JPH05340379A - Cross flow fan - Google Patents

Cross flow fan

Info

Publication number
JPH05340379A
JPH05340379A JP15365292A JP15365292A JPH05340379A JP H05340379 A JPH05340379 A JP H05340379A JP 15365292 A JP15365292 A JP 15365292A JP 15365292 A JP15365292 A JP 15365292A JP H05340379 A JPH05340379 A JP H05340379A
Authority
JP
Japan
Prior art keywords
blades
flow fan
cross
blade
ratio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP15365292A
Other languages
Japanese (ja)
Other versions
JP3107456B2 (en
Inventor
Yoichiro Kobayashi
洋一郎 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP04153652A priority Critical patent/JP3107456B2/en
Publication of JPH05340379A publication Critical patent/JPH05340379A/en
Application granted granted Critical
Publication of JP3107456B2 publication Critical patent/JP3107456B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To provide a cross flow fan in which improvement of ventilation efficiency and reduction of ventilation noise are both compatible by eliminating nonconformity caused by a ratio of chord lengths of blades to a disposition pitch of the blade without changing base constitution. CONSTITUTION:A cross flow fan comprises partition plates disposed at a specified interval axially, and blades 14a, 14b, 14c, 14d... disposed between these partition plates, which are disposed plurally in the circumferential, direction each being curved, a disposition pitches P between the respective blades are set at different lengths, and chord lengths L of the blades are set to be different from each other, so a ratio of the blade chord length L to the disposition pitch P on the positive pressure side is set at a constant value K (P/L=K).

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、たとえば空気調和機を
構成する室内ユニット内に配置され、熱交換空気である
被空調室空気の送風作用をなす横流ファンに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cross-flow fan, which is disposed in an indoor unit that constitutes an air conditioner, and serves to blow air to be conditioned room which is heat exchange air.

【0002】[0002]

【従来の技術】空気調和機を構成する室内ユニット内に
は、室内側熱交換器とともに室内送風機が配置される。
最近の住宅事情から室内ユニットは、高さ寸法を抑制す
る要望が大であり、そのため上記室内側熱交換器とも幅
寸法を長くとる傾向にある。
2. Description of the Related Art An indoor blower is arranged together with an indoor heat exchanger in an indoor unit that constitutes an air conditioner.
Due to recent housing circumstances, there is a great demand for suppressing the height dimension of the indoor unit, and therefore the width dimension of the indoor heat exchanger tends to be long.

【0003】このような室内側熱交換器に対して被空調
室空気を送風する上記室内送風機は、熱交換器の均一な
熱交換効率を得るために、幅寸法とほとんど同長の送風
範囲が必要である。したがって、各種の送風機のうち、
特に軸方向長さが長く、広い送風範囲が得られる横流フ
ァンが最適である。
The above-mentioned indoor blower which blows the air in the air-conditioned room to such an indoor heat exchanger has a blowing range of almost the same length as the width dimension in order to obtain uniform heat exchange efficiency of the heat exchanger. is necessary. Therefore, of the various blowers,
A cross-flow fan is particularly suitable because it has a long axial length and a wide air blowing range can be obtained.

【0004】上記横流ファン構造としては、基本的に、
その中心部に軸部が設けられる両側板と、これら両側板
間に軸方向に所定間隔を存して配置される仕切板と、両
側板と仕切板との間に介在され、かつ周方向に複数配列
されて、それぞれが湾曲成されるブレードとからなる。
そして、従来より、送風効率の向上を図るため、および
送風騒音を低減させるために、特に、上記ブレードを対
象とする多くの工夫がなされている。
Basically, the structure of the cross flow fan is as follows.
Both side plates having a shaft portion at the center thereof, partition plates arranged at a predetermined interval in the axial direction between the both side plates, and interposed between the both side plates and the partition plate and in the circumferential direction. A plurality of blades are arranged and each is curved.
In order to improve the ventilation efficiency and to reduce the ventilation noise, many measures have been made to target the blades.

【0005】図5(A)は、全て同一の曲率半径で湾曲
され、その内端部と外端部とが同じ半径線上位置に揃え
られる形状構造のブレードa…を、同一ピッチ(θ1
θ 2=θ3 …)で配列したものであり、極く一般的に採
用される構成である。
In FIG. 5 (A), blades a ... Which are curved with the same radius of curvature and whose inner end and outer end are aligned at the same radial line position have the same pitch (θ 1 =).
are those which are arranged in θ 2 = θ 3 ...), it is very generally adopted configurations.

