JP2002017174A - Air conditioner for culture facility - Google Patents
Air conditioner for culture facilityInfo
- Publication number
- JP2002017174A JP2002017174A JP2000209818A JP2000209818A JP2002017174A JP 2002017174 A JP2002017174 A JP 2002017174A JP 2000209818 A JP2000209818 A JP 2000209818A JP 2000209818 A JP2000209818 A JP 2000209818A JP 2002017174 A JP2002017174 A JP 2002017174A
- Authority
- JP
- Japan
- Prior art keywords
- air conditioner
- air
- blower
- heat exchange
- heat
- 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.)
- Withdrawn
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Cultivation Of Plants (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、栽培施設用空調装
置に係り、特に熱交換効率を高めた空調装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for a cultivation facility, and more particularly to an air conditioner having improved heat exchange efficiency.
【0002】[0002]
【従来の技術】従来より、草花草木、野菜、果物、キノ
コ類などの栽培施設では施設内に空調装置を設置してそ
れぞれの栽培に適するように空調している。図5は栽培
施設に設置される従来の水冷式空調機を示し、21は機
器ケース、22は熱交換部、23は熱交換部22の背面
側の取付フレーム24に取り付けられた送風機であり、
機器ケース21の背面側から空気を吸入し、熱交換部2
2のフィンに吹き付けて機器ケース21の前方に送風す
るようになっている。この送風機23は上下に設置され
ていて、機器ケース21の表側上端部に設けたスイッチ
25によりそれぞれ各別に駆動できるようになってい
る。2. Description of the Related Art Conventionally, in cultivation facilities for plants, plants, fruits, mushrooms, etc., air conditioners are installed in the facilities to air-condition them so as to be suitable for each cultivation. FIG. 5 shows a conventional water-cooled air conditioner installed in a cultivation facility, 21 is an equipment case, 22 is a heat exchange unit, 23 is a blower attached to an attachment frame 24 on the back side of the heat exchange unit 22,
Air is sucked from the rear side of the equipment case 21 and the heat exchange section 2
The second fin is blown toward the front of the device case 21. The blowers 23 are installed up and down, and can be individually driven by switches 25 provided at the upper end on the front side of the device case 21.
【0003】一方、従来よりドライアイスの気化ガス
(一酸化炭素)を温室内に供給して必要に応じて植物の
光合成を促進させる方法及び装置が提案されており(例
えば、特公平7−274724号公報)、これを空調装
置に組み入れることが考えられる。[0003] On the other hand, a method and a device for supplying a vaporized gas (carbon monoxide) of dry ice into a greenhouse to promote photosynthesis of plants as necessary have been proposed (for example, Japanese Patent Publication No. Hei 7-274724). Publication) and incorporating this into an air conditioner.
【0004】[0004]
【発明が解決しようとする課題】図5に示すような従来
の栽培施設用空調装置にあっては、機器ケース21の背
面側から吸入した空気を熱交換部22のフィンに吹き付
けて機器ケース21の表側に押し出すものであるから、
図5の矢示のように、熱交換部22の全面を通過させる
ことができず、このため熱交換の効率が悪く、また、取
付フレーム25の存在や多数のフィンへの吹き付けなど
により送風量が低下すると共に送風方向が拡開してしま
って送風距離が短く、棟長の栽培棟などでは冷風又は温
風を末端まで充分に送風することができない、という欠
点があった。In the conventional air conditioner for a cultivation facility as shown in FIG. 5, the air sucked from the rear side of the equipment case 21 is blown to the fins of the heat exchanging section 22 so as to blow the equipment case 21. Because it extrudes to the front side of
As shown by the arrow in FIG. 5, the heat cannot be passed through the entire surface of the heat exchange section 22, so that the efficiency of heat exchange is low, and the amount of air blown by the presence of the mounting frame 25 and spraying on a large number of fins. As a result, the blowing direction is widened and the blowing direction is widened, so that the blowing distance is short, and there is a drawback that it is not possible to sufficiently blow cold or warm air to the terminal in a cultivation building or the like.
