Dual priming system for a pump
US11619235B2 · kind B2 · utility
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20References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Aug 17, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62C31/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A dual priming system connected with a centrifugal pump to evacuate gas therefrom includes a positive displacement pump fluidly connectable with the centrifugal pump and a venturi fluidly connectable with the centrifugal pump in parallel with the positive displacement pump. The dual priming system is operational in a first mode, wherein the positive displacement pump is inactive and the venturi is activated, and a second mode, wherein the positive displacement pump is activated and the venturi is activated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.