JPS6147499U

JPS6147499U - axial fan

Info

Publication number: JPS6147499U
Application number: JP13436284U
Authority: JP
Inventors: 光政高橋
Original assignee: ダイキン工業株式会社
Priority date: 1984-09-03
Filing date: 1984-09-03
Publication date: 1986-03-29

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案の実施例にかかる軸流ファンの正面図、
第２図は第１図の■−■断面図、第３図ａ，ｂは他の
実施例を示す図、第４図は従来の軸−流ファンの要部側
面図、第５図イ，ロー，ハは従来例と本考案実施例とに
おけるファン単体ｉ性図で、イは比騒音特性図、町よ静
圧効率特性図、ハは静圧特性図である。１・・・ボス、２・・・羽根、ｇ・・・羽根中心線。FIG. 1 is a front view of an axial fan according to an embodiment of the present invention;
Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, Fig. 3 a and b are views showing other embodiments, Fig. 4 is a side view of main parts of a conventional axial flow fan, Fig. 5 a, Lo and C are individual fan characteristic diagrams for the conventional example and the embodiment of the present invention, A is a specific noise characteristic diagram, Machi is a static pressure efficiency characteristic diagram, and C is a static pressure characteristic diagram. 1...boss, 2...blade, g...blade center line.

Claims

[Scope of utility model registration request]

On the outer periphery of the boss 1, which is the center of rotation, there are multiple blades 2, 2...
An axial flow fan characterized in that each of the blades 2 is curved approximately symmetrically with respect to an S line g passing through the center of the boss 1.