【0006】同図(B)は、たとえば、特開昭60−1
7296号公報や実公平1−22958号公報に開示さ
れていて、それぞれのブレードb…の形状構造を同一と
するが、隣接するブレードb,b相互間と中心点Oとで
なす角度θが、互いに異なるよう設定される。すなわ
ち、ブレードb…の配列ピッチが不等(θ1 ≠θ 2≠θ
3 …)である。
FIG. 1B shows, for example, Japanese Patent Laid-Open No. 60-1.
No. 7296 and Japanese Utility Model Publication No. 1-22958, the blades b ... Have the same shape and structure, but the angle θ between the adjacent blades b and b and the center point O is: It is set to be different from each other. That is, the arrangement pitch of the blades b ... Is unequal (θ 1 ≠ θ 2 ≠ θ
3 ...).

【0007】同図(C)は、それぞれのブレードc1
2,c3 …間の配列ピッチは同一に揃えられるが、形
状構造が異なるよう設定される。ここでは、全てのブレ
ードc1 ,c 2,c3 …の外周端部は同一の半径線上に
あり、かつ内周端部は、たとえば3通りの半径線上位置
(r1 ≠r 2≠r3 …)に揃えられ、弦長長さが異な
る。
FIG. 1C shows the blades c 1 ,
The arrangement pitches of c 2 , c 3 ... Are made uniform, but the shape structures are set differently. Here, the outer peripheral ends of all the blades c 1 , c 2 , c 3 ... Are on the same radial line, and the inner peripheral ends are, for example, three radial line positions (r 1 ≠ r 2 ≠ r 3 ...), and the chord length is different.

【0008】たとえば特開昭60−17295号公報に
は、同図(C)の構造に近いものが開示されている。同
公報では、2種類の弦長長さの異なるブレードが、互い
に混在して配設される。
For example, Japanese Patent Application Laid-Open No. 60-17295 discloses a structure similar to that shown in FIG. In this publication, two types of blades having different chord lengths are mixed and arranged.

【0009】従来、このような3種類のファン構造が知
られていて、同図(B)ないし同図(C)に示す横流フ
ァンは、同図(A)に示す横流ファンより送風効率を高
く、かつ送風騒音の低減を図ることを目的としている。
Conventionally, such three types of fan structures are known, and the cross-flow fan shown in FIGS. 1B to 1C has a higher blowing efficiency than the cross-flow fan shown in FIG. In addition, the purpose is to reduce blast noise.

【0010】[0010]

【発明が解決しようとする課題】ところで、このような
横流ファンは、ブレードの配列ピッチに対するブレード
弦長の比を最適な値に設定した場合に、送風効率の確保
を図れることが知られている。
By the way, it is known that such a cross-flow fan can ensure the blowing efficiency when the ratio of the blade chord length to the arrangement pitch of the blades is set to an optimum value. ..

【0011】先に説明した、図5(B)の不等ピッチの
ブレード構造や、同図(C)の不等弦長のブレード構造
では、ブレード配列ピッチに対するブレード弦長の比が
不等となる。
In the above-described unequal pitch blade structure of FIG. 5B and unequal chord length blade structure of FIG. 5C, the ratio of the blade chord length to the blade arrangement pitch is unequal. Become.

【0012】したがって、上記構造では、送風効率の向
上および送風騒音の低減に、最適の状態箇所と、不適の
状態箇所とが混在することとなり、送風騒音が低減する
反面、送風効率が低下したり、逆の場合も生じ易い。
Therefore, in the above structure, in order to improve the blowing efficiency and reduce the blowing noise, the optimum state portion and the unsuitable state portion are mixed, so that the blowing noise is reduced, but the blowing efficiency is lowered. , And vice versa.

【0013】実験結果によると、上記比が極く小さい値
であると、各ブレード相互間の圧損の発生が大であり、
また、特に比が極く大きい値であると、ブレードの内周
側端部で剥離現象が見られた。
According to the experimental results, when the above ratio is a very small value, the pressure loss between the blades is large,
Further, when the ratio was extremely large, the peeling phenomenon was observed at the inner peripheral side end of the blade.

