JP2698527B2 - Collective battery - Google Patents
Collective batteryInfo
- Publication number
- JP2698527B2 JP2698527B2 JP6865593A JP6865593A JP2698527B2 JP 2698527 B2 JP2698527 B2 JP 2698527B2 JP 6865593 A JP6865593 A JP 6865593A JP 6865593 A JP6865593 A JP 6865593A JP 2698527 B2 JP2698527 B2 JP 2698527B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- heat insulating
- insulating container
- circulating air
- air
- 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 - Lifetime
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
- 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
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ナトリウム−硫黄電池
等の高温２次電池を複数集合させてなる集合電池に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembled battery comprising a plurality of high-temperature secondary batteries such as a sodium-sulfur battery.
【０００２】[0002]
【従来の技術】ナトリウム−硫黄電池等の高温２次電池
は、２００〜４００℃の温度で作動するようになってい
るため、高温２次電池を断熱容器内に収容して、この断
熱容器内を上記温度に保つ必要がある。図３は従来の集
合電池の一例の構成を示す図である。図３に示す例にお
いて、３１は断熱容器、３２は断熱容器３１内に設けた
支持部材、３３は支持部材３２に固定した単電池集合
体、３４はファン３５から供給される空気を図中矢印で
示したように循環させる空気流通路、３６は単電池集合
体３３の下面と支持部材３２との間に形成される下側空
気流通路、３７は単電池集合体３３の開放された上面と
支持部材３２との間に形成される上側空気流通路、３８
は外部から冷却用の空気を導入するための空気導入口で
ある。2. Description of the Related Art Since a high-temperature secondary battery such as a sodium-sulfur battery is operated at a temperature of 200 to 400 ° C., the high-temperature secondary battery is housed in an insulated container, Must be maintained at the above temperature. FIG. 3 is a diagram showing a configuration of an example of a conventional assembled battery. In the example shown in FIG. 3, reference numeral 31 denotes a heat insulating container, 32 denotes a supporting member provided in the heat insulating container 31, 33 denotes a unit cell assembly fixed to the supporting member 32, and 34 denotes air supplied from a fan 35 in the figure. The air flow path circulated as shown by 36, 36 is a lower air flow path formed between the lower surface of the cell assembly 33 and the support member 32, and 37 is the open upper surface of the cell assembly 33. An upper air flow passage formed between the support member and the support member;
Is an air inlet for introducing cooling air from outside.
【０００３】上述した構成の集合電池では、空気をファ
ン３５を駆動させて空気流通路３４を介して単電池集合
体３３の下部および上部に設けた下側空気流通路３６お
よび上側空気流通路３７に供給し、さらに空気流通路３
４で集合させてファン３５に戻すことにより、所定温度
の空気を断熱容器３１内を循環させて断熱容器３１内の
温度を一定にして、集合電池の動作を保っている。In the assembled battery having the above-described structure, the air is driven by the fan 35 and the lower air flow passage 36 and the upper air flow passage 37 provided below and above the unit cell assembly 33 via the air flow passage 34. To the air passage 3
By assembling at 4 and returning to the fan 35, air at a predetermined temperature is circulated in the heat insulating container 31, the temperature inside the heat insulating container 31 is kept constant, and the operation of the collective battery is maintained.
【０００４】[0004]
【発明が解決しようとする課題】通常、ナトリウム−硫
黄電池等の高温２次電池では、単電池を放電させて外部
へ電力を供給する動作状態と、放電終了後単電池を充電
させたり動作を休止させたりする停止状態とが繰り返さ
れる。このうち、動作状態では、単電池が発熱するため
図示しないヒータをＯＦＦとするとともに、外部から空
気導入口３８を介して冷却用空気を導入して、断熱容器
３１内の温度を動作可能な一定の温度に保持している。
また、停止状態では、図示しないヒータをＯＮとして断
熱容器３１内の温度を保温して、次の放電動作がすぐに
行えるようにしている。Generally, in a high-temperature secondary battery such as a sodium-sulfur battery, an operation state in which a unit cell is discharged to supply electric power to the outside, and a unit cell is charged or operated after the discharge is completed. The stop state of pausing or the like is repeated. In the operating state, since the unit cell generates heat, a heater (not shown) is turned off, and cooling air is introduced from the outside via the air inlet 38 to keep the temperature inside the heat insulating container 31 operable. Temperature.
