| 摘要 |
<p>A canned motor pump pressurized recirculation system which comprises a main unit and a recirculation line. The main unit includes a main pump, an auxiliary pump and motor means positioned between the main and the auxiliary pumps for driving the pumps. The recirculation line is positioned external of the main unit, and is connected thereto between the pumps. The recirculation line is adapted to pass fluid therethrough such that the fluid will be passed by the auxiliary pump through the motor means to the high pressure portion of the main pump.</p> |
