JPS61265463A - Method of operating absorption type heat pump - Google Patents
Method of operating absorption type heat pumpInfo
- Publication number
- JPS61265463A JPS61265463A JP10642185A JP10642185A JPS61265463A JP S61265463 A JPS61265463 A JP S61265463A JP 10642185 A JP10642185 A JP 10642185A JP 10642185 A JP10642185 A JP 10642185A JP S61265463 A JPS61265463 A JP S61265463A
- Authority
- JP
- Japan
- Prior art keywords
- condenser
- temperature generator
- absorber
- low temperature
- absorption liquid
- 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.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 3
- 239000007788 liquid Substances 0.000 claims description 33
- 239000006096 absorbing agent Substances 0.000 claims description 32
- IPLONMMJNGTUAI-UHFFFAOYSA-M lithium;bromide;hydrate Chemical compound [Li+].O.[Br-] IPLONMMJNGTUAI-UHFFFAOYSA-M 0.000 claims description 6
- UORWTECXOSFRAU-UHFFFAOYSA-M lithium chloride hydrobromide Chemical compound [Li+].[Cl-].Br UORWTECXOSFRAU-UHFFFAOYSA-M 0.000 claims 1
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 0.000 claims 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 11
- 239000013529 heat transfer fluid Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- NBWDHTGTENDUCI-UHFFFAOYSA-L [Br-].[Li+].[Cl-].[Zn+2] Chemical compound [Br-].[Li+].[Cl-].[Zn+2] NBWDHTGTENDUCI-UHFFFAOYSA-L 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- -1 lithium bromide-zinc chloride-water Chemical compound 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
零発用は、高温発生器、低温発生器兼凝縮器、ｓ１１蒸
器及び第１吸収器を、その順に熱媒体が循環されるよう
に接続し、前記高温発生器と第１吸収器を、第１吸収液
が循環されるように接続し、前記低温発生器兼凝縮器、
凝縮器、第２蒸発器及び第２吸収器を、その順に熱媒体
が循環されるように接続し、前記低温発生器兼凝縮器と
第２吸収器を、第２吸収液が循環されるように接続し、
室内用及び室外用熱交換器の一方を前記第１及び第２蒸
発器にかつ他方を前記第１及び第２吸収器と１ＲＪｌｉ
ｌ器に接続した吸収式ヒートポンプの運転方法に関する
。[Detailed description of the invention] [Industrial application field] For zero-heating, a high temperature generator, a low temperature generator/condenser, an S11 evaporator, and a first absorber are connected in that order so that the heat medium is circulated. the high temperature generator and the first absorber are connected so that the first absorption liquid is circulated, the low temperature generator and condenser;
The condenser, the second evaporator, and the second absorber are connected in this order so that the heat medium is circulated therein, and the low temperature generator/condenser and the second absorber are connected so that the second absorption liquid is circulated. connect to,
One of the indoor and outdoor heat exchangers is connected to the first and second evaporators, and the other is connected to the first and second absorbers.
This invention relates to a method of operating an absorption heat pump connected to a heat pump.
従来、第１＠、収液と第２吸収液は同種のものを使用し
１．一般には臭化リチウム−水系のもの又は臭化リチウ
ム□塩化亜鉛−水系のもののいずれか一方が使用されて
いた。Conventionally, the same type of liquid was used for the first @ collection liquid and the second absorption liquid.1. Generally, either a lithium bromide-water system or a lithium bromide □zinc chloride-water system was used.
しかし、臭化リチウム−水系のものを第１及び第２吸収
液に使用すると、冷房時に第１及び第２吸収器の両方を
水冷式の室外用熱交換器に接続しなければならず、室外
用熱交換器として設備費及び運転経費が高い水冷式で大
型のものが必要になり、改良の余地があった。However, if lithium bromide-water-based liquids are used as the first and second absorption liquids, both the first and second absorbers must be connected to a water-cooled outdoor heat exchanger during cooling. This required a large, water-cooled heat exchanger with high equipment and operating costs, and there was room for improvement.
さらに説明すると、臭化リチウムの晶析によるトラブル
を防止するためには、晶析温度が約−θ℃程度以上にな
るように、臭化リチウム水溶液の濃度をｔ 、Ｊ ｖｔ
＊程度以下に抑えなければならない。 他方、熱媒体が
水の場合、冷房時の蒸発器は温度が５〜７℃程度で蒸気
圧がｇ−程度になるから、吸収器の温度をｖ０℃程度に
維持して、ｇコｗｔ％程度の臭化リチウム水溶液の蒸気
圧を島ｉ程度に維持しなければならない。To explain further, in order to prevent troubles due to crystallization of lithium bromide, the concentration of the lithium bromide aqueous solution should be adjusted to t, J vt so that the crystallization temperature is approximately -θ°C or higher.
