(19)
(11) EP 1 035 330 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.05.2002 Bulletin 2002/19

(43) Date of publication A2:
13.09.2000 Bulletin 2000/37

(21) Application number: 00104398.3

(22) Date of filing: 02.03.2000
(51) International Patent Classification (IPC)7F04D 29/38, F04D 29/02
(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: 08.03.1999 JP 5978899

(71) Applicant: Matsushita Electric Industrial Co., Ltd.
Kadoma-shi, Osaka 571-8501 (JP)

(72) Inventors:
  • Numoto, Hironao
    Otsu-shi, Shiga 520-2101 (JP)
  • Ota, Masaharu
    Youkaichi-shi, Shiga 527-0045 (JP)

(74) Representative: Kügele, Bernhard et al
Novagraaf SA 25, Avenue du Pailly
1220 Les Avanchets - Geneva
1220 Les Avanchets - Geneva (CH)

   


(54) Impeller for blower, its manufacturing method, and blower


(57) An impeller having a large aperture is obtained easily. As a result, the blower is enhanced in performance. Having a hub and vanes projecting from the hub, the vanes have multiple layers, and at least one of the multiple layers has a foamed molded layer. This impeller is used in a blower. This blower is used in an outdoor unit of an air conditioner.





Search report