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JP3606099B2 - Air conditioner - Google Patents
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JP3606099B2 - Air conditioner - Google Patents

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Publication number
JP3606099B2
JP3606099B2 JP08333599A JP8333599A JP3606099B2 JP 3606099 B2 JP3606099 B2 JP 3606099B2 JP 08333599 A JP08333599 A JP 08333599A JP 8333599 A JP8333599 A JP 8333599A JP 3606099 B2 JP3606099 B2 JP 3606099B2
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JP
Japan
Prior art keywords
drain
air conditioner
cap
drain pan
styrene
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 - Fee Related
Application number
JP08333599A
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Japanese (ja)
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JP2000274723A (en
Inventor
浩直 沼本
雅春 太田
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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.)
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Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP08333599A priority Critical patent/JP3606099B2/en
Priority to EP00104866A priority patent/EP1039243B1/en
Priority to DE60007791T priority patent/DE60007791T2/en
Priority to ES00104866T priority patent/ES2211395T3/en
Priority to MYPI20000902A priority patent/MY122650A/en
Publication of JP2000274723A publication Critical patent/JP2000274723A/en
Application granted granted Critical
Publication of JP3606099B2 publication Critical patent/JP3606099B2/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0059Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0083Indoor units, e.g. fan coil units with dehumidification means

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、セパレート型空気調和機の室内機に関し、特に熱交換器からの結露水が使用しない排水口から水漏れしないように配設するドレンキャップに関するものである。
【0002】
【従来の技術】
セパレート型空気調和機においては、室内熱交換器にて発生する結露水を回収するために熱交換器の下方にドレンパンの役割をするものが本体台枠、吹出しグリルの役割も兼ねて配置され、このドレンパン部を通じて排水口からドレンホースを介して外部に排出していた。この排水口は施工性を考慮して室内機の下方部両側2ヶ所に設けられ、使用しない排水口はドレンキャップで水漏れ防止のためキャップをされていた。この用途には従来から一般に軟質塩化ビニル樹脂が使用されてきた。塩化ビニル樹脂は成形性に優れ、材料価格も安いので広い範囲で多用されてきた。
【0003】
【発明が解決しようとする課題】
しかし、近年環境問題の深刻化にともなって塩化ビニル樹脂に対する考え方も変化しつつある。すなわち、塩化ビニル樹脂を焼却した場合には樹脂中の塩素が焼却粉塵等と作用しながら400〜600℃付近の低温燃焼状態でダイオキシンを発生する可能性が高いと言われている。したがって、廃家電品が埋め立てごみとして扱われる場合には問題ないが、焼却ごみとして扱われる場合には大きな問題となる。将来、廃家電品の樹脂は積極的なリサイクルとしてマテリアルリサイクルされるもの、サーマルリサイクルされるもの等がある。サーマルリサイクル時に樹脂材料の分別が正しく行われていれば問題ないが、塩化ビニル樹脂がサーマルリサイクル用の樹脂に混在するとダイオキシンの発生が危惧される。
【0004】
したがって、このような問題を避けるため塩化ビニル樹脂の代替化に向けて可能な分野ではその検討が進んでいる。
【0005】
【課題を解決するための手段】
上記課題を解決するために本発明は、セパレート型空気調和機の室内機に熱交換器と、前記熱交換器下方に配置されたドレンパン部を具備し、前記ドレンパン部には前記熱交換器から滴下した結露水を排出する排水口が室内機本体の下方部両側2ヶ所に設けられ、前記排水口の一方にはドレンホースが配設され、前記排水口のもう一方にはスチレン・ブタジエンブロック共重合体の水添物またはスチレン・イソプレンブロック共重合体の水添物がキャップとして配設されている空気調和機である。
【0006】
上記構成によって、製品廃棄時にサーマルリサイクルされても、ダイオキシンの発生を心配する必要がなく環境負荷低減が図られる。
【0007】
【発明の実施の形態】
上記の課題を解決するための請求項1記載の発明は、セパレート型空気調和機の室内機に熱交換器と、前記熱交換器下方に配置されたドレンパン部を具備し、前記ドレンパン部には前記熱交換器から滴下した結露水を排出する排水口が室内機本体の下方部両側2ヶ所に設けられ、前記排水口の一方にはドレンホースが配設され、前記排水口のもう一方にはキャップとして配設されている空気調和機である。これによって、製品廃棄時にサーマルリサイクルされても、ダイオキシンの発生を心配する必要がなく環境負荷低減が図られる。また、スチレン系エラストマーの中でもスチレン・ブタジエンブロック共重合体の水添物またはスチレン・イソプレンブロック共重合体の水添物を選択することによって優れた抗張力が得られるとともに耐熱老化性においても優れる。