In the stopped state, a heater (not shown) is turned on to keep the temperature in the heat insulating container 31 warm so that the next discharging operation can be performed immediately.
【０００５】しかしながら、上述した従来の集合電池の
ように、外部から空気を導入して単電池集合体を冷却し
て単電池集合体３３の温度上昇を防止し、断熱容器３１
内の温度を一定の動作可能温度に保持しようとすると、
断熱容器３１内を循環する空気の量が変化し、断熱容器
31内の温度を一定にすることが難しく、集合電池を効率
的に動作させることができない問題があった。また、外
部から供給される空気が水分を含んでいるため、断熱容
器３１内に水分が入り、やはり断熱容器３１内の温度を
一定にすることが難しく、集合電池を効率的に動作させ
ることができない問題があった。However, as in the above-described conventional battery pack, air is introduced from the outside to cool the battery pack to prevent the temperature of the battery pack 33 from rising, and the heat insulating container 31
If you try to maintain the temperature inside the
The amount of air circulating in the insulated container 31 changes,
There is a problem that it is difficult to keep the temperature inside the battery 31 constant, and the collective battery cannot be operated efficiently. Further, since the air supplied from the outside contains moisture, moisture enters the heat insulating container 31 and it is also difficult to keep the temperature inside the heat insulating container 31 constant, so that the collective battery can be operated efficiently. There was a problem that could not be done.
【０００６】本発明の目的は上述した課題を解消して、
炉内の温度を均一にすることができる集合電池を提供し
ようとするものである。An object of the present invention is to solve the above-mentioned problems,
An object of the present invention is to provide an assembled battery capable of making the temperature in a furnace uniform.
【０００７】[0007]
【課題を解決するための手段】本発明の集合電池は、断
熱容器と、この断熱容器内に配設した単電池集合体と、
断熱容器内に空気を循環させるための循環空気流通手段
とからなる集合電池において、前記循環空気流通手段
に、過熱時に循環空気を冷却させて単電池集合体を冷却
するための冷却手段を設け、この冷却手段が、断熱容器
内に設けた冷却室と、この冷却室の開閉を行うためのプ
ラグ状の蓋部と、この蓋部の開閉動作を行う駆動装置
と、一端を冷却室内に臨ませるとともに他端を断熱容器
の外部に臨ませた冷却用のフィンとから構成されるか、
または、この冷却手段が、断熱容器内に設けたバイパス
部入口とバイパス部出口との間に設けたバイパス部と、
このバイパス部に設けた冷却室と、一端を冷却室内へ他
端を外部へ臨ませた冷却用フィンと、循環空気をバイパ
ス部へ供給するための空気流通路の開閉部と、この開閉
部を駆動するための駆動装置とから構成されることを特
徴とするものである。According to the present invention, there is provided an assembled battery comprising: a heat insulating container; a unit cell assembly disposed in the heat insulating container;
In a collective battery comprising circulating air circulating means for circulating air in the heat insulating container, the circulating air circulating means is provided with cooling means for cooling the circulating air at the time of overheating to cool the unit cell assembly, The cooling means has a cooling chamber provided in the heat insulating container, a plug-shaped lid for opening and closing the cooling chamber, a driving device for opening and closing the lid, and one end facing the cooling chamber. Or a cooling fin with the other end facing the outside of the heat insulating container,
Or, this cooling means, a bypass portion provided between the bypass portion inlet and the bypass portion outlet provided in the heat insulating container,
A cooling chamber provided in the bypass portion, a cooling fin having one end facing the cooling chamber and the other end facing the outside, an opening / closing portion of an air flow passage for supplying circulating air to the bypass portion, and the opening / closing portion. And a driving device for driving.
