JP2793379B2 - Arrangement method of outdoor heat exchanger - Google Patents
Arrangement method of outdoor heat exchangerInfo
- Publication number
- JP2793379B2 JP2793379B2 JP3096268A JP9626891A JP2793379B2 JP 2793379 B2 JP2793379 B2 JP 2793379B2 JP 3096268 A JP3096268 A JP 3096268A JP 9626891 A JP9626891 A JP 9626891A JP 2793379 B2 JP2793379 B2 JP 2793379B2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- outdoor heat
- shaft
- floor
- intake side
- 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
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高層集合住宅やビル等
の室内空調を行うために、ビル等に取り付ける屋外熱交
換機と屋内熱交換機とからなるセパレート式の空冷ヒー
トポンプの配置方法に関し、特にこの屋外熱交換機の配
置方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of arranging a separate air-cooled heat pump comprising an outdoor heat exchanger and an indoor heat exchanger to be installed in a building or the like in order to perform indoor air conditioning of a high-rise apartment building or a building. The present invention relates to a method for arranging the outdoor heat exchanger.
【０００２】[0002]
【従来の技術】高層集合住宅やビル等に配置されるセパ
レート型空冷ヒートポンプの屋外熱交換機の配置方法
は、従来、これらの建物の各戸のベランダや屋上等の外
気に直接面した床部に据置いたり、又はベランダの天井
等に吊架する方法が採用されている。そしてこれらの屋
外熱交換機は、屋内の空調ゾーンに配設した屋内熱交換
機に冷媒管で連通することにより室内の空調を行ってい
る。このように屋外熱交換機は常に建物の屋外のベラン
ダ等に据付る方法が適用されているだけであり、内部に
屋外熱交換機を配置して室内の空調を行う方法は採用さ
れていない。2. Description of the Related Art Conventionally, a method of arranging an outdoor heat exchanger of a separate type air-cooled heat pump arranged in a high-rise apartment building or a building is conventionally installed on a floor directly facing the outside air such as a veranda or a roof of each house of these buildings. There is adopted a method of being suspended or suspended on a veranda ceiling or the like. These outdoor heat exchangers perform indoor air conditioning by communicating with indoor heat exchangers arranged in indoor air conditioning zones through refrigerant pipes. As described above, the method of always installing the outdoor heat exchanger on the veranda or the like outside the building is applied, and the method of arranging the outdoor heat exchanger inside to perform indoor air conditioning is not adopted.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記従
来の屋外熱交換機の配置方法において、屋外熱交換機を
ベランダ等の床部に据付る方法では、この床スペースが
縮小するため、ベランダの使い勝手が悪くなった。また
ベランダ等の上方に屋外熱交換機を天吊りする方法で
は、一般的にベランダ等は幅狭なためこの取付作業や保
守を行う際に足場確保が困難であるとともに、この作業
には常に落下等の危険が伴う等の問題があった。さらに
この方法は、ベランダの使用勝手という点では上記のベ
ランダの床に設置する方法より優れているが、建物の外
観上の見栄えが悪くなるという欠点もあった。However, in the conventional method of arranging an outdoor heat exchanger, in the method of installing the outdoor heat exchanger on a floor such as a veranda, the floor space is reduced, so that the usability of the veranda is poor. became. In the method of suspending an outdoor heat exchanger above a veranda or the like, it is generally difficult to secure a scaffold when performing this mounting work or maintenance because the veranda or the like is too narrow. There was a problem that danger was involved. Further, this method is superior to the above-described method in which the veranda is installed on the floor of the veranda in terms of ease of use, but also has a drawback that the appearance of the building is deteriorated.
