JPS59167996U

JPS59167996U - variable cooling fan

Info

Publication number: JPS59167996U
Application number: JP6216283U
Authority: JP
Inventors: 哲夫伊藤
Original assignee: 日野自動車株式会社
Priority date: 1983-04-27
Filing date: 1983-04-27
Publication date: 1984-11-10

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 the drawing]

第１図は、本考案の実施例の正面略図、第２図は、第１
図のブレード取付部材の拡大図、第３図は、第２図のＡ
視測面図。第４図は、第２図の低温時における、Ｂ視Ｃ
−Ｃ拡大断面図、第５図は、第２図の高温時における、
Ｂ視Ｃ−Ｃ拡大断面図である。１・・・・・・クーリングファン、２・・・・・・ブレ
ード、３・・・・・・フ［レード取付部材、４・・・・
・・ボス、５・・・・・・受板、６・・・・・・熱膨張
係散大なる金属板、７・・・・・・熱膨張係数少なる金
属板、８・・・・・・押え板。FIG. 1 is a schematic front view of an embodiment of the present invention, and FIG. 2 is a schematic front view of an embodiment of the present invention.
An enlarged view of the blade mounting member in the figure, Figure 3 is A of Figure 2.
Visual surface map. Figure 4 shows B view C at low temperature in Figure 2.
-C enlarged cross-sectional view, Figure 5 shows the temperature at high temperature in Figure 2.
It is an enlarged cross-sectional view taken along B-C. 1...Cooling fan, 2...Blade, 3...Flade mounting member, 4...
...Boss, 5...Batch plate, 6...Metal plate with high coefficient of thermal expansion, 7...Metal plate with low coefficient of thermal expansion, 8... ... Presser plate.

Claims

[Scope of utility model registration request]

In a fan having a host and a plurality of blades attached to the outer periphery of the boss via a plurality of attachment members, the plurality of attachment members extend substantially in the circumferential direction of the boss and have two different coefficients of thermal expansion. 1. A variable cooling fan characterized by comprising a metal bonded with seeds and having a twist angle of the blades variable depending on the atmospheric temperature.