JPH10246488A - Ventilator for duct - Google Patents
Ventilator for ductInfo
- Publication number
- JPH10246488A JPH10246488A JP9052811A JP5281197A JPH10246488A JP H10246488 A JPH10246488 A JP H10246488A JP 9052811 A JP9052811 A JP 9052811A JP 5281197 A JP5281197 A JP 5281197A JP H10246488 A JPH10246488 A JP H10246488A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- duct
- frame
- ventilation fan
- blower
- 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
Links
Landscapes
- Ventilation (AREA)
- Duct Arrangements (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、天井裏に設置さ
れ、室内と連通する吸込用ダクトおよび室外と連通する
吐出用ダクトを接続して室内空気を換気するダクト用換
気扇に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan for a duct, which is installed behind a ceiling and connects a suction duct communicating with a room and a discharge duct communicating with the outside to ventilate room air.
【０００２】[0002]
【従来の技術】従来のこの種のダクト用換気扇の一例と
して図１６〜図１９に示すものがあった。以下、その構
成について図１６〜図１８を参照しながら説明する。2. Description of the Related Art FIGS. 16 to 19 show an example of this type of conventional duct ventilation fan. Hereinafter, the configuration will be described with reference to FIGS.
【０００３】図に示すように、縦寸法Ａより横寸法Ｂが
大きい箱状で一端に室内１０１と連通する吸込用ダクト
１０２が接続される吸込用アダプター１０３を有し、他
端に室外１０４と連通する吐出用ダクト１０５が接続さ
れる吐出用アダプター１０６を設け、モーター取付板１
０７に取り付けられたモーター１０８により駆動される
ファン１０９をケーシング１１０により囲み形成される
送風機１１１を内部に設け、送風機１１１の吸込口１１
２近傍には吸込用アダプター１０３から吸い込まれた空
気を吸込口１１２に導く導風板１１３および案内板１１
４を設け本体１１５を形成していた。[0003] As shown in the figure, a box-like shape whose lateral dimension B is larger than vertical dimension A has a suction adapter 103 to which a suction duct 102 communicating with a room 101 is connected at one end, and an outdoor 104 at the other end. The discharge adapter 106 to which the discharge duct 105 is connected is provided.
07, a fan 109 driven by a motor 108 attached to the blower 111 is provided inside a casing 110.
In the vicinity of 2, a baffle plate 113 and a guide plate 11 for guiding air sucked from the suction adapter 103 to the suction port 112.
4 to form the main body 115.
【０００４】そして、天井裏上面１１６に固定された吊
りボルト１１７に取り付けられる吊り金具１１８を本体
１１５の横寸法対向面となる側面１１９に取り付け、本
体１１５をモーター１０８が下方側に位置するように天
井裏１２０内に設置し、天井面１２１には本体１１５に
設けたモーター１０８や電装部１２２の点検ができるよ
うに本体１１５の下方に点検口１２３を設けていた。[0004] A hanging bracket 118 attached to a hanging bolt 117 fixed to an upper surface 116 above the ceiling is attached to a side surface 119 serving as a laterally opposed surface of the main body 115 so that the main body 115 is positioned on the lower side. An inspection port 123 is provided below the main body 115 so that the motor 108 and the electric component 122 provided on the main body 115 can be inspected on the ceiling surface 121.
【０００５】上記構成において、点検口１２３の位置が
本体１１５の下に位置できないときには、図１９に示す
ように、本体１１５を９０°変換して本体１１５に設け
たモーター１０８や電装部１２２が点検口１２３からメ
ンテナンスできるように本体１１５を縦長状態に設置す
る必要があるため、本体１１５の縦寸法Ａに対応するよ
うに吊りボルト１１７の標準位置のピッチ間隔Ｆより狭
いピッチ間隔Ｇに寸法変更して吊りボルト１１７を設け
ていた。In the above configuration, when the position of the inspection port 123 cannot be positioned below the main body 115, as shown in FIG. Since the main body 115 needs to be installed in a vertically long state so that the main body 115 can be maintained from the mouth 123, the pitch is changed to a pitch G which is smaller than the standard pitch F of the suspension bolt 117 so as to correspond to the vertical dimension A of the main body 115. Hanging bolt 117 was provided.
【０００６】また、本体内に設けられる送風機からの騒
音を緩和するため、図２０および図２１に示されるよう
な本体構造のものがあった。In order to reduce noise from a blower provided in the main body, there has been a main body structure as shown in FIGS.
【０００７】図に示すように、本体１３１の内部に通風
路１３２を形成する送風機のケーシング１３３と、ケー
シング１３３内を区画する一対の隔壁１３４と１３５を
設け、風路１３６と、風路１３７に区分けされ、隔壁１
３４にはファン１３８を取り付けたモーター１３９を取
り付け、モーター１３９に対向するケーシング１３３内
にモーター側吸音材１４０を設け、ファン１３８に対向
する側の隔壁１３５には吸込口１４１を設け、吸込口１
４１に対向するケーシング１３３内に吸込側吸音材１４
２を設けていた。As shown in the figure, a casing 133 of a blower forming an air passage 132 inside a main body 131 and a pair of partition walls 134 and 135 for partitioning the inside of the casing 133 are provided, and an air passage 136 and an air passage 137 are provided. Partitioned, partition 1
A motor 139 to which a fan 138 is attached is attached to 34, a motor-side sound absorbing material 140 is provided in a casing 133 facing the motor 139, and a suction port 141 is provided to a partition 135 on a side facing the fan 138.
The suction side sound absorbing material 14
2 was provided.
【０００８】[0008]
【発明が解決しようとする課題】このような従来のダク
ト用換気扇の構成では、本体１１５の縦寸法Ａは建物の
天井裏１２０の高さの減少にともない圧縮傾向にあり、
所定の風量を得るためには本体１１５の横寸法を大きく
する必要があり、縦寸法Ａと横寸法Ｂを同一にすること
は困難となっているので、本体１１５の配置方向を変更
すると標準設置の吊りボルト１１７のピッチ間隔Ｆと配
置変更後のピッチ間隔Ｇが変わることとなり、吊りボル
ト１１７の位置変更のための施工に手間が増えるという
課題があった。In such a configuration of the conventional duct ventilation fan, the vertical dimension A of the main body 115 tends to be compressed as the height of the ceiling 120 of the building decreases,
In order to obtain a predetermined air volume, it is necessary to increase the horizontal dimension of the main body 115, and it is difficult to make the vertical dimension A and the horizontal dimension B the same. Therefore, the pitch interval F of the suspension bolts 117 and the pitch interval G after the arrangement of the suspension bolts 117 are changed.
