(19)
(11) EP 0 854 344 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.01.2000 Bulletin 2000/04

(43) Date of publication A2:
22.07.1998 Bulletin 1998/30

(21) Application number: 98100889.9

(22) Date of filing: 20.01.1998
(51) International Patent Classification (IPC)7: F28F 1/36
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 20.01.1997 JP 737897

(71) Applicant: KABUSHIKI KAISHA TOSHIBA
Kawasaki-shi, Kanagawa-ken 210-8572 (JP)

(72) Inventors:
  • Kimura, Kenichi 203,Yoshiba Coporasu,
    Kawasaki-shi, Kanagawa-ken (JP)
  • Yamada, Minoru
    Yokohama-shi, Kanagawa-ken (JP)

(74) Representative: Füchsle, Klaus, Dipl.-Ing. et al
Hoffmann Eitle, Patent- und Rechtsanwälte, Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) Heat exchanger


(57) A heat exchanger is provided with finned tubes (10) each fabricated by attaching fins (12) to a tube (11). Radial slits (13) are formed in a peripheral portion of the fin (12) to divide the peripheral portion into a plurality of segments. A portion of each of the segments is bent in an axial direction of the finned tube (10) along a bending line (14) extending from a point on the radial slit to form a plurality of bent portions (15).









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