(19)
(11) EP 0 922 911 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.06.2001 Bulletin 2001/25

(43) Date of publication A2:
16.06.1999 Bulletin 1999/24

(21) Application number: 98122718.4

(22) Date of filing: 30.11.1998
(51) International Patent Classification (IPC)7: F24F 1/00, F24F 13/24
(84) Designated Contracting States:
AT BE CH CY 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: 11.12.1997 JP 34131997

(71) Applicant: Hitachi, Ltd.
Chiyoda-ku, Tokyo (JP)

(72) Inventors:
  • Kishitani, Tetsushi
    Shimizu-shi, Shizuoka-ken (JP)
  • Nagai, Makoto
    Yaizu-shi, Shizuoka-ken (JP)
  • Sato, Ryoji
    Shimizu-shi, Shizuoka-ken (JP)
  • Yamada, Shinichiro
    Yaizu-shi, Shizuoka-ken (JP)
  • Nakamura, Kenichi
    Shimizu-shi, Shizuoka-ken (JP)
  • Iwashina, Yoshinori
    Shimizu-shi, Shizuoka-ken (JP)
  • Tsukada, Yoshiharu
    Niihari-gun, Ibaraki-ken (JP)

(74) Representative: Finck, Dieter, Dr.Ing. et al
v. Füner Ebbinghaus Finck Hano Mariahilfplatz 2 - 3
81541 München
81541 München (DE)

   


(54) An outdoor unit of an air-conditioning system


(57) To provide an outdoor unit of an air-conditioning system characterized in that the outdoor unit has a reduced bodily size. The outdoor unit is characterized in that said bell mouth 13 is provided with a damping portion 14 which extends in an upstream direction from part of the circumference of said bell mouth 13 , said part 4 of the circumference located on a side opposite to said heat exchanger 7 where said propeller fan 12 and a side panel 4 are positioned close to each other.






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