【0005】本発明の目的は、熱交換効率に優れ、送風
量及び送風距離を増大させることができる栽培施設用空
調装置を提供することにある。It is an object of the present invention to provide an air conditioner for a cultivation facility which is excellent in heat exchange efficiency and can increase the amount and distance of air blow.
【0006】[0006]
【課題を解決するための手段】本発明に係る栽培施設用
空調装置は、請求項1に記載のものにおいては、栽培施
設に設置される空調装置において、空調機の熱交換部の
裏側に送風方向が該熱交換部とは反対方向になるように
送風機を設置し、熱交換部の表側から吸気して熱交換部
で熱交換した空気を後方に送風して施設室内に給送する
ようにしたことを特徴とする。According to a first aspect of the present invention, there is provided an air conditioner for a cultivation facility according to the first aspect of the present invention, wherein air is blown behind a heat exchange unit of the air conditioner in the air conditioner installed in the cultivation facility. A blower is installed so that the direction is opposite to the heat exchange unit, so that air is taken in from the front side of the heat exchange unit, air exchanged by the heat exchange unit is blown backward, and supplied to the facility room. It is characterized by having done.
【0007】これにより、送風機は熱交換部の表側から
空気を吸引し、該熱交換部の全面を通過さて後方に送風
するから、熱交換率が向上し、また、送風機の直前には
何らの障害物がないから、送風量を増大させることがで
きると共に送風距離も長くなる。[0007] Thus, the blower sucks air from the front side of the heat exchanging portion and blows the air through the entire surface of the heat exchanging portion, so that the heat exchange rate is improved, and some blower is provided immediately before the blower. Since there are no obstacles, the amount of air can be increased, and the air blowing distance also becomes longer.
【0008】請求項2記載のものにおいては、送風機に
よる送風方向の指向性を強めるために、スパイラル状に
送風される送風機を用いることを特徴とする。According to a second aspect of the present invention, in order to enhance the directivity of the blower by the blower, a blower blown in a spiral is used.
【0009】これにより、空調空気をより遠くまで送風
することができ、棟の長い栽培施設などにおいても空気
を循環させつつ空調することができる。[0009] Thereby, the conditioned air can be blown farther, and air can be circulated and air-conditioned even in a cultivation facility having a long building.
【0010】請求項3に記載の栽培施設用空調装置は、
空調機にドライアイスの収納室を設け、該収納室に設け
た開閉調節部を介して該収納室に収納されたドライアイ
スの気化ガスを熱交換部で熱交換された空気と必要に応
じて混合して送風機で施設室内に給送するようにしたこ
とを特徴とする。[0010] The air conditioner for a cultivation facility according to claim 3 is:
An air conditioner is provided with a storage room for dry ice, and the vaporized gas of dry ice stored in the storage room is exchanged with the air heat-exchanged by the heat exchange unit through the opening / closing adjustment unit provided in the storage room as necessary. It is characterized in that it is mixed and fed into the facility room by a blower.
【0011】これにより、通常状態では栽培施設内を空
調することができると共に、必要に応じて開閉調節部を
介してドライアイスの気化ガス(一酸化炭素)を空調空
気と混合して植物に効率的に供給することができる。In this way, the cultivation facility can be air-conditioned in a normal state, and if necessary, the vaporized gas (carbon monoxide) of dry ice is mixed with the air-conditioned air via the opening / closing control unit to increase the efficiency of the plant. Can be supplied.
【0012】[0012]
【発明の実施の形態】図1〜図4は本発明に係る栽培施
設用空調装置の実施例を示し、図1は空調機の機器ケー
スの側板を取り外して送風機の配置関係を示す側面図、
図2は一部断面した正面図、図3は送風機の取付機構を
示す斜視図、図4は空調機の送風方向を示す側面図であ
る。1 to 4 show an embodiment of an air conditioner for a cultivation facility according to the present invention. FIG. 1 is a side view showing an arrangement relationship of a blower by removing a side plate of an equipment case of an air conditioner.
