JP2885470B2 - Air conditioning unit - Google Patents

Air conditioning unit

Info

Publication number
JP2885470B2
JP2885470B2 JP2090784A JP9078490A JP2885470B2 JP 2885470 B2 JP2885470 B2 JP 2885470B2 JP 2090784 A JP2090784 A JP 2090784A JP 9078490 A JP9078490 A JP 9078490A JP 2885470 B2 JP2885470 B2 JP 2885470B2
Authority
JP
Japan
Prior art keywords
water
condensing
heat exchanger
air
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.)
Expired - Fee Related
Application number
JP2090784A
Other languages
Japanese (ja)
Other versions
JPH03291430A (en
Inventor
靖信 大森
Original Assignee
株式会社前川製作所
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.)
Filing date
Publication date
Application filed by 株式会社前川製作所 filed Critical 株式会社前川製作所
Priority to JP2090784A priority Critical patent/JP2885470B2/en
Publication of JPH03291430A publication Critical patent/JPH03291430A/en
Application granted granted Critical
Publication of JP2885470B2 publication Critical patent/JP2885470B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、主として航空機等のグランドクーラ、屋外
設置型室内用空調器等として使用される空調ユニットに
関する。
Description: TECHNICAL FIELD The present invention relates to an air conditioning unit mainly used as a ground cooler for an airplane or the like, an indoor air conditioner installed outdoors, and the like.

(従来の技術) 従来の航空機のグランドクーラは、第2図に示すよう
に、送風機1で送られた外気を熱交換器2により直接冷
水コイルの外側を通して冷風として機内等に供給してい
た。
(Prior Art) As shown in FIG. 2, a conventional air cooler of a conventional aircraft supplies outside air sent by a blower 1 as cold air through a heat exchanger 2 directly to outside of a chilled water coil.

(発明が解決しようとする課題) しかるに、この場合、熱交換器2にかかる負荷には、
送風機1の圧縮熱が加えられ、例えば外気が35℃の時、
圧送される空気の温度は53℃位になる。これを目的の冷
却温度、例えば10℃まで冷却するためには、第3図に示
すように、熱交換器にかかる全体負荷は、外気の供給さ
ら冷風の吹出しまでの全ての負荷分をカバーしなければ
ならないことになる。
(Problems to be solved by the invention) However, in this case, the load applied to the heat exchanger 2 includes:
When the compression heat of the blower 1 is applied, for example, when the outside air is 35 ° C.,
The temperature of the pumped air is around 53 ° C. In order to cool this to a target cooling temperature, for example, 10 ° C., as shown in FIG. 3, the total load applied to the heat exchanger covers all loads up to the supply of outside air and the blowing of cool air. Must be done.

本発明は、上記問題点に鑑み、送風機の圧縮熱を予め
除去し熱交換器に加わる負荷を軽減したコンパクトな空
調ユニットを提供するものである。
The present invention has been made in view of the above problems, and provides a compact air-conditioning unit in which the heat of compression of a blower is removed in advance to reduce a load applied to a heat exchanger.

