JP2607226B2 - Bathroom unit ventilation / drying method and device - Google Patents
Bathroom unit ventilation / drying method and deviceInfo
- Publication number
- JP2607226B2 JP2607226B2 JP6204150A JP20415094A JP2607226B2 JP 2607226 B2 JP2607226 B2 JP 2607226B2 JP 6204150 A JP6204150 A JP 6204150A JP 20415094 A JP20415094 A JP 20415094A JP 2607226 B2 JP2607226 B2 JP 2607226B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- bathroom unit
- air supply
- air
- case
- 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.)
- Expired - Lifetime
Links
Landscapes
- Ventilation (AREA)
- Residential Or Office Buildings (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は浴室ユニットの換気・乾
燥方法及び装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for ventilating and drying a bathroom unit.
【０００２】[0002]
【従来の技術】従来、浴室ユニットに用いる同時給排気
装置としては、例えば実開昭５９−１２０８３５号公
報、実開昭５９−１６１４３３号公報、実開平１−４４
９９５号公報等に示すものが知られている。2. Description of the Related Art Conventionally, as simultaneous supply / exhaust devices used in bathroom units, for example, Japanese Utility Model Laid-Open No. 59-120835, Japanese Utility Model Laid-Open No. 59-161433, and Japanese Utility Model Application Laid-open No. 1-44.
No. 995 is known.
【０００３】図６は前壁を取り除いて示した浴室ユニッ
トの説明用正面図であって、１は浴室ユニット本体、２
は周囲の壁、３は天井、４は底面、５は浴槽、６は洗い
場、７はドア、８はドア７に形成されたガラリ、９は天
井３に設けられた同時給排気装置を示す。FIG. 6 is an explanatory front view of a bathroom unit in which a front wall is removed.
Denotes a surrounding wall, 3 denotes a ceiling, 4 denotes a bottom surface, 5 denotes a bathtub, 6 denotes a washing room, 7 denotes a door, 8 denotes a gusset formed on the door 7, and 9 denotes a simultaneous supply / exhaust device provided on the ceiling 3.
【０００４】このようなものは何れも単一のモータによ
って給気用及び排気用ファンを駆動し、側面２方向に空
気を吹き出し、中心下部から空気を排気するもので
ある。[0004] In any of these, a single motor drives an air supply and exhaust fan, blows air in two lateral directions, and exhausts air from the lower center.
【０００５】[0005]
【発明が解決しようとする課題】然しながら上記従来の
同時給排気装置を用いた浴室ユニットにおいては、排気
される空気はその大部分がドア７のガラリ８から浴室
ユニット本体１内に流入する空気であり壁２、天井３
付近の空気の流れは少なく、室内全体の効果的な換気
が期待できない。また、同時給排気装置を浴室内の乾燥
に利用するには長時間の運転が必要であった。However, in a bathroom unit using the above-described conventional simultaneous supply / exhaust device, most of the air to be exhausted is air flowing into the bathroom unit main body 1 from the gallery 8 of the door 7. There are two walls, three ceilings
The flow of air in the vicinity is small, and effective ventilation of the entire room cannot be expected. Further, long-term operation was required to use the simultaneous supply / exhaust device for drying in the bathroom.
【０００６】更に、同時給排気装置を入浴中に使用する
と空気が直接入浴者に当たり不快感を与えると共に、
壁２方向には空気の流れが効率的に発生せず、浴室ユ
ニット壁面の乾燥が不十分でカビの発生を抑制すること
ができない等の欠点があった。Further, when the simultaneous supply / exhaust device is used during bathing, the air directly hits the bather, causing discomfort, and
There was a drawback that the air flow was not efficiently generated in the direction of the wall 2 and the wall of the bathroom unit was not sufficiently dried to prevent the generation of mold.
【０００７】なお、図７，図８中、ハッチングは給気と
排気の流れを示し、ハッチングの細かい部分は気流の強
いことを示す。なおこれらの図は、壁２の各部に乾燥の
進行に伴ってＯＦＦとなる結露センサを多数配置して求
めたものである。[0007] In FIGS. 7 and 8, hatching indicates the flow of air supply and exhaust, and a small portion of the hatching indicates a strong airflow. Note that these figures are obtained by arranging a large number of dew condensation sensors that are turned off as the drying progresses on each part of the wall 2.