2 is a partially sectional front view, FIG. 3 is a perspective view showing a mounting mechanism of the blower, and FIG. 4 is a side view showing a blowing direction of the air conditioner.
【0013】本発明に係る栽培施設用空調装置は、空調
機1の熱交換部2の裏側2bに、送風方向が該熱交換部
2とは反対方向になるように送風機3を設置し、熱交換
部2の表側2aから吸気して熱交換部2で熱交換した空
気を後方に送風して施設室内に給送するようにしたもの
である。In the air conditioner for a cultivation facility according to the present invention, the blower 3 is installed on the back side 2b of the heat exchange unit 2 of the air conditioner 1 so that the blow direction is opposite to the heat exchange unit 2. The air that has been taken in from the front side 2a of the exchange unit 2 and that has exchanged heat in the heat exchange unit 2 is blown rearward to be fed into the facility room.
【0014】また、空調機1にはドライアイスの収納室
11を設け、該収納室11に設けた開閉調節部12を介
して該収納室11に収納されたドライアイスDの気化ガ
スDGを熱交換部2で熱交換された空気と必要に応じて
混合して送風機3で施設室内に送風するように構成され
ている。The air conditioner 1 is provided with a storage room 11 for dry ice, and heats the vaporized gas DG of the dry ice D stored in the storage room 11 through an opening / closing controller 12 provided in the storage room 11. The air that has been heat-exchanged in the exchange unit 2 is mixed as necessary, and is blown into the facility room by the blower 3.
【0015】前記空調機1は、実施例では水冷式のクー
ラーが示されており、熱交換部2は給水口4aから冷水
を熱交換パイプに供給し、排水口4bから排水するよう
になっている。5は機器ケースであって、左右側板5
a,5aと底板5bと天板5cを備えている。空調機1
は、図5に示す従来の空調機とは逆に、前記熱交換部2
の表側2aを保護するように機器ケース5に格子状など
の保護パネル6bが設けられ、従来の空調機の裏板側
(本発明においては正面側となる。)に送風機3のフー
ド取付穴6cを有する正面パネル6aが取り外し自在に
取り付けられるようになっており、前記送風機3は前記
熱交換部2の裏側に送風方向を後方(本発明においては
正面方向)に向けて、即ち、前記熱交換部2の表側2a
から空気を吸入して後方に送風するように配置されてい
る。In the embodiment, the air conditioner 1 is shown as a water-cooled cooler, and the heat exchange section 2 supplies cold water to a heat exchange pipe from a water supply port 4a and drains it from a drain port 4b. I have. Reference numeral 5 denotes an equipment case,
a, 5a, a bottom plate 5b, and a top plate 5c. Air conditioner 1
Is opposite to the conventional air conditioner shown in FIG.
The device case 5 is provided with a grid-like protection panel 6b so as to protect the front side 2a of the air conditioner, and a hood mounting hole 6c of the blower 3 is provided on the back plate side (the front side in the present invention) of the conventional air conditioner. The blower 3 has a blower direction directed rearward (in the present invention, in the front direction) to the back side of the heat exchange unit 2, that is, the heat exchanger 6. Front side 2a of part 2
It is arranged so that air may be sucked in from behind and blown backward.
【0016】前記送風機3は、近時、室内などの循環扇
として盛んに使用されている送風方向の指向性の強い送
風機「ボルナド」(VORNADO)(商品名)ファン
を使用している。この送風機はスパイラル状に旋回流と
なって送風されることから、送風方向の指向性が強く、
室内などに滞留する冷気又は暖気を循環させる循環扇と
して優れた効果を発揮している。そして、この送風機3
を前記のように逆向きに設置することにより、熱交換部
2の表側から空気を吸入して熱交換部2を通過させ、こ
こで熱交換された冷気又は暖気(実施例では冷気)を指
向性をもたせて後方に送風するものである。この送風機
3は上下二段に設置されていて2機を同時に、又は各別
に運転し得るようになっている。また、送風のみをなし
得るのは勿論である。The blower 3 uses a blower “VORNADO” (trade name) fan, which has recently been widely used as a circulation fan in a room or the like, and has a strong directivity in a blowing direction. Since this blower is blown in a spiral form as a swirling flow, it has strong directivity in the blowing direction,
It has an excellent effect as a circulating fan that circulates cool air or warm air staying indoors. And this blower 3
Is installed in the opposite direction as described above, so that air is sucked in from the front side of the heat exchange unit 2 and passed through the heat exchange unit 2 to direct the cool air or the warm air (cool air in the embodiment) exchanged here. The air is blown backwards with the property. The blowers 3 are installed in two stages, upper and lower, so that two fans can be operated simultaneously or separately. In addition, it is needless to say that only the air can be blown.
