Ebm-papst St. Georgen Gmbh & Co Kg

Johannes Dannecker

Wolfgang Laufer

Roland Keber

Tobias Sieger

Georg Eimer

Jürgen Herr

Arnold Schulde

Martin Müller

Dominik Haas

Simon Hoppe

Julien Grilliat

Clemens Günter

Ventilating fan

An axial ventilator () has a housing () and a fan wheel () arranged in the housing () to generate an axial air flow through the housing (). The fan wheel () has multiple fan wheel blades () that extend radially outward from a hub () up to a respective blade tip (). The blades extend spaced apart from an inner wall of the housing () via a head gap (). The fan wheel blades () have boreholes () along the respective blade tip ().

Axial ventilator having noise reducing fan wheel blades

Growing community of inventors

Schonach, Germany

Johannes Dannecker