(19)
(11) EP 2 332 629 A8

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

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
20.06.2012 Bulletin 2012/25

(88) Date of publication A3:
15.06.2011 Bulletin 2011/24

(43) Date of publication:
15.06.2011 Bulletin 2011/24

(21) Application number: 09178611.1

(22) Date of filing: 10.12.2009
(51) International Patent Classification (IPC): 
B01D 46/00(2006.01)
B01D 29/35(2006.01)
 B01D 29/64(2006.01)
(84) Designated Contracting States:
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 SE SI SK SM TR

(30) Priority: 30.03.2009 IN MU07662009

(71) Applicant: Larsen & Toubro Limited
Mumbai (IN)

(72) Inventors:
  • Pathiyil, Rajiv Shankar
    P.O. Box No. 27, Mumbai (IN)
  • Waghmare, Sarang Balbhim
    P.O. Box No. 27, Mumbai (IN)

(74) Representative: Hellmich, Wolfgang 
Lortzingstrasse 9
81241 München
81241 München (DE)

   


(54) Self cleaning filter assembly


(57) The various embodiments herein a self cleaning filter assembly for fluid or fuel dispensers is disclosed. The self cleaning filter assembly has a filter casing (102) in which a filter unit provided with a filter chamber is arranged inside. A filter mesh element is arranged in the filter chamber to filter the dust particles in the A check valve assembly is arranged inside or outside the filter unit. The check valve is lifted or opened under the fluid pressure to permit the flow of the fluid. Pluralities of balls with bristles are arranged freely inside the filter unit so that the balls with bristles (104) get tumbled inside the filter chamber due to the fluid flow inside the filter chamber to rub the filter mesh element continuously to clean the surface of the filter element.