(19)
(11) EP 2 213 940 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.10.2017 Bulletin 2017/43

(43) Date of publication A2:
04.08.2010 Bulletin 2010/31

(21) Application number: 10000912.5

(22) Date of filing: 29.01.2010
(51) International Patent Classification (IPC): 
F23J 3/02(2006.01)
F28G 1/06(2006.01)
F24B 1/08(2006.01)
 F24H 9/00(2006.01)
F28G 15/04(2006.01)
F24B 13/00(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
Designated Extension States:
AL BA RS

(30) Priority: 30.01.2009 SE 0900102

(71) Applicant: Ulf Wikström Konsult AB
386 95 Färjestaden (SE)

(72) Inventor:
  • Wikström, Ulf
    386 95 Färjestaden (SE)

(74) Representative: Bergenstråhle Group AB 
P.O. Box 17704
118 93 Stockholm
118 93 Stockholm (SE)

   


(54) Cleaning device for pellet-fired heaters


(57) A pellet-fired stove or boiler with manual refuelling and with a mechanical device for clean-scraping of ash-coated convection ducts and for improving the heat transfer, and where the cleaning device is activated on opening and closing of the hatch for pellets refuelling.







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