METHODS AND APPARATUS FOR ENHANCING ELASTOMERIC STATOR INSERT MATERIAL PROPERTIES WITH RADIATION |
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| 申请号 | PCT/US2011061782 | 申请日 | 2011-11-22 | 公开(公告)号 | WO2012071378A3 | 公开(公告)日 | 2013-07-04 |
| 申请人 | NAT OILWELL VARCO LP; BUTUC STEFAN M; | 发明人 | BUTUC STEFAN M; | ||||
| 摘要 | A method for manufacturing a stator for a progressive cavity motor or pump comprises (a) forming an elastomeric stator insert. In addition, the method comprises (b) exposing the elastomeric stator insert to ionizing radiation. Further, the method comprises (c) positioning the elastomeric stator insert in a stator housing to form a stator. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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