(課題を解決するための手段) 請求項1記載の空調ユニットは、送風口を有する空気
供給用の送風機と、この送風機の前記送風口に連通され
た中間冷却室を一端側に有するとともに、他端側には冷
風吹出口および空気中の水蒸気が凝縮して生じる凝縮水
を溜める凝縮水溜め部を有する水平方向に沿って略細長
状の冷水熱交換器と、内部に作動液および作動蒸気が封
入され、前記冷水熱交換器の前記中間冷却室内に鉛直方
向に沿って配設され前記作動液が蒸発して前記作動蒸発
になる細長状の蒸発部を有するとともに、前記中間冷却
室から上方に突出した前記蒸発部の上端に連続して直角
状に形成され前記冷水熱交換器の上方近傍に水平方向に
沿って配設され前記作動蒸気が凝縮して前記作動液にな
る細長状の凝縮部を有するヒートパイプと、このヒート
パイプの前記凝縮部の上方に水平方向に沿って配設され
前記ヒートパイプの前記凝縮部に向けて水を散布する散
水スプレーと、前記ヒートパイプの前記凝縮部の下方で
あって前記冷水熱交換器の上方近傍に配設され前記散水
スプレーからの水を受ける水受皿と、この水受皿に一端
部が連通されるとともに他端部が前記冷水熱交換器の前
記凝縮水溜め部に連通され一端側から他端側に向けて凝
縮水を搬送する凝縮水管と、前記水受皿内の水を回収し
この回収した水を前記散水スプレーに向けて循環させる
循環ポンプとを具備したものである。
(Means for Solving the Problems) The air conditioning unit according to claim 1 has a blower for air supply having a blower port, and an intermediate cooling chamber connected to the blower port of the blower on one end side, and has another configuration. On the end side, a substantially elongated cold water heat exchanger that has a cold air outlet and a condensed water reservoir that stores condensed water generated by condensation of water vapor in the air, and a working fluid and working steam are inside the heat exchanger. Sealed and disposed in the intermediate cooling chamber of the chilled water heat exchanger along the vertical direction and having a slender evaporating portion in which the working fluid evaporates to evaporate the working fluid, and extends upward from the intermediate cooling chamber. An elongated condensing portion which is formed at a right angle continuously to the upper end of the protruding evaporating portion and is disposed in the vicinity of the upper part of the cold water heat exchanger along the horizontal direction and in which the working steam is condensed to become the working liquid. A heat pipe having A water spray, which is disposed along the horizontal direction above the condensing portion of the heat pipe and sprays water toward the condensing portion of the heat pipe; and A water tray disposed near the upper part of the heat exchanger for receiving water from the water spray, one end of which is connected to the water tray and the other end of which is connected to the condensed water reservoir of the cold water heat exchanger; A condensed water pipe that conveys condensed water from one end to the other end, and a circulation pump that collects water in the water receiving tray and circulates the collected water toward the water spray. .

請求項2記載の空調ユニットは、請求項1記載の空調
ユニットにおいて、ヒートパイプの凝縮部に対してこの
凝縮部の長手方向に沿って風を送る小型送風機を具備し
たものである。
An air conditioning unit according to a second aspect of the present invention is the air conditioning unit according to the first aspect, further comprising a small blower that sends air to a condensing portion of the heat pipe along a longitudinal direction of the condensing portion.

請求項3記載の空調ユニットは、請求項1または2記
載の空調ユニットにおいて、ヒートパイプをフィンコイ
ル型にしたものである。
An air conditioning unit according to a third aspect is the air conditioning unit according to the first or second aspect, wherein the heat pipe is a fin coil type.

(作用) 請求項1記載の空調ユニットでは、送風機の送風口か
ら中間冷却室内に送られた空気は、この中間冷却室内に
配設されたヒートパイプの蒸発部と接触し、この蒸発部
内の作動液と熱交換して冷却され、冷水熱交換器に送ら
れる。そして、この冷水熱交換機に送られた空気は、こ
の冷水熱交換器内で冷水と熱交換してさらに低温にまで
冷却された後、冷風となって冷風吹出口から航空機内等
に供給される。なお、この空気の冷却過程において、空
気の湿度が高い場合には、空気中の水蒸気が凝縮して凝
縮水を生じ、この生じた凝縮水は凝縮水溜め部に溜ま
り、その後、凝縮水管にて水受皿に搬送される。また、
ヒートパイプの蒸発部で吸熱して作動液が蒸発して生じ
た作動蒸気は、ヒートパイプの凝縮部で散水スプレーか
らの水と熱交換することにより放熱して凝縮し、もとの
作動液となって再び蒸発部に流下する。一方、水受皿で
は、散水スプレーからの水および凝縮水管からの水が溜
まり、この溜まった水は、循環ポンプにて回収され散水
スプレーに向けて循環されて使用される。
(Operation) In the air conditioning unit according to the first aspect, the air sent from the blower of the blower into the intermediate cooling chamber comes into contact with the evaporator of the heat pipe disposed in the intermediate cooler, and the operation in the evaporator is performed. It is cooled by exchanging heat with the liquid and sent to the cold water heat exchanger. Then, the air sent to the chilled water heat exchanger exchanges heat with chilled water in the chilled water heat exchanger and is cooled to a lower temperature. . In the cooling process of the air, when the humidity of the air is high, the water vapor in the air is condensed to generate condensed water, and the generated condensed water is stored in the condensed water reservoir, and thereafter, the condensed water pipe is used. It is transported to a water pan. Also,
The working steam generated by absorbing the heat in the evaporating section of the heat pipe and evaporating the working fluid generates heat by exchanging heat with the water from the water spray in the condensing section of the heat pipe and condenses by condensing it with the original working fluid. And flows down to the evaporating section again. On the other hand, in the water receiving tray, water from the water spray and water from the condensed water pipe are collected, and the collected water is collected by a circulation pump and circulated toward the water spray to be used.

