EP 4106900 A1 20221228 - FILTER SYSTEMS AND METHODS
Title (en)
FILTER SYSTEMS AND METHODS
Title (de)
FILTERSYSTEME UND -VERFAHREN
Title (fr)
SYSTÈMES ET PROCÉDÉS DE FILTRAGE
Publication
Application
Priority
- NO 20200216 A 20200219
- NO 2021050043 W 20210219
Abstract (en)
[origin: WO2021167469A1] A filter (100) having: a filter housing (10) having a fluid inlet (11) and a fluid outlet (12); an elongate filter screen (21) arranged in the filter housing (10) between the fluid inlet (11) and the fluid outlet (12); a cleaning member (22) movable relative to and adjacent the filter screen (21); a back-wash outlet (24) arranged at an inlet side (25) of the filter screen (21); wherein the cleaning member (22) is movable axially along a lead screw (23) arranged in the filter housing (10) by means of rotation of the lead screw (23) by a drive motor (26).
IPC 8 full level
B01D 29/35 (2006.01); B01D 29/64 (2006.01); B01D 29/68 (2006.01)
CPC (source: EP NO)
B01D 29/00 (2013.01 - NO); B01D 29/35 (2013.01 - EP); B01D 29/62 (2013.01 - NO); B01D 29/64 (2013.01 - NO); B01D 29/6484 (2013.01 - EP); B01D 29/682 (2013.01 - NO); B01D 29/684 (2013.01 - EP); C02F 1/001 (2013.01 - NO)
Citation (examination)
US 4379058 A 19830405 - BOLTON JOSEPH A
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2021167469 A1 20210826; EP 4106900 A1 20221228; NO 20200216 A1 20210820; NO 345889 B1 20210927
DOCDB simple family (application)
NO 2021050043 W 20210219; EP 21716242 A 20210219; NO 20200216 A 20200219