FAN BLADE ASSEMBLY
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United States of America Patent
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Issued Date -
Apr 27, 2023
app pub date -
Oct 25, 2022
filing date -
Oct 25, 2021
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Abstract
A fan blade assembly using air bearing features to reduce frictional losses, reduce physical wear and tear, and allow for faster acceleration of the fan blade within the assembly is disclosed. A fan blade housing incorporates inlets for pressurized air which create a pressurized area between the fan blade and the housing. The pressurized area functions as an air bearing interface and the fan blade is kept at a controlled distance from the fan blade housing as it spins. In an alternate embodiment, the fan blade assembly has pass-through inlets which use air pressure generated by the fan itself as it spins to provide the pressurized air for the pressurized area.
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