(19)
(11) EP 0 477 475 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.09.1992 Bulletin 1992/36

(43) Date of publication A2:
01.04.1992 Bulletin 1992/14

(21) Application number: 91110116.0

(22) Date of filing: 20.06.1991
(51) International Patent Classification (IPC)5: F25B 47/02, F25B 5/04
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR LI LU NL SE

(30) Priority: 28.09.1990 IT 4169990

(71) Applicant: COSTAN S.P.A.
I-32020 Limana(Belluno) (IT)

(72) Inventor:
  • Casanova, Giuseppe
    I-32028 Trichiana (Belluno) (IT)

(74) Representative: Cantaluppi, Stefano et al
c/o JACOBACCI & PERANI S.p.A. Via Berchet, 9
35131 Padova
35131 Padova (IT)


(56) References cited: : 
   
       


    (54) An improved refrigeration circuit and method of de-frosting it


    (57) A refrigeration circuit (1) intended for incorporation to refrigerated display counters (2) comprises a compressor (3), a series of first and second evaporators (10,13), and means (15) of de-frosting the evaporators which include a bypass connection (17) between the compressor (3) outlet and the second evaporator (13) inlet.






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