Patent · US Active

Gear pump

US11739750B2 · kind B2 · utility

0Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 20, 2020
Grant dateAug 29, 2023
Priority date
Expiry dateJul 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.