請求項2記載の空調ユニットでは、小型送風機にてヒ
ートパイプの凝縮部に対してこの凝縮部の長手方向に沿
って風が送られるため、この凝縮部では散水スプレーか
らの水とともに、この小型送風機からの風によって、作
動蒸気が効率よく放熱して凝縮する。
In the air conditioning unit according to claim 2, since the wind is sent to the condensing section of the heat pipe by the small blower along the longitudinal direction of the condensing section, the small blower is used together with the water from the water spray in the condensing section. The working steam efficiently radiates heat and condenses due to the wind from the wind.

請求項3記載の空調ユニットでは、ヒートパイプをフ
ィンコイル型にすることにより、熱交換の効率が良くな
る。
In the air conditioning unit according to the third aspect, the heat pipe has a fin coil type, so that heat exchange efficiency is improved.

(実施例) 本発明の一実施例を第1図によって説明する。(Embodiment) An embodiment of the present invention will be described with reference to FIG.

1は外気供給用の送風機で、一端に送風口3が開口さ
れている。この送風口3は、水平方向に略細長状の冷水
熱交換器5の一端側に形成された中間冷却室4に連通さ
れている。この冷水熱交換器5は、図示しない冷水コイ
ルを内部に備え、この冷水コイルの両端は冷水供給管6
と温水排出管7とに連通されている。さらに、冷水熱交
換器5の他端側には冷風吹出口8が開口されている。
Reference numeral 1 denotes a blower for supplying outside air, and a blow port 3 is opened at one end. The air outlet 3 is communicated with an intermediate cooling chamber 4 formed on one end side of a cold water heat exchanger 5 which is substantially elongated in the horizontal direction. The chilled water heat exchanger 5 includes a chilled water coil (not shown) therein.
And the hot water discharge pipe 7. Further, a cold air outlet 8 is opened at the other end of the cold water heat exchanger 5.

9はフィンコイル型のヒートパイプで、鉛直方向に沿
った細長状の蒸発部10と水平方向に沿った細長状の凝縮
部11とよりなり、中間で直角に曲がった形状をなしてお
り、内部にはフロン、アルコール等の作動流体である作
動液および作動蒸気が封入されている。
Reference numeral 9 denotes a fin coil type heat pipe, which comprises an elongated evaporating section 10 extending in a vertical direction and an elongated condensing section 11 extending in a horizontal direction, and has a shape bent at a right angle in the middle. Is filled with a working fluid and working steam as working fluids such as Freon and alcohol.

そして、蒸発部10は前記中間冷却室4中に挿入されて
おり、凝縮部11は前記中間冷却室4より上方に突出し冷
水熱交換器5の上方に略水平に保持されている。さら
に、凝縮部11の下方には水受皿12が設けられ、上方には
散水管13の散水スプレー14が臨ませられ、散水管13は途
中に循環ポンプ15を介して前記水受皿12の水中に連通開
口されている。また、前記冷水熱交換器5の凝縮水溜り
部20から導出した凝縮水管16が水受皿12に連通開口され
ている。
The evaporator 10 is inserted into the intermediate cooling chamber 4, and the condenser 11 protrudes upward from the intermediate cooling chamber 4 and is held substantially horizontally above the cold water heat exchanger 5. Further, a water receiving tray 12 is provided below the condensing section 11, and a water spray 14 of a water spray pipe 13 faces the upper side, and the water spray pipe 13 enters the water of the water tray 12 via a circulation pump 15 on the way. A communication opening is provided. A condensed water pipe 16 led out from the condensed water reservoir 20 of the chilled water heat exchanger 5 is opened to communicate with the water receiving tray 12.

なお、前記ヒートパイプ9の凝縮部11に向ってこの凝
縮部11の長手方向に沿って風を送る小形送風機17が凝縮
部11の一側上方に配設されている。
In addition, a small blower 17 that sends air along the longitudinal direction of the condenser 11 to the condenser 11 of the heat pipe 9 is disposed above one side of the condenser 11.

つぎに、上記実施例の作動を説明する。 Next, the operation of the above embodiment will be described.