【０００９】また、吸音材を設けたものにおいては、モ
ーター側吸音材１４０と吸込側吸音材１４２を設けるた
めに本体１３１の横寸法が大きくなるとともに、モータ
ー１３９が本体１３１内に存在するため、モーター１３
９の放熱が悪くなるという課題があった。Further, in the case where the sound absorbing material is provided, the lateral dimension of the main body 131 becomes large because the motor side sound absorbing material 140 and the suction side sound absorbing material 142 are provided, and the motor 139 is provided in the main body 131. Motor 13
9 has a problem that heat radiation becomes worse.
【００１０】本発明は上記課題を解決するもので、施工
設計変更に対して既施工部分となる吊りボルトの位置変
更をする必要がなく、本体の設置の可能な、また、本体
の強度アップ可能な、また、本体寸法の増加なしに吸音
効果をもたらすことのできるダクト用換気扇を提供する
ことを目的とする。[0010] The present invention solves the above-mentioned problems, and it is not necessary to change the position of a suspension bolt, which is an already-constructed portion, in response to a change in construction design. It is another object of the present invention to provide a duct ventilation fan capable of providing a sound absorbing effect without increasing the size of the main body.
【００１１】[0011]
【課題を解決するための手段】本発明のダクト用換気扇
においては、縦寸法より横寸法が大きい箱状で、吸込用
開口部および吐出用開口部を有し、内部に吸込用開口部
より吸い込んだ空気を吐出用開口部に送風する送風機を
設けた本体と、天井裏上面に固定された吊りボルトに設
けられる吊り金具と、この吊り金具と前記本体間に介在
される形状で前記本体の縦寸法と横寸法の差の厚みを有
する補助金具とを備え、前記本体を横長状態に設置する
ときには本体の横寸法対向面に直接前記吊り金具を取り
付け、前記本体を縦長状態に設置するときには、本体の
縦寸法対向面に前記補助金具を介して吊り金具を取り付
ける構成としたものである。The duct ventilation fan according to the present invention has a box shape having a horizontal dimension larger than a vertical dimension, and has a suction opening and a discharge opening. A main body provided with a blower for blowing air to the discharge opening, a hanging metal provided on a hanging bolt fixed to the upper surface above the ceiling, and a vertical shape of the main body interposed between the hanging metal and the main body. An auxiliary metal fitting having a thickness of a difference between the dimension and the horizontal dimension, wherein when installing the main body in the horizontal state, the hanging metal fitting is directly attached to the horizontal dimension facing surface of the main body, and when installing the main body in the vertical state, the main body is provided. The hanging metal fitting is attached to the vertical dimension facing surface via the auxiliary metal fitting.
【００１２】この発明によれば、施工設計変更に対して
既施工部分となる吊りボルトの位置変更をする必要がな
く、本体の設置の可能なダクト用換気扇を提供すること
ができる。According to the present invention, there is no need to change the position of the suspension bolt, which is an already-constructed portion, in response to a change in construction design, and it is possible to provide a ventilation fan for a duct in which the main body can be installed.
【００１３】[0013]
【発明の実施の形態】本発明の請求項１に記載の発明
は、縦寸法より横寸法が大きい箱状で、吸込用開口部お
よび吐出用開口部を有し、内部に吸込用開口部より吸い
込んだ空気を吐出用開口部に送風する送風機を設けた本
体と、前記吸込用開口部に設けられるシャッターを内蔵
したダクト接続用の吸気用アダプターと、前記吐出用開
口部に設けられるダクト接続用の吐出用アダプターと、
天井裏上面に固定された吊りボルトに係合される吊り金
具と、この吊り金具と前記本体間に介在される形状で前
記本体の縦寸法と横寸法の差の厚みを有する補助金具と
を備え、前記本体を横長状態に設置するときには本体の
横寸法対向面に直接前記吊り金具を取り付け、前記本体
を縦長状態に設置するときには、本体の縦寸法対向面に
前記補助金具を介して吊り金具を取り付けるダクト用換
気扇の構成としたものであり、通常は本体を横長状態に
設置する標準設置状態で本体を保持するように天井裏上
面に固定される吊りボルトのピッチ間隔は決定されてい
るが、天井面に設けられる点検口との関係から本体を縦
長状態に設置する必要が生じた場合には、補助金具を本
体と吊り金具間に介在させることにより、標準設置の既
設の吊りボルトにより本体を保持することができること
となり、既設の吊りボルトの位置を変更する施工を行う
必要がなくなるという作用を有する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is a box-like shape having a horizontal dimension larger than a vertical dimension, and has a suction opening and a discharge opening. A body provided with a blower for blowing the sucked air to the discharge opening, a duct connection intake adapter having a built-in shutter provided in the suction opening, and a duct connection provided in the discharge opening Discharge adapter,
A hanging metal fitting is engaged with a hanging bolt fixed to the upper surface above the ceiling, and an auxiliary metal fitting is provided between the hanging metal and the main body and has a thickness corresponding to a difference between a vertical dimension and a horizontal dimension of the main body. When the main body is installed in the horizontally long state, the hanging bracket is directly attached to the laterally facing surface of the main body, and when the main body is installed in the vertically long state, the hanging bracket is mounted on the vertically facing surface of the main body via the auxiliary metal fitting. It is a configuration of a ventilation fan for duct to be attached, and the pitch interval of suspension bolts fixed to the upper surface above the ceiling is usually determined so that the main body is held in the standard installation state where the main body is installed in the landscape state normally, If it becomes necessary to install the main unit vertically in relation to the inspection port provided on the ceiling surface, the auxiliary bracket is interposed between the main unit and the hanging bracket, so that the existing Ri becomes to be able to hold the main body, has the effect of it is not necessary to perform a construction for changing the position of the existing hanger rod.
