(19)
(11) EP 0 926 439 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.07.2000 Bulletin 2000/28

(43) Date of publication A2:
30.06.1999 Bulletin 1999/26

(21) Application number: 98124458.5

(22) Date of filing: 23.12.1998
(51) International Patent Classification (IPC)7: F23D 14/60, F23D 14/58, F23D 14/30, F24H 1/28, F23N 1/02
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.12.1997 DE 29722677 U
24.03.1998 EP 98830175

(71) Applicant: Montini, Renato
37010 Costermano (Verona) (IT)

(72) Inventor:
  • Montini, Renato
    37010 Costermano (Verona) (IT)

(74) Representative: Modiano, Guido, Dr.-Ing. et al
Modiano & Associati SpA Via Meravigli, 16
20123 Milano
20123 Milano (IT)

   


(54) Gas-fired boiler


(57) A gas-fired boiler (10) provided with: a burner (16) arranged in a firebox (18); a gas/water heat exchanger (20) arranged around the firebox and provided with a system of flat pipes (22) for the conveyance of the burnt gases (14) arranged in a radial pattern and provided with lateral recesses (106; 24) for noise reduction; a mixer (28) for supplying a gas-air mix to the burner, structured so that the pressure of the gas-air mix is constant regardless of the amount of mix supplied.






Search report