Patent ID: 8672615

Claim:
A diagonal fan, comprising a diagonal fan impeller fixed on a rotor of an external rotor motor and arranged between a front plate with a central inflow opening and a motor bracket, a plurality of circumferentially arranged spacers connecting the motor bracket to the front plate, the front plate and the motor bracket being injection molded parts, and the spacers being integrally formed with one of the front plate and the motor bracket as an injection molded part, further comprising that the diagonal fan impeller has an outflow direction of flow medium, that the spacers consist of flat webs having a cross-sectional profile with a width and a thickness, the thickness being smaller than the width, that the webs are oriented in such a manner that they run at an incline in the outflow direction, that the spacers and the motor bracket are molded in one piece, that the spacers have free ends that are mounted on the front plate via a detachable connection, and that each web includes a first web leg extending roughly radially outwards from a circumferential edge of the motor bracket and a second web leg running axially with respect to the motor bracket, wherein the first web leg transitions via an approximately 90° bend into the second web leg.