Global Patent Index - EP 3934811 A1

EP 3934811 A1 20220112 - ELECTROSTATIC FILTER UNIT FOR AN AIR-PURIFICATION DEVICE AND AIR-PURIFICATION DEVICE

Title (en)

ELECTROSTATIC FILTER UNIT FOR AN AIR-PURIFICATION DEVICE AND AIR-PURIFICATION DEVICE

Title (de)

ELEKTROSTATISCHE FILTEREINHEIT FÜR LUFTREINIGUNGSVORRICHTUNG UND LUFTREINIGUNGSVORRICHTUNG

Title (fr)

UNITÉ DE FILTRATION ÉLECTROSTATIQUE POUR UN DISPOSITIF DE PURIFICATION D'AIR ET DISPOSITIF DE PURIFICATION D'AIR

Publication

EP 3934811 A1 20220112 (DE)

Application

EP 20709518 A 20200227

Priority

  • DE 102019203032 A 20190306
  • EP 2020055213 W 20200227

Abstract (en)

[origin: WO2020178153A1] The invention relates to an electrostatic filter unit for an air-purification device, the filter unit (1) comprising an ionization unit (2) and a separation unit (3) with at least one voltage-carrying collecting electrode (30) and at least one grounded collecting electrode (31), characterized in that the at least two collecting electrodes (30, 31) are air-permeable.

IPC 8 full level

B03C 3/47 (2006.01); B03C 3/09 (2006.01); B03C 3/12 (2006.01); B03C 3/155 (2006.01); B03C 3/41 (2006.01)

CPC (source: EP US)

B03C 3/09 (2013.01 - EP US); B03C 3/12 (2013.01 - EP US); B03C 3/155 (2013.01 - EP); B03C 3/41 (2013.01 - EP US); B03C 3/47 (2013.01 - EP); B03C 2201/04 (2013.01 - EP US); B03C 2201/10 (2013.01 - EP)

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)

DE 102019203032 A1 20200910; CN 113573816 A 20211029; CN 113573816 B 20240705; EP 3934811 A1 20220112; EP 3934811 B1 20240717; US 2022134355 A1 20220505; WO 2020178153 A1 20200910

DOCDB simple family (application)

DE 102019203032 A 20190306; CN 202080018770 A 20200227; EP 2020055213 W 20200227; EP 20709518 A 20200227; US 202017424510 A 20200227