*Must be kept to below level. On the other hand, when the heat medium is water, the temperature of the evaporator during cooling is about 5 to 7°C, and the vapor pressure is about g-. Therefore, by maintaining the temperature of the absorber at about v0°C, g cow% The vapor pressure of the lithium bromide aqueous solution must be maintained at about the same level as the island i.
しかし、第１及び第２吸収器の両方をｇｏ℃程度に維持
するには水冷式で大型の室外用熱交換器を要するのであ
る。However, in order to maintain both the first and second absorbers at about 0.degree. C., a large, water-cooled outdoor heat exchanger is required.
また、臭化リチウム−塩化亜鉛□水系のものを第１及び
第２吸収液に使用すると、出力アップのために高温発生
器の温度を高くすると、第１吸収液の循環系での腐食が
生じやすくなり、性能向上と耐久性向上を両立できず、
改良の余地があった。In addition, if a lithium bromide-zinc chloride water system is used for the first and second absorption liquids, if the temperature of the high temperature generator is raised to increase output, corrosion will occur in the circulation system of the first absorption liquid. This makes it difficult to achieve both improved performance and durability.
There was room for improvement.
本発明の目的は、室外用熱交換器の設備費及び運転経費
をできるだけ節減できるようにし、かつ、性能面及び耐
久性の両立を図った運転を行えるようにする点にある。An object of the present invention is to reduce the equipment cost and operating cost of an outdoor heat exchanger as much as possible, and to enable operation that achieves both performance and durability.
本発明の特徴手段は、高温発生器と第１吸収器にわたっ
て循環される第１吸収液として臭化リチウム−水系のも
のを使用し、低温発生器兼凝縮器と第２吸収器にわたっ
て循環される第２吸収液として臭化リチウム−塩化亜鉛
−水系のものを使用することにあり、その作用効果は次
の通りである。The characteristic means of the present invention is to use a lithium bromide-water system as the first absorption liquid which is circulated through the high temperature generator and the first absorber, and which is circulated through the low temperature generator/condenser and the second absorber. A lithium bromide-zinc chloride-water system is used as the second absorption liquid, and its effects are as follows.
つまり、高温発生器をかなり高温にしてヒートポンプの
出力を向上しても、高温発生器に対して臭化リチウム−
水系の第１吸収液を使用しているから、高温発生器と第
１吸収器にわたる第１ｉ収液循環系の腐食が生じない。In other words, even if the output of the heat pump is improved by increasing the high temperature generator to a considerably high temperature, the lithium bromide
Since the aqueous first absorbing liquid is used, corrosion of the first liquid collecting circulation system extending between the high temperature generator and the first absorber does not occur.
また、高温発生器が高温でも低温発生器兼凝Ｎ器は比較
的低温になり、低温発生器兼凝ｍ器に対して臭化リチウ
ム−塩化亜鉛□水系の第２吸収液を使用しても、低温発
生器兼凝縮器と第２吸収器にわたる第２吸収液循環系の
腐食を生じず、むしろ、第２吸収液を晶析しない状態で
高濃度にすることによって、第２吸収器の温度を臭化リ
チウム−水系の第２吸収液の場合よりも十分に高くでき
、冷房時に第２吸収器に接続される室外用熱交換器を空
冷化したり、水冷式でも小型化することができる利点が
ある。In addition, even if the high temperature generator is high, the low temperature generator/condenser is relatively low temperature, and even if a lithium bromide-zinc chloride water-based second absorption liquid is used for the low temperature generator/condenser, , the temperature of the second absorber is reduced by not causing corrosion of the second absorbent circulation system that spans the low temperature generator/condenser and the second absorber, but rather by making the second absorbent liquid highly concentrated without crystallizing. This has the advantage that the temperature can be sufficiently higher than that of a lithium bromide-water-based second absorption liquid, and that the outdoor heat exchanger connected to the second absorber during cooling can be air-cooled or even water-cooled and miniaturized. There is.