【０００４】このように、従来の屋外熱交換機の配置方
法では、いずれの場合も、屋外熱交換機を外気に面する
ように配置するには、建物のベランダ等を活用するしか
ないため、屋内熱交換機の配置ゾーンから離れた位置に
設置されることが多い。このため冷媒管が延長するのに
伴い、冷媒の流動時に生じる熱損失が大きくなって空調
効率が低減するとともに、冷媒管等の配管資材の使用量
が増加するため、施工費用がかさむ等の問題があった。
また従来の配置方法では、屋外熱交換機が風雨に直接さ
らされるので耐用年数が短くなるとともに、風雨により
転倒したり落下するのを防止するため十分堅固に固定す
る必要があった。さらに、屋外熱交換機の駆動時にはし
ばしば近隣に対する騒音の影響が発生するため、多額の
費用をかけて防音壁の取付を余儀なくされることもあっ
た。As described above, according to the conventional method of arranging the outdoor heat exchangers, in any case, the only way to arrange the outdoor heat exchangers so as to face the outside air is to utilize the veranda of the building. It is often installed at a position distant from the switching zone. For this reason, as the refrigerant pipe is extended, the heat loss generated during the flow of the refrigerant is increased, the air conditioning efficiency is reduced, and the amount of piping material such as the refrigerant pipe is increased, so that the construction cost is increased. was there.
Further, in the conventional arrangement method, the outdoor heat exchanger is directly exposed to the wind and rain, so that the service life is shortened, and it is necessary to fix the outdoor heat exchanger sufficiently firmly to prevent the heat exchanger from falling or falling due to the wind and rain. Furthermore, when the outdoor heat exchanger is driven, noise is often generated in the neighborhood, so that the installation of a soundproof wall at a large cost was sometimes required.
【０００５】そこで本発明は、屋外熱交換機を建物内に
配置することにより、セパレート型空冷ヒートポンプに
使用する冷媒管を短縮させて空調効率を向上させること
ができるとともに、建物の外観上の見栄えを良くするこ
とができる屋外熱交換機の配置方法を提供することを目
的とする。Therefore, the present invention can improve the air conditioning efficiency by arranging an outdoor heat exchanger in a building to shorten the refrigerant pipe used for the separate type air-cooled heat pump and improve the appearance of the building. It is an object of the present invention to provide a method of arranging an outdoor heat exchanger that can be improved.
【０００６】[0006]
【課題を解決するための手段】本発明は高層集合住宅や
ビル等に取付て室内の空調を行う屋外熱交換機と屋内熱
交換機とからなるセパレート型空冷ヒートポンプの屋外
熱交換機の配置方法に関し、上記目的を達成したもので
ある。その方法は、高層建造物等の最下階から最上階ま
でに中空のシャフトを貫通し、同シャフト内を上下方向
に平行な仕切壁で吸気側と排気側に区分し、シャフト上
端の吸気側と排気側を外気に連通するとともにシャフト
下端の吸気側のみを外気に連通し、上記仕切壁シャフト
の吸気側から排気側に気流を形成して熱交換を行わせる
屋外熱交換機を適数配置するとともに、同屋外熱交換機
と屋内熱交換機とを冷媒管で連通する。なお、シャフト
は、各階床毎に格子状の床と防音防火扉を設けるのが望
ましい。The present invention relates to a method of arranging an outdoor heat exchanger of a separate type air-cooled heat pump comprising an outdoor heat exchanger for indoor air conditioning and an indoor heat exchanger which is attached to a high-rise apartment house or a building. The purpose has been achieved. The method is to penetrate a hollow shaft from the lowest floor to the highest floor of a high-rise building, etc., divide the inside of the shaft into an intake side and an exhaust side with partition walls parallel to the vertical direction, and And an appropriate number of outdoor heat exchangers that communicate the outside air with the exhaust side and communicate only the intake side at the lower end of the shaft with the outside air, and form an airflow from the intake side to the exhaust side of the partition wall shaft to perform heat exchange. At the same time, the outdoor heat exchanger and the indoor heat exchanger are connected by a refrigerant pipe. The shaft is preferably provided with a lattice floor and a soundproof fireproof door for each floor.
