JPS62200178A - Refrigerator - Google Patents
RefrigeratorInfo
- Publication number
- JPS62200178A JPS62200178A JP4174886A JP4174886A JPS62200178A JP S62200178 A JPS62200178 A JP S62200178A JP 4174886 A JP4174886 A JP 4174886A JP 4174886 A JP4174886 A JP 4174886A JP S62200178 A JPS62200178 A JP S62200178A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerator
- urethane foam
- compartment
- insulation material
- vacuum insulation
- 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
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000006260 foam Substances 0.000 claims description 31
- 239000012774 insulation material Substances 0.000 claims description 28
- 238000009413 insulation Methods 0.000 description 10
- 239000002131 composite material Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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〕
本発明は冷蔵庫に係り、特に省スペースに好適な冷蔵庫
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a refrigerator, and particularly to a refrigerator suitable for space saving.
最近の冷蔵庫は、断熱能力が優れた平板状の真空断熱材
を、従来の硬質ウレタンフオームと併用し、断熱壁厚を
薄くし、箱体の外法寸法を変更せずに内容積の増大を計
っている。Recent refrigerators use flat vacuum insulation materials with excellent insulation ability in combination with conventional rigid urethane foam to reduce the thickness of the insulation walls and increase the internal volume without changing the external dimensions of the box. I'm counting.
又、現在の冷蔵庫の大部分は、冷凍室、冷蔵室野菜室な
ど、複数の部屋を有するものが多（、これ等各部屋の断
熱壁構造は、断熱機能、又は、部品取付は構造に於いて
異にした壁厚となるものである。In addition, most of the current refrigerators have multiple rooms, such as a freezer compartment, a refrigerator compartment, and a vegetable compartment. The walls have different thicknesses.
このため、真空断熱材を冷蔵庫断熱壁に組込んで、効果
を上げるには、真空断熱材と、これに組合せるウレタン
フオーム断熱材との断熱特性をよ（把握して構成する必
要がある。Therefore, in order to increase the effectiveness of incorporating a vacuum insulation material into a refrigerator insulation wall, it is necessary to understand the insulation characteristics of the vacuum insulation material and the urethane foam insulation material to be combined with it.
従来の冷蔵庫は、特開昭５９−８１４８２号公報に記載
されたもので、この公知例を第５図により説明すると、
１は冷蔵庫の外板、２は内箱、３は冷凍室と冷蔵室に庫
内を分割するための中仕切り、４は冷凍室、５は冷蔵室
、６は冷凍室４の外板１の内面側に取付ける真空断熱材
、７ａは冷凍室４側に発泡されたウレタンフオーム、７
ｂは冷蔵室５側に発泡されたウレタンフオームである。A conventional refrigerator is described in Japanese Unexamined Patent Publication No. 59-81482, and this known example will be explained with reference to FIG.
1 is the outer panel of the refrigerator, 2 is the inner box, 3 is the partition for dividing the inside of the refrigerator into the freezer compartment and the refrigerator compartment, 4 is the freezer compartment, 5 is the refrigerator compartment, and 6 is the outer panel 1 of the freezer compartment 4. Vacuum insulation material to be installed on the inner surface side, 7a is foamed urethane foam on the freezer compartment 4 side, 7
b is a urethane foam foamed on the side of the refrigerator compartment 5.
又、他の従来の冷蔵庫は、特開昭５７−６２７号公報に
記載されたもので、この公知例を第６図により説明する
と、８は外箱、９は内箱、１０は中仕切り、１１は冷凍
室、１２は冷蔵室、１３は真空断熱材、１４はウレタン
フオームである。真空断熱材１３は冷凍室１１、冷蔵室
１２にまたがって配設されている。言換えれば、冷蔵庫
箱体の全面にわたって配設されている。Another conventional refrigerator is the one described in Japanese Unexamined Patent Publication No. 57-627, and this known example is explained with reference to FIG. 6, where 8 is an outer box, 9 is an inner box, 10 is a partition, 11 is a freezer compartment, 12 is a refrigerator compartment, 13 is a vacuum insulation material, and 14 is a urethane foam. The vacuum heat insulating material 13 is disposed across the freezer compartment 11 and the refrigerator compartment 12. In other words, it is arranged over the entire surface of the refrigerator box.