【0008】
請求項2記載の発明は、ドレンパン部がハイインパクトスチレン樹脂からなる空気調和機である。ドレンパン部がハイインパクトスチレン樹脂で構成されることによって、廃家電品処理時にドレンキャップとドレンパン部を分別することなく混在処理して再資源化することが可能となる。
【0009】
請求項3記載の発明は、スチレン・ブタジエンブロック共重合体の水添物またはスチレン・イソプレンブロック共重合体の水添物からなるキャップの硬度が50〜65度(JIS―A)である空気調和機である。キャップの硬度を所定の値とすることで止水性においても長期信頼性を得ることができる。
【0010】
(実施例1)
以下、本発明の一実施例について詳細な説明を行う。
【0011】
図1は室内機本体の断面図を、図2は室内機本体の背面図を表している。室内機本体は冷房運転時、吸い込みグリル1、2を通じて室内空気を吸い込み、吸い込んだ空気は熱交換器3、4によって冷却、除湿された後、クロスフローファン5によって吸い込み送風されながら、最終吹出し口6から室内に冷風を排出する。この時、熱交換器3、4によって除湿された結露水はドレンパン部7、8によって水受けされる。ドレンパン部7は室内機台枠9に一体物として構成され、ドレンパン部8は吹出しグリル10に一体物として構成される。ドレンパン部7に溜まった結露水は台枠9を介してドレンパン部8側に流れて水受けされ、最終的にはドレンホース11によって外部へ排出される。一般に室内機本体には空気調和機施工時の接続配管引き回し性を考慮して本体の下方部両側に排水口を配設している。したがって、使用しない側の排水口にはドレンキャップ12を使用して十分な止水処置を行っている。また、空気調和機には移設工事が伴うのでドレンキャップ12にはある程度の着脱性が要求される。
【0012】
本実施例ではスチレン・ブタジエンブロック共重合体の水添物を使用し、その物性面を表1に示した。
【0013】
(比較例1)
本比較例では従来の軟質塩化ビニル樹脂を使用し、その物性面を表1に示した実施例で使用したスチレン・ブタジエンブロック共重合体の水添物と軟質塩化ビニル樹脂からなるドレンキャップを物性面および実用性の面から評価した結果を表1に示す。
【0014】
【表1】

Figure 0003606099
【0015】
ここで、着脱性の評価は実際の施工時を想定してラジオペンチで使用してドレンキャップのノブ部13を引っ張ることによって10回の繰り返し試験を行った。図3にドレンキャップの断面形状図を示した。その結果、スチレン・ブタジエンブロック共重合体の水添物は従来の軟質塩化ビニル製に比べて遜色はなかった。また、熱老化性後の引っ張り試験からすると本実施例のほうが変化量がほとんどなく優れていた。したがって長期的な物性変化は本発明品のほうが小さいと推定できる。さらに、密度も小さく軽量化を図ることも可能となる。
【0016】
本発明で使用できるドレンキャップに適した材料は表1から分かるように、スチレン・ブタジエンブロック共重合体の水添物のほかにスチレン・イソプレンブロック共重合体の水添物が好ましかった。これら共重合体は不飽和結合を含まないため耐熱性、耐候性に優れていた。また、この用途に使用できるキャップの硬度はJIS―Aの測定で50〜65度であることがわかった。硬度が50以下では引き抜き強度が小さく、長期にわたって止水性を保証することはできない。また、硬度が65以上では引き抜き強度が大きく、着脱試験を繰り返すことでノブ部が破損することが生じた。
【0017】
本発明の目的は環境負荷低減、リサイクル性向上であり、この効果をさらに得るためにはドレンパン部をハイインパクトスチレン樹脂で構成することによって、廃家電品時にドレンパン部からドレンキャップを外すことなく、マテリアルリサイクルに供することが可能となる。本発明で使用するスチレン・ブタジエンブロック共重合体の水添物およびスチレン・イソプレンブロック共重合体の水添物はハイインパクトスチレン樹脂との相溶性が良好な上、ドレンキャップがかん合した吹出しグリルに対して重量比が小さいので混在状態でマテリアルリサイクルしても物性面での低下はほとんど生じなかった。
【0018】
【発明の効果】
上記実施例から明らかなように、請求項1記載の発明によれば、製品廃棄時にサーマルリサイクルされても、ダイオキシンの発生を心配する必要がなく環境負荷低減が図られる。また、スチレン系エラストマーの中でもスチレン・ブタジエンブロック共重合体の水添物またはスチレン・イソプレンブロック共重合体の水添物を選択することによって優れた抗張力が得られるとともに耐熱老化性においても優れていた。
【0019】
請求項2記載の発明によれば、ドレンパン部がハイインパクトスチレン樹脂で構成されることによって、廃家電品処理時にドレンキャップとドレンパン部を分別することなく混在処理して再資源化することが可能となった。
【0020】
請求項3記載の発明によれば、キャップの硬度を所定の値とすることで止水性においても長期信頼性を得ることができた。
【図面の簡単な説明】
【図1】本発明の一実施例における室内機本体の断面図
【図2】本発明の一実施例における室内機本体の背面図
【図3】本発明の一実施例におけるドレンキャップの断面形状図
【符号の説明】
1 吸い込みグリル
2 吸い込みグリル
3 熱交換器
4 熱交換器
5 クロスフローファン
6 吹出し口
7 ドレンパン部
8 ドレンパン部
9 室内機台枠
10 吹出しグリル10
11 ドレンホース
12 ドレンキャップ
13 ノブ部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an indoor unit of a separate type air conditioner, and more particularly to a drain cap that is disposed so that condensed water from a heat exchanger does not leak from a drain outlet that is not used.
[0002]
[Prior art]
In the separate type air conditioner, what functions as a drain pan below the heat exchanger in order to collect the dew condensation water generated in the indoor heat exchanger is also arranged as a body frame and a blow grill, It was discharged to the outside through a drain hose through the drain pan portion. In consideration of workability, this drain outlet was provided at two places on both sides of the lower part of the indoor unit, and the unused drain outlet was capped with a drain cap to prevent water leakage. Conventionally, a soft vinyl chloride resin has been generally used for this purpose. Vinyl chloride resins have been widely used in a wide range because of their excellent moldability and low material prices.
