Center bushing to balance axial forces in multi-stage pumps
US10746189B2 · kind B2 · utility
0Cited by
33References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 7, 2017 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Apr 24, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/051
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A multi-stage pump featuring different stages configured to pump a fluid from a pump suction and to a pump discharge; and a center bushing configured between the different stages, having a center bushing side configured with pockets to balance axial forces between the different stages of the multistage pump. The pockets are configured as curved rib pockets, extruded circle or circular pockets, or full length rib pockets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.