その効果、室外用熱交換器のうち第２吸収器に対する部
分を、簡単かつ安価な空冷式にしたり、又は、水冷式で
あっても小型化で安価にすることができ、その上、高温
発生器の高温化による出力向上を、そのために腐食を生
じやすくなるといった不都合を伴うこと無く達成でき、
全体として、吸収式ヒートポンプの運転を経済的に有利
にかつ高出力でさらに耐久性に優れた状慇で行えるよう
：てなった。As a result, the part of the outdoor heat exchanger for the second absorber can be easily and inexpensively air-cooled, or even if it is a water-cooled type, it can be made smaller and cheaper, and it also generates high temperatures. It is possible to increase the output by increasing the temperature of the device without the inconvenience of being prone to corrosion.
Overall, it has become possible to operate absorption heat pumps in an economically advantageous, high-output, and more durable manner.
次に実施例を示す。 Next, examples will be shown.
先ず、使用する吸収式ヒートポンプを図面に基いて説明
する。First, the absorption heat pump used will be explained based on the drawings.
高温発生器（１）、低温発生器兼凝縮器（２）、第１蒸
発器（３）及び第１［収器（４）を、その順に水等の熱
媒体を流す流路（５ａ）、（５ｂ）、（５ｃ）で接続し
、高温発生器（１）と第１吸収器（４）を、臭化リチウ
ム−水系の第１吸収液を循環させる流路（６ａ）、（８
ｂ）で接続し、第１吸収液を加熱して熱媒体を気化させ
る那熱流体用管路（７）を高温発生器（１）に付設し、
第１吸収器（４）に送られる第１吸収液によって高温発
生器＋１）に送られる第１吸収液を加熱する熱交換器（
８）を設けである。A high temperature generator (1), a low temperature generator/condenser (2), a first evaporator (3) and a first collector (4), a flow path (5a) through which a heat medium such as water flows in that order; (5b) and (5c), and flow paths (6a) and (8) for circulating the lithium bromide-water-based first absorption liquid between the high temperature generator (1) and the first absorber (4).
b) is attached to the high temperature generator (1), and is connected to the high temperature generator (1) with a thermal fluid pipe (7) that heats the first absorption liquid and vaporizes the heat medium;
A heat exchanger (
8) is provided.
低温発生器兼凝縮器（２）、凝縮ｍ（９）、第２蒸発器
（１０）及び第２吸収器（ｌｌ）を、その順に水等の熱
媒体を流す流路（Ｉｇａ）、（Ｉｇｂ）、（］Ｊｃ）で
接続し、低温発生器兼凝縮器（２）と第２吸収器（１す
含臭化すチクム□塩化亜鉛□水系の第２吸収液を循環さ
せる流路（１Ｂ＠）、（１８ｂ）で接続し、第２吸収器
（１１）に送られる第２吸収液によって低温発生器兼凝
Ｎ器（２）に送られる第２吸収液を加熱する熱交換器−
を設けである。A flow path (Iga), (Igb) through which a heat medium such as water flows through the low temperature generator/condenser (2), condenser m (9), second evaporator (10), and second absorber (ll) in that order. ), (]Jc), and the low temperature generator/condenser (2) and the second absorber (1B) are connected to the low temperature generator/condenser (2) and the second absorber (1B@) that circulates the odorized chikum □zinc chloride □ water-based second absorption liquid. , (18b), and heats the second absorption liquid sent to the low temperature generator/condenser (2) by the second absorption liquid sent to the second absorber (11).
This is provided.
室内用熱交換器０５１と室外用熱交換器（１８）を、流
路切換弁（１７ａ ） 、 （１７ｂ ）の作用によっ
て、％１及び５８２蒸発器（３） 、 （ｌｏ）に一方
が、かつ、９Ｆ５１及びｖＪ２吸収器（４）、 （ｉｉ
）と凝縮器（９）とに他方が接続されるように設けであ
る。The indoor heat exchanger 051 and the outdoor heat exchanger (18) are connected to the %1 and 582 evaporators (3) and (lo) by the action of the flow path switching valves (17a) and (17b), and , 9F51 and vJ2 absorber (4), (ii
) and the other is connected to the condenser (9).
次に第１図によシ冷房運転を説明する。Next, the cooling operation will be explained with reference to FIG.
（イ） 高温発生器（１１からの気化熱媒体を低温発生
器兼凝縮器（２）で液化し、かつ、低温発生器兼凝縮器
（２）での第２吸収液の加熱で熱媒体を気化させる。(b) The vaporized heat medium from the high temperature generator (11) is liquefied in the low temperature generator/condenser (2), and the heat medium is heated by heating the second absorption liquid in the low temperature generator/condenser (2). vaporize.
