(19)
(11) EP 0 611 941 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.07.1995 Bulletin 1995/27

(43) Date of publication A2:
24.08.1994 Bulletin 1994/34

(21) Application number: 94200302.1

(22) Date of filing: 03.02.1994
(51) International Patent Classification (IPC)5: F28D 9/00, F28F 3/04
(84) Designated Contracting States:
BE CH DE ES FR GB IT LI NL SE

(30) Priority: 19.02.1993 IT MI930323

(71) Applicant: GIANNONI S.r.l.
I-20079 Castiraga Vidardo (Milan) (IT)

(72) Inventor:
  • Mele, Flavio
    I-20079 S. Angelo Lodigiano Ld (IT)

(74) Representative: Falcetti, Carlo et al
c/o JACOBACCI & PERANI S.p.A. Via Visconti di Modrone, 7
20122 Milano
20122 Milano (IT)


(56) References cited: : 
   
       


    (54) A plate-type heat exchanger and related plates


    (57) A plate-type heat exchanger for liquids comprising a plurality of ribbed plates of a first (1,51) and a second (21,62) type which are alternately juxtaposed to form flow chambers of a first and a second type, some ribs (10,11,12,13,52,53,54,55) of the plates of the first type (1,51) forming, in the chambers of the first type, a meander flow path duct in the plane of the plates having a length which far exceeds the dimensions of the plates (1,21,51,62) and the length of the flow chambers of the second type.






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