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1. (WO2018219666) CLEANING APPLIANCE

Pub. No.:    WO/2018/219666    International Application No.:    PCT/EP2018/062894
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Fri May 18 01:59:59 CEST 2018
IPC: A47L 9/00
Applicants: ALFRED KÄRCHER SE & CO. KG
Inventors: SCHOLL, Dominik
EBERT, Florian
BENSING, Felix
GEORGIOU, Konstantin
ROBIEU, Thomas
Title: CLEANING APPLIANCE
Abstract:
The invention proposes a cleaning appliance which comprises a tonal-noise source, a flow-channelling device and a noise-reducing device, which is coupled to the flow-channelling device, wherein the noise-reducing device comprises at least one λ/4 resonator, which is adapted to the tonal-noise source, wherein the at least one λ/4 resonator is connected to at least one of the following devices: (i) at least one sound damper; (ii) a nozzle.