Patent · US Active

Inlet nozzle for a radial, diagonal or axial-flow fan, and a radial, diagonal or axial-flow fan comprising an inlet nozzle

US10975884B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

ZIEHL-ABEGG SE · DE

Inventors

Tobias Gauss · Niedernhall, DE
Daniel Seifried · Schwäbisch Hall, DE
Achim Kaercher · Forchtenberg, DE
Andreas Herbert · Mulfingen, DE

Key dates

Filing date	Apr 25, 2016
Grant date	Apr 13, 2021
Priority date	—
Expiry date	Apr 25, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2250/51
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An inlet nozzle (1) for a radial, diagonal or axial-flow fan, comprising an inlet section (3) that is circular in cross-section, has a radius of curvature, and tapers in diameter in the direction of flow (4), characterized by the presence of a measure or a flow element on or in the curved surface (5) of the inlet section for the purpose of forcing turbulent boundary layers in the flow, which can counteract a stall in this region. A radial, diagonal or axial-flow fan comprises a corresponding inlet nozzle (1).

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