Title:
BLOWER FAN
Document Type and Number:
Japanese Patent JP2004285939
Kind Code:
A
Abstract:
To provide a blower fan for an air conditioner having excellent recycability without requiring separation of a metal part when crushing, in regard to a synthetic resin fan having a plurality of vane parts.
A balance weight to be crimped by a spring method is formed by fitting a balance weight 701 made of the high-density resin or the high-density thermoplastic elastomer having a density of 3.0-12.0 to a blade 8. With this structure, the synthetic resin of a side plate, the vane part and a boss assembly part and the balance weight can be crushed at the same time to improve the recycability.
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Inventors:
OTA MASAHARU
Application Number:
JP2003080294A
Publication Date:
October 14, 2004
Filing Date:
March 24, 2003
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F04D17/04; F04D29/28; F04D29/60; (IPC1-7): F04D17/04; F04D29/28; F04D29/60
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito
Tomoyasu Sakaguchi
Hiroki Naito