(19)
(11) EP 1 995 542 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.07.2009 Bulletin 2009/28

(43) Date of publication A2:
26.11.2008 Bulletin 2008/48

(21) Application number: 08156712.5

(22) Date of filing: 22.05.2008
(51) International Patent Classification (IPC): 
F28D 7/10(2006.01)
F28F 9/26(2006.01)
 F28F 1/08(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 24.05.2007 IT UD20070087

(71) Applicant: Emiflex SpA
20039 Varedo (MI) (IT)

(72) Inventors:
  • Lai, Giovanni
    20039, Varedo (MI) (IT)
  • Destro, Bruno
    20093, Cologno Monzese (MI) (IT)

(74) Representative: Petraz, Gilberto Luigi et al
GLP S.r.l. Piazzale Cavedalis 6/2
33100 Udine
33100 Udine (IT)

   


(54) Heat exchange device


(57) Heat exchange device (10) comprising a first tubular pipe (11) having inside it a first cylindrical cavity (12) in which a first fluid flows, and a second tubular pipe (16) in which a second fluid flows which in turn exchanges heat with the first fluid. The second tubular pipe (16) is disposed coaxial inside the first cylindrical cavity (12) of the first tubular pipe (11), creating with the first tubular pipe (11) a first annular interstice (17) for the passage of the first fluid. The device (10) is advantageously associated with a source of heating and the second tubular pipe (16) comprises inside it a second cylindrical through cavity (19), which defines another passage for the first fluid, so as to allow it to flow both outside the second tubular pipe (16), through the first annular interstice (17), and also inside the second tubular pipe (16), through the second cylindrical cavity (19).







Search report