US 12,473,931 B2
Fan assembly with a removable filter assembly
Philip Tennison Reilly, Gloucester (GB); and Ben Thomas Edmonds, Swindon (GB)
Assigned to Dyson Technology Limited, Malmesbury (GB)
Filed by Dyson Technology Limited, Malmesbury (GB)
Filed on Feb. 25, 2025, as Appl. No. 19/062,091.
Application 19/062,091 is a continuation of application No. 18/572,453, granted, now 12,258,978, previously published as PCT/GB2022/051317, filed on May 25, 2022.
Claims priority of application No. 2108929 (GB), filed on Jun. 22, 2021.
Prior Publication US 2025/0188954 A1, Jun. 12, 2025
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)] 20 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 engaged with the fan body and covering at least a portion of the inlet surface,
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, and
wherein, upon actuation of the filter retention assembly via the user interface, the filter is configured to immediately slide freely along the housing in a direction parallel to a longitudinal axis of the housing.