Patent · US Active

Vane pump

US9011125B2 · kind B2 · utility

0Cited by

2References

4Claims

0Family size

Assignee

Joma-Polytec GmbH · DE

Inventors

Dirk Ehrenfeld · Reutlingen, DE
Willi Schneider · Bodelshausen, DE
Torsten Helle · Bingen, DE

Key dates

Filing date	Jul 27, 2011
Grant date	Apr 21, 2015
Priority date	—
Expiry date	Nov 7, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2250/20
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A vane pump includes at least one vane, a pump housing with a bottom and a lid, and a rotor rotatably mounted in the pump housing, with the at least one vane being slidingly mounted in a groove in the rotor and having at least one vane tip which protrudes from the outer peripheral surface of the rotor and rests upon the inner peripheral surface of the pump housing so that the vane defines with the bottom and the lid an intake chamber and a pressure chamber to respectively interact with a radially outer inlet opening and outlet opening in the bottom and/or in the lid, wherein the rotor is provided on the peripheral edge with a chamfer in facing relationship to the housing bottom and/or the housing lid having the inlet opening and/or outlet opening.

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