【0014】本発明は、このような事情によりなされた
ものであり、その目的とするところは、基本構成を変え
ることなく、ブレードの配列ピッチに対するブレードの
弦長の比に起因する不具合を除去し、送風効率の向上化
と送風騒音の低減化を両立させた横流ファンを提供しよ
うとするものである。
The present invention has been made under such circumstances, and an object thereof is to eliminate the problem caused by the ratio of the chord length of the blades to the arrangement pitch of the blades without changing the basic structure. The present invention aims to provide a cross-flow fan that achieves both improved ventilation efficiency and reduced ventilation noise.

【0015】[0015]

【課題を解決するための手段および作用】上記目的を達
成するため本発明は、仕切板を軸方向に所定間隔を存し
て配置し、これら仕切板間にブレードを介在し、かつこ
のブレードを周方向に複数配列して、それぞれが湾曲成
される横流ファンであり、上記ブレード相互の配列ピッ
チPを異なる長さに設定するとともに各ブレードの弦長
Lを互いに異ならせ、正圧面側の配列ピッチPに対する
ブレード弦長Lの比を一定K (P/L = K)に設
定したことを特徴とする横流ファンである。
In order to achieve the above object, the present invention has partition plates arranged at a predetermined interval in the axial direction, a blade is interposed between these partition plates, and this blade is A cross-flow fan in which a plurality of them are arranged in the circumferential direction, each of which is curved, and the arrangement pitch P of the blades is set to different lengths, and the chord lengths L of the blades are made different from each other, and the arrangement on the pressure surface side A cross-flow fan characterized in that the ratio of the blade chord length L to the pitch P is set to a constant K (P / L = K).

【0016】すなわち、ブレード相互の配列ピッチPを
異なる長さに設定するとともに各ブレードの弦長Lを互
いに異ならせ、正圧面側の配列ピッチPに対するブレー
ド弦長Lの比を一定K (P/L = K)としたか
ら、従来のブレード構造と比較して、送風効率が向上
し、送風騒音が低減する。
That is, the arrangement pitch P of the blades is set to different lengths, and the chord length L of each blade is made different from each other, and the ratio of the blade chord length L to the arrangement pitch P on the pressure side is constant K (P / P / Since L = K), the blowing efficiency is improved and the blowing noise is reduced as compared with the conventional blade structure.

【0017】[0017]

【実施例】以下、本発明の一実施例を図面にもとづいて
説明する。図3は、空気調和機を構成する室内ユニット
を概略的に示す。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 3 schematically shows an indoor unit that constitutes an air conditioner.

【0018】ユニット本体1の前面側には吸込口2が設
けられ、下面側には吹出口3が設けられる。上記ユニッ
ト本体1内には、上記吸込口2に対向して、室内側熱交
換器4が配置される。
A suction port 2 is provided on the front side of the unit main body 1, and an air outlet 3 is provided on the lower side. An indoor heat exchanger 4 is arranged in the unit body 1 so as to face the suction port 2.

【0019】上記室内側熱交換器4は、「くの字状」に
折曲されることにより、その高さ寸法を抑制したユニッ
ト本体1内に無理なく配置されるが、そのため、幅寸法
が長くなることは避けられない。
The indoor heat exchanger 4 is bent in a "doglegged" shape so that it can be easily arranged in the unit body 1 whose height dimension is suppressed. It cannot be avoided that it will be long.

【0020】このような室内側熱交換器4の背面下部に
室内送風機5が配置されている。これは、図示しない駆
動モータと、この駆動モータに連結される後述する横流
ファンFとから構成される。
An indoor blower 5 is arranged below the rear surface of the indoor heat exchanger 4. This is composed of a drive motor (not shown) and a cross-flow fan F (described later) connected to the drive motor.

【0021】上記横流ファンFは、被空調室空気を、幅
寸法を極端に長くした室内側熱交換器4へ送風するた
め、ほとんど同長の軸方向長さに形成され、送風範囲を
確保するようになっている。
The cross-flow fan F blows the air in the air-conditioned room to the indoor heat exchanger 4 having an extremely wide width, so that it is formed to have almost the same axial length to secure a blowing range. It is like this.

【0022】上記ユニット本体1内の背面壁には断熱材
6が貼着され、この下端部においては、上記室内側熱交
換器4を支持するノーズ7とともに上記吹出口3を形成
している。上記横流ファンFは、図2に示すような構造
をなす。
A heat insulating material 6 is attached to a rear wall of the unit body 1, and a lower end of the heat insulating material 6 forms the air outlet 3 together with a nose 7 for supporting the indoor heat exchanger 4. The cross flow fan F has a structure as shown in FIG.