【０００７】[0007]
【作用】本発明の屋外熱交換機の配置方法では、屋内熱
交換機を駆動させるとそれに連動して屋外熱交換機が駆
動する。そして、屋内熱交換機の冷媒により室内熱が吸
収された後、この冷媒は冷媒管を介して屋外熱交換機に
伝熱され、屋外熱交換機により室内熱がシャフトの排気
側に排出される。そしてこの奪取熱はシャフトの排気側
を介して排気側上端の排気口から外部に排出される。こ
れと同時に外部からシャフトの吸気側を介して屋外熱交
換機に吸い込まれた空気により冷媒が冷却され、この冷
媒は冷媒管を介して屋内熱交換機に伝熱さた後、この冷
媒により所定の温度に冷却された空気が屋内熱交換機か
ら室内に放出されて室内空調が行われる。According to the arrangement method of the outdoor heat exchanger of the present invention, when the indoor heat exchanger is driven, the outdoor heat exchanger is driven in conjunction therewith. Then, after the indoor heat is absorbed by the refrigerant of the indoor heat exchanger, the refrigerant is transferred to the outdoor heat exchanger via the refrigerant pipe, and the indoor heat is discharged to the exhaust side of the shaft by the outdoor heat exchanger. The heat is exhausted to the outside through the exhaust port at the upper end of the exhaust through the exhaust side of the shaft. At the same time, the refrigerant is cooled by the air sucked into the outdoor heat exchanger from the outside via the intake side of the shaft, and the refrigerant is transferred to the indoor heat exchanger via the refrigerant pipe, and then cooled to a predetermined temperature by the refrigerant. The cooled air is discharged from the indoor heat exchanger into the room to perform indoor air conditioning.
【０００８】この際、屋外熱交換機は、シャフト内の吸
気側から排気側に気流を形成するように取付られている
ので、特に高層建物ではドラフト効果も伴って効率の良
い熱交換を行うことができる。このため、シャフト内の
空間が狭い場合でも従来の設置方法と同様に屋外熱交換
機の熱交換効果が発揮されるとともに、この仕切壁によ
り熱交換気流のショートサーキットが防止される。ま
た、シャフトの側壁に設けた防音防火扉を開いてシャフ
ト内に入ることにより屋外熱交換機の保守点検も安全に
行うことができる。At this time, since the outdoor heat exchanger is mounted so as to form an airflow from the intake side to the exhaust side in the shaft, particularly in a high-rise building, efficient heat exchange can be performed with a draft effect. it can. For this reason, even when the space in the shaft is narrow, the heat exchange effect of the outdoor heat exchanger is exhibited in the same manner as in the conventional installation method, and the short circuit of the heat exchange airflow is prevented by the partition wall. Further, by opening the soundproof fireproof door provided on the side wall of the shaft and entering the shaft, maintenance and inspection of the outdoor heat exchanger can be performed safely.
【０００９】[0009]
【実施例】本発明の屋外熱交換機の配置方法の一実施例
を図１、図２により説明する。高層集合住宅1 の最上階
1aと最下階1bとの間の例えば躯体2 内に内部中空のシャ
フト3 が貫通される。このシャフト3内に上下方向に平
行な仕切壁4 が設けられてシャフト3 内が吸気側3aと排
気側3bに形成される。吸気側3aの下端は、建物の地下に
埋設したコンクリート製の吸気ダクト5 を介して屋外に
設けた吸気口6に連通されるとともに、吸気側3aの上端
は高層集合住宅1 の屋上に設けた排気口7aに連通され
る。また、シャフト3 内の排気側3bの下端は住宅の床部
により封鎖されるとともに、排気側3bの上端は上記住宅
の屋上に設けた他の排気口7bに連通される。上記仕切壁
4 の長手方向には、各階の屋内熱交換機8 の設置位置に
対応する位置にそれぞれ、１〜３個の屋外熱交換機9 が
配置され、この屋外熱交換機9 によってシャフト3 の吸
気側3aから排気側3b側に気流を形成できるようなってい
る。またこの屋外熱交換機9 はそれぞれ、冷媒配管10a,
10b を介して各住戸の内壁に設けた屋内熱交換機8 に連
通され、両熱交換機8,9 は連動するようになっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a method for arranging an outdoor heat exchanger according to the present invention will be described with reference to FIGS. Top floor of high-rise apartment 1
An internal hollow shaft 3 is penetrated into, for example, a frame 2 between 1a and the lowest floor 1b. A vertical partition wall 4 is provided in the shaft 3 so that the inside of the shaft 3 is formed on the intake side 3a and the exhaust side 3b. The lower end of the intake side 3a is connected to an intake port 6 provided outside through a concrete intake duct 5 buried under the building, and the upper end of the intake side 3a is provided on the roof of a high-rise apartment 1. It is communicated with the exhaust port 7a. The lower end of the exhaust side 3b in the shaft 3 is closed by the floor of the house, and the upper end of the exhaust side 3b is communicated with another exhaust port 7b provided on the roof of the house. The above partition wall
In the longitudinal direction of FIG. 4, one to three outdoor heat exchangers 9 are arranged at positions corresponding to the installation positions of the indoor heat exchangers 8 on each floor, and the outdoor heat exchangers 9 exhaust air from the intake side 3 a of the shaft 3. An airflow can be formed on the side 3b. The outdoor heat exchanger 9 is connected to refrigerant pipes 10a,
It communicates with the indoor heat exchanger 8 provided on the inner wall of each dwelling unit via 10b, and the two heat exchangers 8 and 9 are linked.
