 2016-04-28 | 公开(公告)号 | US20180149173A1 | 公开(公告)日 | 2018-05-31 |
| 申请人 | Coreteq Systems Ltd.; | 发明人 | Philip HEAD; Hassan MANSIR; | ||||
| 摘要 | A fluid system for a pump, which includes a downhole rotating shaft and bearings inside a housing, and where a fluid volume around shaft is circulated from outside housing through a filter, so that only clean non-abrasive fluid is permitted inside fluid volume pump to draw fluid around the shaft. A fluid expeller is included to expel fluid from the accumulated volume of fluid through the filter to purge the filter. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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