| 发明名称 |
RECIPROCATING PUMP CONTROL SYSTEM AND METHOD THEREFOR |
| 摘要 |
A pumpjack speed control system includes a user interface, a controller and a variable speed drive. The user interface includes a mathematical representation of the pumpjack geometry which permits the conversion of rod speed profiles to crank speed profiles. |
| 申请公布号 |
EA007102(B1) |
申请公布日期 |
2006.06.30 |
| 申请号 |
EA20040000800 |
申请日期 |
2003.06.10 |
| 申请人 |
POLYPHASE ENGINEERED CONTROLS |
发明人 |
WATSON JEFF;AGGARWAL RAMESH;UPADHYAY HARI |
| 分类号 |
F04B47/02;F04B49/06 |
主分类号 |
F04B47/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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