【0017】7,7は前記機器ケース5の内部に横方向
に平行に差し渡された取付フレームであり、上下二段に
配置され、前記「ボルナド」ファンの取り付けに適する
ように、前後で段違いになっており、該取付フレーム
7,7に、図3に示すような送風機受け台8が取り付け
られ、この送風機受け台8に前記送風機3が取外し可能
にねじ止めされている。Reference numerals 7 and 7 denote mounting frames which extend in parallel to the inside of the equipment case 5 in a horizontal direction. The mounting frames are arranged in two upper and lower stages, and are stepped in front and rear so as to be suitable for mounting the "Bornad" fan. A blower receiver 8 as shown in FIG. 3 is mounted on the mounting frames 7 and 7, and the blower 3 is detachably screwed to the blower receiver 8.
【0018】前記のようにして送風機3は取付フレーム
7,7に上下2個取り付けられ、この状態で該送風機3
のフード3aを前記フード取付穴6cから突出させるよ
うにして正面パネル6aを機器ケース5に取り付ける。As described above, the upper and lower blowers 3 are mounted on the mounting frames 7, 7 in this state.
The front panel 6a is attached to the device case 5 such that the hood 3a protrudes from the hood attachment hole 6c.
【0019】前記のように構成された空調機1にドライ
アイス収納室11を設けることができ、図1,図2に示
すように、ドライアイス収納室11の気化室11aと空
調機1の内部とを連通路9で連通するようにしてもよ
い。なお、図2において、10はドライアイス投入口の
開閉蓋である。The air conditioner 1 constructed as described above can be provided with a dry ice storage room 11, and as shown in FIGS. 1 and 2, the vaporizing room 11a of the dry ice storage room 11 and the inside of the air conditioner 1 are provided. May be communicated through the communication passage 9. In FIG. 2, reference numeral 10 denotes a lid for opening and closing a dry ice inlet.
【0020】前記のように構成すれば、空調空気の熱交
換率を向上させることができると共に空調空気とドライ
アイスDの気化ガスDGとの混合空気を施設室内に効率
よく供給することができる。With the above configuration, the heat exchange rate of the conditioned air can be improved, and the mixed air of the conditioned air and the vaporized gas DG of the dry ice D can be efficiently supplied to the facility room.
【0021】図4は本発明に係る栽培施設用空調装置に
おける空調機1の送風方向を示す側面図であり、送風機
3が稼動すると熱交換部2の表側2aから空気が吸入さ
れ、熱交換部2を通過して熱交換され、前記のように送
風方向の指向性の強い送風機3により後方に直進的に送
風される。FIG. 4 is a side view showing the air blowing direction of the air conditioner 1 in the air conditioner for a cultivation facility according to the present invention. When the blower 3 operates, air is sucked in from the front side 2a of the heat exchange unit 2 and the heat exchange unit 2, heat is exchanged, and is blown straight rearward by the blower 3 having strong directivity in the blowing direction as described above.