（ロ） 低温発生器兼凝縮器（２）からの液化熱媒体を
、第１蒸発器（３）において室外用熱交換器殉からの熱
運搬流体による加熱で気化させる。(b) The liquefied heat transfer medium from the low temperature generator/condenser (2) is vaporized in the first evaporator (3) by heating with the heat transfer fluid from the outdoor heat exchanger.
（ハ）第１蒸発器（３）からの気化熱媒体を、第１吸収
器（４）において第１吸収液に吸収させ、吸収熱を熱運
搬流体の作用で室外用熱交換器用から放出する。(c) The vaporized heat medium from the first evaporator (3) is absorbed by the first absorption liquid in the first absorber (4), and the absorbed heat is released from the outdoor heat exchanger by the action of the heat transfer fluid. .
（ニ）低温発生器兼凝縮器（２）からの気化熱媒体を、
凝縮器（９）で戒化し、凝Ｍ熱を熱運搬流体の作用で室
外用熱交換器（ｌ輸から放出する。(d) The vaporized heat medium from the low temperature generator/condenser (2),
The condensed heat is condensed in a condenser (9) and released from an outdoor heat exchanger (1) by the action of a heat transfer fluid.
（ネ）凝縮器（９）からの液化熱媒体を、第２蒸発器（
１０）において室内用熱交換器θ５）からの熱運搬流体
による加熱で気化させる。(f) Transfer the liquefied heat medium from the condenser (9) to the second evaporator (
In step 10), it is vaporized by heating with the heat transfer fluid from the indoor heat exchanger θ5).
（へ） ＠２２蒸器叫からの気化熱媒体を、第２吸収
器（ｌｌ）において第２吸収液に吸収させ、吸収熱を熱
運搬流体の作用で室外用熱交換器Ｃ１６１から放出する
。(F) @22 The vaporized heat medium from the steamer is absorbed by the second absorption liquid in the second absorber (ll), and the absorbed heat is released from the outdoor heat exchanger C161 by the action of the heat transfer fluid.
次に、第２図によシ暖房運転を説明する。Next, the heating operation will be explained with reference to FIG.
（イ）高温発生器（１）からの気化熱媒体を低温発生器
兼凝縮器（２）で液化し、かつ、低温発生器兼凝縮器（
２）での第２吸収液の加熱で熱媒体を気化させる。(b) The vaporized heat medium from the high temperature generator (1) is liquefied in the low temperature generator/condenser (2), and the low temperature generator/condenser (
The heating medium is vaporized by heating the second absorption liquid in step 2).
（ロ） 低温発生器豊泉Ｎ器（２）からの液化熱媒体を
、第１蒸発器（３）において室外用熱交換＠霞からの熱
運搬流体による加熱で気化させる。(b) The liquefied heat medium from the low temperature generator Toyoizumi N unit (2) is vaporized in the first evaporator (3) by heating with the heat transfer fluid from the outdoor heat exchanger @Kasumi.
し）） 第ｌ蒸発器（３）からの気化熱媒体を、第１吸
収器（４）において第１吸収液に吸収させ、吸収熱を熱
運搬流体の作用で室内用熱交換器−から室内に付与する
。)) The vaporized heat medium from the first evaporator (3) is absorbed by the first absorption liquid in the first absorber (4), and the absorbed heat is transferred from the indoor heat exchanger to the indoor room by the action of the heat transfer fluid. granted to.
仁） 低温発生器兼凝縮器（２）からの気化熱媒体を、
凝ｍ器（９）で液化し、凝縮熱を熱運搬流体の作用で室
内用熱交換器（１５）から室内に付与する。) The vaporized heat medium from the low temperature generator and condenser (2) is
It is liquefied in a condenser (9), and the heat of condensation is transferred indoors through an indoor heat exchanger (15) by the action of a heat transfer fluid.
（ホ） 凝縮器（９）からの液化熱媒体を、第２蒸発器
（１０）において室外用熱交換器θＱからの熱運搬流体
による加熱で気化させる。(e) The liquefied heat medium from the condenser (9) is vaporized in the second evaporator (10) by heating with the heat transfer fluid from the outdoor heat exchanger θQ.
（へ） 第２蒸発器（１０）からの気化熱媒体を、第２
吸収器（１１）において第２吸収液に吸収させ、吸収熱
を熱運搬流体の作用で室内用熱交換器０６）から室内に
付与する。(to) The vaporized heat medium from the second evaporator (10) is transferred to the second evaporator (10).
