(19)
(11) EP 2 217 858 A2

(12)

(88) Date of publication A3:
06.08.2009

(43) Date of publication:
18.08.2010 Bulletin 2010/33

(21) Application number: 08858195.4

(22) Date of filing: 01.12.2008
(51) International Patent Classification (IPC): 
F23H 11/10(2006.01)
 F23B 30/08(2006.01)
(86) International application number:
PCT/PL2008/000092
(87) International publication number:
WO 2009/072909 (11.06.2009 Gazette 2009/24)
(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 MT NL NO PL PT RO SE SI SK TR

(30) Priority: 03.12.2007 PL 38394107

(71) Applicant: Kowalewski, Witold
Ossowska 29 (PL)

(72) Inventor:
  • Kowalewski, Witold
    Ossowska 29 (PL)

(74) Representative: Adamczyk, Piotr 
Kancelaria Patentowa ul. Wilcza 70/8
00-670 Warszawa
00-670 Warszawa (PL)

   


(54) STOKER-FIRED BOILER, A METHOD OF MODERNIZATION OF STOKER-FIRED BOILERS AND A METHOD OF ELIMINATION OF UNCONTROLLED LEAKAGES OF AIR NOT TAKING PART IN THE COMBUSTION PROCESS IN A STOKER-FIRED BOILER