【０００８】本発明は上記の欠点を除くようにしたもの
である。The present invention has been made to eliminate the above disadvantages.
【０００９】本発明者は種々実験研究の結果、上記欠点
は壁に沿った空気の流れが少ないこと、単位時間当たり
の給気量が排気量に略等しいためショートサーキットを
生ずること、給気手段からの給気が天井に沿って２方向
にのみなされていることであること等により生ずるもの
であることを見い出した。As a result of various experimental studies, the inventor has found that the drawbacks are that the air flow along the wall is small, the amount of air supply per unit time is approximately equal to the amount of exhaust gas, and that a short circuit is produced. It was found that the supply of air was caused by the fact that the air supply was measured in two directions along the ceiling.
【００１０】本発明はかかる知見をもとになされたもの
である。The present invention has been made based on such findings.
【００１１】[0011]
【００１２】[0012]
【課題を解決するための手段】 本発明の浴室ユニットの
換気・乾燥方法は、浴室ユニット本体の外から浴室ユニ
ット本体内の天井面から壁に沿う流れを四周方向に給気
し、同時に天井面の上記四周方向の中心から浴室ユニッ
ト本体外に排気し、単位時間当たりの給気量を排気量よ
り少なくなるようにしたことを特徴とする。 SUMMARY OF THE INVENTION A method of ventilating and drying a bathroom unit according to the present invention is to supply a flow from the outside of the bathroom unit main body to the wall along the wall from the ceiling inside the bathroom unit main body in four circumferential directions, and at the same time, to supply air to the ceiling unit. The exhaust is discharged from the center of the four circumferential directions to the outside of the bathroom unit main body, so that the amount of air supply per unit time is smaller than the amount of exhaust.
【００１３】[0013]
【００１４】本発明の浴室ユニットの換気・乾燥装置
は、浴室ユニット本体の天井に設けた浴室ユニット本体
外から天井面から壁に沿って四方に給気する給気手段
と、この給気手段とは独立に駆動され、給気手段の下面
中心から浴室ユニット本体外に排気する排気手段とより
成る換気・乾燥装置を有し、この換気・乾燥装置が、浴
室ユニット本体内の天井面を貫通して浴室ユニット本体
内に突出せしめた排気用ケースと、この排気用ケースの
下端外周から水平方向外方に延びるフランジと、上記排
気用ケースの下面に形成した排気口と、上記排気用ケー
スの側面に形成した開口と、この開口に連通した排気用
ダクトと、上記排気用ケース内と排気用ダクト内の何れ
か一方に配置した排気用ファンと、上記排気用ケースを
空隙を介して取り囲むよう上記浴室ユニット本体の外面
に設けた給気用ケースと、この給気用ケースの側面に形
成した開口と、この開口に連通した給気用ダクトと、こ
の給気用ダクト内に配置した給気用ファンと、上記空隙
に連通するよう上記浴室ユニット本体内の天井面と上記
フランジとの間に形成された、給気の流れを上記天井面
から壁に沿って四周方向に指向せしめるための給気口
と、上記排気用ファンを駆動する駆動手段と、上記給気
用ファンをその給気が上記排気用ファンによる排気より
少なくなるよう駆動する駆動手段とより成ることを特徴
とする。The ventilation / drying device for a bathroom unit according to the present invention is provided with an air supply means provided on the ceiling of the bathroom unit main body for supplying air from outside the bathroom unit main body to the ceiling from all directions along the wall , and the air supply means. Are driven independently and the lower surface of the air supply means
A ventilating / drying device comprising an exhausting means for exhausting from the center to the outside of the bathroom unit main body, the ventilating / drying device penetrating a ceiling surface in the bathroom unit main body and projecting into the bathroom unit main body; A case, a flange extending horizontally outward from a lower end outer periphery of the exhaust case, an exhaust port formed on a lower surface of the exhaust case, an opening formed on a side surface of the exhaust case, and communicating with the opening. An exhaust duct, an exhaust fan disposed in one of the exhaust case and the exhaust duct, and an air supply provided on an outer surface of the bathroom unit body so as to surround the exhaust case via a gap. A case, an opening formed in a side surface of the air supply case, an air supply duct communicating with the opening, an air supply fan arranged in the air supply duct, and an upper air communicating with the gap. Formed between the ceiling surface and the flange of the bathroom unit body, the top surface flow of the air supply
An air supply opening for directing the air in four circumferential directions along the wall , a driving means for driving the exhaust fan, and the air supply fan driven so that the air supply is smaller than the exhaust air discharged by the exhaust fan. And driving means.
