Robert Boschgmbh

Alain-Bernard Isel

Markus Liedel

Dariusz Suarez-Seminario

Ray Cote

Daniel Klumpp

Eugen Stockmann

Serge Nako

A fan includes a hub configured to be driven by motor to rotate about a fan rotational axis, blades that protrude radially from the hub and a band that surrounds the rotational axis and connects the tips of the blades. The band includes structurally-reinforcing ribs that protrude from the hub-facing surface of the band. A rib is disposed between respective tips of each pair of adjacent blades. Each rib bridges a knit-line of the band, and has a circumferential dimension that is at least 40 percent of a distance between the respective tips of the adjacent blades.

Banded cooling fan band having knit-line strength improvement

In an electromechanical energy converter having an outer body and an inner body, which are mounted movably relative to one another about an axis of rotation, an outer body according to the invention surrounds an annular structural element, a permanent magnet and a support ring which is received concentrically in the structural element. The support ring comprises a recess to receive the permanent magnet, and the recess has a boundary surface which extends parallel as to a radius of the axis of rotation.

Outer body of an electromechanical energy converter

Growing community of inventors

Riedseltz, France

Alain-Bernard Isel