[0003]
[Problems to be solved by the invention]
However, in recent years, the attitude toward vinyl chloride resin is changing as the environmental problems become more serious. That is, when vinyl chloride resin is incinerated, it is said that there is a high possibility that chlorine in the resin generates dioxins in a low-temperature combustion state around 400 to 600 ° C. while acting with incineration dust and the like. Therefore, there is no problem when the waste home appliance is handled as landfill waste, but it becomes a big problem when it is handled as incineration waste. In the future, resin for waste home appliances may be material recycled as active recycling or thermal recycling. There is no problem if the resin material is properly sorted during thermal recycling, but if vinyl chloride resin is mixed in the resin for thermal recycling, dioxins may be generated.
[0004]
Therefore, in order to avoid such a problem, the examination is progressing in the field where it is possible to replace the vinyl chloride resin.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention includes a heat exchanger and a drain pan portion disposed below the heat exchanger in an indoor unit of a separate type air conditioner, and the drain pan portion includes the heat exchanger. Drainage outlets for discharging the condensed water that has dripped are provided at two locations on both sides of the lower part of the indoor unit main body. An air conditioner in which a hydrogenated polymer or a hydrogenated styrene / isoprene block copolymer is disposed as a cap.
[0006]
With the above configuration, even if thermal recycling is performed at the time of product disposal, there is no need to worry about the generation of dioxins, and the environmental load can be reduced.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 for solving the above-described problem is that the indoor unit of the separate type air conditioner includes a heat exchanger, and a drain pan portion disposed below the heat exchanger, and the drain pan portion includes Drain outlets for discharging the condensed water dripped from the heat exchanger are provided at two locations on both sides of the lower part of the indoor unit body, drain hoses are provided at one of the drain outlets, and at the other end of the drain outlet. It is an air conditioner arranged as a cap. As a result, even if thermal recycling is performed at the time of product disposal, there is no need to worry about the generation of dioxins, and the environmental load can be reduced. Further, by selecting a hydrogenated product of a styrene / butadiene block copolymer or a hydrogenated product of a styrene / isoprene block copolymer among styrene elastomers, excellent tensile strength can be obtained and heat aging resistance is also excellent.