【0023】図中、10a,10bは、その中心部に軸
受けボス11もしくは支軸12が設けられる側板であ
る。上記軸受けボス11には、上記駆動モータの回転軸
が嵌着され、上記支軸12は、図示しない軸受け具に軸
支される。
In the figure, 10a and 10b are side plates provided with a bearing boss 11 or a support shaft 12 at the center thereof. The rotation shaft of the drive motor is fitted in the bearing boss 11, and the support shaft 12 is supported by a bearing tool (not shown).

【0024】これら側板10a,10b間には、軸方向
に所定間隔を存して複数の仕切板13…が配置される。
これら仕切板13…を貫通し、両端部が両側板10a,
10bに固定されるブレード14a,14b,14c,
14d…が、周方向に複数配列される。換言すれば、上
記ブレード14a,…は、両側板10a,10bおよび
仕切板13…との間に介在される。図1に示すように、
ブレード14a,…の弦長L1 ,…と、隣接するブレー
ド14b,…との配列ピッチP1 ,…が設定される。
A plurality of partition plates 13 are arranged between the side plates 10a and 10b at predetermined intervals in the axial direction.
These partition plates 13 are penetrated, and both end parts are both side plates 10a,
Blades 14a, 14b, 14c fixed to 10b,
A plurality of 14d ... Are arranged in the circumferential direction. In other words, the blades 14a, ... Are interposed between the side plates 10a, 10b and the partition plates 13. As shown in Figure 1,
The arrangement pitch P1, ... Of the chord lengths L1, ... Of the blades 14a, ... And the adjacent blades 14b ,.

【0025】各ブレード14a,…の外周端部は、同一
の半径線Ra上に揃えられる位置にある。隣接するブレ
ード14a,14b…相互間隔である配列ピッチP1
2,P3 ,P4 …は、互いに異なるピッチ(P1 ≠P
2 ≠P3 ≠P4 ≠…)に設定される。
The outer peripheral ends of the blades 14a, ... Are located on the same radial line Ra. Adjacent blades 14a, 14b ... Arrangement pitch P 1 , which is a mutual interval,
P 2 , P 3 , P 4, ... Have different pitches (P 1 ≠ P
2 ≠ P 3 ≠ P 4 ≠ ...).

【0026】各ブレード14a,…は、上記配列ピッチ
1 ,…に対応するように、それぞれの弦長L1
2 ,L3 ,L4 …が設定される。最も弦長の長いブレ
ードL1,L2 ,…の内周側端部は、半径線Rb上に揃
えられる。
The blades 14a, ... Respectively have chord lengths L 1 , so as to correspond to the array pitch P 1 ,.
L 2 , L 3 , L 4 ... Are set. The inner ends of the blades L 1 , L 2 , ... With the longest chord length are aligned on the radius line Rb.

【0027】そして、ファン回転方向に隣接するブレー
ドとの配列ピッチ、すなわち正圧面側の配列ピッチPに
対するブレード弦長Lの比を、一定K (P/L =
K)とすることが、必須の要件である。
The arrangement pitch of the blades adjacent to each other in the fan rotation direction, that is, the ratio of the blade chord length L to the arrangement pitch P on the positive pressure surface side is constant K (P / L =
K) is an essential requirement.

【0028】実際には、図に示すように、ブレード14
cと14dの配列ピッチP3 が狭く設定されたならば、
ブレード14cの弦長L3 が短くなる。また、ブレード
14aとブレード14bの配列ピッチP1 が広く設定さ
れたならば、ブレード14aの弦長L1 が長くなる。そ
のため、どこの部位でも、ファン回転方向に隣接するブ
レードとの配列ピッチPに対するブレード弦長Lの比
(P/L)が一定となる。
In practice, as shown in the figure, the blade 14
If the arrangement pitch P 3 of c and 14d is set narrow,
The chord length L 3 of the blade 14c becomes shorter. Further, if the arrangement pitch P 1 of the blades 14a and 14b is set wide, the chord length L 1 of the blades 14a becomes long. Therefore, the ratio (P / L) of the blade chord length L to the arrangement pitch P with the blades adjacent to each other in the fan rotation direction becomes constant at any part.

【0029】図4は、従来の等配列ピッチで等弦長のブ
レードを備えた横流ファンAを実線変化で示し、従来の
不等配列ピッチで等弦長のブレードを備えた横流ファン
Bを破線変化で示し、本発明の横流ファンCを一点鎖線
変化で示し、全て同一条件下で比較した、実験データで
ある。なお説明すれば、各ファンA,B,Cは、全て外
径寸法が90φmm、全長が600mm、回転数が1000
rpmに設定される。ただし、上記横流ファンAは、配
列ピッチP=8.1。弦長L=10.0。上記横流ファ
ンBは、配列ピッチP=7.5〜10.0。弦長L=1
0.0。上記横流ファンCは、配列ピッチP=7.5〜
10.0。P/L= 0.8とする。(単位:mm)
FIG. 4 shows a conventional cross-flow fan A equipped with blades of equal chord length with equal array pitch by a solid line change, and a cross-flow fan B provided with blades of equal chord length with non-equidistant pitch and broken line in FIG. The change is shown, and the cross-flow fan C of the present invention is shown by a one-dot chain line change, which are all experimental data compared under the same conditions. In addition, each fan A, B, C has an outer diameter of 90 mm, a total length of 600 mm, and a rotation speed of 1000.
Set to rpm. However, the cross-flow fan A has an array pitch P of 8.1. String length L = 10.0. The cross-flow fan B has an array pitch P = 7.5 to 10.0. Chord length L = 1
0.0. The cross-flow fan C has an array pitch P = 7.5.
10.0. P / L = 0.8. (Unit: mm)

【0030】以上の実験データからも明らかなように、
等配列ピッチで等弦長のブレードを備えた横流ファンA
より、不等配列ピッチで等弦長のブレードを備えた横流
ファンBの方が、約2dB程の送風騒音の低減がみられる
反面、送風効率が約5%低下してしまう。これに対し
て、本発明の横流ファンCは、送風効率の点で、横流フ
ァンAよりほとんどの送風領域で上回り、横流ファンB
よりも格段に向上する。本発明の横流ファンCは、静圧
の点で、横流ファンAより部分的な送風領域で上回るだ
けであるが、横流ファンBよりも格段に増大する。本発
明の横流ファンCは、送風騒音の点で、横流ファンAよ
り格段に低減し、横流ファンBとほとんど同様の程度で
あった。
As is clear from the above experimental data,
Cross-flow fan A with blades of equal chord length at equal array pitch
As a result, the cross-flow fan B provided with blades of unequal arrangement pitch and of equal chord length can reduce the blast noise by about 2 dB, but reduces the blast efficiency by about 5%. On the other hand, the cross-flow fan C of the present invention is superior to the cross-flow fan A in most of the air-blowing area in terms of air-blowing efficiency, and cross-flow fan B
Much better than. The cross-flow fan C of the present invention has a higher static pressure than the cross-flow fan A in a partial air-blowing region, but the cross-flow fan B is remarkably increased. The cross-flow fan C of the present invention is significantly lower than the cross-flow fan A in terms of blowing noise, and is substantially the same as the cross-flow fan B.

【0031】結論として、ファン回転方向に隣接するブ
レードとの配列ピッチ、すなわち正圧面側の配列ピッチ
Pに対するブレード弦長Lの比を一定K (P/L =
K)とすることにより、従来の横流ファンA,Bより
も送風効率が向上し、送風騒音の低減を図れる。
In conclusion, the arrangement pitch of the blades adjacent to each other in the fan rotation direction, that is, the ratio of the blade chord length L to the arrangement pitch P on the pressure surface side is constant K (P / L =
By adopting K), the blowing efficiency is improved as compared with the conventional cross flow fans A and B, and the blowing noise can be reduced.

【0032】[0032]

【発明の効果】以上説明したように、本発明によれば、
ブレード相互の配列ピッチPを異なる長さに設定すると
ともに各ブレードの弦長Lを互いに異ならせ、正圧面側
の配列ピッチPに対するブレード弦長Lの比を一定K
(P/L = K)としたから、横流ファンとしての基
本構成を変えることなく、ブレードの配列ピッチに対す
るブレードの弦長の比に起因する不具合を完全に除去
し、送風効率の向上化と送風騒音の低減化を両立し得る
効果を奏する。
As described above, according to the present invention,
The arrangement pitches P of the blades are set to different lengths, and the chord lengths L of the blades are made different from each other so that the ratio of the blade chord length L to the arrangement pitch P on the pressure surface side is constant K.
Since (P / L = K), the defect caused by the ratio of the chord length of the blades to the arrangement pitch of the blades can be completely eliminated without changing the basic configuration of the cross flow fan, improving the air blowing efficiency and blowing air. The effect that both reduction of noise can be achieved is achieved.

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

【図1】本発明の一実施例を示す、横流ファンのブレー
ドの配列ピッチと弦長を説明する図。
FIG. 1 is a diagram illustrating an arrangement pitch and chord lengths of blades of a cross flow fan according to an embodiment of the present invention.

【図2】同実施例を示す、横流ファンの斜視図。FIG. 2 is a perspective view of a cross-flow fan showing the same embodiment.

【図3】同実施例で、空気調和機の概略縦断面図。FIG. 3 is a schematic vertical cross-sectional view of the air conditioner according to the same embodiment.

【図4】本発明の横流ファンと、従来構造の横流ファン
の特性を示す実験データ図。
FIG. 4 is an experimental data diagram showing characteristics of a cross-flow fan of the present invention and a cross-flow fan of a conventional structure.

【図5】(A)ないし(C)は、従来構造の互いに異な
るブレードの配列ピッチと弦長を説明する図。
5A to 5C are views for explaining the arrangement pitch and chord length of different blades having a conventional structure.

【符号の説明】[Explanation of symbols]

13…仕切板、14a,14b,14c,14d…ブレ
ード、F…横流ファン。
13 ... Partition plate, 14a, 14b, 14c, 14d ... Blade, F ... Cross-flow fan.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】軸方向に所定間隔を存して配置される仕切
板と、これら仕切板間に介在され、かつ周方向に複数配
列されて、それぞれが湾曲成されるブレードとを具備し
た横流ファンであり、上記ブレード相互の配列ピッチP
を異なる長さに設定するとともに各ブレードの弦長Lを
互いに異ならせ、正圧面側の配列ピッチPに対するブレ
ード弦長Lの比を一定K (P/L = K)に設定し
たことを特徴とする横流ファン。
1. A cross flow comprising partition plates arranged at predetermined intervals in the axial direction, and a plurality of blades interposed between the partition plates and arranged in the circumferential direction, each of which is curved. It is a fan and the arrangement pitch P of the above blades is
Is set to a different length, the chord lengths L of the blades are made different from each other, and the ratio of the chord length L of the blades to the arrangement pitch P on the pressure surface side is set to a constant K (P / L = K). A crossflow fan.
JP04153652A 1992-06-12 1992-06-12 Cross flow fan Expired - Fee Related JP3107456B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04153652A JP3107456B2 (en) 1992-06-12 1992-06-12 Cross flow fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04153652A JP3107456B2 (en) 1992-06-12 1992-06-12 Cross flow fan

Publications (2)

Publication Number Publication Date
JPH05340379A true JPH05340379A (en) 1993-12-21
JP3107456B2 JP3107456B2 (en) 2000-11-06

Family

ID=15567226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04153652A Expired - Fee Related JP3107456B2 (en) 1992-06-12 1992-06-12 Cross flow fan

Country Status (1)

Country Link
JP (1) JP3107456B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761040B2 (en) * 2002-04-16 2004-07-13 Lg Electronics Inc. Cross flow fan and air conditioner fitted with the same
KR101436628B1 (en) * 2007-10-23 2014-09-02 엘지전자 주식회사 Cross flow fan amd air conditioner
WO2020026373A1 (en) * 2018-08-01 2020-02-06 日立ジョンソンコントロールズ空調株式会社 Cross-flow fan and air conditioner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602127B2 (en) 2005-04-18 2009-10-13 Mks Instruments, Inc. Phase and frequency control of a radio frequency generator from an external source

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761040B2 (en) * 2002-04-16 2004-07-13 Lg Electronics Inc. Cross flow fan and air conditioner fitted with the same
KR100463521B1 (en) * 2002-04-16 2004-12-29 엘지전자 주식회사 uneven pitch crossflow fan
KR101436628B1 (en) * 2007-10-23 2014-09-02 엘지전자 주식회사 Cross flow fan amd air conditioner
WO2020026373A1 (en) * 2018-08-01 2020-02-06 日立ジョンソンコントロールズ空調株式会社 Cross-flow fan and air conditioner

Also Published As

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JP3107456B2 (en) 2000-11-06

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