送風機1から圧送された例えば35℃の外気は、送風機
1の圧縮熱を含み例えば53℃となって先ず中間冷却室4
に挿入されたヒートパイプ9の蒸発部10に接触し、内部
の作動液が吸熱して蒸発し、この蒸発潜熱によって略35
℃〜42℃に冷却された空気は冷水熱交換器5の冷水コイ
ルによってさらに冷却され、目的の温度(約7℃〜10
℃)の空気が冷風吹出口8から例えば航空機の機内に供
給される。
The outside air of, for example, 35 ° C. which is pressure-fed from the blower 1 contains the heat of compression of the blower 1 and becomes, for example, 53 ° C.
The working fluid inside the heat pipe 9 comes into contact with the evaporating section 10 of the heat pipe 9 and evaporates by absorbing heat.
C. to 42.degree. C. is further cooled by the chilled water coil of the chilled water heat exchanger 5, and the target temperature (about 7.degree.
C) is supplied from the cool air outlet 8 into, for example, an aircraft.

一方、ヒートパイプ9の蒸発部10で蒸発して生じた作
動蒸気は、内部を上昇して上方の水平の凝縮部11に達
し、ここで散水スプレー14から散布された水と熱交換す
ることにより冷却されて凝縮し、作動液となってヒート
パイプ9を流下し蒸発部10に溜り、再び加熱されて蒸発
し、この作動が繰り返される。
On the other hand, the working steam generated by evaporating in the evaporating section 10 of the heat pipe 9 ascends inside and reaches the upper horizontal condensing section 11, where it exchanges heat with the water sprayed from the water spray 14 to generate heat. It is cooled and condensed, becomes a working fluid, flows down the heat pipe 9 and accumulates in the evaporating section 10, is heated again and evaporates, and this operation is repeated.

散水スプレー14から散布された水は、小型送風機17に
よってヒートパイプ9の表面で一部は蒸発するが、余剰
の水は水受皿12に溜まる。また、水受皿12には、冷水が
供給されるとともに熱交換器5で空気冷却によって生じ
た凝縮水も凝縮水管16によって送り込まれる。そして、
この水受皿12内の水は、循環ポンプ15で回収され再び散
水スプレー14に循環される。
The water sprayed from the water spray 14 is partially evaporated on the surface of the heat pipe 9 by the small blower 17, but excess water accumulates in the water tray 12. In addition, cold water is supplied to the water tray 12, and condensed water generated by air cooling in the heat exchanger 5 is also sent through the condensed water pipe 16. And
The water in the water tray 12 is collected by the circulation pump 15 and circulated again to the water spray 14.

(発明の効果) 請求項1記載の発明によれば、空気供給用の送風機に
よって送られる空気を、ヒートパイプによって冷却する
ため、送風機の圧縮熱を予め除去でき、熱交換器に加わ
る負荷を軽減でき、例えば、冷水使用量を節約でき、ま
た供給熱量も節約できる。
(Effect of the Invention) According to the first aspect of the invention, since the air sent by the air supply blower is cooled by the heat pipe, the compression heat of the blower can be removed in advance, and the load applied to the heat exchanger is reduced. For example, the amount of cold water used can be saved, and the amount of heat supplied can also be saved.

また、水受皿にて散水スプレーからの水ばかりでなく
凝縮水管からの水も溜め、この溜めた水を循環ポンプに
て回収して循環使用するため、空気中の水蒸気の凝縮に
よる凝縮水の有効利用を図ることができる。
In addition, not only water from the spray spray but also water from the condensate water pipe is collected in the water tray, and the collected water is collected and circulated by the circulating pump. It can be used.

さらに、ヒートパイプにつき中間で直角に曲がった形
状とし、その蒸発部を冷水熱交換器の中間冷却室内に鉛
直方向に沿って配設しかつその凝縮部を冷水熱交換器の
上方近傍に水平方向に沿って配設するため、空調ユニッ
ト全体につき高さ寸法を小さくできコンパクトにでき
る。
Further, the heat pipe has a shape that is bent at a right angle in the middle, the evaporating part is disposed vertically in the intermediate cooling chamber of the chilled water heat exchanger, and the condensing part is horizontally positioned near the upper part of the chilled water heat exchanger. , The height of the entire air conditioning unit can be reduced and the air conditioning unit can be made compact.