[0008]
The invention according to claim 2 is an air conditioner in which a drain pan portion is made of a high impact styrene resin. By configuring the drain pan portion with a high impact styrene resin, it becomes possible to recycle the waste cap and the drain pan portion without separating the drain cap and the drain pan portion at the time of waste home appliance processing.
[0009]
According to a third aspect of the present invention, there is provided an air conditioner in which the hardness of a cap made of a hydrogenated styrene / butadiene block copolymer or a hydrogenated styrene / isoprene block copolymer is 50 to 65 degrees (JIS-A). Machine. By setting the hardness of the cap to a predetermined value, long-term reliability can be obtained even in water stopping.
[0010]
Example 1
Hereinafter, an embodiment of the present invention will be described in detail.
[0011]
FIG. 1 is a sectional view of the indoor unit body, and FIG. 2 is a rear view of the indoor unit body. The indoor unit main body sucks room air through the suction grills 1 and 2 during the cooling operation, and the sucked air is cooled and dehumidified by the heat exchangers 3 and 4, and then sucked and blown by the cross flow fan 5. Cool air is discharged from 6 into the room. At this time, the condensed water dehumidified by the heat exchangers 3 and 4 is received by the drain pan portions 7 and 8. The drain pan 7 is configured as an integral part of the indoor unit frame 9, and the drain pan 8 is configured as an integral part of the blow-out grill 10. The condensed water accumulated in the drain pan portion 7 flows to the drain pan portion 8 side through the frame 9 and is received by water, and is finally discharged to the outside by the drain hose 11. In general, the indoor unit main body is provided with drain outlets on both sides of the lower part of the main body in consideration of the routing performance of the connecting pipe when the air conditioner is installed. Accordingly, the drain cap 12 is used for the drain port on the unused side to perform a sufficient water stop treatment. Further, since the air conditioner involves relocation work, the drain cap 12 is required to have a certain degree of detachability.
[0012]
In this example, hydrogenated styrene / butadiene block copolymer was used, and its physical properties are shown in Table 1.
[0013]
(Comparative Example 1)
In this comparative example, a conventional soft vinyl chloride resin was used, and the physical properties of the drain cap composed of the hydrogenated styrene / butadiene block copolymer and the soft vinyl chloride resin used in the examples shown in Table 1 Table 1 shows the results of evaluation in terms of surface and practicality.
[0014]
[Table 1]
Figure 0003606099
[0015]
Here, the evaluation of detachability was repeated 10 times by pulling the knob 13 of the drain cap using radio pliers assuming actual construction. FIG. 3 shows a cross-sectional shape diagram of the drain cap. As a result, the hydrogenated product of the styrene / butadiene block copolymer was not inferior to the conventional soft vinyl chloride. Further, according to the tensile test after heat aging, the present example was excellent with almost no change. Therefore, it can be estimated that the long-term physical property change is smaller in the product of the present invention. Furthermore, the density is small and the weight can be reduced.
[0016]
As can be seen from Table 1, a material suitable for the drain cap that can be used in the present invention is preferably a hydrogenated styrene / isoprene block copolymer in addition to a hydrogenated styrene / butadiene block copolymer. Since these copolymers do not contain unsaturated bonds, they were excellent in heat resistance and weather resistance. Further, the hardness of the cap that can be used for this purpose was found to be 50 to 65 degrees as measured by JIS-A. When the hardness is 50 or less, the pull-out strength is small, and the water stoppage cannot be guaranteed over a long period of time. Further, when the hardness was 65 or more, the pullout strength was high, and the knob part was damaged by repeating the attachment / detachment test.
[0017]
The purpose of the present invention is to reduce the environmental burden and improve the recyclability, and in order to further obtain this effect, by configuring the drain pan portion with high impact styrene resin, without removing the drain cap from the drain pan portion at the time of waste home appliances, It can be used for material recycling. The hydrogenated product of styrene / butadiene block copolymer and the hydrogenated product of styrene / isoprene block copolymer used in the present invention have good compatibility with high impact styrene resin and have a drain cap mated. However, since the weight ratio was small, there was almost no deterioration in physical properties even when materials were recycled in a mixed state.
[0018]
【The invention's effect】
As is apparent from the above embodiments, according to the first aspect of the present invention, even if thermal recycling is performed at the time of product disposal, there is no need to worry about the generation of dioxins, and the environmental load can be reduced. Moreover, by selecting a hydrogenated product of a styrene / butadiene block copolymer or a hydrogenated product of a styrene / isoprene block copolymer among styrene-based elastomers, excellent tensile strength was obtained and heat aging resistance was also excellent. .
[0019]
According to the second aspect of the present invention, since the drain pan portion is made of high impact styrene resin, it is possible to recycle the waste cap and drain pan portion without separating the waste cap at the time of waste home appliance processing. It became.
[0020]
According to invention of Claim 3, long-term reliability was able to be acquired also in water-stopping by making the hardness of a cap into a predetermined value.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an indoor unit main body according to an embodiment of the present invention. FIG. 2 is a rear view of the indoor unit main body according to an embodiment of the present invention. Figure [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Suction grill 2 Suction grill 3 Heat exchanger 4 Heat exchanger 5 Cross flow fan 6 Outlet 7 Drain pan part 8 Drain pan part 9 Indoor unit stand frame 10 Outlet grill 10
11 Drain hose 12 Drain cap 13 Knob

Claims (3)

セパレート型空気調和機の室内機に熱交換器と、前記熱交換器下方に配置されたドレンパン部を具備し、前記ドレンパン部には前記熱交換器から滴下した結露水を排出する排水口が室内機本体の下方部両側2ヶ所に設けられ、前記排水口の一方にはドレンホースが配設され、前記排水口のもう一方にはスチレン・ブタジエンブロック共重合体の水添物またはスチレン・イソプレンブロック共重合体の水添物がキャップとして配設されていることを特徴とする空気調和機。The indoor unit of the separate type air conditioner includes a heat exchanger and a drain pan portion disposed below the heat exchanger, and the drain pan portion has a drain outlet for discharging condensed water dripped from the heat exchanger. Provided in two places on both sides of the lower part of the machine body, a drain hose is provided at one of the drain outlets, and a hydrogenated styrene / butadiene block copolymer or a styrene / isoprene block is provided at the other drain outlet. An air conditioner characterized in that a hydrogenated copolymer is disposed as a cap. 前記ドレンパン部がハイインパクトスチレン樹脂からなることを特徴とする請求項1記載の空気調和機。The air conditioner according to claim 1, wherein the drain pan portion is made of a high impact styrene resin. 前記キャップの硬度が50〜65度(JIS―A)であることを特徴とする請求項1記載の空気調和機。The air conditioner according to claim 1, wherein the cap has a hardness of 50 to 65 degrees (JIS-A).
JP08333599A 1999-03-26 1999-03-26 Air conditioner Expired - Fee Related JP3606099B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP08333599A JP3606099B2 (en) 1999-03-26 1999-03-26 Air conditioner
EP00104866A EP1039243B1 (en) 1999-03-26 2000-03-07 Air conditioner
DE60007791T DE60007791T2 (en) 1999-03-26 2000-03-07 air conditioning
ES00104866T ES2211395T3 (en) 1999-03-26 2000-03-07 AIR CONDITIONER.
MYPI20000902A MY122650A (en) 1999-03-26 2000-03-09 Air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08333599A JP3606099B2 (en) 1999-03-26 1999-03-26 Air conditioner

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JP2000274723A JP2000274723A (en) 2000-10-06
JP3606099B2 true JP3606099B2 (en) 2005-01-05

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DE (1) DE60007791T2 (en)
ES (1) ES2211395T3 (en)
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JP2000274723A (en) 2000-10-06
DE60007791T2 (en) 2004-11-04
DE60007791D1 (en) 2004-02-26
EP1039243B1 (en) 2004-01-21
EP1039243A2 (en) 2000-09-27
ES2211395T3 (en) 2004-07-16
EP1039243A3 (en) 2001-05-16

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