摺る構造の冷蔵庫に於いて、第５図の従来例では真空断
熱材６が冷凍室４側のみ構成され、冷凍室４側の断熱材
、即ち、真空断熱材６とウレタンフオーム７３との組合
せによる壁厚を、冷蔵室５側のウレタンフオーム７ａの
断熱厚さと同一に構成しているために、熱損失のバラン
スが悪かった熱損失のバランスが悪いと、熱の漏洩部分
が一部に片寄ってしまい、かえって、熱漏洩を増大させ
てしまうという問題点がある。In the conventional refrigerator with a sliding structure, the vacuum insulation material 6 is configured only on the freezer compartment 4 side in the conventional example shown in FIG. Since the wall thickness is configured to be the same as the insulation thickness of the urethane foam 7a on the side of the refrigerator compartment 5, the balance of heat loss is poor. However, there is a problem in that it ends up increasing heat leakage.
また、冷蔵庫の内容積を大幅に増大させるには真空断熱
材を、冷蔵庫箱体の大部分をしめる冷蔵室５側にも配置
して、冷蔵庫全体の断熱材の薄肉化を計る必要がある。Furthermore, in order to significantly increase the internal volume of the refrigerator, it is necessary to place vacuum insulation material on the side of the refrigerator compartment 5, which encloses most of the refrigerator box, to reduce the thickness of the insulation material of the entire refrigerator.
このために冷凍室４側と同様、冷蔵室５側に真空断熱材
をウレタンフオームと組合せた第６図に示す従来例の構
造が考えられるが、真空断熱材を入れたことにより、ウ
レタンフオームが充填される空間がせまくなってしまい
冷蔵庫全面に充填すると、ウレタンフオームの発泡時に
流動性が悪（なり、ウレタンフオームの未充舅部を作り
易いこと、及び、ウレタンフオームの薄化によりこの比
重が増大し熱伝導率が増大する性質があり、これ等によ
り断熱機能が低下する問題点を有していた。For this purpose, the conventional structure shown in Fig. 6, which combines a vacuum insulation material with urethane foam on the refrigerator compartment 5 side as well as the freezer compartment 4 side, can be considered, but by inserting the vacuum insulation material, the urethane foam If the space to be filled becomes narrow and the entire surface of the refrigerator is filled, the fluidity will be poor when the urethane foam is foamed. This has the property of increasing thermal conductivity, which has the problem of lowering the heat insulating function.
本発明の目的は、真空断熱材を使用し、冷蔵庫の冷凍室
、冷蔵室等断熱バランスを取り均一熱損失にするととも
に、ウレタンフオームの断熱劣化の欠陥を防止し、冷凍
室、及び冷蔵室の大巾な内容積増大を計った冷蔵庫を提
供することにある。The purpose of the present invention is to use a vacuum insulating material to achieve uniform heat loss by balancing insulation in the freezer and refrigerator compartments of refrigerators, and to prevent defects due to insulation deterioration of urethane foam. The objective is to provide a refrigerator with a significantly increased internal volume.
上記目的は、冷凍室と冷蔵室とを形成した内箱と、上記
内箱に外箱を組み合せて形成した箱体と、上記両箱の空
間部に真空断熱材とウレタンフオームを設けた冷蔵庫に
おいて、上記ウレタンフオームが上記冷凍室に対応する
上記空間部のみに充填することにより達成される。The above purpose is to provide a refrigerator that includes an inner box forming a freezer compartment and a refrigerator compartment, a box body formed by combining the inner box with an outer box, and a vacuum insulation material and urethane foam provided in the space between the two boxes. This is achieved by filling only the space corresponding to the freezer compartment with the urethane foam.
即ち、従来冷蔵庫では厚く構成していた低温室壁面は、
真空断熱材とウレタンフオームにより組合され、全体断
熱材を薄くなり大巾に内容積が増大できる上に、低温室
側に設ける強制対流用ファンの取付けと、スペースファ
クター、蒸発器の取付けとバイパスダクト、高温室への
送風路の構成が組合されるウレタンフオームを利用して
可能となる。一方高温室側の真空断熱材部は、ウレタン
フオームが複合されず、断熱能力が高温室より少なくな
り、高温室、低温室の熱損失バランスが取れる上、薄熱
厚が薄く、低温室以上に内容積増大が計れる。In other words, the walls of the cold room, which were thick in conventional refrigerators,
Combining vacuum insulation material and urethane foam, the overall insulation material is thinner and the internal volume can be greatly increased.In addition, it is possible to install a forced convection fan on the cold room side, space factor, evaporator installation, and bypass duct. This is possible by using the urethane foam that is combined with the configuration of the air passage to the high temperature room. On the other hand, the vacuum insulation material on the high temperature room side does not have urethane foam combined, so the insulation capacity is less than that of the high temperature room, and the heat loss balance between the high and low temperature rooms can be balanced, and the thermal thickness is thinner, making it more effective than the low temperature room. Increase in internal volume can be measured.
又、ウレタンフオームの構造に関しては、薄（なる部分
の面積が少くなり、ウレタンフオームの発泡時の流動距
離が短くなり未充填不足を起し難い上、高温室径極端に
薄くする必要もな（熱伝導率もあまり増大させない機能
を有する。In addition, regarding the structure of the urethane foam, the area of the thin part is reduced, the flow distance during foaming of the urethane foam is shortened, and it is difficult to cause insufficient filling, and there is no need to make the diameter of the high temperature chamber extremely thin ( It also has the function of not increasing thermal conductivity too much.
本発明の一実施例を、第１図、第４図、〜第６図により
説明すると、２０は冷蔵庫の外板、２１は内箱、２１ｍ
は冷凍室側の内箱、２１ｂは冷蔵室側の内箱、２２は中
仕切り、２２ａは低温室の戻り通風路、２２ｂは冷蔵室
側からの戻り通風路、２３は冷凍室、２４は冷蔵室、２
５は冷凍室扉、２６は冷蔵室扉、２７は真空断熱材、２
７．は真空断熱材２７の外容器、２７ｂは真空断熱材２
７のスペーサ、２８はウレタンフオーム、２９は真空断
熱材２７と組合せる複合ウレタンフオーム、２９、はフ
ァンモータ取付部、２９ｂは後述する蒸発器の露詰り防
止バイパスダクト、２９ｃは冷気の送風路、３０は蒸発
器、３１はファンモータ、３１自はファン、３２はファ
ンガード、３３は冷蔵室２４の温度制御装置、３４は圧
縮機、３５は、ドレン受皿、３６はベースである。An embodiment of the present invention will be described with reference to FIGS. 1, 4, and 6. Reference numeral 20 indicates an outer panel of the refrigerator, 21 indicates an inner box, and 21 m
21b is the inner box on the freezer compartment side, 21b is the inner box on the refrigerator compartment side, 22 is the partition, 22a is the return ventilation passage from the cold room, 22b is the return ventilation passage from the refrigerator compartment side, 23 is the freezing compartment, and 24 is the refrigerator compartment. room, 2
5 is the freezer compartment door, 26 is the refrigerator compartment door, 27 is the vacuum insulation material, 2
7. 27b is the outer container of the vacuum insulation material 27, and 27b is the vacuum insulation material 2.
7 is a spacer, 28 is a urethane foam, 29 is a composite urethane foam to be combined with the vacuum insulation material 27, 29 is a fan motor mounting part, 29b is a bypass duct to prevent condensation of the evaporator which will be described later, 29c is a cold air blowing path, 30 is an evaporator, 31 is a fan motor, 31 is a fan, 32 is a fan guard, 33 is a temperature control device for the refrigerator compartment 24, 34 is a compressor, 35 is a drain tray, and 36 is a base.
かかる冷蔵庫によれば、冷凍室２３の真空断熱材２７の
組込部は、複合ウレタンフオーム２９を併用して断熱し
、冷蔵室２４の真空断熱材２７のみで断熱するように描
成しである。According to this refrigerator, the part where the vacuum insulation material 27 of the freezer compartment 23 is installed is designed to be insulated using the composite urethane foam 29 in combination, and the vacuum insulation material 27 of the refrigerator compartment 24 is insulated only. .
これにより、庫内性温度差の大きい冷凍室２３の真空断
熱材２７の組込部の熱貫流率と、冷蔵室２４の熱貫流率
を均一にでき、熱損失のアンバランスを防ぐとともに、
冷蔵庫の外箱外表面に結露し易い冷凍室２３と外気の暖
い温度とを確実に遮断できるので、結露を確実に防止す
ることかできる。As a result, it is possible to equalize the heat transmission coefficient of the part where the vacuum insulation material 27 is installed in the freezer compartment 23, which has a large internal temperature difference, and the heat transmission coefficient of the refrigerator compartment 24, thereby preventing an imbalance in heat loss.
Since the freezer compartment 23, which tends to form dew condensation on the outer surface of the refrigerator, can be reliably isolated from the warm temperature of the outside air, dew condensation can be reliably prevented.
