US 12,258,978 B2
Fan assembly with a removable filter assembly
Philip Tennison Reilly, Gloucester (GB); and Ben Thomas Edmonds, Swindon (GB)
Assigned to Dyson Technology Limited, Wilthshire (GB)
Appl. No. 18/572,453
Filed by Dyson Technology Limited, Wiltshire (GB)
PCT Filed May 25, 2022, PCT No. PCT/GB2022/051317
§ 371(c)(1), (2) Date Dec. 20, 2023,
PCT Pub. No. WO2022/269223, PCT Pub. Date Dec. 29, 2022.
Claims priority of application No. 2108929.7 (GB), filed on Jun. 22, 2021.
Prior Publication US 2024/0309889 A1, Sep. 19, 2024
Int. Cl. F04D 29/70 (2006.01); F04D 25/08 (2006.01); F04D 29/44 (2006.01)
CPC F04D 29/703 (2013.01) [F04D 25/08 (2013.01); F04D 29/441 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A fan assembly comprising:
a fan body comprising an inlet surface defining an air inlet;
a motor-driven impeller contained within the fan body and arranged to generate an airflow; and
a filter assembly arranged to removably engage with the fan body and to cover at least a portion of the inlet surface when engaged with the fan body,
wherein the filter assembly comprises a filter and a housing for the filter, the housing being provided with a filter retention assembly for releasably retaining the filter in the housing and a user interface for actuating the filter retention assembly to release the filter from the housing,
wherein the user interface is positioned on a radially facing inner surface of the housing, and
wherein, upon actuation of the filter retention assembly via the user interface, the filter is free to slide relative to the housing.