| 发明名称 |
COAXIAL PUMPING APPARATUS WITH INTERNAL POWER FLUID COLUMN |
| 摘要 |
The present application relates generally to pumps, and more particularly to piston type pumps having increased energy efficiency, systems incorporating such piston type pumps, and methods of operating piston type pumps.
|
| 申请公布号 |
US2013287597(A1) |
申请公布日期 |
2013.10.31 |
| 申请号 |
US201313837326 |
申请日期 |
2013.03.15 |
| 申请人 |
HYDRO PACIFIC PUMPS INC.;HYDRO PACIFIC PUMPS INC. |
发明人 |
MCNICHOL RICHARD F.;EROUJENETS ALEXANDRE;FISHER NORM;VAN DEN BERG LUCAS |
| 分类号 |
F04B47/08 |
主分类号 |
F04B47/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
