Back to results
US 8,946,951 B2Granted
Fan module
AssigneeRobert Bosch GmbH
InventorsSamir Mahfoudh, Sebastian Hansen, Asli Arslan-Huerst
Life of this patent
Estimating the term…
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).
Claims19
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), wherein a return ring (38) of the outer rotor (30) is supported in a radially outward direction on the cooling fins (32) of the fan hub (22).
2 more elements
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), and wherein, when a maximum loading which is provided during operation occurs in a radially outer region of the fan hub (22), said fan hub (22) has a deformation of at maximum 0.2 mm.
2 more elements
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), and wherein, when a maximum loading which is provided during operation occurs in a radially outer region of the fan hub (22), said fan hub (22) has a deformation of a maximum of 0.08 mm.
2 more elements
Dependencies are inferred from the claim text.