【００１４】以下、本発明の実施の形態について図１〜
図１５を参照しながら説明する。 （実施の形態１）図１〜図６に示すように、縦寸法Ａよ
り横寸法Ｂが大きい箱状で、吸込用開口部１および吐出
用開口部２を有し、内部に吸込用開口部１より吸い込ん
だ空気を吐出用開口部２に空気流路３を介して送風する
送風機４および送風機４の吸込口５に空気を導く整流板
６を設け、本体７を形成し、送風機４は吸込口５を有し
たオリフィス８と渦巻状のケーシング９および、ファン
１０を駆動するモーター１１と電装部１２が取り付けら
れたモーター取付板１３により形成し、吸込用開口部１
には室内１４と連通する吸込用ダクト１５の接続される
吸込用アダプター１６を設け、吸込用アダプター１６内
には吸込用開口部１を開閉するシャッター１７を上部側
に設けられる支軸１８を支点に開閉自在に設け、吐出用
開口部２には室外１９と連通する吐出用ダクト２０の接
続される吐出用アダプター２１を設ける。Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. (Embodiment 1) As shown in FIGS. 1 to 6, it is a box shape having a horizontal dimension B larger than a vertical dimension A, having a suction opening 1 and a discharge opening 2, and having a suction opening inside. A blower 4 for blowing the air sucked from 1 to the discharge opening 2 through the air flow path 3 and a rectifying plate 6 for guiding the air to a suction port 5 of the blower 4 are provided to form a main body 7. An orifice 8 having a mouth 5 and a spiral casing 9 and a motor mounting plate 13 to which a motor 11 for driving a fan 10 and an electrical component 12 are mounted are provided.
Is provided with a suction adapter 16 to which a suction duct 15 communicating with the room 14 is connected. A shutter 17 for opening and closing the suction opening 1 is provided in the suction adapter 16 with a support shaft 18 provided on the upper side as a fulcrum. The discharge opening 2 is provided with a discharge adapter 21 to which a discharge duct 20 communicating with the outside 19 is connected.
【００１５】そして、天井裏上面２２には本体７を横長
状態の標準設置ができるようにピッチ間隔Ｃでもって吊
りボルト２３を固定し、吊りボルト２３と本体７と連結
する逆Ｌ字状の吊り金具２４を設け、本体７の縦寸法Ａ
と横寸法Ｂの差に相当する厚みとなる高さを有する取っ
手形状の補助金具２５を一方は吊り金具２４に、他方は
本体７に取り付けられるように形成する。On the upper surface 22 above the ceiling, hanging bolts 23 are fixed at pitches C so that the main body 7 can be installed horizontally in a standard state, and an inverted L-shaped hanging body is connected to the hanging bolt 23 and the main body 7. The fitting 24 is provided, and the vertical dimension A of the main body 7 is set.
And a handle-shaped auxiliary metal fitting 25 having a height corresponding to the difference between the horizontal dimension B and the main body 7.
【００１６】上記構成において、本体７を標準設置する
場合には、標準設置できるようにピッチ間隔Ｃでもって
天井裏上面２２に固定された吊りボルト２３間にモータ
ー１１が下方に位置するように本体７を挿入し、本体７
に吊り金具２４を取り付け、吊りボルト２３に本体７を
吊り下げ設置し、吸込用開口部１には室内１４と連通す
る吸込用ダクト１５を吸込用アダプター１６を介して接
続し、吐出用開口部２には室外１９と連通する吐出用ダ
クト２０を吐出用アダプター２１を介して接続し、本体
７の下方の天井面２６に開閉自在な点検口２７を形成
し、モーター１１や電装部１２のメンテナンス時には、
点検口２７を開放することにより、本体７に設けたモー
ター１１や電装部１２が露出されメンテナンスを行うこ
ととなる。In the above configuration, when the main body 7 is installed as a standard, the main body 7 is positioned so that the motor 11 is located below between the suspension bolts 23 fixed to the upper surface 22 above the ceiling at a pitch C so that the main body 7 can be installed as a standard. Insert the main body 7
The main body 7 is suspended from the suspension bolts 23, and a suction duct 15 communicating with the room 14 is connected to the suction opening 1 via a suction adapter 16, and a discharge opening is provided. A discharge duct 20 communicating with the outdoor 19 is connected to the outside 2 via a discharge adapter 21, an openable and closable inspection port 27 is formed in a ceiling surface 26 below the main body 7, and maintenance of the motor 11 and the electrical component unit 12 is performed. Sometimes,
By opening the inspection port 27, the motor 11 and the electrical unit 12 provided on the main body 7 are exposed and maintenance is performed.
【００１７】また、本体７の下方位置に点検口２７を形
成することが不可能な場合において、吊りボルト２３が
標準のピッチ間隔Ｃで設けられている場合には、本体７
に設けたモーター１１や電装部１２が点検口２７の形成
される側に向くように、本体７を縦長状態に変換し、本
体７の点検口２７側に対応する縦寸法対向面となる一側
面に取っ手形状の補助金具２５を取り付け、補助金具２
５をもって位置調整しながら補助金具２５に吊り金具２
４を取り付け、本体７を吊り下げ、吸込用アダプター１
６に設けられたシャッター１７の支軸１８が上部側に位
置するように吸込用アダプター１６を変換して吸込用ダ
クト１５を接続する。When it is impossible to form the inspection port 27 below the main body 7 and the suspension bolts 23 are provided at the standard pitch C,
The main body 7 is converted into a vertically long state so that the motor 11 and the electrical component 12 provided on the main body 7 face the side where the inspection port 27 is formed, and one side which is a vertical dimension facing surface corresponding to the inspection port 27 side of the main body 7. A handle-shaped auxiliary fitting 25 is attached to the
5 and the hanging bracket 2 is attached to the auxiliary bracket 25 while adjusting the position.
4 and the main body 7 is suspended, and the suction adapter 1 is attached.
The suction adapter 16 is converted to connect the suction duct 15 so that the support shaft 18 of the shutter 17 provided at 6 is located on the upper side.
【００１８】そして、送風機４を運転すると、室内１４
の空気が吸込用ダクト１５を通り吸込用アダプター１６
内に設けたシャッター１７が開放し、吸込用開口部１よ
り本体７内に吸い込まれ、整流板６により吸込口５に導
かれるように空気流路３を通り吐出用開口部２より吐出
用ダクト２０を通り室外１９に換気されることとなる。When the blower 4 is operated, the indoor 14
Air passes through the suction duct 15 and the suction adapter 16
The shutter 17 provided therein is opened, is sucked into the main body 7 from the suction opening 1, passes through the air passage 3 so as to be guided to the suction port 5 by the rectifying plate 6, and is discharged from the discharge opening 2. It passes through 20 and is ventilated outside 19.