【０００８】[0008]
【作用】上述した構成において、循環空気流通手段中
に、過熱時に循環空気を冷却するための冷却手段によ
り、通常の温度においてはこの冷却手段を使用せず、過
熱時にのみこの冷却手段を作用させて、循環空気の温度
をコントロールできる。そのため、外部から空気を導入
することなく温度コントロールを実施でき、外部から冷
却空気を断熱容器内に導入する場合と比較して、空気量
も変化せず水分の混入もないため、断熱容器内の温度を
一定にすることができ、さらに内部の状態（湿度等）を
一定に保つことができ、集合電池を効率的に動作させる
ことができる。In the above construction, the cooling means for cooling the circulating air at the time of overheating in the circulating air circulating means does not use the cooling means at a normal temperature, but operates the cooling means only at the time of overheating. Thus, the temperature of the circulating air can be controlled. Therefore, temperature control can be performed without introducing air from the outside, and compared to the case where cooling air is introduced from the outside into the insulated container, the amount of air does not change and there is no mixing of moisture. The temperature can be kept constant, the internal state (humidity, etc.) can be kept constant, and the battery pack can be operated efficiently.
【０００９】[0009]
【実施例】図１は本発明の集合電池の一例の構成を説明
するための図である。図１に示す例において、１は断熱
容器、２は断熱容器１内に設けた支持部材、３は支持部
材２に固定した単電池集合体、４はファン５から供給さ
れる空気を図中矢印で示したように循環させる空気流通
路、６は単電池集合体３の下面と支持部材２との間に形
成される下側空気流通路、７は単電池集合体３の開放さ
れた上面と支持部材２との間に形成される上側空気流通
路であり、これらの構成は従来例と同様である。FIG. 1 is a diagram for explaining the structure of an example of a battery pack according to the present invention. In the example shown in FIG. 1, 1 is a heat insulating container, 2 is a supporting member provided in the heat insulating container 1, 3 is a unit cell assembly fixed to the supporting member 2, and 4 is an air supplied from a fan 5 in the figure. , The lower air flow passage formed between the lower surface of the unit cell assembly 3 and the support member 2, and the upper surface of the unit cell assembly 3 open with the air flow passage. These are upper air flow passages formed between the support member 2 and the upper air flow passages.
【００１０】本実施例で重要なのは、循環空気がファン
５に至る直前の断熱容器１に、過熱時に循環空気を冷却
するための冷却器８を設けた点である。ここで、冷却器
８は、断熱容器１内に設けた冷却室１１と、この冷却室
１１の開閉を行うためのプラグ状の蓋部１２と、この蓋
部１２の開閉動作を行う駆動装置１３と、一端を冷却室
１１内に臨ませるとともに他端を断熱容器１の外部に臨
ませた冷却用のフィン１４とから構成されている。What is important in the present embodiment is that a cooler 8 for cooling the circulating air at the time of overheating is provided in the heat insulating container 1 immediately before the circulating air reaches the fan 5. Here, the cooler 8 includes a cooling chamber 11 provided in the heat insulating container 1, a plug-shaped lid 12 for opening and closing the cooling chamber 11, and a driving device 13 for opening and closing the lid 12. And a cooling fin 14 having one end facing the inside of the cooling chamber 11 and the other end facing the outside of the heat insulating container 1.
【００１１】空気を循環させて集合電池を作動させる
際、断熱容器１内の温度が上昇せずほぼ一定のときは、
図中実線で示すように蓋部１２を駆動装置１３を駆動し
て閉めることにより、循環空気が冷却室１１内に供給さ
れないようにするとともに、断熱容器１内の温度が上昇
して過熱状態のときは、図中点線で示すように蓋部１２
を駆動装置１３を駆動して開けることにより、循環空気
がプラグ状の蓋部１２の側面に沿って冷却室１１内に供
給されるよう構成している。冷却室１１内に供給された
循環空気は、冷却室１１内でフィン１４と接触して熱交
換されることにより冷却され、冷却室１１から空気流通
路４に戻る。これにより、循環空気を冷却することがで
きる。When operating the battery pack by circulating air, if the temperature in the heat insulating container 1 is substantially constant without increasing,
As shown by the solid line in the figure, by closing the lid portion 12 by driving the driving device 13, the circulating air is prevented from being supplied into the cooling chamber 11, and the temperature in the heat insulating container 1 rises, and At this time, as shown by the dotted line in FIG.
