(19)
(11) EP 1 311 787 A1

(12)

(43) Date of publication:
21.05.2003 Bulletin 2003/21

(21) Application number: 01958090.1

(22) Date of filing: 06.07.2001
(51) International Patent Classification (IPC)7: F23C 11/00
(86) International application number:
PCT/FI0100/647
(87) International publication number:
WO 0200/4861 (17.01.2002 Gazette 2002/03)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 06.07.2000 FI 20001616

(71) Applicant: Nirafon OY
15101 Lahti (FI)

(72) Inventors:
  • AHONEN, Heikki
    FIN-37720 Ritvala (FI)
  • SALMELA, Arttu
    FIN-15610 Lahti (FI)
  • KINNUNEN, Martti
    FIN-15150 Lahti (FI)

(74) Representative: Sundman, Christoffer et al
Seppo Laine Oy,Itämerenkatu 3 B
00180 Helsinki
00180 Helsinki (FI)

   


(54) EQUIPMENT AND METHOD FOR ENHANCING COMBUSTION AND HEAT TRANSFER IN A BOILER BY USING SOUND