【００１９】このように本発明の実施の形態１のダクト
用換気扇によれば、本体７の下方に点検口２７を設置で
きない場合において、吊りボルト２３が標準のピッチ間
隔Ｃで設けられている場合でも、吊りボルト２３の位置
を変える工事を行う必要がなく、メンテナンスが容易に
できるように本体７を吊り下げ設置することができる。As described above, according to the duct ventilation fan of the first embodiment of the present invention, when the inspection port 27 cannot be installed below the main body 7 and the hanging bolts 23 are provided at the standard pitch C. However, it is not necessary to change the position of the suspension bolt 23, and the main body 7 can be suspended and installed for easy maintenance.
【００２０】また、補助金具２５を取っ手形状に形成し
ているので、補助金具２５を用いて本体７の運搬や、設
置時の位置調整を容易に行うことができ、作業性を向上
することができる。Further, since the auxiliary metal fitting 25 is formed in a handle shape, it is possible to easily carry the main body 7 and adjust the position at the time of installation using the auxiliary metal fitting 25, thereby improving workability. it can.
【００２１】（実施の形態２）図７〜図１０に示すよう
に、吸込用アダプター１６Ａに設けられるシャッター１
７Ａの支軸１８Ａに接続される回転軸２８を有したシャ
ッター駆動用モーター２９を吸込用アダプター１６Ａの
外方位置に設け、電装部１２を介して送風機４と連動運
転されるように設ける。(Embodiment 2) As shown in FIGS. 7 to 10, a shutter 1 provided on a suction adapter 16A
A shutter driving motor 29 having a rotation shaft 28 connected to the support shaft 18A of the 7A is provided at a position outside the suction adapter 16A, and is provided so as to be operated in conjunction with the blower 4 via the electrical unit 12.
【００２２】上記構成において、送風機４を運転すると
シャッター駆動用モーター２９も運転されて、シャッタ
ー１７Ａが支軸１８Ａを支点に開放され、実施の形態１
と同様に換気を行うことができることとなる。In the above configuration, when the blower 4 is operated, the shutter driving motor 29 is also operated, and the shutter 17A is opened around the support shaft 18A as a fulcrum.
The ventilation can be performed in the same manner as the above.
【００２３】そして、本体７を標準設置の横長状態から
縦長状態に変換させた場合においても、シャッター１７
Ａは、シャッター駆動用モーター２９により強制的に開
放されることとなるとともに、シャッター１７Ａの支軸
１８Ａの位置が上下、左右のどの方向の位置においても
シャッターを開放することができることとなる。Even when the main body 7 is changed from the standard horizontally installed state to the vertically long state, the shutter 17
A is forcibly opened by the shutter driving motor 29, and the shutter can be opened when the position of the support shaft 18A of the shutter 17A is up, down, left, or right.
【００２４】このように本発明の実施の形態２のダクト
用換気扇によれば、本体７が標準設置位置とは別の方向
に変換され、吸込用アダプター１６Ａに設けられるシャ
ッター１７Ａの支軸１８Ａの位置が上部位置から他の方
向に変わっても、吸込用アダプター１６Ａの方向を変え
る必要がないので、施工時間の短縮が図れるとともに、
吸込用アダプター１６Ａをどの方向に向けて設置しても
よいので設置時の作業性を向上することができる。As described above, according to the duct ventilation fan according to the second embodiment of the present invention, the main body 7 is changed in a direction different from the standard installation position, and the support shaft 18A of the shutter 17A provided on the suction adapter 16A is provided. Even if the position changes from the upper position to another direction, it is not necessary to change the direction of the suction adapter 16A, so that the construction time can be reduced,
Since the suction adapter 16A may be installed in any direction, the workability at the time of installation can be improved.
【００２５】（実施の形態３）図１１および図１２に示
すように、断面がほぼＵ字状に形成され、上端に内方に
曲折した上片３０を形成し、端部にも内方に曲折した側
片３１を設け、側面３２には内側に向かい突出する切起
し片３３を対向して複数設けて第１のフレーム３４を形
成し、第１のフレーム３４に設けた一対の切起し片３３
に一端が載置され、他端が第１のフレーム３４に係止さ
れる整流板６を第１のフレーム３４内に設け、切起し片
３３に載置された整流板６の一端を切起し片３３との間
に挟み保持するように第１のフレーム３４の切起し片３
３上に載置される形状で吸込口５を有し、上面には渦巻
状のケーシング９を保持する保持片３５を切起し設けて
オリフィス８を形成する。(Embodiment 3) As shown in FIGS. 11 and 12, a cross section is formed substantially in a U-shape, and an upper piece 30 which is bent inward at the upper end is formed. A bent side piece 31 is provided, and a plurality of cut-and-raised pieces 33 protruding inwardly are provided on a side surface 32 to form a first frame 34, and a pair of cut-and-raised portions provided on the first frame 34 are formed. Piece 33
A rectifying plate 6 having one end mounted thereon and the other end locked to the first frame 34 is provided in the first frame 34, and one end of the rectifying plate 6 mounted on the cut and raised piece 33 is cut off. The cut-and-raised piece 3 of the first frame 34 is held between the
An orifice 8 is formed by cutting and raising a holding piece 35 for holding a spiral casing 9 on the upper surface.