By driving the drive unit 13 to open the circulating air, the circulating air is supplied into the cooling chamber 11 along the side surface of the plug-shaped lid 12. The circulating air supplied into the cooling chamber 11 contacts the fins 14 in the cooling chamber 11 and is cooled by heat exchange, and returns from the cooling chamber 11 to the air flow passage 4. Thereby, the circulating air can be cooled.
【００１２】なお、本実施例では、蓋部１２の位置を上
述した開状態と閉状態との中間の位置にすることによ
り、循環空気の一部のみを冷却して冷却していない循環
空気と合流させることができるため、蓋部１２の開閉状
態を制御することにより循環空気の冷却の程度を微妙に
コントロールすることができる。In this embodiment, by setting the position of the lid 12 at an intermediate position between the above-mentioned open state and closed state, only a part of the circulating air is cooled and the uncooled circulating air is removed. Since they can be merged, the degree of cooling of the circulating air can be delicately controlled by controlling the open / close state of the lid 12.
【００１３】図２は本発明の集合電池における冷却器８
の他の例の構成を示す図である。図２に示す例におい
て、冷却装置８は、断熱容器１内に設けたバイパス部入
口２１とバイパス部出口２２との間に設けたバイパス部
２３と、このバイパス部２３に設けた冷却室２４と、一
端を冷却室２４内へ他端を外部へ臨ませた冷却用のフィ
ン２５と、循環空気をバイパス部２３へ供給するための
空気流通路４の開閉部２６と、この開閉部２６を駆動す
るための駆動装置２７とから構成されている。FIG. 2 shows a cooler 8 in the collective battery of the present invention.
FIG. 11 is a diagram illustrating a configuration of another example of FIG. In the example shown in FIG. 2, the cooling device 8 includes a bypass portion 23 provided between the bypass portion inlet 21 and the bypass portion outlet 22 provided in the heat insulating container 1, and a cooling chamber 24 provided in the bypass portion 23. A cooling fin 25 having one end facing the inside of the cooling chamber 24 and the other end facing the outside, an opening / closing portion 26 of the air flow passage 4 for supplying circulating air to the bypass portion 23, and driving the opening / closing portion 26 And a driving device 27 for performing the operation.
【００１４】上述した構成の冷却器８では、駆動装置２
７を駆動して開閉部２６を閉状態とし、空気流通路４を
閉じることにより、循環空気がバイパス部入口２１、バ
イパス部２３を介して冷却室２４に供給されるととも
に、駆動装置２７を駆動して開閉部２６を開状態とし、
空気流通路４を開けることにより、循環空気が冷却室２
４に供給されないよう構成している。In the cooler 8 having the above-described structure, the driving device 2
7, the opening / closing section 26 is closed, and the air flow path 4 is closed, whereby circulating air is supplied to the cooling chamber 24 via the bypass section inlet 21 and the bypass section 23, and the drive device 27 is driven. To open and close the opening and closing part 26,
By opening the air flow passage 4, the circulating air flows into the cooling chamber 2.
4 is not supplied.
【００１５】冷却室２４内に供給された循環空気は、冷
却室２４内でフィン２５と接触して熱交換されることに
より冷却され、冷却室２４からバイパス部２３、バイパ
ス部出口２２を介して空気流通路４に戻る。これによ
り、循環空気を冷却することができる。なお、本例で
も、開閉部２６の開閉状態を制御することにより、循環
空気の冷却の程度を微妙にコントロールすることができ
る。The circulating air supplied into the cooling chamber 24 is cooled by contact with the fins 25 in the cooling chamber 24 and heat exchange, and is cooled from the cooling chamber 24 through the bypass section 23 and the bypass section outlet 22. Return to the air passage 4. Thereby, the circulating air can be cooled. In this example, too, the degree of cooling of the circulating air can be finely controlled by controlling the open / close state of the open / close unit 26.