【0022】このように、送風機3により熱交換部2の
外側から空気を吸入する方式であるため、空気を熱交換
部2の全面を通過させることができ、熱交換効率が高め
られる。また、熱交換された空気は送風方向に障害物が
ないから送風量が増大し、しかも送風方向の指向性の強
い送風機3を用いることにより送風距離が長くなり、施
設室内の各部まで送風することができる。なお、熱交換
手段によっては、熱交換させた熱交換部2の吸収熱又は
余剰熱をドライアイスDの気化熱に利用することも考え
られる。As described above, since the air is sucked in from the outside of the heat exchange unit 2 by the blower 3, the air can pass through the entire surface of the heat exchange unit 2 and the heat exchange efficiency is improved. In addition, since the heat-exchanged air has no obstruction in the blowing direction, the blowing amount increases, and the blowing distance becomes longer by using the blower 3 having a strong directivity in the blowing direction, so that the air is blown to each part in the facility room. Can be. Note that, depending on the heat exchange means, it is conceivable to use the absorbed heat or the surplus heat of the heat exchange unit 2 that has exchanged heat as the heat of vaporization of the dry ice D.
【0023】[0023]
【発明の効果】本発明の栽培施設用空調装置によれば、
請求項1記載のものにおいては、送風機は熱交換部の表
側から空気を吸引し、該熱交換部の全面を通過さて後方
に送風するから、熱交換率が向上し、また、送風機の直
前には何らの障害物がないから、送風量を増大させるこ
とができると共に送風距離も長くなる。According to the air conditioner for a cultivation facility of the present invention,
According to the first aspect of the present invention, the blower sucks air from the front side of the heat exchanging unit and blows the air through the entire surface of the heat exchanging unit, so that the heat exchange rate is improved, and immediately before the blower. Since there are no obstacles, the air volume can be increased and the air distance can be increased.
【0024】請求項2記載のものにおいては、空調空気
をより遠くまで送風することができ、棟の長い栽培施設
などにおいても空気を循環させつつ空調することができ
る。According to the second aspect of the present invention, the conditioned air can be blown farther and the air can be circulated even in a cultivation facility having a long building.
【0025】請求項3記載のものにおいては、通常状態
では栽培施設内を空調することができると共に、必要に
応じて開閉調節部を介してドライアイスの気化ガス(一
酸化炭素)を空調空気と混合して植物に供給することが
できる。According to the third aspect of the present invention, the cultivation facility can be air-conditioned in a normal state, and the vaporized gas (carbon monoxide) of dry ice is supplied to the conditioned air via the opening / closing control unit as needed. It can be mixed and supplied to plants.
【図1】本発明に係る栽培施設用空調装置の実施例を示
し、空調機の機器ケースの側板を取り外して送風機の配
置関係を示す側面図である。FIG. 1 is a side view showing an embodiment of an air conditioner for a cultivation facility according to the present invention, in which a side plate of an equipment case of an air conditioner is removed to show an arrangement relationship of a blower.
【図2】送風機の一部断面した正面図である。FIG. 2 is a partially sectional front view of the blower.
【図3】送風機の取付機構を示す斜視図である。FIG. 3 is a perspective view showing a mounting mechanism of the blower.
【図4】空調機の送風方向を示す側面図である。FIG. 4 is a side view showing a blowing direction of the air conditioner.
【図5】従来の空調機の側面図である。FIG. 5 is a side view of a conventional air conditioner.
1 空調機 2 熱交換部 2a 熱交換部の表側 2b 熱交換部の裏側 3 送風機 5 機器ケース 7 取付フレーム 8 送風機受け台 9 連通路 11 ドライアイス収納室 12 開閉調節部 D ドライアイス DG 気化ガス DESCRIPTION OF SYMBOLS 1 Air conditioner 2 Heat exchange part 2a Front side of heat exchange part 2b Back side of heat exchange part 3 Blower 5 Equipment case 7 Mounting frame 8 Blower pedestal 9 Communication path 11 Dry ice storage room 12 Opening / closing control part D Dry ice DG Vaporized gas
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) F24F 3/12 F24F 3/12 Fターム(参考) 2B022 DA12 2B029 SA01 SE05 4G068 AA01 AB01 AB03 AC01 AC02 AD39 DA02 DA05 DB06 DC03 DD11 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F24F 3/12 F24F 3/12 F term (Reference) 2B022 DA12 2B029 SA01 SE05 4G068 AA01 AB01 AB03 AC01 AC02 AD39 DA02 DA05 DB06 DC03 DD11
Claims (3)
て、空調機の熱交換部の裏側に送風方向が該熱交換部と
は反対方向になるように送風機を設置し、熱交換部の表
側から吸気して熱交換部で熱交換した空気を後方に送風
して施設室内に給送するするようにしたことを特徴とす
る栽培施設用空調装置。In an air conditioner installed in a cultivation facility, a blower is installed on the back side of a heat exchange unit of the air conditioner so that a blowing direction is opposite to the heat exchange unit, and from a front side of the heat exchange unit. An air conditioner for a cultivation facility, wherein the air that has been taken in and heat exchanged in the heat exchange unit is blown backward to be fed into the facility room.
