JPS6146755B2 - - Google Patents
Info
- Publication number
- JPS6146755B2 JPS6146755B2 JP57095331A JP9533182A JPS6146755B2 JP S6146755 B2 JPS6146755 B2 JP S6146755B2 JP 57095331 A JP57095331 A JP 57095331A JP 9533182 A JP9533182 A JP 9533182A JP S6146755 B2 JPS6146755 B2 JP S6146755B2
- Authority
- JP
- Japan
- Prior art keywords
- heat storage
- heat
- storage material
- water
- substance
- 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
Links
- 238000005338 heat storage Methods 0.000 claims description 90
- 239000011232 storage material Substances 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000000126 substance Substances 0.000 claims description 17
- 239000000155 melt Substances 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 7
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 235000017281 sodium acetate Nutrition 0.000 description 4
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229940087562 sodium acetate trihydrate Drugs 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229940040526 anhydrous sodium acetate Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
- F24H7/0433—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer medium being water
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Central Heating Systems (AREA)
Description
【発明の詳細な説明】
本発明は深夜電力や太陽エネルギー等を貯え給
湯・冷暖房などに用いる潜熱形蓄熱材を用いた蓄
熱装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat storage device using a latent heat storage material that stores late-night power, solar energy, etc. and is used for hot water supply, air conditioning, and the like.
従来、潜熱形蓄熱材を用いた蓄熱装置におい
て、その熱交換を迅速に行なうため、蓄熱材を伝
熱媒体と共に封入し、伝熱媒体が蓄熱材より熱を
奪いその熱を気相の熱交換器で熱交換を行なうこ
とが行なわれていた。すなわち、第１図におい
て、蓄熱装置１の容器２に蓄熱材３と蓄熱材の溶
融状態における密度より大きい密度を有し、熱吸
収時に液体から気体に、熱放出時に気体から液体
に相変化する伝熱媒体４とを熱交換を行なうため
の空間部５を残して封入する。さらに、前記蓄熱
装置１には熱を加えるための加熱装置６と熱を取
り出すための熱交換器７が設けられている。 Conventionally, in a heat storage device using a latent heat type heat storage material, in order to quickly exchange heat, the heat storage material is sealed together with a heat transfer medium, and the heat transfer medium absorbs heat from the heat storage material and transfers that heat through gas phase heat exchange. Heat exchange was performed using a container. That is, in FIG. 1, the heat storage material 3 in the container 2 of the heat storage device 1 has a density greater than the density in the molten state of the heat storage material, and the phase changes from liquid to gas when heat is absorbed, and from gas to liquid when heat is released. The heat transfer medium 4 is sealed leaving a space 5 for heat exchange. Furthermore, the heat storage device 1 is provided with a heating device 6 for adding heat and a heat exchanger 7 for taking out heat.
通常、容器２の外周は熱放散を防ぐため断熱材
で覆われているが図では省略されている。 Usually, the outer periphery of the container 2 is covered with a heat insulating material to prevent heat dissipation, but this is not shown in the figure.