The second absorption liquid absorbs the heat in the absorber (11), and the absorbed heat is transferred into the room from the indoor heat exchanger 06) by the action of the heat transfer fluid.
次に別の実施例を説明する。 Next, another embodiment will be described.
高温発生器＋１１を加熱するに、各種の燃焼器や流体熱
源、その他の加熱手段を利用できる。Various combustors, fluid heat sources, and other heating means can be used to heat the high temperature generator +11.
第１吸収液における臭化リチウムの濃度、並びに、第２
吸収液における臭化リチ、りＡや塩化亜鉛の濃度は、状
況に応じて適当に設定すればよい。The concentration of lithium bromide in the first absorption liquid and the second
The concentrations of lithium bromide, lithium bromide, and zinc chloride in the absorption liquid may be appropriately set depending on the situation.
図面は本発明に使用するヒートポンプを例示する７０−
シートであシ、第１図は冷房状態を示し、第２図は暖房
状ｍを示す。
（１）・・・・・・高温発生器、（２）・・・・・・低
温発生器兼凝縮器、（３）・・・・・・第１蒸発器、（
４）・・・・・・第ｌ吸収器、（９）・・・・・−＊、
ｗ器、（１０）・・・・・・第２蒸発器、（１υ・・・
・・・第２吸収器、に）・・・・・・室内用熱交換器、
四・・・・・・室外用熱交換器。The drawing shows a heat pump 70-
When the seat is closed, FIG. 1 shows the cooling state, and FIG. 2 shows the heating state. (1)...High temperature generator, (2)...Low temperature generator and condenser, (3)...First evaporator, (
4)...Lth absorber, (9)...--*,
W device, (10)...Second evaporator, (1υ...
...second absorber,) ...indoor heat exchanger,
4. Outdoor heat exchanger.
Claims (1)
蒸発器（３）及び第１吸収器（４）を、その順に熱媒体
が循環されるように接続し、前記高温発生器（１）と第
１吸収器（４）を、第１吸収液が循環されるように接続
し、前記低温発生器兼凝縮器（２）、凝縮器（９）、第
２蒸発器（１０）及び第２吸収器（１１）を、その順に
熱媒体が循環されるように接続し、前記低温発生器兼凝
縮器（２）と第２吸収器（１１）を、第２吸収液が循環
されるように接続し、室内用及び室外用熱交換器（１５
），（１６）の一方を前記第１及び第２蒸発器（３），
（１０）にかつ他方を前記第１及び第２吸収器（４），
（１１）と凝縮器（９）に接続した吸収式ヒートポンプ
の運転方法であつて、前記第１吸収液として臭化リチウ
ム−水系のものを使用し、前記第２吸収液として臭化リ
チウム−塩化亜鉛−水系のものを使用する吸収式ヒート
ポンプの運転方法。High temperature generator (1), low temperature generator/condenser (2), 1st
The evaporator (3) and the first absorber (4) are connected so that the heat medium is circulated in that order, and the high temperature generator (1) and the first absorber (4) are connected to each other so that the first absorption liquid The heat medium is connected to be circulated through the low temperature generator and condenser (2), the condenser (9), the second evaporator (10) and the second absorber (11) in that order. The low temperature generator/condenser (2) and the second absorber (11) are connected so that the second absorption liquid is circulated, and the indoor and outdoor heat exchangers (15
), (16) to the first and second evaporators (3),
(10) and the other is the first and second absorber (4),
(11) and a method for operating an absorption heat pump connected to a condenser (9), wherein a lithium bromide-water system is used as the first absorption liquid, and a lithium bromide-chloride system is used as the second absorption liquid. How to operate an absorption heat pump that uses a zinc-water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10642185A JPS61265463A (en) | 1985-05-17 | 1985-05-17 | Method of operating absorption type heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10642185A JPS61265463A (en) | 1985-05-17 | 1985-05-17 | Method of operating absorption type heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61265463A true JPS61265463A (en) | 1986-11-25 |
Family
ID=14433196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10642185A Pending JPS61265463A (en) | 1985-05-17 | 1985-05-17 | Method of operating absorption type heat pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61265463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012510042A (en) * | 2008-11-26 | 2012-04-26 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Absorption cycle system with double absorption circuit |
-
1985
- 1985-05-17 JP JP10642185A patent/JPS61265463A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012510042A (en) * | 2008-11-26 | 2012-04-26 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Absorption cycle system with double absorption circuit |
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