| 发明名称 |
RECIPROCATING PUMP CONTROL SYSTEM |
| 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 th e pumpjack geometry which permits the conversion of rod speed profiles to crank speed profiles.
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| 申请公布号 |
CA2414646(A1) |
申请公布日期 |
2004.05.01 |
| 申请号 |
CA20022414646 |
申请日期 |
2002.12.17 |
| 申请人 |
POLYPHASE ENGINEERED CONTROLS |
发明人 |
WATSON, JEFF;AGGARWAL, RAMESH;UPADHYAY, HARI |
| 分类号 |
F04B47/02;F04B49/06;(IPC1-7):F04B49/00;F04B47/00 |
主分类号 |
F04B47/02 |
| 代理机构 |
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代理人 |
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