【００１６】本発明は上述した実施例にのみ限定される
ものではなく、幾多の変形、変更が可能である。例え
ば、上述した実施例では、単電池集合体の上部および下
部に空気流通路を設けた例を示したが、冷却手段が設け
てあればこの構造はどのような構造でもよく、従来から
公知の構造をとることができることはいうまでもない。
また、冷却室８の構造および冷却室８の位置なども、断
熱容器１の形状に応じて種々変更できることはいうまで
もない。The present invention is not limited to the above-described embodiment, but can be variously modified and changed. For example, in the above-described embodiment, an example in which the air flow passages are provided in the upper part and the lower part of the unit cell assembly has been described. It goes without saying that the structure can be adopted.
Needless to say, the structure of the cooling chamber 8 and the position of the cooling chamber 8 can be variously changed according to the shape of the heat insulating container 1.
【００１７】[0017]
【発明の効果】以上の説明から明かなように、本発明に
よれば、循環空気流通手段中に、過熱時に循環空気を冷
却するための冷却手段を設けたため、通常の温度におい
てはこの冷却手段を使用せず、過熱時にのみこの冷却手
段を作用させて、循環空気の温度をコントロールでき
る。そのため、外部から空気を導入することなく温度コ
ントロールを実施でき、外部から冷却空気を断熱容器内
に導入する場合と比較して、空気量も変化せず水分の混
入もないため、断熱容器内の温度を一定にすることがで
き、さらに内部の湿度を一定に保つことができ、集合電
池を効率的に動作させることができる。As is apparent from the above description, according to the present invention, the cooling means for cooling the circulating air at the time of overheating is provided in the circulating air circulating means. By using this cooling means only at the time of overheating without using, the temperature of the circulating air can be controlled. Therefore, temperature control can be performed without introducing air from the outside, and compared to the case where cooling air is introduced from the outside into the insulated container, the amount of air does not change and there is no mixing of moisture. The temperature can be kept constant, the internal humidity can be kept constant, and the battery pack can be operated efficiently.
【図１】本発明の集合電池の一例の構成を示す図であ
る。FIG. 1 is a diagram showing a configuration of an example of an assembled battery of the present invention.
【図２】本発明の集合電池における冷却器の他の例の構
成を示す図である。FIG. 2 is a diagram showing a configuration of another example of a cooler in the collective battery of the present invention.
【図３】従来の集合電池の一例の構成を示す図である。FIG. 3 is a diagram showing a configuration of an example of a conventional collective battery.
１ 断熱容器 ２ 支持部材 ３ 単電池集合体 ４ 空気流通路 ６ 下側空気流通路 ７ 上側空気流通路 ８ 冷却器 DESCRIPTION OF SYMBOLS 1 Insulated container 2 Support member 3 Single cell assembly 4 Air flow path 6 Lower air flow path 7 Upper air flow path 8 Cooler
Claims (2)
電池集合体と、断熱容器内に空気を循環させるための循
環空気流通手段とからなる集合電池において、前記循環
空気流通手段に、過熱時に循環空気を冷却させて単電池
集合体を冷却するための冷却手段を設け、この冷却手段
が、断熱容器内に設けた冷却室と、この冷却室の開閉を
行うためのプラグ状の蓋部と、この蓋部の開閉動作を行
う駆動装置と、一端を冷却室内に臨ませるとともに他端
を断熱容器の外部に臨ませた冷却用のフィンとから構成
されることを特徴とする集合電池。1. An assembled battery comprising: a heat insulating container; a unit cell assembly disposed in the heat insulating container; and a circulating air circulating means for circulating air in the heat insulating container. A cooling means for cooling the unit cell assembly by cooling the circulating air at the time of overheating, and the cooling means is provided with a cooling chamber provided in a heat insulating container, and a plug-shaped for opening and closing the cooling chamber. A set comprising a lid, a driving device for opening and closing the lid, and a cooling fin having one end facing the cooling chamber and the other end facing the outside of the heat insulating container. battery.
