Patent · US Active

Gerotor pump

US7670122B2 · kind B2 · utility

14Cited by
7References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 15, 2006
Grant dateMar 2, 2010
Priority date
Expiry dateDec 17, 2027

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04C11/001
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A gerotor pump includes an outer rotor having a first toothed surface and lobes that extend inwards. An inner rotor is eccentrically aligned relative to the outer rotor and includes a second toothed surface and lobes that extend outwards. Planetary gears are located between the outer rotor and the inner rotor. Each planetary gear has a third toothed surface that intermeshes with the first toothed surface and the second toothed surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.