Global Patent Index - EP 4219823 A1

EP 4219823 A1 20230802 - DRYER WITH IMPROVED AIR TIGTHNESS OF A PROCESS AIR CIRCUIT AND PROCESS FOR OPERATING THE DRYER

Title (en)

DRYER WITH IMPROVED AIR TIGTHNESS OF A PROCESS AIR CIRCUIT AND PROCESS FOR OPERATING THE DRYER

Title (de)

TROCKNER MIT VERBESSERTER LUFTDICHTHEIT EINES PROZESSLUFTKREISLAUFES UND VERFAHREN ZUM BETREIBEN DES TROCKNERS

Title (fr)

SÉCHOIR PRÉSENTANT UNE MEILLEURE ÉTANCHÉITÉ À L'AIR D'UN CIRCUIT D'AIR DE TRAITEMENT ET PROCÉDÉ DE FONCTIONNEMENT DU SÉCHOIR

Publication

EP 4219823 A1 20230802 (EN)

Application

EP 22153373 A 20220126

Priority

EP 22153373 A 20220126

Abstract (en)

A dryer 1 comprising a drum 2 and a process air circuit 3, which includes a blower 12 ; a condensing device 18; a condensate collecting vessel 5; a condensate tank 6; an overflow container 8 in which the condensate tank 6 is placed; an electric pump unit 7 associated to the condensate collecting vessel 5; a pump conduit 9 fluidly connecting a pump outlet 35 to a condensate tank inlet 36; an overflow conduit 10 fluidly connecting the overflow container 8 to the condensate collecting vessel 5; wherein the pump conduit 9 and the overflow conduit 10 are adapted to conduct at least part of the water 22 that is transported from the condensate collecting vessel 5 towards the condensate tank 6 back to the condensate collecting vessel 5 without entering the condensate tank 6; and wherein an overflow siphon 24 is located in the overflow conduit 10.

IPC 8 full level

D06F 58/24 (2006.01); D06F 58/38 (2020.01); D06F 58/48 (2020.01); D06F 58/02 (2006.01); D06F 58/20 (2006.01); D06F 103/58 (2020.01); D06F 105/36 (2020.01)

CPC (source: CN EP)

D06F 58/20 (2013.01 - CN); D06F 58/24 (2013.01 - CN EP); D06F 58/36 (2020.02 - CN); D06F 58/38 (2020.02 - EP); D06F 58/48 (2020.02 - EP); D06F 58/02 (2013.01 - EP); D06F 58/206 (2013.01 - EP); D06F 2103/58 (2020.02 - EP); D06F 2105/36 (2020.02 - EP)

Citation (applicant)

Citation (search report)

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)

EP 4219823 A1 20230802; CN 116497577 A 20230728

DOCDB simple family (application)

EP 22153373 A 20220126; CN 202310062660 A 20230118