IP Library › Granted Patent US 12,678,524
Granted Patent B2
US 12,678,524 · App. 18/028,099 · Granted Jul 14, 2026

Self-cleaning domestic appliance

Inventors: Gemma Mcluckie (Poole, GB); Robert Matthew Stringer (Swindon, GB); Dennis Mathews (Bristol, GB); Nikian Naji Aghababaie (London, GB)
Assignee: DYSON TECHNOLOGY LIMITED
A61L2/10A45D20/12A61L2/084A61L9/20A45D2200/205A61L2202/11A61L2202/14A61L2209/12
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Quick Facts
Patent No.
US 12,678,524
App. No.
18/028,099
Filed
Mar 23, 2023
Granted
Jul 14, 2026
Kind
B2
Art Unit
1799
USPC
422/24
Abstract

A domestic appliance is provided including an air inlet, an air outlet with at least one nozzle, and a compressor configured to compress incoming air received at the inlet and to expel the compressed air through the at least one nozzle. The domestic appliance further includes at least one light source for emitting light in a violet portion of the visual spectrum, the at least one light source being arranged in such a way as to illuminate the at least one nozzle for the decontamination thereof.

Claims (10)

1 . A domestic appliance comprising: an air inlet, an air outlet with at least one nozzle wherein the air outlet is defined by the nozzle, a compressor configured to compress incoming air received at the inlet and to expel the compressed air through the at least one nozzle, and at least one light source for emitting light in a violet portion of the visual spectrum, the at least one light source is located circumferentially on the perimeter of the at least one nozzle in such a way as to illuminate the at least one nozzle for the decontamination thereof.

2 . The domestic appliance as claimed in claim 1 , wherein the at least one light source is configured for emitting light with a wavelength of about 405 nm.

3 . The domestic appliance as claimed in claim 1 , further comprising a controller, operatively coupled to and configured for timed control of the at least one light source.

4 . The domestic appliance as claimed in claim 3 , further comprising a decontamination button, operatively coupled to the controller, the controller being configured to activate the at least one light source in response to activation of the decontamination button.

5 . The domestic appliance as claimed in claim 3 , wherein the controller is operatively coupled to the compressor and configured to activate the at least one light source during a decontamination period, a start and/or a duration of the decontamination period depending on an on/off state of the compressor.

6 . The domestic appliance as claimed in claim 3 , wherein the domestic appliance is battery powered and wherein the at least one light source is activated when the domestic appliance is connected to a battery charger.

7 . The domestic appliance as claimed in claim 1 , further comprising a light guide, arranged to guide the emitted light from the at least one light source to the at least one nozzle.

8 . The domestic appliance as claimed in claim 1 , further comprising a filter for filtering the incoming air, the at least one light source being arranged in such a way as to illuminate the filter.

9 . The domestic appliance as claimed in claim 8 , further comprising a light guide, arranged to guide the emitted light from the at least one light source to the filter.

10 . The domestic appliance as claimed in claim 1 , wherein the domestic appliance is a fan, an air purifier, a hair dryer, or a wearable device.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 23, 2023
From: MCLUCKIE, GEMMA; STRINGER, ROBERT MATTHEW; MATHEWS, DENNIS; AGHABABAIE, NIKIAN NAJI
To: DYSON TECHNOLOGY LIMITED
Reel/Frame 064048/0833 →
Priority Claims (1)
GB 2015466 · Sep 30, 2020 · national
Continuity (1)
Related Publication 20230330285A1 · Oct 19, 2023
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