(19)
(11) EP 1 655 546 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.07.2006 Bulletin 2006/30

(43) Date of publication A2:
10.05.2006 Bulletin 2006/19

(21) Application number: 04106370.2

(22) Date of filing: 07.12.2004
(51) International Patent Classification (IPC): 
F24D 19/10(2006.01)
H05B 3/42(2006.01)
 H05K 7/20(2006.01)
H05B 1/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 09.12.2003 IT VI20030248

(71) Applicant: BORELLI Luigi
55049 VIAREGGIO (LU) (IT)

(72) Inventor:
  • BORELLI Luigi
    55049 VIAREGGIO (LU) (IT)

(74) Representative: Bonini, Ercole et al
Corso Fogazzaro, 8
36100 Vicenza
36100 Vicenza (IT)

   


(54) Heating group for diathermic fluid radiant elements


(57) A heating group (1) for diathermic fluid radiant elements (A, B) comprising: a heater (2) put in contact with the diathermic fluid and consisting of a tubular body (4) containing an electric insulator (4a) in which at least an electric resistance (5) is immersed; a tubular sleeve (6) disposed at one end of the tubular body (4) and provided with fastening means (6a) to the radiant element (A, B); a feeding group (7) of the heater (2), comprising at least a solid-state switch (8) able to connect the electric resistance (5) to a distribution power grid (9); electronic control means (10) for switching off and switching on the switch (8). The solid-state switch (8) is disposed inside the sleeve (6), where it is incorporated in a thermo-conductive core (11; 19; 20) adherent to the inner wall (6a) of the sleeve (6).







Search report