发明名称 |
Fan assembly |
摘要 |
A fan and shroud assembly includes a fan has a hub rotating around one shaft and a plurality of blades extending outwardly from the hub, a shroud encompassing the fan to adjust airflow by rotation of the fan, a guide ring portion located at a position where a predetermined gap exists between the shroud and a circumference connecting end tips of the blades so that the fan coupled to the shroud rotates, and a plurality of swirl prevention units integrally formed with the guide ring portion to prevent a motion of vortex proceeding along a circumference connecting end tips of the blades between the guide ring portion and the circumference, each swirl prevention unit having a shape in which the length of a circular arc passing each of the swirl prevention units with respect to the center of the shroud decreases as the arc is closer to the center of the shroud. <IMAGE> |
申请公布号 |
EP1340921(A2) |
申请公布日期 |
2003.09.03 |
申请号 |
EP20030004447 |
申请日期 |
2003.02.27 |
申请人 |
HALLA CLIMATE CONTROL CORPORATION |
发明人 |
CHO, KYUNG-SEOK;MIN, OK-RYUL;PARK, CHANG-HO;PARK, SE-YOUNG |
分类号 |
F04D29/52;F04D29/16;F04D29/66 |
主分类号 |
F04D29/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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