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CENTRIFUGAL FAN AND AIR CONDITIONER USING THE SAME

2022-06-09 来源:伴沃教育
专利内容由知识产权出版社提供

专利名称:CENTRIFUGAL FAN AND AIR CONDITIONER

USING THE SAME

发明人:ZHENG, Zhiming,OHNISHI, Tadashi申请号:EP06810500.6申请日:20060925公开号:EP1933039A1公开日:20080618

专利附图:

摘要:The present invention provides a centrifugal fan by which air velocity

distribution in the height direction of impellers at a fan blow-out port is made uniformand running noise is reduced, and an air conditioner whose running noise is reduced by

applying the centrifugal fan thereto. The centrifugal fan is provided with a hub for fixingthe rotary shaft of a motor, a main plate formed on the outer circumference of the hub, ashroud disposed to be opposed to the main plate, which forms an air passage, a pluralityof impellers disposed between the main plate and the shroud, and a bellmouth disposedat the suction side of the shroud. Projections or recesses are formed on the surface ofthe shroud facing the bellmouth, which projections or recesses form air streams flowingfrom the center of the shroud toward the outer circumference thereof along the surfacewhen running a fan. The air conditioner has a thus constructed centrifugal fan mountedtherein.

申请人:DAIKIN INDUSTRIES, LTD.

地址:Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku Osaka-shi, Osaka530-8323 JP

国籍:JP

代理机构:HOFFMANN EITLE

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