(19)
(11) EP 0 255 919 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.05.1989 Bulletin 1989/19

(43) Date of publication A2:
17.02.1988 Bulletin 1988/07

(21) Application number: 87110997.1

(22) Date of filing: 29.07.1987
(51) International Patent Classification (IPC)4: F24H 9/00
(84) Designated Contracting States:
AT BE DE ES FR GB NL

(30) Priority: 04.08.1986 IT 1473086 U
04.12.1986 IT 508186 U

(71) Applicant: ATI di Mariani Mario & C. s.n.c.
I-47023 Cesena Forli (IT)

(72) Inventor:
  • Mariani, Mario
    I-47023 Cesena Forli (IT)

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


(56) References cited: : 
   
       


    (54) Gas-powered water heater


    (57) This gas-powered water heater is of the type comprising a water tank (1) which extends substantially vertically, a combustion chamber (2) arranged on the bottom of the tank and a gas burner (3) arranged inside the combustion chamber. In order to provide a high security against gas escape, simplicity in installation together with a simple structure, the combustion chamber (2) and the discharge duct (6,18) for the burnt gases are sealingly isolated from the room, the inflow of combustion air occurring through at least one duct (5,19) which connects the combustion chamber to the outside.







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