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US 2013/0093292 A1Published application
Fan module
AssigneeRobert Bosch GmbH
InventorsSamir Mahfoudh, Sebastian Hansen, Asli Arslan-Huerst
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Abstract
A fan (20) comprises a fan hub (22), fan blades (24) which are mounted on the fan hub (22), and a drive motor having an outer rotor (30), wherein the outer rotor (30) is arranged inside the fan hub (22). The outer rotor (30) is arranged in the fan hub (22) in such a way that the outer rotor (30) is supported in a radially outward direction on the radial outer wall (36) of the fan hub (22), by means of cooling fins (32) which are formed integrally with the fan hub (22).
Claims10
A fan (20), comprising:
- a fan hub (22),
- fan blades (24) which are mounted on the fan hub (22), and
- a drive motor having an outer rotor (30), wherein the outer rotor (30) is arranged inside the fan hub (22),
- characterized in that
- the outer rotor (30) is arranged in the fan hub (22) in such a way that the outer rotor (30) is supported in a radially outward direction on a radial outer wall (36) of the fan hub (22) by cooling fins (32) which are formed integrally with the fan hub (22).
2 more elements
Dependencies are inferred from the claim text.