Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Wūrzburg

Nord-micro Gmbh & Co. Ohg

Hochschule Düsseldorf University of Applied Sciences

Nord-micro Ag & Co. Ohg

Frank Kameier

Martin Steinert

Nils Springer

Michael Mauss

Dusan Vranjes

Gi-Don Na

The invention relates to a fan impeller () for a radiator fan module () in a motor vehicle as well as to a radiator fan module, the fan impeller comprising: a hub (), a shroud (), a plurality of blades () that extend from the hub () outward and are connected to each other via the shroud (), and a plurality of streamlining fins () which are located between the blades (), on the bottom side () of the shroud ().

Fan impeller and radiator fan module

The invention relates to a valve for controlling a fluid flow from a first environment to a second environment, having a frame for disposing a separating element in the region of an opening, said element separating the first environment from the second environment, and a first flap and a second flap for controlling the fluid flow through the opening between the first environment and the second environment, the flaps being movable in the frame. The flaps have protrusions designed to reduce noise generation in the fluid flow.

Outflow valve for an aircraft

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Düsseldorf, Germany

Frank Kameier