(19)
(11) EP 1 821 050 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.12.2009 Bulletin 2009/52

(43) Date of publication A2:
22.08.2007 Bulletin 2007/34

(21) Application number: 07380048.4

(22) Date of filing: 21.02.2007
(51) International Patent Classification (IPC): 
F25B 41/00(2006.01)
 F25B 41/04(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 LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 21.02.2006 ES 200600412

(71) Applicant: Aproalia S.L.
15165 Bergondo La Coruña (ES)

(72) Inventors:
  • Puente Varela, Ramón Fernando
    15160 Sada, La Coruña (ES)
  • Fernandez Pazos, José Luis
    2788 Burelo, Lugo (ES)

(74) Representative: Carvajal y Urquijo, Isabel et al
Clarke, Modet & Co. Goya 11
28001 Madrid
28001 Madrid (ES)

   


(54) Combined refrigeration and air conditioning system


(57) The invention relates to a combined refrigeration and air conditioning system, which simultaneously carries out the functions of an industrial cold and air conditioning system of an installation or premises by means of refrigeration cycles by direct expansion of a refrigerant.
To that end, it comprises two or more compressors (10, 20) sending the compressed refrigerant to a common point, a series of expansion valves (12, 22) and several heat exchangers (11, 13, 23), two of which carry out the exchange with the medium to be cooled with the industrial cold system and with the premises or installation to be air conditioned.
The operation mode of the air conditioning system is easily changed from heating to refrigeration by means of the action of two series of valves (50, 51).







Search report