又、外板と内板との間に真空断熱材２７を併用すると＋
＝合ウレタンフオーム２９充填される空間は極めて少（
なるため、発泡時の流動距離が短いこと＼、断熱能力を
大きくするため、冷蔵室２４に併用するウレタンフオー
ムより厚くする必要があることより、ウレタンフオーム
の未充填部、及び、島化に伴う熱伝導率増大による問題
点を解消し、複合ウレタンフオーム２９は高い断熱能力
を有し、生産性を向上させることができる。Also, if the vacuum insulation material 27 is used between the outer plate and the inner plate, +
= The space to be filled with urethane foam 29 is extremely small (
Therefore, the flow distance during foaming is short ＼, and in order to increase the heat insulation capacity, it is necessary to make it thicker than the urethane foam used in the refrigerator compartment 24. The problem caused by the increase in thermal conductivity is solved, and the composite urethane foam 29 has a high heat insulating ability and can improve productivity.
従って、この様に構成した真空断熱材２７の組込部は、
断熱材の薄厚化により冷凍室２３、冷蔵室２４ともに内
容積が大巾に増大できる。Therefore, the part where the vacuum heat insulating material 27 is assembled in this manner is as follows:
By making the heat insulating material thinner, the internal volumes of both the freezer compartment 23 and the refrigerator compartment 24 can be greatly increased.
一方、冷蔵室２３の背面部に設ける、ファンモータ３１
は、強度の前いウレタンフオーム２９のファンモータ取
付部２つ−１に組込まれ、取付強度を高くできる上に、
四部を利用できるため、ファンの組込性が向上し、軸方
向のデッドスペースを低減できる。さらに蒸発器２９の
取付け、及び着霜による霜詰りの時間延長を計るための
バイパスダクトの構成、冷気を高温室２４に送るための
送風路２９−３の構成に効果的である。この複合ウレタ
ンフオーム２９は、以上の機器の取付けのため局部的に
ｌ’ｊｉ くなる所があるが真空断熱材２７の断熱能力
が優れているため、外板２０表面への春材が防止できる
。On the other hand, a fan motor 31 provided on the back side of the refrigerator compartment 23
is incorporated into the two fan motor mounting parts-1 of the urethane foam 29, which has low strength, and can increase the mounting strength, as well as
Since four parts can be used, it is easier to assemble the fan and reduces dead space in the axial direction. Furthermore, it is effective for installing the evaporator 29, configuring a bypass duct to extend the time of frost clogging due to frost formation, and configuring the air passage 29-3 for sending cold air to the high temperature room 24. This composite urethane foam 29 has some places where it becomes l'ji due to the installation of the above-mentioned equipment, but since the vacuum insulation material 27 has excellent insulation ability, spring material can be prevented from forming on the surface of the outer panel 20. .
さらに、冷蔵室２４側の真空鵬熱材２７の組込部は、ウ
レタンフオームを併用しないが、この内部に設ける温度
制御装置３３は、直接中仕切り２２の下部に取付可能で
あり問題ない。Further, although urethane foam is not used in the part where the vacuum heat material 27 is installed on the side of the refrigerator compartment 24, the temperature control device 33 provided inside this part can be directly attached to the lower part of the partition 22, so there is no problem.
本発明によれば、真空断熱材を応用して冷凍室、冷蔵室
の熱貫流率を均一にし、ウレタンフオームの未充填と熱
伝導率の増大を防止し、高い省スペース効果を得られる
上に、ファンモータ、蒸発器、送風路の取付構成に優利
にならしめる効果を有するものである。According to the present invention, by applying a vacuum insulation material, the heat transmission coefficient of the freezer compartment and the refrigerator compartment is made uniform, preventing the urethane foam from being unfilled and increasing the thermal conductivity, and achieving a high space-saving effect. This has the effect of making the mounting structure of the fan motor, evaporator, and air passage more advantageous.
第１図は、本発明の冷凍冷蔵庫の縦断面図、第２図は、
真空断熱材の断面構造図、第３図は、本発明の冷凍冷蔵
庫の冷凍室側断面図、第４図は、同じく本発明の冷蔵室
側断面図、第５図は、従来例の冷蔵庫の縦断面図、第６
図は、他の従来例の縦断面図である。
２０・・・外板、２１・・・内箱、２２・・・中仕切り
、２３・・・冷凍室、２４・・・冷蔵室、２７・・・真
空断熱材、２８・・・ウレタンフオーム、２９・・・複
合ウレタンフオーム、３０・・・蒸Ｑ’ＪＬ ３１・・
・ファンモータ、３３・・・温度制御装置。FIG. 1 is a longitudinal sectional view of the refrigerator-freezer of the present invention, and FIG.