【００１０】そして、各屋内熱交換機8 の駆動に連動し
て屋外熱交換機9 が駆動すると、屋外の吸気口6 から吸
い込まれた空気は、吸気ダクト5 とシャフト3 内の吸気
側3aを介して建物の屋上に設けた排気口7aから排出され
るとともに、この空気により屋外熱交換機9 で熱交換さ
れる。そして、この媒体は冷媒配管10a を介して屋内熱
交換機8 に移送され、屋内熱交換機8 により室内に放出
されるとともに、屋内熱交換機8 の媒体に吸収された室
内の熱は他の冷媒配管10b を介して屋外熱交換機9 に移
送されて冷凍回路が形成され、奪取熱は排気側3bを介し
て建物の屋上に設けたの排気口7bから外部に排出され
る。When the outdoor heat exchanger 9 is driven in conjunction with the driving of each indoor heat exchanger 8, the air sucked from the outdoor air inlet 6 flows through the air intake duct 5 and the air intake side 3 a in the shaft 3. The air is exhausted from an exhaust port 7a provided on the roof of the building, and heat is exchanged by the outdoor heat exchanger 9 with the air. Then, this medium is transferred to the indoor heat exchanger 8 via the refrigerant pipe 10a, is released into the room by the indoor heat exchanger 8, and the indoor heat absorbed by the medium of the indoor heat exchanger 8 is transferred to another refrigerant pipe 10b. Is transferred to the outdoor heat exchanger 9 to form a refrigeration circuit, and the captured heat is exhausted to the outside from the exhaust port 7b provided on the roof of the building via the exhaust side 3b.
【００１１】またシャフト3 内の吸気側3aと排気側3b内
にはそれぞれ、例えばグレーチング等の格子状の床11が
各階の床面と同一平面状に設けられ、これらの床11に隣
接するシャフト3 の側壁に点検口13が設けられ、各点検
口13に防音防火扉12がそれぞれ開閉できるように蝶番で
固定される。そして、これらの防音防火扉12を開けて点
検口13からシャフト3 内の吸気側3aあるいは排気側3b内
に入ることにより各屋外熱交換機9 の保守、点検ができ
るようになっている。On the intake side 3a and the exhaust side 3b in the shaft 3, a grid-like floor 11 made of, for example, grating is provided on the same plane as the floor surface of each floor. Inspection ports 13 are provided on the side wall 3 and the soundproof fireproof doors 12 are fixed to the respective inspection ports 13 by hinges so that they can be opened and closed. Then, by opening these soundproof fireproof doors 12 and entering the intake side 3a or the exhaust side 3b in the shaft 3 from the inspection port 13, maintenance and inspection of each outdoor heat exchanger 9 can be performed.
