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1. (WO2018121870) A LAUNDRY DRYER COMPRISING A FILTER ASSEMBLY AND A METHOD TO CLEAN A FILTER ASSEMBLY

Pub. No.:    WO/2018/121870    International Application No.:    PCT/EP2016/082886
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Fri Dec 30 00:59:59 CET 2016
IPC: D06F 58/22
Applicants: ELECTROLUX APPLIANCES AKTIEBOLAG
Inventors: DAL MOLIN, Rudy
EDENIUS, Michael
MAZZAROTTO, Nadir
MISSIO, Gabriele
REID, Nicola
ROSSI, Giuseppe
Title: A LAUNDRY DRYER COMPRISING A FILTER ASSEMBLY AND A METHOD TO CLEAN A FILTER ASSEMBLY
Abstract:
A method to clean a filter assembly (80, 80', 80", 90) in a laundry dryer, wherein the laundry dryer (1, 1') comprises: o a cabinet (2); o a drum (3) rotatably supported in the cabinet; o a duct (18) defining a flow passage for process air exiting the drum; o a filter assembly (80, 80', 80", 90) positioned at least partially in the duct (18) so as to filter process air flowing therein; said filter assembly including: ■ a frame (31); ■ a filter supported by the frame and defining a first filtering surface (32); ■ a cleaning device (33) for cleaning the first filtering surface including a first and a second portions (330, 331) movable one with respect to the other; characterised by comprising: o moving the first and/or the second portion (330, 331) so that it wipes said first filtering surface (32) in order to remove filtered material; o bringing said first and said second portion (330, 331) in contact to each other so as to form a closed volume (50); and o collecting said filtered material in said closed volume (50).