【００１５】[0015]
【実施例】以下図面によって本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１６】本発明においては図１に示すように、浴室
ユニット本体１外から浴室ユニット本体１内の天井面に
沿って水平方向四方に給気する給気手段と、この給気手
段とは独立に駆動され、天井面から浴室ユニット本体１
外に排気する排気手段とより成る換気・乾燥装置１０を
天井３に設け、給気と排気を同時に行うようにすると共
に、単位時間内の給気量と排気量の割合を略２対３、例
えば６０ｍ3 ／時対９０ｍ3 ／時ならしめる。In the present invention, as shown in FIG. 1, air supply means for supplying air from outside the bathroom unit main body 1 in four horizontal directions along the ceiling surface inside the bathroom unit main body 1, and independent of the air supply means. And the bathroom unit 1 from the ceiling surface
A ventilation / drying device 10 including an exhaust means for exhausting air to the outside is provided on the ceiling 3 so that air supply and exhaust are performed simultaneously, and the ratio of the amount of air supply to the amount of exhaust per unit time is approximately 2 to 3, For example, 60 m 3 / hour versus 90 m 3 / hour.
【００１７】図２は本発明における換気・乾燥装置１０
の詳細を示し、１１は浴室ユニット本体１内の天井面を
貫通して浴室ユニット本体１内に突出せしめた排気用ケ
ース、１１´はこの排気用ケース１１の下端外周から水
平方向外方に延びるフランジ、１２はこのケース１１の
下面に形成した排気口、１３は上記ケース１１の側面に
形成した開口、１４はこの開口１３に連通する排気用ダ
クト、１５は上記ケース１１の内部に配置した排気用フ
ァンである。FIG. 2 shows a ventilation / drying apparatus 10 according to the present invention.
11 is an exhaust case that penetrates through the ceiling surface in the bathroom unit main body 1 and protrudes into the bathroom unit main body 1, and 11 ′ extends outwardly in the horizontal direction from the outer periphery of the lower end of the exhaust case 11. A flange, 12 is an exhaust port formed on the lower surface of the case 11, 13 is an opening formed on a side surface of the case 11, 14 is an exhaust duct communicating with the opening 13, and 15 is an exhaust disposed inside the case 11. For fans.
【００１８】また、１６は上記排気用ケース１１を空隙
を介して取り囲むよう上記浴室ユニット本体１の外面に
設けた給気用ケース、１７はこのケース１６と上記ケー
ス１１間に形成される給気路、１８はこの給気路１７に
連通するよう上記浴室ユニット本体１内の天井面と上記
フランジ１１´との間に形成された、給気の流れを上記
天井面に沿って四方に指向せしめるための給気口、１９
は上記給気用ケース１６の側面に形成した開口、２０は
この開口１９に連通する給気用ダクト、２１はこのダク
ト２０内に配置した給気用ファンである。Reference numeral 16 denotes an air supply case provided on the outer surface of the bathroom unit body 1 so as to surround the exhaust case 11 via a gap, and 17 denotes an air supply formed between the case 16 and the case 11. The passages 18 are formed between the ceiling surface in the bathroom unit main body 1 and the flange 11 ′ so as to communicate with the air supply passage 17, and direct the flow of air supply in four directions along the ceiling surface. Air inlet for 19
Is an opening formed on the side surface of the air supply case 16, 20 is an air supply duct communicating with the opening 19, and 21 is an air supply fan arranged in the duct 20.