蓄熱状態において熱交換器７に低温水を導入す
ると、空間部５を占めている作動液の蒸気が熱交
換器にその潜熱を与え凝縮液化する。そのため、
空間部の蒸気圧が低下し、新たに作動液４が蓄熱
材３から熱を奪い蒸発し気泡８となつて蓄熱材充
填部を上昇し気圧の低下を補う。一方、凝縮した
作動液４はその密度が蓄熱材の密度より高いた
め、蓄熱材３中を沈降する。この蒸発−凝縮のサ
イクルにより蓄熱材３中に自己撹拌が生じ熱をさ
らに有効に取り出すことができる。この方法で安
定した熱交換を行なうには前記蒸発−凝縮のサイ
クルが安定に行なわれる必要がある。しかるに前
記従来の蓄熱装置においては、蓄熱も溶融時に蓄
熱材上部に第２図に示すように不溶性の物質材が
浮遊し、気泡の蒸発を阻害する。また、放熱時、
潜熱を放出した蓄熱材は微細な結晶となる。これ
は溶融蓄熱材より密度が大きいため一部は沈降す
るが、他の一部は前記撹拌作用により溶融蓄熱材
と混合する。これにより溶融蓄熱材層の見かけ上
の粘度が高くなり撹拌作用が阻害されると共に前
記気泡が蓄熱材中を上昇し気相に達するのが阻害
された。したがつて、従来の蓄熱装置においては
再現性が悪く、一定温度の出湯を得難たかつた。 When low-temperature water is introduced into the heat exchanger 7 in the heat storage state, the steam of the working fluid occupying the space 5 imparts its latent heat to the heat exchanger and is condensed and liquefied. Therefore,
The vapor pressure in the space decreases, and the working fluid 4 newly removes heat from the heat storage material 3 and evaporates, forming bubbles 8 and rising through the heat storage material filled portion to compensate for the drop in air pressure. On the other hand, since the condensed working fluid 4 has a higher density than the heat storage material, it settles in the heat storage material 3. This evaporation-condensation cycle causes self-agitation in the heat storage material 3, allowing heat to be extracted more effectively. In order to perform stable heat exchange with this method, it is necessary that the evaporation-condensation cycle be performed stably. However, in the conventional heat storage device, when the heat storage material melts, an insoluble substance floats on top of the heat storage material as shown in FIG. 2, which inhibits the evaporation of air bubbles. Also, when dissipating heat,
The heat storage material that releases latent heat becomes fine crystals. Since this has a higher density than the molten heat storage material, part of it settles, but the other part mixes with the molten heat storage material by the stirring action. This increased the apparent viscosity of the molten heat storage material layer, inhibiting the stirring action and preventing the bubbles from rising through the heat storage material and reaching the gas phase. Therefore, conventional heat storage devices have poor reproducibility, making it difficult to obtain hot water at a constant temperature.
本発明は上記問題点を解決し熱交換を迅速かつ
効率よく行うことができる蓄熱装置を提供するこ
とを目的としている。 SUMMARY OF THE INVENTION An object of the present invention is to provide a heat storage device that can solve the above problems and perform heat exchange quickly and efficiently.
本発明は潜熱形蓄熱材とその融点近傍における
融液の密度より大きい密度を有し、かつ、熱吸収
時に液体から気体に熱放出時に気体から液体に相
変化する伝熱媒体と前記蓄熱材と相溶性を有する
物質とを空間部を残して蓄熱容器に封入した構成
よりなつている。本発明においては二つの構成が
存ずる。第一の構成は蓄熱材と相溶性を有する物
質の量を蓄熱材の重量比で３％以下加えることで
ある。これにより、蓄熱時、蓄熱材上部に生ずる
不溶性の蓄熱材浮遊物が溶解するため、気液界面
は融液のみとなり気泡は容易に空間部に飛散して
いく。第二の構成は蓄熱材と相容性を有する物質
の量を蓄熱材の重量比で３〜20％加えることであ
る。これにより、蓄熱時、蓄熱材上部に生ずる不
溶性の蓄熱材浮遊物が溶解すると共に放熱時、蓄
熱材融液の粘度増大が少なく、気泡を容易に上昇
せしめることができるため、一定の温度の出湯を
得ることができる。 The present invention provides a latent heat type heat storage material, a heat transfer medium which has a density greater than the density of the melt near its melting point and whose phase changes from liquid to gas when absorbing heat and from gas to liquid when releasing heat, and the heat storage material. It has a structure in which a compatible substance is sealed in a heat storage container leaving a space. There are two configurations in the present invention. The first configuration is to add a substance that is compatible with the heat storage material in an amount of 3% or less by weight of the heat storage material. As a result, during heat storage, insoluble floating materials of the heat storage material that are generated on the top of the heat storage material are dissolved, so that the gas-liquid interface becomes only the melt, and air bubbles easily scatter into the space. The second configuration is to add a substance compatible with the heat storage material in an amount of 3 to 20% by weight of the heat storage material. As a result, during heat storage, insoluble heat storage material floating matter that occurs on the top of the heat storage material is dissolved, and during heat dissipation, there is little increase in the viscosity of the heat storage material melt, and bubbles can be easily raised, so hot water can be discharged at a constant temperature. can be obtained.
