EP 3629867 A1 20200408 - CLEANING APPLIANCE
Title (en)
CLEANING APPLIANCE
Title (de)
REINIGUNGSGERÄT
Title (fr)
APPAREIL DE NETTOYAGE
Publication
Application
Priority
- DE 102017111910 A 20170531
- EP 2018062894 W 20180517
Abstract (en)
[origin: WO2018219666A1] 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.
IPC 8 full level
A47L 9/00 (2006.01)
CPC (source: EP)
A47L 9/0081 (2013.01); G10K 11/172 (2013.01)
Citation (search report)
See references of WO 2018219666A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2018219666 A1 20181206; DE 102017111910 A1 20181206; EP 3629867 A1 20200408
DOCDB simple family (application)
EP 2018062894 W 20180517; DE 102017111910 A 20170531; EP 18725228 A 20180517