【００１９】なお、本発明の換気・乾燥装置１０におけ
る上記排気用ファン１５及び給気用ファン２１は、夫々
のモータ（図示せず）によって独立に且つ同時に、給気
量が排気量より十分少なくなるよう駆動せしめる。The exhaust fan 15 and the air supply fan 21 in the ventilation / drying apparatus 10 of the present invention are independently and simultaneously controlled by respective motors (not shown) so that the air supply amount is sufficiently smaller than the exhaust amount. Drive.
【００２０】図３は上記換気・乾燥装置１０の他の実施
例を示し、この例においては上記排気用ケース１１をエ
ルボー状に形成し、排気用ファン１５はケース１１内で
はなく排気用ダクト１４内に配置する。この実施例によ
ればその構造をより簡単にできるが、反面給気抵抗が幾
分増大するようになる。FIG. 3 shows another embodiment of the ventilation / drying apparatus 10. In this embodiment, the exhaust case 11 is formed in an elbow shape, and the exhaust fan 15 is provided not in the case 11 but in the exhaust duct 14. Place within. According to this embodiment, the structure can be simplified, but the air supply resistance is somewhat increased.
【００２１】[0021]
【００２２】[0022]
【発明の効果】本発明の浴室ユニットの換気・乾燥方法
及び装置は上記のような構成であるから、給気の殆どが
壁に沿って流れるようになり、また、図４，図５に示す
ようにドア７のガラリ８から流入する空気が少なく、
代わりに排気口１２に向かう略垂直の空気が増大し、
給気口１８から天井３及び壁２の面に沿って四周方向に
向かう空気も増大し、その結果、浴室ユニット内全体
の換気及び乾燥が促進され、カビの発生を減少でき、衛
生状態を常時良好に保つことができるようになる。ま
た、入浴者にガラリ８からの冷風が当たり不快感を与え
ることがなく、従来の欠点を一掃できる大きな利益があ
る。Since the method and apparatus for ventilating and drying a bathroom unit according to the present invention are constructed as described above, most of the air supply flows along the wall, and is also shown in FIGS. As described above, the air flowing from the louver 8 of the door 7 is small,
Instead, the substantially vertical air going to the exhaust port 12 increases,
The air flowing from the air supply port 18 in the four circumferential directions along the surface of the ceiling 3 and the wall 2 also increases, and as a result, ventilation and drying of the entire bathroom unit are promoted, the occurrence of mold can be reduced, and the sanitary condition is constantly maintained. It can be kept good. In addition, there is a great advantage in that the cold air from the gusset 8 does not give the bather any discomfort and the conventional disadvantages can be eliminated.
【図１】前壁を取り除いて示した本発明の換気・乾燥装
置を有する浴室ユニットの説明用正面図である。FIG. 1 is an explanatory front view of a bathroom unit having a ventilation / drying device of the present invention with a front wall removed.
【図２】本発明において用いる換気・乾燥装置の断面図
である。FIG. 2 is a sectional view of a ventilation / drying device used in the present invention.
【図３】本発明において用いる換気・乾燥装置の他の実
施例の断面図である。FIG. 3 is a sectional view of another embodiment of the ventilation / drying device used in the present invention.
【図４】本発明の換気・乾燥装置を有する浴室ユニット
における給気と排気の流れを示す正面図である。FIG. 4 is a front view showing the flow of air supply and exhaust in a bathroom unit having the ventilation / drying device of the present invention.
【図５】本発明の換気・乾燥装置を有する浴室ユニット
における給気と排気の流れを示す側面図である。FIG. 5 is a side view showing the flow of air supply and exhaust in a bathroom unit having the ventilation / drying device of the present invention.
【図６】前壁を取り除いて示した従来の同時給排気装置
を有する浴室ユニットの説明用正面図である。FIG. 6 is an explanatory front view of a bathroom unit having a conventional simultaneous supply and exhaust device with a front wall removed.
