- 专利标题： Centrifugal pump having a housing and a volute casing wherein the volute casing has a tear-drop shaped inner wall defined by a circular body region and a converging apex with the inner wall comprising a blocker below at least one perimeter end of one diffuser blade
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申请号： US17102851申请日： 2020-11-24
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公开(公告)号： US11193504B1公开(公告)日： 2021-12-07
- 发明人: Olaf Mjelde
- 申请人： AquaStar Pool Products, Inc.
- 申请人地址： US CA Ventura
- 专利权人： AquaStar Pool Products, Inc.
- 当前专利权人： AquaStar Pool Products, Inc.
- 当前专利权人地址： US CA Ventura
- 代理机构： Cislo & Thomas, LLP
- 主分类号： F04D29/70
- IPC分类号： F04D29/70 ; F04D29/02 ; F04D29/66 ; F04D29/44 ; F04D29/08
摘要：
A centrifugal pump to improve the efficiency of fluid flow, and minimize long term wear on the pump by progressively increasing fluid pressure as fluid moves from an eye of an impeller towards diffuser blades, into the volute and out through an outlet that is medio-laterally aligned with an inlet. The fluid pressure is increased by progressively increasing the volume through which the fluid travels. A tear-drop shaped volute casing surrounding the diffuser and impeller creates a pocket of maximum pressure just below the outlet. A dampener dampens the vibration of the motor. A cylindrical basket strainer is provided with a flat face abutting against the volute casing to distribute pressure evenly. A clamp ring is provided to easily seal and access the basket strainer using a plain rod.