| 发明名称 |
PROGRESSING CAVITY PUMP/MOTOR |
| 摘要 |
<p>A progressing cavity pump/motor (10) includes a stator housing (12), a polymeric layer (14), and a rotor (16). A plurality of axially extending grooves (24) are formed in the interior surface of the stator housing for receiving polymeric material therein. At least one seal gland (46) adjacent an end of the polymeric layer maintains sealing between the stator housing and the polymeric layer.</p> |
| 申请公布号 |
CA2762358(A1) |
申请公布日期 |
2012.06.20 |
| 申请号 |
CA20112762358 |
申请日期 |
2011.12.16 |
| 申请人 |
ROBBINS & MYERS ENERGY SYSTEMS L.P. |
发明人 |
GUIDRY, MICHAEL J., JR. |
| 分类号 |
F04C15/00;F04B47/00;F04B53/16;F04C2/08;F04C5/00 |
主分类号 |
F04C15/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