以下、本発明の一実施例を第３図で説明する。
第１の構成の説明を行う１は蓄熱装置である。蓄
熱容器２に蓄熱材例えば酢酸ナトリウム３水塩に
蓄熱材と相溶性のある物質例えば水を加えた蓄熱
材組成物３１を充填し、さらに前記蓄熱材の融点
近傍における融液の密度より大きい密度を有し、
熱吸収時に液体から気体に、熱放出時に気体に相
変化する伝熱媒体４例えばトリクロロトリフルオ
ロエタンフロン１１３を空間部５を残して封入す
る。さらに蓄熱容器２には加熱装置６と熱を取り
出すための熱交換器７が設けられている。前記の
場合、化学量論以上の水分が含まれているため、
蓄熱時に酢酸ナトリウム３水塩は、無水酢酸ナト
リウムのような不溶性の物質が蓄熱容器内の気液
界面（第２図９相当）に生ずることがない。した
がつて熱交換器７に低温水を導入するとフロン１
１３は熱交換器７で潜熱を放出し凝縮する。これ
により空間部５の蒸気圧は低下するが、これは蓄
熱材中にあるフロン１１３の蒸発により補なわれ
る。この場合前述したごとく、気液界面に不溶性
物質が存在しないため、蒸発−凝縮サイクルは順
調に行なわれる。また、前記蒸発−凝縮サイクル
をさまたげるものもないため再現性の良いものと
なる。前述した不溶性の物質が生じないようにす
るには前述のごとく蓄熱材と相溶性のある物質を
加えればよく、その量は通常蓄熱材の重量に比し
１〜２重量パーセントでよく、３重量パーセント
加えれば充分である。 An embodiment of the present invention will be described below with reference to FIG.
Reference numeral 1 in the description of the first configuration is a heat storage device. The heat storage container 2 is filled with a heat storage material composition 31 made of a heat storage material such as sodium acetate trihydrate and a substance compatible with the heat storage material, such as water, and further has a density greater than the density of the melt near the melting point of the heat storage material. has
A heat transfer medium 4, such as trichlorotrifluoroethane fluorocarbon 113, which changes phase from liquid to gas when heat is absorbed and to gas when heat is released, is sealed leaving a space 5. Furthermore, the heat storage container 2 is provided with a heating device 6 and a heat exchanger 7 for extracting heat. In the above case, since the water content is greater than the stoichiometric amount,
During heat storage, sodium acetate trihydrate does not cause insoluble substances such as anhydrous sodium acetate to form at the gas-liquid interface (corresponding to FIG. 2, 9) in the heat storage container. Therefore, when low temperature water is introduced into the heat exchanger 7, Freon 1
13 is a heat exchanger 7 which releases latent heat and condenses it. As a result, the vapor pressure in the space 5 decreases, but this is compensated for by the evaporation of the freon 113 in the heat storage material. In this case, as described above, since no insoluble substances exist at the gas-liquid interface, the evaporation-condensation cycle is carried out smoothly. Furthermore, since there is nothing that disturbs the evaporation-condensation cycle, the reproducibility is good. In order to prevent the formation of the above-mentioned insoluble substances, it is sufficient to add a substance that is compatible with the heat storage material as described above, and the amount thereof is usually 1 to 2% by weight compared to the weight of the heat storage material, and 3% by weight. Adding a percentage is sufficient.
