发明授权
- 专利标题: Blower fan, in particular for blowing apparatuses, and blowing apparatus provided thereof
- 专利标题(中): 鼓风机,特别是吹风机,以及吹风机
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申请号: US10127239申请日: 2002-04-22
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公开(公告)号: US06736610B2公开(公告)日: 2004-05-18
- 发明人: Roberto Cifarelli
- 申请人: Roberto Cifarelli
- 优先权: EP99830498 19990730
- 主分类号: F04B1700
- IPC分类号: F04B1700
摘要:
A blower fan comprises a support element (13) presenting a first face (13a) and a second face (13b) mutually opposite to said first face (13a), the first and the second faces (13a, 13b) being respectively invested at least by a first and a second air flows (10, 11) coming from mutually opposite directions, a first blade series emerging at least from said second face (13b), and at least one air passage (13c) provided in the support element (13) and adapted to direct at least said first air flow (10) investing said first face (13a) at least partly through said support element (13).
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