【００１２】なお、本実施例では吸気、排気用のシャフ
ト3 は高層集合住宅1 の躯体2 の内部に設けたがこれに
限定するものではなく、各種のパイプシャフト等の余裕
スペースを利用することもできる。これらの場合もパイ
プシャフト内を上記と同様に仕切壁4 で吸気側3aと排気
側3bに区分し、この仕切壁4 に上記と同様に屋外熱交換
機9 を配置し、この屋外熱交換機9 を冷媒配管10a,10b
を介して屋内熱交換機8 に連通してもよい。この場合も
上記と同様にパイプシャフトの吸、排気側3a,3b 内に格
子状の床部11を設けるとともに、この床部11に隣接する
パイプシャフトの側壁に点検口を設け、この点検口に防
音防火扉12を開閉可能に取付け、屋外熱交換機9 の保
守、点検ができるように構成することもできる。In this embodiment, the intake and exhaust shafts 3 are provided inside the frame 2 of the high-rise apartment house 1. However, the present invention is not limited to this, and it is possible to use extra space such as various pipe shafts. Can also. In these cases as well, the inside of the pipe shaft is divided into an intake side 3a and an exhaust side 3b by a partition wall 4 in the same manner as described above, and an outdoor heat exchanger 9 is disposed on the partition wall 4 in the same manner as described above. Refrigerant piping 10a, 10b
May be connected to the indoor heat exchanger 8 via the Also in this case, a lattice-shaped floor portion 11 is provided in the suction and exhaust sides 3a and 3b of the pipe shaft in the same manner as described above, and an inspection port is provided on a side wall of the pipe shaft adjacent to the floor portion 11, and this inspection port is provided. The soundproof fireproof door 12 can be mounted so as to be openable and closable so that maintenance and inspection of the outdoor heat exchanger 9 can be performed.
【００１３】[0013]
【発明の効果】本発明の屋外熱交換機の配置方法では、
建物内に鉛直方向のシャフトを貫通させて、このシャフ
ト内を上下方向に平行な仕切壁で吸気側と排気側に区分
し、この仕切壁に屋外熱交換機を配置する方法を採用し
たので、従来の建物のベランダ等に配置させる方法より
冷媒管の延長距離が短縮できる。このため、冷媒管の熱
損失が低減して空調効率を向上させることができるとと
もに、冷媒管等の配管材料の使用が少なく済むのでこれ
らの材料費が節約できる。また、シャフト上端の吸気側
と排気側とを外気に連通するとともに、シャフト下端の
吸気側を外気に連通し、シャフトの吸気側から排気側に
気流を形成して熱交換を行わせる屋外熱交換機を前記仕
切壁に適数配置しているので、ドラフト効果も伴って効
率の良い熱交換を行うことができる。また、屋外熱交換
機は、上記のように建物内に設けたシャフト内に配置す
るので防音効果が高く、近隣に対する騒音の影響を懸念
する必要がない。さらに、上記の屋外熱交換機は風雨に
直接さらされないため、耐用年数を延長させることがで
きる。According to the method for arranging an outdoor heat exchanger of the present invention,
Conventionally, a vertical shaft was penetrated into the building, and the inside of the shaft was divided into an intake side and an exhaust side by a partition wall parallel to the vertical direction, and an outdoor heat exchanger was placed on this partition wall. The extension distance of the refrigerant pipe can be reduced as compared with the method of disposing the refrigerant pipe on the veranda or the like of the building. For this reason, the heat loss of the refrigerant pipe can be reduced and the air conditioning efficiency can be improved, and the use of piping materials such as the refrigerant pipe can be reduced, so that the cost of these materials can be saved. An outdoor heat exchanger that communicates the outside air between the intake side and the exhaust side at the upper end of the shaft and the outside air at the lower end of the shaft, and forms an airflow from the intake side to the exhaust side of the shaft to perform heat exchange. Are arranged on the partition wall, and efficient heat exchange can be performed with a draft effect. Further, since the outdoor heat exchanger is arranged in the shaft provided in the building as described above, the outdoor heat exchanger has a high soundproofing effect, and there is no need to worry about the influence of noise on the neighborhood. Furthermore, the above-mentioned outdoor heat exchanger is not directly exposed to wind and rain, so that its service life can be extended.
【図１】本発明の屋外熱交換機の配置方法の実施例を示
す断面図である。FIG. 1 is a sectional view showing an embodiment of a method for arranging an outdoor heat exchanger according to the present invention.