【００２６】そして、ほぼ逆Ｕ字状で側片の一方に吸込
用開口部１を有し、他方に吐出用開口部２を形成し、上
面にファン１０が挿入される挿入孔３６を設けて第１の
フレーム３４の上片３０上に係止され、渦巻状のケーシ
ング９の上部を保持するように第２のフレーム３７を形
成し、第２のフレーム３７の上に載置される形状でファ
ン１０を設けモーター１１を取り付けたモーター取付板
１３には、モーター取付板１３の４周のうち、第１のフ
レーム３４の上片３０上に載置される側の対向する２辺
の端部に下方に曲折した下向補強片３８を形成し、他の
対向する２辺の端部に上方に曲折した上向補強片３９を
形成し、モーター取付板１３を第１のフレーム３４にね
じ４０で取り付けるために、ねじ４０の貫通孔４１をモ
ーター取付板１３と第２のフレーム３７に設け、第１の
フレーム３４にはねじ４０の螺合するねじ孔４２を設け
る。A substantially inverted U-shaped side piece has a suction opening 1 on one side, a discharge opening 2 on the other side, and an insertion hole 36 into which the fan 10 is inserted. The second frame 37 is formed so as to be locked on the upper piece 30 of the first frame 34 and to hold the upper part of the spiral casing 9, and to be placed on the second frame 37. The motor mounting plate 13 on which the fan 10 is mounted and the motor 11 is mounted has, on four sides of the motor mounting plate 13, two opposite ends on the side mounted on the upper piece 30 of the first frame 34. A downward reinforcing piece 38 bent downward is formed at the other end, and an upward reinforcing piece 39 bent upward is formed at the end of the other two opposite sides, and the motor mounting plate 13 is attached to the first frame 34 with screws 40. In order to attach the motor mounting plate 13 Provided on the second frame 37, the first frame 34 is provided a screw hole 42 for screwing the screws 40.
【００２７】上記構成において、本体７を組立て形成す
るときには、第１のフレーム３４の一対の切起し片３３
に整流板６の一端を載置した状態で整流板６の他方を第
１のフレーム３４に機械的に固定し、オリフィス８を切
起し片３３上に載置し、オリフィス８の上面に設けた保
持片３５に渦巻状のケーシング９を保持し、第２のフレ
ーム３７を第１のフレーム３４の上片３０に当てがい、
第２のフレーム３７の吸込用開口部１および吐出用開口
部２を設けた側片を第１のフレーム３４の側片３１に当
てがい機械的に固定し、渦巻状のケーシング９の上部を
第２のフレーム３７で保持する。In the above configuration, when the main body 7 is assembled and formed, the pair of cut-and-raised pieces 33 of the first frame 34 is formed.
The other end of the rectifying plate 6 is mechanically fixed to the first frame 34 with one end of the rectifying plate 6 mounted thereon, and the orifice 8 is cut and raised to be mounted on the piece 33 and provided on the upper surface of the orifice 8. The holding piece 35 holds the spiral casing 9, and the second frame 37 is applied to the upper piece 30 of the first frame 34,
The side piece provided with the suction opening 1 and the discharge opening 2 of the second frame 37 is applied to the side piece 31 of the first frame 34 and mechanically fixed, and the upper part of the spiral casing 9 is placed in the second position. It is held by the second frame 37.
【００２８】そして、モーター取付板１３に設けた下向
補強片３８で第１のフレーム３４の側面３２を挟むよう
に第２のフレーム３７に設けたファン１０の挿入孔３６
内にファン１０を挿入して第２のフレーム３７上にモー
ター取付板１３を載置し、ねじ４０をモーター取付板１
３および第２のフレーム３７内に設けた貫通孔４１を通
して第１のフレーム３４に設けたねじ孔４２に螺合して
モーター取付板１３を取り付け本体７を形成する。The insertion hole 36 of the fan 10 provided in the second frame 37 is provided so that the side face 32 of the first frame 34 is sandwiched by the downward reinforcing pieces 38 provided in the motor mounting plate 13.
The motor mounting plate 13 is placed on the second frame 37 with the fan 10 inserted therein, and the screw 40 is attached to the motor mounting plate 1.
The motor mounting plate 13 is attached to the screw holes 42 provided in the first frame 34 through the through holes 41 provided in the third and second frames 37 to form the main body 7.
【００２９】このように本発明の実施の形態３のダクト
用換気扇によれば、渦巻状のケーシング９およびオリフ
ィス８の固定は機械的な固定をしていないので、部品点
数も削減できるとともに、一方向からの組立てが可能と
なり、作業工数も削減され安価な本体７を提供できるこ
ととなる。As described above, according to the duct ventilation fan of the third embodiment of the present invention, since the spiral casing 9 and the orifice 8 are not mechanically fixed, the number of parts can be reduced, and the number of parts can be reduced. It is possible to assemble from any direction, the number of working steps is reduced, and an inexpensive main body 7 can be provided.
【００３０】また、重量の重いモーター１１を取り付け
るモーター取付板１３には下向補強片３８と上向補強片
３９が設けられているので、モーター取付板１３が本体
７の下側に設けられても本体７およびモーター取付板１
３は変形することがなくなり品質の向上を図ることがで
きる。Further, the motor mounting plate 13 for mounting the heavy motor 11 is provided with the downward reinforcing pieces 38 and the upward reinforcing pieces 39, so that the motor mounting plate 13 is provided on the lower side of the main body 7. Body 7 and motor mounting plate 1
No. 3 does not deform and the quality can be improved.
【００３１】（実施の形態４）図１３〜図１５に示すよ
うに、整流板６Ａの表面に吸音材４３を設け、オリフィ
ス８Ａの吸込用開口部１側の上面に支持片４４を設け、
支持片４４に吸音材からなる遮音壁４５を立設し、遮音
壁４５が吸込用開口部１と渦巻状のケーシング９間に配
設されるように設ける。(Embodiment 4) As shown in FIGS. 13 to 15, a sound absorbing material 43 is provided on the surface of the current plate 6A, and a support piece 44 is provided on the upper surface of the orifice 8A on the suction opening 1 side.
A sound insulating wall 45 made of a sound absorbing material is erected on the support piece 44, and the sound insulating wall 45 is provided between the suction opening 1 and the spiral casing 9.
【００３２】上記のように形成された本体７において、
吸込用開口部１より吸い込まれた空気は空気流路３を通
り整流板６Ａにより送風機４の吸込口５に案内されて送
風機４内に吸い込まれ、吐出用開口部２より放出され換
気される。In the main body 7 formed as described above,
The air sucked from the suction opening 1 passes through the air flow path 3 and is guided to the suction port 5 of the blower 4 by the rectifying plate 6A, is sucked into the blower 4, and is discharged from the discharge opening 2 and ventilated.
【００３３】そして、送風機４のファン１０から発生す
る騒音のうち吸込口から放散される騒音は整流板６Ａに
設けた吸音材４３に衝突し吸音され、渦巻状のケーシン
グ９より放散される騒音は遮音壁４５に衝突して遮音さ
れ、室内（図示せず）と連通する吸込用開口部１から放
散される騒音は減少されることとなる。Of the noise generated from the fan 10 of the blower 4, the noise radiated from the suction port collides with the sound absorbing material 43 provided on the rectifying plate 6A, is absorbed, and the noise radiated from the spiral casing 9 is The noise that collides with the sound insulation wall 45 and is sound-insulated and is radiated from the suction opening 1 that communicates with the room (not shown) is reduced.
【００３４】このように本発明の実施の形態４のダクト
用換気扇によれば、吸音材４３および遮音壁４５を本体
７の形状を大きくすることなく設けることが可能とな
り、吸音効果を高めることができる。As described above, according to the duct ventilation fan of the fourth embodiment of the present invention, the sound absorbing member 43 and the sound insulating wall 45 can be provided without increasing the shape of the main body 7, and the sound absorbing effect can be enhanced. .
【００３５】[0035]
【発明の効果】以上の実施例から明らかなように、本発
明によれば縦寸法より横寸法が大きい箱状で内部に送風
機を設けた本体と、天井裏上面に固定された吊りボルト
に設けた吊り金具と、吊り金具と本体間に介在される補
助金具を備え、本体を横長に設置するときには本体に直
接吊り金具を取り付け、本体を縦長に設置するときに
は、補助金具を介して吊り金具を取り付けるので、本体
を横長から縦長に設置変更する場合の施工設計変更に対
して既施工部分の吊りボルトの位置を変更する施工をす
る必要がなくなる施工性の良いダクト用換気扇を提供で
きる。As is apparent from the above embodiments, according to the present invention, a box-shaped body having a larger horizontal dimension than a vertical dimension and provided with a blower therein and a suspension bolt fixed to the upper surface above the ceiling are provided. A hanging bracket and an auxiliary bracket interposed between the hanging bracket and the main body are provided.When the main body is installed horizontally, the hanging bracket is directly attached to the main body.When the main body is installed vertically, the hanging bracket is connected via the auxiliary bracket. Since it is attached, it is possible to provide a duct ventilation fan with good workability in which there is no need to change the position of the suspension bolts of the already-constructed portion in response to a change in construction design when changing the installation of the main body from landscape to portrait.
【００３６】また、補助金具を取っ手形状としたので、
施工時に容易に本体を運び位置調整もでき、取り扱い性
を向上させることができる。In addition, since the auxiliary fitting is formed in a handle shape,
At the time of construction, the main body can be easily carried and the position can be adjusted, so that the handleability can be improved.
【００３７】また、吸気用アダプターに設けられるシャ
ッターを開閉するシャッター駆動用モーターを設けたの
で、本体の取り付けの施工設計変更に対して本体の構成
部品の取り付けを変更することなく、施工対応可能とす
ることができる。In addition, since a shutter drive motor for opening and closing the shutter provided on the intake adapter is provided, it is possible to cope with a change in the installation design of the main body without changing the mounting of the components of the main body. can do.
【００３８】また、本体を第１のフレームと第２のフレ
ームを機械的に固定して箱状に形成するときに、内部に
整流板とオリフィスおよび渦巻状のケーシングを挟み込
み保持させるので、部品点数を削減でき、かつ、整流板
により本体の強度アップをすることができるとともに、
一方向からの組立てが可能となり組立工数が削減でき安
価にすることができる。Further, when the main body is formed into a box shape by mechanically fixing the first frame and the second frame, the current plate, the orifice and the spiral casing are sandwiched and held inside, so that the number of parts is reduced. Can be reduced, and the strength of the main body can be increased by the rectifying plate.
Assembling from one direction is possible, so that the number of assembling steps can be reduced and the cost can be reduced.
【００３９】また、整流板の表面に吸音材を設け、渦巻
状のケーシングと吸込用開口部間に遮音壁を配設したの
で、本体寸法を大きくすることなく吸音効果を高めるこ
とができる。Further, since the sound absorbing material is provided on the surface of the current plate and the sound insulating wall is provided between the spiral casing and the suction opening, the sound absorbing effect can be enhanced without increasing the size of the main body.
【００４０】また、モーター取付板に下向補強片と上向
補強片を設けたので、重量の重いモーター等が下向きに
取り付けられても本体およびモーター取付板が変形する
ことがなく品質の向上を図ることができる。Further, since the downward reinforcing piece and the upward reinforcing piece are provided on the motor mounting plate, even when a heavy motor or the like is mounted downward, the main body and the motor mounting plate are not deformed and the quality is improved. Can be planned.
【図１】（ａ）本発明の実施の形態１のダクト用換気扇
の本体を横長に設置した状態を示す斜視図 （ｂ）同ダクト用換気扇の本体を縦長に設置した状態を
示す斜視図FIG. 1A is a perspective view showing a state where a main body of a duct ventilation fan according to a first embodiment of the present invention is installed horizontally, and FIG. 1B is a perspective view showing a state where the main body of the duct ventilation fan is installed vertically.
【図２】同ダクト用換気扇を天井裏に設置した状態を示
す概略図FIG. 2 is a schematic diagram showing a state where the ventilation fan for the duct is installed above a ceiling.
【図３】同ダクト用換気扇の本体の内部構成を示す概略
断面図FIG. 3 is a schematic sectional view showing an internal configuration of a main body of the ventilation fan for the duct.
【図４】同ダクト用換気扇の本体の構成を示す下面図FIG. 4 is a bottom view showing the configuration of the main body of the ventilation fan for the same duct.
【図５】同ダクト用換気扇の本体の横長設置時の状態を
示す側面図FIG. 5 is a side view showing a state in which the main body of the ventilation fan for the duct is horizontally installed.
【図６】同ダクト用換気扇の本体の縦長設置時の状態を
示す側面図FIG. 6 is a side view showing a state in which the main body of the ventilation fan for the duct is installed vertically.
【図７】本発明の実施の形態２のダクト用換気扇の本体
の内部構成を示す概略断面図FIG. 7 is a schematic sectional view showing the internal configuration of the main body of the duct ventilation fan according to the second embodiment of the present invention.
【図８】同ダクト用換気扇のモーターを下側に向けた本
体の状態を示す側面図FIG. 8 is a side view showing a state of the main body with the motor of the duct ventilation fan facing downward.
【図９】同ダクト用換気扇のモーターを右側に向けた本
体の状態を示す側面図FIG. 9 is a side view showing a state of the main body in which the motor of the ventilation fan for the duct is directed to the right side.
【図１０】同ダクト用換気扇のモーターを左側に向けた
本体の状態を示す側面図FIG. 10 is a side view showing the state of the main body with the motor of the ventilation fan for the duct facing left.
【図１１】本発明の実施の形態３のダクト用換気扇の本
体の構成を示す分解斜視図FIG. 11 is an exploded perspective view showing the configuration of the main body of the duct ventilation fan according to the third embodiment of the present invention.
【図１２】同ダクト用換気扇の渦巻状ケーシング部分の
構成を示す概略図FIG. 12 is a schematic diagram showing a configuration of a spiral casing portion of the ventilation fan for the duct.
【図１３】本発明の実施の形態４のダクト用換気扇の本
体の内部構成を示す概略断面図FIG. 13 is a schematic sectional view showing the internal configuration of the main body of the duct ventilation fan according to the fourth embodiment of the present invention.
【図１４】同ダクト用換気扇の本体の構成を示す分解斜
視図FIG. 14 is an exploded perspective view showing the configuration of the main body of the ventilation fan for the duct.
【図１５】同ダクト用換気扇の渦巻状ケーシング部分の
構成を示す概略図FIG. 15 is a schematic view showing a configuration of a spiral casing part of the ventilation fan for the duct.
【図１６】従来のダクト用換気扇を天井裏に設置した状
態を示す概略図FIG. 16 is a schematic view showing a state where a conventional ventilation fan for a duct is installed above a ceiling.
【図１７】同ダクト用換気扇の本体の内部構成を示す概
略断面図FIG. 17 is a schematic sectional view showing the internal configuration of the main body of the ventilation fan for the duct.
【図１８】同ダクト用換気扇を横長に設置した状態を示
す斜視図FIG. 18 is a perspective view showing a state where the ventilation fan for the duct is installed horizontally long.
【図１９】同ダクト用換気扇を縦長に設置した状態を示
す斜視図FIG. 19 is a perspective view showing a state where the duct ventilation fan is installed in a vertically long state.
【図２０】従来の吸音材を設けたダクト用換気扇を天井
裏に設置した状態を示す概略図FIG. 20 is a schematic view showing a state in which a conventional duct ventilation fan provided with a sound absorbing material is installed above a ceiling.
【図２１】同吸音材を設けたダクト用換気扇の送風機部
分の構成を示す断面図FIG. 21 is a cross-sectional view showing a configuration of a blower portion of a duct ventilation fan provided with the sound absorbing material.
１ 吸込用開口部 ２ 吐出用開口部 ４ 送風機 ６ 整流板 ６Ａ 整流板 ７ 本体 ８ オリフィス ８Ａ オリフィス ９ 渦巻状ケーシング １０ ファン １１ モーター １３ モーター取付板 １６ 吸込用アダプター １６Ａ 吸込用アダプター １７ シャッター １７Ａ シャッター ２１ 吐出用アダプター ２２ 天井裏上面 ２３ 吊りボルト ２４ 吊り金具 ２５ 補助金具 ２９ シャッター駆動用モーター ３０ 上片 ３２ 側面 ３３ 切起し片 ３４ 第１のフレーム ３５ 保持片 ３６ ファン挿入孔 ３７ 第２のフレーム ３８ 下向補強片 ３９ 上向補強片 ４３ 吸音材 ４５ 遮音壁 REFERENCE SIGNS LIST 1 suction opening 2 discharge opening 4 blower 6 rectifier plate 6A rectifier plate 7 main body 8 orifice 8A orifice 9 spiral casing 10 fan 11 motor 13 motor mounting plate 16 suction adapter 16A suction adapter 17 shutter 17A shutter 21 discharge Adapter for ceiling 22 Upper surface above ceiling 23 Suspension bolt 24 Suspension fitting 25 Auxiliary fitting 29 Shutter drive motor 30 Upper piece 32 Side face 33 Cut-up piece 34 First frame 35 Holding piece 36 Fan insertion hole 37 Second frame 38 Downward Reinforcement piece 39 Upward reinforcement piece 43 Sound absorbing material 45 Sound insulation wall
Claims (6)
用開口部および吐出用開口部を有し、内部に吸込用開口
部より吸い込んだ空気を吐出用開口部に送風する送風機
を設けた本体と、前記吸込用開口部に設けられるシャッ
ターを内蔵したダクト接続用の吸気用アダプターと、前
記吐出用開口部に設けられるダクト接続用の吐出用アダ
プターと、天井裏上面に固定された吊りボルトに係合さ
れる吊り金具と、この吊り金具と前記本体間に介在され
る形状で前記本体の縦寸法と横寸法の差の厚みを有する
補助金具とを備え、前記本体を横長状態に設置するとき
には本体の横寸法対向面に直接前記吊り金具を取り付
け、前記本体を縦長状態に設置するときには、本体の縦
寸法対向面に前記補助金具を介して吊り金具を取り付け
る構成としたダクト用換気扇。1. A blower having a box shape having a larger horizontal dimension than a vertical dimension, having a suction opening and a discharge opening, and internally provided with a blower for blowing air sucked from the suction opening to the discharge opening. Main body, a duct connection suction adapter having a built-in shutter provided in the suction opening, a duct connection discharge adapter provided in the discharge opening, and a suspension fixed to the upper surface above the ceiling. A suspension fitting engaged with a bolt, and an auxiliary fitting having a difference between a vertical dimension and a lateral dimension of the main body in a shape interposed between the suspension fitting and the main body, and the main body is installed in a horizontally long state. When mounting, the hanging bracket is directly attached to the horizontal facing surface of the main body, and when the main body is installed in the vertically elongated state, the duct is configured to attach the hanging bracket to the vertical facing surface of the main body via the auxiliary fitting. Ventilation fan.
載のダクト用換気扇。2. The duct ventilation fan according to claim 1, wherein the auxiliary fitting has a handle shape.
ーを開閉するシャッター駆動用モーターを設けた請求項
１、または２記載のダクト用換気扇。3. The ventilation fan for a duct according to claim 1, further comprising a shutter drive motor for opening and closing a shutter provided on the intake adapter.