【図７】従来の同時給排気装置を有する浴室ユニットに
おける給気と排気の流れを示す正面図である。FIG. 7 is a front view showing the flow of air supply and exhaust in a bathroom unit having a conventional simultaneous supply and exhaust device.
【図８】従来の同時給排気装置を有する浴室ユニットに
おける給気と排気の流れを示す側面図である。FIG. 8 is a side view showing the flow of air supply and exhaust in a bathroom unit having a conventional simultaneous supply and exhaust device.
１ 浴室ユニット本体 ２ 壁 ３ 天井 ４ 底面 ５ 浴槽 ６ 洗い場 ７ ドア ８ ガラリ ９ 同時給排気装置 １０ 換気・乾燥装置 １１ 排気用ケース １１´フランジ １２ 排気口 １３ 開口 １４ 排気用ダクト １５ 排気用ファン １６ 給気用ケース １７ 給気路 １８ 給気口 １９ 開口 ２０ 給気用ダクト ２１ 給気用ファン DESCRIPTION OF SYMBOLS 1 Bathroom unit main body 2 Wall 3 Ceiling 4 Bottom 5 Bathtub 6 Washing place 7 Door 8 Gull 9 Simultaneous supply / exhaust device 10 Ventilation / drying device 11 Exhaust case 11 'flange 12 Exhaust port 13 Opening 14 Exhaust duct 15 Exhaust fan 16 Supply Air case 17 Air supply path 18 Air supply port 19 Opening 20 Air supply duct 21 Air supply fan
Claims (2)
本体内の天井面から壁に沿う流れを四周方向に給気し、
同時に天井面の上記四周方向の中心から浴室ユニット本
体外に排気し、単位時間当たりの給気量を排気量より少
なくなるようにしたことを特徴とする浴室ユニットの換
気・乾燥方法。1. A flow along a wall from a ceiling surface in a bathroom unit main body from outside of the bathroom unit main body in four circumferential directions,
A method for ventilating and drying a bathroom unit, wherein air is exhausted from the center of the ceiling surface in the four circumferential directions to the outside of the bathroom unit at the same time so that the amount of air supply per unit time is smaller than the amount of exhaust air.
ニット本体外から天井面から壁に沿って四方に給気する
給気手段と、この給気手段とは独立に駆動され、給気手
段の下面中心から浴室ユニット本体外に排気する排気手
段とより成る換気・乾燥装置を有し、この換気・乾燥装
置が、浴室ユニット本体内の天井面を貫通して浴室ユニ
ット本体内に突出せしめた排気用ケースと、この排気用
ケースの下端外周から水平方向外方に延びるフランジ
と、上記排気用ケースの下面に形成した排気口と、上記
排気用ケースの側面に形成した開口と、この開口に連通
した排気用ダクトと、上記排気用ケース内と排気用ダク
ト内の何れか一方に配置した排気用ファンと、上記排気
用ケースを空隙を介して取り囲むよう上記浴室ユニット
本体の外面に設けた給気用ケースと、この給気用ケース
の側面に形成した開口と、この開口に連通した給気用ダ
クトと、この給気用ダクト内に配置した給気用ファン
と、上記空隙に連通するよう上記浴室ユニット本体内の
天井面と上記フランジとの間に形成された、給気の流れ
を上記天井面から壁に沿って四周方向に指向せしめるた
めの給気口と、上記排気用ファンを駆動する駆動手段
と、上記給気用ファンをその給気が上記排気用ファンに
よる排気より少なくなるよう駆動する駆動手段とより成
ることを特徴とする浴室ユニットの換気・乾燥装置。2. From the bathroom unit body outside provided in the ceiling of the bathroom unit body and air supply means for supplying air in all directions along the wall from the ceiling surface, and the air supply means is driven independently Kyukite
A ventilating / drying device comprising exhaust means for exhausting air from the center of the lower surface of the step to the outside of the bathroom unit main body, and the ventilation / drying device penetrates a ceiling surface in the bathroom unit main body and protrudes into the bathroom unit main body. An exhaust case, a flange extending horizontally outward from a lower end periphery of the exhaust case, an exhaust port formed on a lower surface of the exhaust case, an opening formed on a side surface of the exhaust case, and an opening formed on the side surface of the exhaust case. And an exhaust fan disposed in one of the exhaust case and the exhaust duct, and provided on the outer surface of the bathroom unit body so as to surround the exhaust case via a gap. An air supply case, an opening formed in a side surface of the air supply case, an air supply duct communicating with the opening, an air supply fan disposed in the air supply