【図２】図１の部分平面断面図である。FIG. 2 is a partial plan sectional view of FIG. 1;
３ シャフト ３ａ 吸気側 ３ｂ 排気側 ４ 仕切壁 ８ 屋内熱交換機 ９ 屋外熱交換機 １０ａ 冷媒配管 １０ｂ 冷媒配管 １１ 床部 １２ 防音防火壁 １３ 点検口 DESCRIPTION OF SYMBOLS 3 Shaft 3a Intake side 3b Exhaust side 4 Partition wall 8 Indoor heat exchanger 9 Outdoor heat exchanger 10a Refrigerant pipe 10b Refrigerant pipe 11 Floor part 12 Soundproof firewall 13 Inspection port
Claims (2)
空調を行う屋外熱交換機と屋内熱交換機とからなるセパ
レート型空冷ヒートポンプの屋外熱交換機の配置方法に
おいて、 高層建造物等の最下階から最上階までに中空のシャフト
を貫通し、前記シャフト内を上下方向に平行な仕切壁で
吸気側と排気側とに区分し、 シャフト上端の吸気側と排気側とを外気に連通するとと
もに、シャフト下端の吸気側を外気に連通し、 シャフトの吸気側から排気側に気流を形成して熱交換を
行わせる屋外熱交換機を前記仕切壁に適数配置するとと
もに、前記屋外熱交換機と、室内に設けた屋内熱交換機
とを冷媒管で連通したことを特徴とする屋外熱交換機の
配置方法。1. A method of arranging an outdoor heat exchanger of a separate type air-cooled heat pump including an outdoor heat exchanger and an indoor heat exchanger which is installed in a high-rise apartment house or a building to perform indoor air conditioning, a hollow shaft penetrating from floor to the top floor, with the inside of the shaft is divided into an exhaust side and the intake side parallel partition walls in the vertical direction, communicating the intake side of the shaft top and the exhaust side to the outside air communicates the intake side of the shaft bottom to the outside air, together with the outdoor heat exchanger to form an air flow to perform heat exchange in the exhaust side from the intake side of the shaft suitable number arranged in the partition wall, and the outdoor heat exchanger, A method for arranging an outdoor heat exchanger, wherein the indoor heat exchanger provided indoors is communicated with a refrigerant pipe.
音防火扉を設けたことを特徴とする請求項１に記載の屋
外熱交換機の配置方法。2. The method for arranging an outdoor heat exchanger according to claim 1, wherein the shaft is provided with a grid-like floor and a soundproof fireproof door for each floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3096268A JP2793379B2 (en) | 1991-04-02 | 1991-04-02 | Arrangement method of outdoor heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3096268A JP2793379B2 (en) | 1991-04-02 | 1991-04-02 | Arrangement method of outdoor heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04306431A JPH04306431A (en) | 1992-10-29 |
| JP2793379B2 true JP2793379B2 (en) | 1998-09-03 |
Family
ID=14160409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3096268A Expired - Fee Related JP2793379B2 (en) | 1991-04-02 | 1991-04-02 | Arrangement method of outdoor heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2793379B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA200801229A1 (en) * | 2008-04-28 | 2009-02-27 | Открытое Акционерное Общество «Строительная Корпорация "Возрождение Санкт-Петербурга"» | AIR CONDITIONING SYSTEM |
| JP5490857B2 (en) * | 2012-07-23 | 2014-05-14 | 住友不動産株式会社 | Multi-storey building air conditioning system |
| JP2015140969A (en) * | 2014-01-29 | 2015-08-03 | 大成建設株式会社 | building structure |
| JP6468872B2 (en) * | 2015-02-04 | 2019-02-13 | 株式会社竹中工務店 | Building |
| CN114396670A (en) * | 2021-12-28 | 2022-04-26 | 山海大象绿色建筑科技有限公司 | Electromechanical integrated energy equipment system for zero-carbon building |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02197734A (en) * | 1989-01-27 | 1990-08-06 | Mitsubishi Electric Corp | Air conditioning system |
| JPH071103B2 (en) * | 1989-04-21 | 1995-01-11 | 三菱電機株式会社 | Air conditioner outdoor unit system |
-
1991
- 1991-04-02 JP JP3096268A patent/JP2793379B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04306431A (en) | 1992-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |