(19)
(11) EP 0 359 306 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.02.1991 Bulletin 1991/06

(43) Date of publication A2:
21.03.1990 Bulletin 1990/12

(21) Application number: 89202169.2

(22) Date of filing: 28.08.1989
(51) International Patent Classification (IPC)5: F24H 9/00
(84) Designated Contracting States:
BE CH DE ES FR GB GR IT LI NL

(30) Priority: 13.09.1988 BE 8801050

(71) Applicant: "STELRAD IDEAL"
B-2800 Mechelen (BE)

(72) Inventor:
  • Castermans, Marcel
    B-1410 Waterloo (BE)

(74) Representative: Callewaert, Jean et al
GEVERS Patents, Brussels Airport Business Park, Holidaystraat 5
1831 Diegem
1831 Diegem (BE)


(56) References cited: : 
   
       


    (54) Boiler


    (57) Boiler with heat transfer by convection between a heat source and a profiled heat exchanger (3), characterized in that the surface of the profile applied to the heat exchanger and over which the heat transfer takes place, increases with increasing distance from the heat source. Preferably, the profile applied to the heat exchanger is formed by fins, the surface of which increases the further the fins are remote from the heat source.







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