JPH01152096U

JPH01152096U -

Info

Publication number: JPH01152096U
Application number: JP4900788U
Authority: JP
Priority date: 1988-04-11
Filing date: 1988-04-11
Publication date: 1989-10-19
Anticipated expiration: 2003-04-11
Also published as: JPH0740718Y2

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図〜第３図は本考案の一実施例を示すもの
で、第１図はクロスフローフアンの正面図、第２
図は同要部斜視図、第３図は第２図のＸ―Ｘ矢視
図、第４図は従来のクロスフローフアンの要部斜
視図、第５図は同要部断面図である。１１……仕切板、１２……羽根、１３……外周
側端縁、１４……内周側端縁。 Figures 1 to 3 show one embodiment of the present invention. Figure 1 is a front view of a cross flow fan,
3 is a perspective view of the main parts of the conventional cross flow fan, FIG. 3 is a view taken along the line XX in FIG. 2, FIG. 4 is a perspective view of the main parts of a conventional cross flow fan, and FIG. 5 is a sectional view of the main parts. 11... Partition plate, 12... Blade, 13... Outer circumferential edge, 14... Inner circumferential edge.

Claims

【実用新案登録請求の範囲】１フアン軸芯方向に適当間隔おきに位置する仕
切板と、隣り合う仕切板間に位置するとともに長
手方向が前記フアン軸芯方向に向き仕切板の外周
寄り端面上に適当間隔おきに周方向に設けられる
羽根とからなり、前記羽根の外周側の端縁の勾配
を内周側の端縁の勾配よりも大きくし、前記羽根
の外径側角度（フアン軸芯を中心として羽根の外
周側端縁を通る円の外周側端縁部における接線と
外周側端縁部における羽根の断面の円弧状の中立
線の接線とで形成された角度）および内径側角度
（フアン軸芯を中心として羽根の内周側端縁を通
る円の内周側端縁部における接線と内周側端縁部
における羽根の断面の円弧状の中立線の接線とで
形成された角度）を一定にしたクロスフローフア
ン。２各仕切板間において位置する羽根はフアン軸
芯方向に一直線状に並ばないようにずらして設け
た請求項１記載のクロスフローフアン。[Scope of Claim for Utility Model Registration] 1. Partition plates located at appropriate intervals in the direction of the fan axis, and on an end surface of the partition plate located between adjacent partition plates, with the longitudinal direction facing the fan axis direction and closer to the outer periphery of the partition plate. and blades provided circumferentially at appropriate intervals, the slope of the outer edge of the blade is greater than the slope of the inner edge, and the outer diameter angle of the blade (fan axis The angle formed by the tangent at the outer edge of a circle passing through the outer edge of the blade with the center at , and the tangent to the neutral line of the arc of the cross section of the blade at the outer edge) and the inner diameter angle ( The angle formed by the tangent at the inner edge of a circle centered on the fan axis and passing through the inner edge of the blade, and the tangent to the arc-shaped neutral line of the cross section of the blade at the inner edge. ) is kept constant. 2. The cross-flow fan according to claim 1, wherein the blades located between each partition plate are staggered so as not to be aligned in a straight line in the fan axis direction.