第２の構成について説明する。第２の構成は第
１の構成とほゞ同じであり、蓄熱材組成物中の蓄
熱材と相溶性のある物質例えば水の量が異なるだ
けである。すなわち第２の構成においては蓄熱材
重量に対して３〜20重量パーセントの水を加えた
ことを特徴としている。これにより、蓄熱容器の
気液境界に不溶性物質が生じないようにすると共
に、出湯時（放熱時）蓄熱材の粘度上昇を防ぎ、
効率よく熱を取り出すことができる。 The second configuration will be explained. The second configuration is substantially the same as the first configuration, and differs only in the amount of a substance compatible with the heat storage material, such as water, in the heat storage material composition. That is, the second configuration is characterized in that 3 to 20 weight percent of water is added to the weight of the heat storage material. This prevents insoluble substances from forming at the gas-liquid boundary of the heat storage container, and also prevents the viscosity of the heat storage material from increasing when hot water is tapped (during heat dissipation).
Heat can be extracted efficiently.
放熱時、蓄熱材溶液は伝熱媒体に熱エネルギー
を与え固定していく。この場合、前述のごとく蓄
熱材は伝熱媒体によりはげしく撹拌されているた
め、固化した蓄熱材は微結晶となり蓄熱材融液中
に一部混合され、蓄熱材融液の粘度を増大する。
しかし、本発明においては実使用時非凝固性の水
が含まれているため粘度増大を防ぐことができ
る。さらに固化した蓄熱材の一部は蓄熱容器の下
部に沈降していく。したがつて蓄熱材溶液は蓄熱
容器の上部にたまつてくると共に容器内の水量は
一定であるため、前記溶液中に含まれる水の割合
は増大することになり、これは溶液の粘度の増大
を紡ぐことになる。このため、蓄熱材溶液中に発
生した伝熱媒体の気泡８は容易に溶液中を上昇し
気相部へ飛散していくことができる。第４図は本
発明の効果を示す一例である。実質容量100の
蓄熱容器に酢酸ナトリウム３水塩とフロン１１３
を混入し水の封入量を変え60℃で蓄熱し、15℃の
冷水を熱交換器７に導入した場合、50℃以上の出
湯がどの位置得られるかを示したものである。第
４図より水量が３％以下の時の出湯量はほとんど
変わらない。これはこの程度の水量では粘度増大
阻止の効果がほとんどないためである。また、水
量が20重量パーセントを越えるとやはり50℃以上
の出湯量が少なくなる。これは、蓄熱容器に占め
る顕熱の割合（水量）が多くなり、蓄熱密度が低
下するからである。したがつて、水量としては実
用的には３〜20重量パーセントが好ましい。 During heat dissipation, the heat storage material solution imparts thermal energy to the heat transfer medium and fixes it. In this case, since the heat storage material is vigorously stirred by the heat transfer medium as described above, the solidified heat storage material becomes microcrystals and is partially mixed into the heat storage material melt, increasing the viscosity of the heat storage material melt.
However, in the present invention, since water that is non-coagulable during actual use is contained, an increase in viscosity can be prevented. Furthermore, a part of the solidified heat storage material settles to the lower part of the heat storage container. Therefore, since the heat storage material solution accumulates at the top of the heat storage container and the amount of water in the container is constant, the proportion of water contained in the solution increases, which causes an increase in the viscosity of the solution. will be woven. Therefore, the bubbles 8 of the heat transfer medium generated in the heat storage material solution can easily rise in the solution and scatter into the gas phase. FIG. 4 is an example showing the effect of the present invention. Sodium acetate trihydrate and Freon 113 in a heat storage container with an actual capacity of 100
This figure shows where hot water of 50°C or higher can be obtained when cold water of 15°C is introduced into the heat exchanger 7, with heat stored at 60°C by varying the amount of water enclosed. From Figure 4, the amount of hot water that comes out when the water amount is 3% or less does not change much. This is because this amount of water has almost no effect on inhibiting viscosity increase. Furthermore, if the amount of water exceeds 20% by weight, the amount of hot water above 50°C will decrease. This is because the ratio of sensible heat (amount of water) occupying the heat storage container increases, and the heat storage density decreases. Therefore, the amount of water is practically preferably 3 to 20% by weight.
