发明名称 AXIAL FLOW FAN
摘要 PURPOSE: An axial flow fan is provided to satisfy a flow amount by adjusting a chord length in the longitudinal direction of the blades and a setting angle and to reduce power required for driving a fan. CONSTITUTION: An axial flow fan (100) includes a hub (110) and a plurality of blades (120). The blades are arranged on the circumference of the hub in all directions, and blade roots are joined to the hub. The radial direction of the axial flow fan is the longitudinal direction. A chord length is the length connecting a front edge (121) and a rear edge (122). A setting angle is an angle formed by the horizontal surface of the axial flow fan and the rear edge. The blade has a first section from a 2/3 point in respect to the whole blade length to the blade roots and a second section which is the rest area. The chord length in the first section has a secondary positive function form which is gradually decreased and increased. A first curve change point exists within the first section. A second curve change point exists within the second section so that the chord length in the second section is gradually increased.
申请公布号 KR20130107442(A) 申请公布日期 2013.10.02
申请号 KR20120029205 申请日期 2012.03.22
申请人 HALLA VISTEON CLIMATE CONTROL CORP. 发明人 JUNG, WOO YOUL;PARK, CHI YONG;CHO, KYUNG SEOK
分类号 F04D29/38;F04D29/66 主分类号 F04D29/38
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