(19)
(11) EP 0 845 649 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.04.1999 Bulletin 1999/15

(43) Date of publication A2:
03.06.1998 Bulletin 1998/23

(21) Application number: 97119398.2

(22) Date of filing: 06.11.1997
(51) International Patent Classification (IPC)6: F28F 1/32, F28D 1/047, F24F 3/14
(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: 28.11.1996 JP 317513/96
21.01.1997 JP 23343/97

(71) Applicant: Kimura Kohki Co., Ltd.
Osaka-shi, Osaka 542 (JP)

(72) Inventors:
  • Kimura, Keiichi
    Yao-shi, Osaka (JP)
  • Kiyotaki, Tamon, c/o Kimura Kohki Co., Ltd.
    Chuo-ku, Osaka-shi, Osaka 542 (JP)

(74) Representative: Selting, Günther, Dipl.-Ing. et al
Patentanwälte von Kreisler, Selting, Werner Postfach 10 22 41
50462 Köln
50462 Köln (DE)

   


(54) Heat Exchange Coil


(57) A heat exchange coil wherein fin groups (5,6,10) composed of plural plate fins (1) parallel to each other are disposed at a specified interval in the draft direction, and pipes (2) for passing heat medium penetrate into these plural plate fins (1) plural times in the draft direction, thereby enhancing the heat transmission ability and heat exchange efficiency, and preventing drain from dispersing.






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