以上の説明では蓄熱材として酢酸ナトリウム３
水塩、蓄熱材相溶性物質として水、および伝熱媒
体としてフロン１１３を用いた場合を説明した
が、これに限定されるものではなく、前記物質と
同等の性質を有する他の物質でもよいのは勿論で
ある。また、前記説明においては熱交換器が空間
部（気相部）にある場合を説明したが、気液両相
に熱交換器が存しても同様の結果を得ることがで
きる。 In the above explanation, sodium acetate 3 is used as a heat storage material.
Although we have explained the case where water salt, water as a heat storage material compatible substance, and Freon 113 as a heat transfer medium are used, the present invention is not limited to this, and other substances having properties equivalent to the above substances may also be used. Of course. Further, in the above description, the case where the heat exchanger is located in the space part (gas phase part) has been described, but the same result can be obtained even if the heat exchanger is located in both the gas and liquid phases.
以上の説明でわかるごとく、本発明の蓄熱装置
を用いれば再現性のよい出湯特性が得られると共
に一定温度の出湯を効率よく得ることができる。 As can be seen from the above description, by using the heat storage device of the present invention, hot water discharge characteristics with good reproducibility can be obtained, and hot water at a constant temperature can be efficiently obtained.
第１図、第２図は従来の蓄熱装置の断面図、第
３図は本発明の蓄熱装置の断面図、第４図は蓄熱
容器含有水量と出湯特性との関係を示した図であ
る。
１……蓄熱装置、３……蓄熱材、４……伝熱媒
体、３１……蓄熱材組成物。
FIGS. 1 and 2 are cross-sectional views of a conventional heat storage device, FIG. 3 is a cross-sectional view of a heat storage device of the present invention, and FIG. 4 is a diagram showing the relationship between the amount of water contained in the heat storage container and the hot water output characteristics. 1... Heat storage device, 3... Heat storage material, 4... Heat transfer medium, 31... Heat storage material composition.
Claims (1)
る融液の密度より大きい密度を有する伝熱媒体と
前記蓄熱材と相溶性を有する物質とを空間部を残
して蓄熱容器に密封した蓄熱装置。 ２ 前記蓄熱材と相溶性を有する物質が水であり
前記蓄熱材に対する重量比が３％以下である特許
請求の範囲第１項記載の蓄熱装置。 ３ 前記蓄熱材と相溶性を有する物質が水であ
り、前記蓄熱材に対する重量比が３〜20％である
特許請求の範囲第１項記載の蓄熱装置。[Scope of Claims] 1 A latent heat type heat storage material, a heat transfer medium having a density higher than the density of the melt near the melting point of the heat storage material, and a substance having compatibility with the heat storage material are placed in a heat storage container leaving a space. A sealed heat storage device. 2. The heat storage device according to claim 1, wherein the substance having compatibility with the heat storage material is water, and the weight ratio to the heat storage material is 3% or less. 3. The heat storage device according to claim 1, wherein the substance having compatibility with the heat storage material is water, and the weight ratio to the heat storage material is 3 to 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57095331A JPS58213190A (en) | 1982-06-02 | 1982-06-02 | Heat accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57095331A JPS58213190A (en) | 1982-06-02 | 1982-06-02 | Heat accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58213190A JPS58213190A (en) | 1983-12-12 |
| JPS6146755B2 true JPS6146755B2 (en) | 1986-10-15 |
Family
ID=14134733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57095331A Granted JPS58213190A (en) | 1982-06-02 | 1982-06-02 | Heat accumulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58213190A (en) |
-
1982
- 1982-06-02 JP JP57095331A patent/JPS58213190A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58213190A (en) | 1983-12-12 |
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