(19)
(11) EP 1 965 139 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.11.2013 Bulletin 2013/46

(43) Date of publication A2:
03.09.2008 Bulletin 2008/36

(21) Application number: 08101969.7

(22) Date of filing: 25.02.2008
(51) International Patent Classification (IPC): 
F24D 3/08(2006.01)
F24H 1/52(2006.01)
 F24H 9/14(2006.01)
F24D 19/10(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: 27.02.2007 IT MI20070370

(71) Applicant: FUGAS SPA
20090 Trezzano sul Naviglio (Milan) (IT)

(72) Inventor:
  • Fugazza, Giuseppe
    20090, Trezzano sul Naviglio (IT)

(74) Representative: Robba, Pierpaolo 
Interpatent S.R.L. Via Caboto 35
10129 Torino
10129 Torino (IT)

   


(54) A hydraulic group with two secondary heat-exchangers for gas boiler systems


(57) A hydraulic group for a combined plant for domestic heating and production of sanitary warm water, which plant comprises a primary heat-exchanger (1) and a pump (5) for circulating the primary liquid heated in said primary heat-exchanger (1). The hydraulic group comprises a routing device (4) of the heated primary liquid controlled by a sensor (7) of the flow of sanitary water and a secondary heat-exchanger (3), the secondary circuit of which is connected to the water networks and supplies the sanitary warm water. The hydraulic group provides for a second secondary heat-exchanger (2), the primary of which receives said heated primary liquid, and the secondary circuit of which is connected to elements of domestic heating (19) through a second pump (6).







Search report









Search report