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US 2006/0233646 A1Published application
Fan wheel
Assigneeebm-papst Landshut GmbH
InventorsUlrich Vidal, Martin Hertreiter
Life of this patent
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Abstract
A fan wheel comprises a hub and a plurality of blades extending radially outwardly from the hub. A ring is arranged in coaxial relationship with the hub and radially between the hub and the outside periphery of the fan wheel. The ring has a plurality of defined fixing positions distributed over the periphery thereof for mounting at least one balancing weight.
Claims18
A fan wheel comprising:
- a hub,
- a plurality of blades extending at least substantially radially outwardly from the hub,
- a ring arranged in coaxial relationship with the hub and radially between the hub and the outside diameter of the fan wheel, and
- on the ring a plurality of defined fixing positions distributed over the periphery thereof for mounting at least one balancing weight.
1 more element
Dependencies are inferred from the claim text.