Patent · US Active

Integrated internal gear pump with an electric motor

US8113794B2 · kind B2 · utility

2Cited by

2References

3Claims

0Family size

Assignee

Joma-Polytec Kunststofftechnik GmbH · DE

Inventors

Willi Schneider · Bodelshausen, DE
Torsten Helle · Bingen, DE

Key dates

Filing date	Jan 6, 2010
Grant date	Feb 14, 2012
Priority date	—
Expiry date	Jun 20, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05C2225/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a rotor pump having an internally toothed outer ring and an externally toothed inner ring which is mounted therein and intermeshes therewith, wherein the outer ring and the inner ring are arranged axis-parallel to one another, and the axes of the outer ring and of the inner ring are at a distance from one another, and the outer ring is connected to a hollow shaft motor with a stator which is fitted with windings, and to a rotor which is rotatably mounted therein, characterized in that the outer ring forms the rotor of the hollow shaft motor.

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