duct, and communicating with the gap. Yo the bathroom unit which is formed between the ceiling surface and the flange of the body, the air inlet for allowing directed to the four circumferential direction the flow of supply air along the wall from the ceiling surface, the exhaust air fan A ventilation / drying device for a bathroom unit, comprising: driving means for driving; and driving means for driving the air supply fan such that the air supply is less than the exhaust air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6204150A JP2607226B2 (en) | 1993-10-01 | 1994-08-08 | Bathroom unit ventilation / drying method and device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5-267750 | 1993-10-01 | ||
| JP26775093 | 1993-10-01 | ||
| JP6204150A JP2607226B2 (en) | 1993-10-01 | 1994-08-08 | Bathroom unit ventilation / drying method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07145973A JPH07145973A (en) | 1995-06-06 |
| JP2607226B2 true JP2607226B2 (en) | 1997-05-07 |
Family
ID=26514306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6204150A Expired - Lifetime JP2607226B2 (en) | 1993-10-01 | 1994-08-08 | Bathroom unit ventilation / drying method and device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2607226B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4585886B2 (en) * | 2005-02-25 | 2010-11-24 | 日立アプライアンス株式会社 | Simultaneous supply / exhaust ventilation system |
| CN102620377B (en) * | 2012-04-23 | 2015-09-02 | 天津龙川鑫汇实验设备制造有限公司 | Civilian and working environment indoor air cleaning system |
| CN103542486A (en) * | 2012-07-16 | 2014-01-29 | 李一平 | Extension-type ventilator among rooms |
| KR101337439B1 (en) * | 2013-07-16 | 2013-12-10 | 권우득 | Ventilation system for bathroom |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS536049B2 (en) * | 1973-04-17 | 1978-03-04 | ||
| JPS63279039A (en) * | 1987-05-08 | 1988-11-16 | Matsushita Electric Ind Co Ltd | Ventilation device |
| JPH0241025B2 (en) * | 1981-05-28 | 1990-09-14 | Sotsuken Jugen | |
| JPH04283333A (en) * | 1991-03-13 | 1992-10-08 | Daikin Ind Ltd | Heat exchanging ventilating device |
| JPH0474233B2 (en) * | 1984-11-02 | 1992-11-25 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS536049U (en) * | 1976-06-30 | 1978-01-19 | ||
| JPS54148348U (en) * | 1978-04-07 | 1979-10-16 | ||
| JPS56149717U (en) * | 1980-04-10 | 1981-11-10 | ||
| JPS5788836U (en) * | 1980-11-19 | 1982-06-01 | ||
| JPS58138594U (en) * | 1982-03-15 | 1983-09-17 | ナショナル住宅産業株式会社 | bathroom ventilation system |
| JPS62195029U (en) * | 1986-05-30 | 1987-12-11 | ||
| JPH0537154Y2 (en) * | 1988-09-14 | 1993-09-20 | ||
| JPH0474233U (en) * | 1990-11-05 | 1992-06-29 |
-
1994
- 1994-08-08 JP JP6204150A patent/JP2607226B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS536049B2 (en) * | 1973-04-17 | 1978-03-04 | ||
| JPH0241025B2 (en) * | 1981-05-28 | 1990-09-14 | Sotsuken Jugen | |
| JPH0474233B2 (en) * | 1984-11-02 | 1992-11-25 | ||
| JPS63279039A (en) * | 1987-05-08 | 1988-11-16 | Matsushita Electric Ind Co Ltd | Ventilation device |
| JPH04283333A (en) * | 1991-03-13 | 1992-10-08 | Daikin Ind Ltd | Heat exchanging ventilating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07145973A (en) | 1995-06-06 |
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