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专利名称：Suction cleaner blower with a bladed
diffuser
发明人：Fang, Chuan Hui, c/o Johnson Electric Eng.
Ltd.
申请号：EP07252747.6申请日：20070709公开号：EP1878376A3公开日：20101222
专利附图：
摘要：A blower for a vacuum cleaner has a diffuser with an increased efficiency bycoupling the attack angle A of the diffuser vanes with the attack angle B of the return
guide vanes where angle A is between 4° and 6° and angle B is between 6° and 20°.
申请人：Johnson Electric S.A.
地址：Rue Fritz-Courvoisier 40 2300 La Chaux-de-Fonds CH
国籍：CH
代理机构：Hocking, Adrian Niall
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