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AssigneeBrose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
InventorsAndre Evers, Franziska Rohm, Alexander Gass, Sascha Dresbach, Tilman Schafer
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The invention relates to a rotor hub assembly for an electric fan, in particular for a radiator fan of a motor vehicle, comprising a hub cup, which rotates during operation and which has air outlet guides on the inside of the hub cup, which air outlet guides are arranged and shaped in such a way that the air outlet guides guide and accelerate cooling air, wherein a magnetic return cup is arranged inside the hub cup, which return cup has air passage openings, which, together with the air outlet guides, form continuous air outlets for a cooling air flow from the pressure side to the vacuum side of the fan. The invention further relates to an electric fan having such a rotor assembly.
A rotor hub arrangement for an electric fan, comprising a hub cup which rotates during operation and comprises air escape guides on the inside thereof which are arranged and shaped in such a way that they guide and accelerate cool air, wherein a feedback cup is arranged inside the hub cup and comprises air passage openings which, together with the air escape guides, form continuous air outlets for a cool airflow from the pressure side to the underpressure side of the fan, wherein the air escape guides comprise ribs extending between the base of the hub cup and the feedback cup and the ribs extend in an arc shape in the radial and circumferential direction.
An electric fan comprising an electric motor, having a pressure side and an underpressure side, wherein the fan comprises a rotor hub arrangement for an electric fan, comprising a hub cup which rotates during operation and comprises air escape guides on the inside thereof which are arranged and shaped in such a way that they guide and accelerate cool air, wherein a feedback cup is arranged inside the hub cup and comprises air passage openings which, together with the air escape guides, form continuous air outlets for a cool airflow from the pressure side to the underpressure side of the fan and wherein the fans is formed and configured so as to convey air from the underpressure side to the pressure side.
A rotor hub arrangement for an electric fan, comprising a hub cup which rotates during operation and comprises air escape guides on the inside thereof which are arranged and shaped in such a way that they guide and accelerate cool air, wherein a feedback cup is arranged inside the hub cup and comprises air passage openings which, together with the air escape guides, form continuous air outlets for a cool airflow from the pressure side to the underpressure side of the fan, wherein the air escape guides each form a substantially radially orientated air outlet in the hub cup and the air outlet is formed countersunk in a depression in a base of the hub cup or is formed in a clearance in the circumferential wall of the hub cup.
Dependencies are inferred from the claim text.