US Patent 12012970 Axial fan with openings in the hub
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US Patent 12012970 Axial fan with openings in the hub
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Patent abstract
The invention relates to an axial fan, having: a fan hub which is rotatable about a centre axis and has a bottom wall and an annularly circumferential side wall, a plurality of fan blades, which protrude from the annularly circumferential side wall of the fan hub, wherein the fan hub has a plurality of outlet openings for letting out gaseous, liquid and/or solid accumulations from the interior of the fan hub to the outside of the fan hub, wherein the plurality of passage openings are provided on the annularly circumferential side wall of the fan hub.
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Patent Number
Patent Inventor Names
Thomas Euler-Rolle0
Date of Patent
June 18, 2024
0Patent Application Number
177988650
Date Filed
February 11, 2021
0Patent Citations
Patent Primary Examiner
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