US 12,146,683 B2
Air treatment apparatus
Mark Joseph Staniforth, Bristol (GB); Akinlara Oladapo Akinjogbin, Essex (GB); and David Bardera Barbolla, Pamplona (ES)
Assigned to Dyson Technology Limited, Wiltshire (GB)
Appl. No. 17/418,086
Filed by Dyson Technology Limited, Wiltshire (GB)
PCT Filed Dec. 17, 2019, PCT No. PCT/GB2019/053591
§ 371(c)(1), (2) Date Jun. 24, 2021,
PCT Pub. No. WO2020/141312, PCT Pub. Date Jul. 9, 2020.
Claims priority of application No. 1900016 (GB), filed on Jan. 2, 2019; and application No. 1913167 (GB), filed on Sep. 12, 2019.
Prior Publication US 2022/0098059 A1, Mar. 31, 2022
Int. Cl. F24F 6/04 (2006.01); C02F 1/32 (2023.01); D02G 3/44 (2006.01); F24F 8/22 (2021.01); F24F 8/95 (2021.01); F24F 13/06 (2006.01); F24F 13/20 (2006.01); F24F 6/00 (2006.01)
CPC F24F 6/043 (2013.01) [C02F 1/325 (2013.01); D02G 3/449 (2013.01); F24F 6/04 (2013.01); F24F 8/22 (2021.01); F24F 8/95 (2021.01); F24F 13/06 (2013.01); F24F 13/20 (2013.01); C02F 2201/3222 (2013.01); C02F 2201/3228 (2013.01); C02F 2303/04 (2013.01); F24F 2006/006 (2013.01); F24F 2006/008 (2013.01); F24F 2006/046 (2013.01); F24F 2013/205 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An ultraviolet disinfection apparatus for disinfecting a supply of water, the ultraviolet disinfection apparatus comprising:
a water supply pipe arranged to convey the supply of water;
a water pump arranged to pump water from a water tank through the water supply pipe;
an ultraviolet light source arranged to irradiate water passing through the water supply pipe with ultraviolet light; and
a flow regulator that is arranged to ensure that the flow rate of water through the water supply pipe does not exceed a pre-defined maximum;
wherein the flow regulator comprises a receptacle that is arranged to receive water from the water pump and that is fluidically connected to the water supply pipe, and the receptacle comprises a crest that is arranged to allow water to flow out of the receptacle and back into the water tank, and wherein an inlet into the receptacle is provided at a lower end of the receptacle and the crest is provided at an upper end of the receptacle.