(19)
(11) EP 1 885 468 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
18.02.2015 Bulletin 2015/08

(45) Mention of the grant of the patent:
01.10.2014 Bulletin 2014/40

(21) Application number: 06784426.6

(22) Date of filing: 17.05.2006
(51) International Patent Classification (IPC): 
B01D 24/46(2006.01)
 B01D 24/24(2006.01)
(86) International application number:
PCT/US2006/018965
(87) International publication number:
WO 2006/130341 (07.12.2006 Gazette 2006/49)

(54)

APPARATUS AND METHOD FOR DISTRIBUTING GAS AND LIQUID DURING BACKWASH IN FILTER UNDERDRAIN FLUMES USING DUAL SEPARATION

VORRICHTUNG UND VERFAHREN ZUR VERTEILUNG VON GAS UND FLÜSSIGKEIT BEI DER RÜCKSPÜLUNG IN DIE FILTERABFLUSSKANÄLE MIT DOPPELTER TRENNUNG

APPAREIL ET PROCEDE DE DISTRIBUTION DE GAZ ET DE LIQUIDE PENDANT UN LAVAGE A CONTRE-COURANT DANS DES CANAUX DE DRAIN DE SORTIE DE FILTRE AU MOYEN D'UNE SEPARATION DUALE

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 17.05.2005 US 681592 P

(43) Date of publication of application:
13.02.2008 Bulletin 2008/07

(73) Proprietor: Xylem Water Solutions Zelienople, LLC
Zelienople, PA 16063 (US)

(72) Inventor:
  • GEIBEL, John, L.
    Butler, Pennsylvania 16001 (US)

(74) Representative: Van den Heuvel, Henricus Theodorus 
Patentwerk BV P.O. Box 1514
5200 BN 's-Hertogenbosch
5200 BN 's-Hertogenbosch (NL)


(56) References cited: : 
WO-A-98/04332
US-A- 5 296 138
US-B1- 6 312 611
 US-A- 4 627 923
US-B1- 6 306 310
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).