Patent · US Active

Radial fan wheel arrangement

US8807949B2 · kind B2 · utility

8Cited by

9References

9Claims

0Family size

Assignee

emb-papst Mulfingen GmbH & Co. KG · DE

Inventors

Christian Hammel · Neuenstein, DE
Erhard Gruber · Satteldorf, DE
Oliver Haaf · Kupferzell, DE
Christian Haag · Assamstadt, DE
Michael Strehle · Ingelfingen, DE

Key dates

Filing date	Mar 14, 2011
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Apr 23, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/662
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A radial fan wheel arrangement includes a circular bottom plate (2) and a circular cover plate (3) with a central inflow opening (4), as well as wheel blades (6) running between the bottom plate (2) and the cover plate (3). Pocket-shaped recesses (9) are configured at least on one side of a plate surface in the space between the wheel blades (6) in an outer edge area of the cover plate (3) or the bottom plate (2) or both. At least one counterweight (13) is mounted on at least one of the two plates (2, 3) on a plate edge in an area of the pocket-shaped recesses (9).

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