Centrifugal pumps and casings therefore
US12135038B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2022 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | Jul 19, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/669
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Single suction centrifugal pumps, pump casings, pump systems and vehicles for using pumps which include a single piece casing having a first cut-water wall and a second cut-water wall, corresponding joint-water paths communicating with respective discharge nozzles, the second cut-water wall spanning less than 180 degrees from a leading edge of the second cut-water wall to a trailing edge of the second cute-water wall, and in aspects, the discharge nozzles are offset from a horizontal centerline of a center opening of the casing, the cut-water walls define a diameter which is greater than 1.07 times the impeller diameter, and the diameter is constant for a portion of the walls and transitions to a varying diameter at trailing ends of the walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.