電池集合体と、断熱容器内に空気を循環させるための循
環空気流通手段とからなる集合電池において、前記循環
空気流通手段に、過熱時に循環空気を冷却させて単電池
集合体を冷却するための冷却手段を設け、この冷却手段
が、断熱容器内に設けたバイパス部入口とバイパス部出
口との間に設けたバイパス部と、このバイパス部に設け
た冷却室と、一端を冷却室内へ他端を外部へ臨ませた冷
却用フィンと、循環空気をバイパス部へ供給するための
空気流通路の開閉部と、この開閉部を駆動するための駆
動装置とから構成されることを特徴とする集合電池。2. A combined battery comprising a heat insulating container, a unit cell assembly disposed in the heat insulating container, and a circulating air circulating means for circulating air in the heat insulating container. A cooling means for cooling the unit cell assembly by cooling the circulating air at the time of overheating, and the cooling means comprises a bypass portion provided between a bypass portion inlet and a bypass portion outlet provided in the heat insulating container. A cooling chamber provided in the bypass section, a cooling fin having one end facing the cooling chamber and the other end facing the outside, an opening / closing section for an air flow passage for supplying circulating air to the bypass section, And a driving device for driving the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6865593A JP2698527B2 (en) | 1993-03-26 | 1993-03-26 | Collective battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6865593A JP2698527B2 (en) | 1993-03-26 | 1993-03-26 | Collective battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06283213A JPH06283213A (en) | 1994-10-07 |
| JP2698527B2 true JP2698527B2 (en) | 1998-01-19 |
Family
ID=13379939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6865593A Expired - Lifetime JP2698527B2 (en) | 1993-03-26 | 1993-03-26 | Collective battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2698527B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4361229B2 (en) | 2001-07-04 | 2009-11-11 | 日産自動車株式会社 | Battery system |
| FR2829619B1 (en) * | 2001-09-07 | 2004-07-09 | Peugeot Citroen Automobiles Sa | THERMAL REGULATION DEVICE FOR A BATTERY MODULE FOR A MOTOR VEHICLE |
| DE10250240B4 (en) * | 2002-10-29 | 2021-02-18 | Hilti Aktiengesellschaft | Battery pack |
| JP4519516B2 (en) * | 2003-07-15 | 2010-08-04 | 本田技研工業株式会社 | Heating / cooling device for vehicle electrical unit and hybrid vehicle |
| TW201222938A (en) | 2010-04-06 | 2012-06-01 | Sumitomo Electric Industries | Method for producing separator, method for manufacturing molten salt battery, separator, and molten salt battery |
| CA2796840A1 (en) * | 2010-04-22 | 2011-10-27 | Sumitomo Electric Industries, Ltd | Molten salt battery device, and method for controlling temperature of molten salt battery |
| JP5912450B2 (en) * | 2011-11-25 | 2016-04-27 | トヨタ自動車株式会社 | Power storage device, battery temperature control method |
| WO2013080512A1 (en) * | 2011-11-30 | 2013-06-06 | 株式会社ヴァレオジャパン | Battery temperature control unit |
| JP5776735B2 (en) * | 2013-07-04 | 2015-09-09 | 株式会社デンソー | Battery temperature control device |
| JP5835394B2 (en) * | 2013-08-19 | 2015-12-24 | 株式会社デンソー | Battery cooling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60218576A (en) * | 1984-04-13 | 1985-11-01 | 株式会社デンソー | Cold and hot storage warehouse |
-
1993
- 1993-03-26 JP JP6865593A patent/JP2698527B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06283213A (en) | 1994-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970819 |