Gear pump
US11739750B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 20, 2020 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Jul 20, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal gear pump comprising: a ring with internal teeth delimiting a cavity and a gear disposed in the cavity, the gear comprising external teeth cooperating with the internal teeth to drive the ring in rotation, remarkable in that it comprises a pinion disposed in the cavity and driving the gear in rotation. The pinion cooperates with the external toothing of the gear. In an alternative embodiment, the gear comprises an internal toothing which cooperates with the pinion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.