ために、送風機がスパイラル状に送風される送風機であ
ることを特徴とする請求項1記載の栽培施設用空調装
置。2. The air conditioner for cultivation facilities according to claim 1, wherein the blower is a blower that is blown in a spiral shape in order to enhance the directivity of the blower by the blower.
該収納室に設けた開閉調節部を介して該収納室に収納さ
れたドライアイスの気化ガスを熱交換部で熱交換された
空気と必要に応じて混合して送風機で施設室内に送風す
るようにしたことを特徴とする請求項1,2記載の栽培
施設用空調装置。3. An air conditioner is provided with a storage room for dry ice,
The gaseous gas of dry ice stored in the storage room is mixed with the air heat-exchanged in the heat exchange unit as necessary through the opening / closing adjustment unit provided in the storage room, and is blown into the facility room by the blower. The air conditioner for a cultivation facility according to claim 1, wherein the air conditioner is used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000209818A JP2002017174A (en) | 2000-07-11 | 2000-07-11 | Air conditioner for culture facility |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000209818A JP2002017174A (en) | 2000-07-11 | 2000-07-11 | Air conditioner for culture facility |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002017174A true JP2002017174A (en) | 2002-01-22 |
Family
ID=18706172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000209818A Withdrawn JP2002017174A (en) | 2000-07-11 | 2000-07-11 | Air conditioner for culture facility |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002017174A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005308326A (en) * | 2004-04-22 | 2005-11-04 | Fulta Electric Machinery Co Ltd | Nozzle structure of agricultural stirring fan |
JP2010038479A (en) * | 2008-08-07 | 2010-02-18 | Sanyo Electric Co Ltd | Agricultural air conditioner |
JP2010038478A (en) * | 2008-08-07 | 2010-02-18 | Sanyo Electric Co Ltd | Air conditioner for agriculture |
JP2010196976A (en) * | 2009-02-25 | 2010-09-09 | Sanyo Electric Co Ltd | Air conditioning device for agriculture |
KR101031772B1 (en) | 2009-05-21 | 2011-04-29 | 오석인 | Carbon dioxide supply device using dry ice |
-
2000
- 2000-07-11 JP JP2000209818A patent/JP2002017174A/en not_active Withdrawn
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005308326A (en) * | 2004-04-22 | 2005-11-04 | Fulta Electric Machinery Co Ltd | Nozzle structure of agricultural stirring fan |
JP4593158B2 (en) * | 2004-04-22 | 2010-12-08 | フルタ電機株式会社 | Nozzle structure of agitating fan for agriculture |
JP2010038479A (en) * | 2008-08-07 | 2010-02-18 | Sanyo Electric Co Ltd | Agricultural air conditioner |
JP2010038478A (en) * | 2008-08-07 | 2010-02-18 | Sanyo Electric Co Ltd | Air conditioner for agriculture |
JP2010196976A (en) * | 2009-02-25 | 2010-09-09 | Sanyo Electric Co Ltd | Air conditioning device for agriculture |
KR101031772B1 (en) | 2009-05-21 | 2011-04-29 | 오석인 | Carbon dioxide supply device using dry ice |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20071002 |