3 is a cross-sectional view of the vacuum insulation material, FIG. 3 is a cross-sectional view of the freezer compartment of the refrigerator-freezer of the present invention, FIG. 4 is a cross-sectional view of the refrigerator compartment of the present invention, and FIG. 5 is a cross-sectional view of the refrigerator of the conventional example. Longitudinal sectional view, No. 6
The figure is a longitudinal sectional view of another conventional example. 20... Outer plate, 21... Inner box, 22... Inner partition, 23... Freezer room, 24... Refrigerator room, 27... Vacuum insulation material, 28... Urethane foam, 29...Composite urethane foam, 30...Steamed Q'JL 31...
-Fan motor, 33...temperature control device.
Claims (1)
箱を組み合せて形成した箱体と、上記両箱の空間部に真
空断熱材とウレタンフォームを設けた冷蔵庫において、
上記ウレタンフォームが上記冷凍室に対応する上記空間
部のみに充填されていることを特徴とする冷蔵庫。1. A refrigerator comprising an inner box forming a freezer compartment and a refrigerator compartment, a box body formed by combining the inner box with an outer box, and a vacuum insulation material and urethane foam provided in the space between the two boxes,
A refrigerator characterized in that the urethane foam is filled only in the space corresponding to the freezer compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174886A JPS62200178A (en) | 1986-02-28 | 1986-02-28 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174886A JPS62200178A (en) | 1986-02-28 | 1986-02-28 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62200178A true JPS62200178A (en) | 1987-09-03 |
Family
ID=12617043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4174886A Pending JPS62200178A (en) | 1986-02-28 | 1986-02-28 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200178A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205995A (en) * | 1997-01-20 | 1998-08-04 | Sanyo Electric Co Ltd | Refrigerator |
| JPH10205989A (en) * | 1997-01-22 | 1998-08-04 | Sanyo Electric Co Ltd | Refrigerator |
| JP2003314952A (en) * | 2003-04-18 | 2003-11-06 | Sanyo Electric Co Ltd | Refrigerator |
| JP2005326146A (en) * | 2005-06-27 | 2005-11-24 | Hitachi Ltd | Refrigerator |
| JP5985039B2 (en) * | 2013-06-07 | 2016-09-06 | 三菱電機株式会社 | refrigerator |
| JPWO2016135902A1 (en) * | 2015-02-25 | 2017-08-31 | 三菱電機株式会社 | refrigerator |
| JP2017150811A (en) * | 2013-06-07 | 2017-08-31 | 三菱電機株式会社 | refrigerator |
| JP2018028433A (en) * | 2013-06-07 | 2018-02-22 | 三菱電機株式会社 | refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6036866A (en) * | 1983-08-10 | 1985-02-26 | 株式会社日立製作所 | Disposing structure of vacuum heat-insulating material |
| JPS60114680A (en) * | 1983-11-25 | 1985-06-21 | 株式会社日立製作所 | Vacuum heat-insulating box body |
-
1986
- 1986-02-28 JP JP4174886A patent/JPS62200178A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6036866A (en) * | 1983-08-10 | 1985-02-26 | 株式会社日立製作所 | Disposing structure of vacuum heat-insulating material |
| JPS60114680A (en) * | 1983-11-25 | 1985-06-21 | 株式会社日立製作所 | Vacuum heat-insulating box body |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205995A (en) * | 1997-01-20 | 1998-08-04 | Sanyo Electric Co Ltd | Refrigerator |
| JPH10205989A (en) * | 1997-01-22 | 1998-08-04 | Sanyo Electric Co Ltd | Refrigerator |
| JP2003314952A (en) * | 2003-04-18 | 2003-11-06 | Sanyo Electric Co Ltd | Refrigerator |
| JP2005326146A (en) * | 2005-06-27 | 2005-11-24 | Hitachi Ltd | Refrigerator |
| JP5985039B2 (en) * | 2013-06-07 | 2016-09-06 | 三菱電機株式会社 | refrigerator |
| JP2016166733A (en) * | 2013-06-07 | 2016-09-15 | 三菱電機株式会社 | Refrigerator |
| JPWO2014196219A1 (en) * | 2013-06-07 | 2017-02-23 | 三菱電機株式会社 | refrigerator |
| JP2017150811A (en) * | 2013-06-07 | 2017-08-31 | 三菱電機株式会社 | refrigerator |
| JP2017194271A (en) * | 2013-06-07 | 2017-10-26 | 三菱電機株式会社 | refrigerator |
| JP2018028433A (en) * | 2013-06-07 | 2018-02-22 | 三菱電機株式会社 | refrigerator |
| JP2018063110A (en) * | 2013-06-07 | 2018-04-19 | 三菱電機株式会社 | refrigerator |
| JPWO2016135902A1 (en) * | 2015-02-25 | 2017-08-31 | 三菱電機株式会社 | refrigerator |
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