Patent · US Active

Wall ring for axial fan

US9074611B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

ebm-papst Mulfingen GmbH & Co. KG · DE

Inventors

Thomas Sauer · Rellingen, DE
Dieter Best · Ingelfingen, DE
Sven Beck · Assamstadt, DE
Christian Weiss · Birkenfeld, DE

Key dates

Filing date	Jun 11, 2012
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Nov 7, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/526
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a wall ring for an axial fan comprised of a supporting frame (1) on which a circular connecting piece (2) is formed, inside which the axial fan is arranged. The supporting frame (1) is assembled from a plurality of frame elements (6) by means of form and force-fitting connecting elements. The circular connecting piece (2) is formed of a plurality of circular segments (22) arranged circumferentially one after the other, said circular segments being connected to each other and to the supporting frame (1) by means of form and force-fitting or material-bonded connections or by such connection elements, respectively.

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