請求項2記載の発明によれば、小型送風機にてヒート
パイプの凝縮部に対してこの凝縮部の長手方向に沿って
風を送るため、この凝縮部で散水スプレーからの水だけ
でなくこの風を利用することにより、作動蒸気を効率よ
く凝縮させることができ、空調ユニット全体の動作係数
の向上を図ることができる。
According to the second aspect of the present invention, the small blower sends air to the condensing portion of the heat pipe along the longitudinal direction of the condensing portion. By using the air conditioner, the working steam can be efficiently condensed, and the operation coefficient of the entire air conditioning unit can be improved.

請求項3記載の発明によれば、ヒートパイプをフィン
コイル型にすることで熱交換の効率を良くできるので、
空調ユニット全体の動作係数のより一層の向上を図るこ
とができる。
According to the third aspect of the present invention, since the heat pipe can be made into a fin coil type, heat exchange efficiency can be improved.
It is possible to further improve the operation coefficient of the entire air conditioning unit.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明の空調ユニットの一実施例を示す側面
図、第2図は従来のグランドクーラの説明図、第3図は
グランドクーラの温度収支の説明図である。 1……送風機、3……送風口、4……中間冷却室、5…
…冷水熱交換器、8……冷風吹出口、9……ヒートパイ
プ、10……蒸発部、11……凝縮部、12……水受皿、14…
…散水スプレー、15……循環ポンプ、16……凝縮水管、
20……凝縮水管
FIG. 1 is a side view showing an embodiment of the air conditioning unit of the present invention, FIG. 2 is an explanatory view of a conventional ground cooler, and FIG. 3 is an explanatory view of a temperature balance of the ground cooler. 1 ... blower, 3 ... blow-out port, 4 ... intermediate cooling room, 5 ...
... Chilled water heat exchanger, 8 ... Cold air outlet, 9 ... Heat pipe, 10 ... Evaporation unit, 11 ... Condensing unit, 12 ... Water tray, 14 ...
... water spray, 15 ... circulation pump, 16 ... condensate pipe,
20 …… Condensed water pipe

Claims (3)

    (57)【特許請求の範囲】(57) [Claims]
  1. 【請求項1】送風口を有する空気供給用の送風機と、 この送風機の前記送風口に連通された中間冷却室を一端
    側に有するとともに、他端側には冷風吹出口および空気
    中の水蒸気が凝縮して生じる凝縮水を溜める凝縮水溜め
    部を有する水平方向に沿って略細長状の冷水熱交換器
    と、 内部に作動液および作動蒸気が封入され、前記冷水熱交
    換器の前記中間冷却室内に鉛直方向に沿って配設され前
    記作動液が蒸発して前記作動蒸発になる細長状の蒸発部
    を有するとともに、前記中間冷却室から上方に突出した
    前記蒸発部の上端に連続して直角状に形成され前記冷水
    熱交換器の上方近傍に水平方向に沿って配設され前記作
    動蒸気が凝縮して前記作動液になる細長状の凝縮部を有
    するヒートパイプと、 このヒートパイプの前記凝縮部の上方に水平方向に沿っ
    て配設され前記ヒートパイプの前記凝縮部に向けて水を
    散布する散水スプレーと、 前記ヒートパイプの前記凝縮部の下方であって前記冷水
    熱交換器の上方近傍に配設され前記散水スプレーからの
    水を受ける水受皿と、 この水受皿に一端部が連通されるとともに他端部が前記
    冷水熱交換器の前記凝縮水溜め部に連通され一端側から
    他端側に向けて凝縮水を搬送する凝縮水管と、 前記水受皿内の水を回収しこの回収した水を前記散水ス
    プレーに向けて循環させる循環ポンプと を具備したことを特徴とする空調ユニット。
    1. An air supply blower having a blower port, an intermediate cooling chamber connected to the blower port of the blower at one end, and a cool air outlet and water vapor in the air at the other end. A substantially elongate chilled water heat exchanger having a condensed water reservoir for storing condensed water generated by condensation, a working fluid and working steam are sealed inside, and the intermediate cooling chamber of the chilled water heat exchanger The elongate evaporator is disposed along the vertical direction and evaporates the working fluid to evaporate the working fluid, and has a right-angled shape continuous with the upper end of the evaporator protruding upward from the intermediate cooling chamber. A heat pipe having an elongated condensing portion disposed along the horizontal direction in the vicinity of the upper part of the cold water heat exchanger and condensing the working steam to become the working fluid; and the condensing portion of the heat pipe. Horizontally above A water spray that is disposed along the water pipe and sprays water toward the condensing part of the heat pipe; and a water spray that is disposed below the condensing part of the heat pipe and near the upper part of the cold water heat exchanger. A water receiving tray for receiving water from the water receiving tray, one end of which is connected to the water receiving tray, and the other end of which is connected to the condensed water reservoir of the chilled water heat exchanger to condense water from one end to the other end. An air conditioning unit, comprising: a condensed water pipe to be conveyed; and a circulation pump that collects water in the water receiving tray and circulates the collected water toward the water spray.
  2. 【請求項2】ヒートパイプの凝縮部に対してこの凝縮部
    の長手方向に沿って風を送る小型送風機を具備した ことを特徴とする請求項1に記載の空調ユニット。
    2. The air conditioning unit according to claim 1, further comprising a small blower for sending air to the condensing portion of the heat pipe along the longitudinal direction of the condensing portion.
  3. 【請求項3】ヒートパイプをフィンコイル型にした ことを特徴とする請求項1または2に記載の空調ユニッ
    ト。
    3. The air conditioning unit according to claim 1, wherein the heat pipe is a fin coil type.
JP2090784A 1990-04-05 1990-04-05 Air conditioning unit Expired - Fee Related JP2885470B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2090784A JP2885470B2 (en) 1990-04-05 1990-04-05 Air conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2090784A JP2885470B2 (en) 1990-04-05 1990-04-05 Air conditioning unit