に曲折した上片を形成し、側面に内側に向かい突出する
切起し片を対向して複数設けた第１のフレームと、この
第１のフレームに設けた一対の切起し片に一端が載置さ
れ前記第１のフレーム内に配設される整流板と、この整
流板の一端を前記切起し片との間に挟み保持するように
載置される形状で上面に送風機の渦巻状のケーシングを
保持する保持片を切り起こし設けたオリフィスと、ほぼ
逆Ｕ字状で側片の一方に吸込用開口部を有し、他方に吐
出用開口部を形成し、上面に送風機のファン挿入孔を設
け、前記第１のフレームの上片上に係止され、前記渦巻
状ケーシングの上部を保持する第２のフレームと、この
第２のフレーム上に載置される形状で送風機のファンと
モーターを設けたモーター取付板とを備え、前記モータ
ー取付板を前記第２のフレームを係止した第１のフレー
ムの上片に係止して本体を形成する構成とした請求項
１，２、または３記載のダクト用換気扇。4. A first frame having a substantially U-shaped cross section, an inwardly bent upper piece formed at the upper end, and a plurality of cut-and-raised pieces protruding inward on the side faces. An end is placed between a pair of cut-and-raised pieces provided on the first frame, and a straightening plate disposed in the first frame and one end of the straightening plate is cut and raised between the cut-and-raised piece. It has an orifice formed by cutting and raising a holding piece that holds the spiral casing of the blower on the upper surface in a shape that is placed so as to be sandwiched and held, and a suction opening in one of the side pieces in a substantially inverted U shape. A second frame that forms a discharge opening on the other side, has a fan insertion hole for a blower on the upper surface, is locked on an upper piece of the first frame, and holds an upper part of the spiral casing; A motor provided with a fan and a motor of the blower in a shape mounted on the second frame. 4. A motor mounting plate according to claim 1, wherein said motor mounting plate is locked to an upper piece of said first frame to which said second frame is locked to form a main body. Ventilation fan for duct.
られる吸音材と、渦巻状ケーシングと吸込用開口部間に
配設されるようにオリフィスに立設した吸音材からなる
遮音壁とを設けた請求項４記載のダクト用換気扇。5. A sound-absorbing material provided on the surface of a current plate provided in a main body, and a sound-insulating wall made of a sound-absorbing material provided upright at an orifice so as to be disposed between a spiral casing and a suction opening. The ventilation fan for a duct according to claim 4, wherein the ventilation fan is provided.
モーター取付板の４周のうち、第１のフレームの上片上
に載置される側の２辺の端部に下方に曲折した下向補強
片を形成し、他の２辺の端部に上方に曲折した上向補強
片を形成した請求項４、または５記載のダクト用換気
扇。6. A downwardly reinforcing piece bent downward at two ends of two sides of the motor mounting plate on which the fan and motor of the blower are mounted on the upper piece of the first frame. The ventilation fan for a duct according to claim 4 or 5, wherein an upward reinforcing piece bent upward is formed at an end of the other two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05281197A JP3575943B2 (en) | 1997-03-07 | 1997-03-07 | Duct ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05281197A JP3575943B2 (en) | 1997-03-07 | 1997-03-07 | Duct ventilation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10246488A true JPH10246488A (en) | 1998-09-14 |
| JP3575943B2 JP3575943B2 (en) | 2004-10-13 |
Family
ID=12925239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05281197A Expired - Fee Related JP3575943B2 (en) | 1997-03-07 | 1997-03-07 | Duct ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3575943B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007032434A (en) * | 2005-07-27 | 2007-02-08 | Mitsubishi Electric Corp | Air blowing device |
| JP2008014573A (en) * | 2006-07-06 | 2008-01-24 | Nippon Jukankyo Kk | Method for retaining airtightness around facility installed in opening of ceiling or the like, and duct ventilation fan using the method |
| JP2008190745A (en) * | 2007-02-02 | 2008-08-21 | Toyota Motor Corp | Duct installation structure in building and duct installation method |
| JP2009024958A (en) * | 2007-07-20 | 2009-02-05 | Max Co Ltd | Blower |
| CN108981063A (en) * | 2018-07-20 | 2018-12-11 | 浙江鸿安建设有限公司 | A kind of ventilation equipment with mounting support with adjustable angle |
| KR102078304B1 (en) * | 2018-08-21 | 2020-02-18 | 주식회사 신성이엔지 | Fan filter unit |
| JP2021021536A (en) * | 2019-07-29 | 2021-02-18 | パナソニックＩｐマネジメント株式会社 | Air supply fan |
| WO2023139725A1 (en) * | 2022-01-20 | 2023-07-27 | 三菱電機株式会社 | Heat exchange ventilation system |
-
1997
- 1997-03-07 JP JP05281197A patent/JP3575943B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007032434A (en) * | 2005-07-27 | 2007-02-08 | Mitsubishi Electric Corp | Air blowing device |
| JP2008014573A (en) * | 2006-07-06 | 2008-01-24 | Nippon Jukankyo Kk | Method for retaining airtightness around facility installed in opening of ceiling or the like, and duct ventilation fan using the method |
| JP4702890B2 (en) * | 2006-07-06 | 2011-06-15 | 日本住環境株式会社 | Ventilation fan for duct |
| JP2008190745A (en) * | 2007-02-02 | 2008-08-21 | Toyota Motor Corp | Duct installation structure in building and duct installation method |
| JP2009024958A (en) * | 2007-07-20 | 2009-02-05 | Max Co Ltd | Blower |
| CN108981063A (en) * | 2018-07-20 | 2018-12-11 | 浙江鸿安建设有限公司 | A kind of ventilation equipment with mounting support with adjustable angle |
| CN108981063B (en) * | 2018-07-20 | 2021-09-21 | 丁程 | Ventilation equipment with adjustable angle installing support |
| KR102078304B1 (en) * | 2018-08-21 | 2020-02-18 | 주식회사 신성이엔지 | Fan filter unit |
| JP2021021536A (en) * | 2019-07-29 | 2021-02-18 | パナソニックＩｐマネジメント株式会社 | Air supply fan |
| WO2023139725A1 (en) * | 2022-01-20 | 2023-07-27 | 三菱電機株式会社 | Heat exchange ventilation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3575943B2 (en) | 2004-10-13 |
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