Publications (2)

Publication Number Publication Date
JPH03291430A JPH03291430A (en) 1991-12-20
JP2885470B2 true JP2885470B2 (en) 1999-04-26

Family

ID=14008226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2090784A Expired - Fee Related JP2885470B2 (en) 1990-04-05 1990-04-05 Air conditioning unit

Country Status (1)

Country Link
JP (1) JP2885470B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101276380B1 (en) * 2013-04-26 2013-06-18 (주)써모텍 Air conditioning system of data center using heat pipe and method for controlling thereof
KR101292847B1 (en) * 2013-04-26 2013-08-02 (주)써모텍 Air conditioning system of data center using heat pipe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ300090B6 (en) * 2007-07-04 2009-01-28 Rybon@Jan Air-conditioning installation for building rooms
JP5541107B2 (en) * 2010-11-17 2014-07-09 富士通株式会社 Air conditioning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101276380B1 (en) * 2013-04-26 2013-06-18 (주)써모텍 Air conditioning system of data center using heat pipe and method for controlling thereof
KR101292847B1 (en) * 2013-04-26 2013-08-02 (주)써모텍 Air conditioning system of data center using heat pipe

Also Published As

Publication number Publication date
JPH03291430A (en) 1991-12-20

Similar Documents

Publication Publication Date Title
RU2125693C1 (en) Method of heat exchanger and device for realization of this method
US6338258B1 (en) Regenerative evaporative cooler
US5816070A (en) Enhanced lithium bromide absorption cycle water vapor recompression absorber
US8966924B2 (en) Pre-cooling chamber for a cooling tower
US8312640B2 (en) Cloth dryer
JP5416093B2 (en) Cooling system
US5921315A (en) Three-dimensional heat pipe
EP1365199B1 (en) Evaporator with mist eliminator
US4373346A (en) Precool/subcool system and condenser therefor
USRE39288E1 (en) Heat pump system and method for air-conditioning
US4941324A (en) Hybrid vapor-compression/liquid desiccant air conditioner
US7533716B2 (en) Heat exchanger and airflow therethrough
CA2629713C (en) Multi-stage hybrid evaporative cooling system
EP0386194B1 (en) A dehumidifier
US6321460B1 (en) Drying apparatus
US6216483B1 (en) Liquid desiccant air conditioner
US20010013226A1 (en) Liquid desiccant air conditioner
RU2162576C2 (en) Refrigerating unit of domestic compression refrigerator
US7340912B1 (en) High efficiency heating, ventilating and air conditioning system
US4171619A (en) Compressor assisted absorption refrigeration system
JP3049445B2 (en) Split type meandering heat pipe type heat exchange device, its manufacturing method and its use
US5113668A (en) Refrigeration system with evaporative subcooling
EP0843139A2 (en) Chiller with hybrid falling film evaporator
JP3414249B2 (en) Absorption refrigerator
KR0133007B1 (en) Heat exchanger of director indirect colosed circuit evaporation type wich is combined with heat exchanger type

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees