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JP2575488B2 - refrigerator - Google Patents
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JP2575488B2 - refrigerator - Google Patents

refrigerator

Info

Publication number
JP2575488B2
JP2575488B2 JP1072068A JP7206889A JP2575488B2 JP 2575488 B2 JP2575488 B2 JP 2575488B2 JP 1072068 A JP1072068 A JP 1072068A JP 7206889 A JP7206889 A JP 7206889A JP 2575488 B2 JP2575488 B2 JP 2575488B2
Authority
JP
Japan
Prior art keywords
heat exchanger
bypass
duct
refrigerator
wall
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
JP1072068A
Other languages
Japanese (ja)
Other versions
JPH02251077A (en
Inventor
明 河本
敏光 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP1072068A priority Critical patent/JP2575488B2/en
Priority to KR1019900004065A priority patent/KR940000137B1/en
Publication of JPH02251077A publication Critical patent/JPH02251077A/en
Application granted granted Critical
Publication of JP2575488B2 publication Critical patent/JP2575488B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Description

【発明の詳細な説明】 [発明の目的] (産業上の利用分野) 本発明は、冷蔵庫に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a refrigerator.

(従来の技術と発明が解決しようとする課題) 第5図は、従来の冷蔵庫の熱交換器配設部分の縦断面
図である。
(Prior Art and Problems to be Solved by the Invention) FIG. 5 is a longitudinal sectional view of a heat exchanger provided portion of a conventional refrigerator.

冷凍室16の後方は仕切壁22によって仕切られ、背壁10
の前に上下方向に伸びるダクト24が形成されている。た
だし、このダクト24の下端部24aは、ルーバー26を通し
て冷凍室16に連通しており、また空気流通孔27を通して
隣接する冷蔵室に連通している。このダクト24内には、
独立フィン型のフィンチューブ式熱交換器28が配され
る。多段フィンを有するこの熱交換器28の下方すなわち
ダクト24の下端部24aには、除霜のためのヒータ30が配
される。
The rear of the freezer compartment 16 is partitioned by a partition wall 22, and the back wall 10
A duct 24 extending in the vertical direction is formed in front of. However, the lower end 24a of the duct 24 communicates with the freezer compartment 16 through the louver 26 and communicates with the adjacent refrigerator compartment through the air circulation hole 27. Inside this duct 24,
An independent fin type fin tube type heat exchanger 28 is provided. A heater 30 for defrosting is disposed below the heat exchanger 28 having multi-stage fins, that is, at a lower end 24a of the duct 24.

仕切壁22の後面には凹所が設けられて、ダクト24の下
端部24aから熱交換器28の途中の高さまで上下方向に伸
びるバイパス33が形成されている。熱交換器28の前面
は、バイパス33の形成部分以外では仕切壁22の後面に接
している。この熱交換器28の後面は、全体が背壁10の内
面に接している。
A recess is provided on the rear surface of the partition wall 22, and a bypass 33 is formed extending vertically from the lower end 24 a of the duct 24 to a height halfway through the heat exchanger 28. The front surface of the heat exchanger 28 is in contact with the rear surface of the partition wall 22 except for the portion where the bypass 33 is formed. The rear surface of the heat exchanger 28 is entirely in contact with the inner surface of the back wall 10.

図示はしないがダクト24の上端部24bにはファンが設
けられ、冷凍室16及び冷蔵室からルーバー26及び空気流
通孔27をそれぞれ通してダクト24の下端部24a内に吸込
まれた空気は、熱交換器28で冷却された後、ファンによ
って再び冷凍室16及び冷蔵室内に送給される。ただし、
ダクト24の下端部24a内に吸込まれた空気の一部は、バ
イパス33を通して中間段のフィンまで導かれて、他の空
気と合流する。
Although not shown, a fan is provided at the upper end 24b of the duct 24, and air sucked into the lower end 24a of the duct 24 from the freezer compartment 16 and the refrigerating compartment through the louver 26 and the air circulation hole 27 respectively is heated. After being cooled by the exchanger 28, it is again fed into the freezing room 16 and the refrigerating room by the fan. However,
Part of the air sucked into the lower end 24a of the duct 24 is guided to the intermediate fin through the bypass 33 and merges with other air.

さて、特に冷蔵室からダクト24の下端部24a内に吸込
まれる空気は多量の水蒸気を含んでいるので、熱交換器
28に着霜が生じる。熱交換器28に着霜が生じると、フィ
ン間の目づまりによる流路抵抗の増大が生じて熱交換効
率が低下する。この霜はヒータ30の通電によって除去可
能であるが、除霜間隔の延長と除霜効率の向上をはかる
ためには着霜を均一化することが必要である。
Now, since the air sucked into the lower end portion 24a of the duct 24 particularly from the refrigerator compartment contains a large amount of water vapor, the heat exchanger
Frost formation occurs on 28. When frost forms on the heat exchanger 28, the flow resistance increases due to clogging between the fins, and the heat exchange efficiency decreases. This frost can be removed by energizing the heater 30, but it is necessary to make the frost uniform in order to extend the defrost interval and improve the defrost efficiency.

そこで、前記のようにダクト24にバイパス33を設けた
り、着霜しやすい下側のフィンすなわち上流フィンほど
水平方向のピッチを大きくしたりして、着霜が生じても
空気の流通が阻害されにくいようにしていた。このよう
な対策は、横幅の大きい熱交換器についてはある程度の
効果があった。
Therefore, as described above, the bypass 33 is provided in the duct 24, or the lower fin, which is apt to form frost, that is, the upstream fin is increased in the horizontal pitch, so that even if frost occurs, the flow of air is hindered. I was trying to make it difficult. Such measures had a certain effect on a heat exchanger having a large width.

しかしながら、バイパス33の上端部33aすなわち空気
の合流点より高い位置の空気流路断面積がこれより低い
位置に比較して小さくなっているから、この合流点近傍
での流速がこれより低い位置に比べて大きくなるばかり
でなく、バイパス33を通るために熱交換器28によってほ
とんど冷やされることのない比較的高温高湿のままの空
気が合流点に供給されるから、この合流点近傍のフィン
にやはり着霜が集中する傾向がある。したがって、幅が
狭くフィン段数の多い熱交換器28の場合には、比較的短
時間のうちにフィン間の目づまりによる流路抵抗の増大
が生じて、その熱交換効率が低下する。
However, since the cross-sectional area of the air flow path at the upper end 33a of the bypass 33, that is, at a position higher than the confluence of air is smaller than that at the lower position, the flow velocity near this confluence is at a lower position. Not only is the air relatively large, but also relatively high-temperature and high-humidity air that is hardly cooled by the heat exchanger 28 to pass through the bypass 33 is supplied to the junction, so the fins near this junction are Again, frost formation tends to concentrate. Therefore, in the case of the heat exchanger 28 having a narrow width and a large number of fin stages, the flow resistance increases due to clogging between the fins in a relatively short time, and the heat exchange efficiency is reduced.

本発明は、以上の事情を考慮してなされたものであっ
て、熱交換器の着霜分布を改善した冷蔵庫を提供するこ
とを目的とする。
The present invention has been made in view of the above circumstances, and has as its object to provide a refrigerator in which the distribution of frost on a heat exchanger is improved.

[発明の構成] (課題を解決するための手段) 本発明の冷蔵庫は、熱交換器の側面に沿って壁を設け
てダクトを構成した冷蔵庫であって、一方の壁にダクト
の空気流入端から熱交換器の途中の位置まで伸びる凹所
を設けて主バイパスを形成するとともに、対向する壁
に、主バイパスの終端より上流側に起端を、下流側に終
端をそれぞれ有する凹所を設けて、前記主バイパスとそ
の一部が重なるように補助バイパスを更に形成し、前記
熱交換器は、複数枚の独立したフィンを多段に組合わせ
たフィンチューブ式熱交換器であり、前記重なり部分の
近傍段の前記フィンの配設ピッチをこれに隣接する上流
側の段のフィンの配設ピッチより小さくしたものであ
る。
[Structure of the Invention] (Means for Solving the Problems) The refrigerator of the present invention is a refrigerator in which a wall is provided along a side surface of a heat exchanger to form a duct, and the air inflow end of the duct is provided on one wall. The main bypass is formed by providing a recess extending from the center of the heat exchanger to a position in the middle of the heat exchanger, and the opposing wall is provided with a recess having a starting end upstream from the end of the main bypass and a recess having a terminal downstream. An auxiliary bypass is further formed so that a part of the main bypass overlaps with the main bypass, and the heat exchanger is a fin tube type heat exchanger in which a plurality of independent fins are combined in multiple stages; Is smaller than the pitch of the fins of the upstream stage adjacent thereto.

(作 用) 本発明の冷蔵庫は、ダクトと主バイパスとの合流点付
近には補助バイパスの起端側が位置するから、この重な
り部分での空気流路の総断面積は他の位置より大きく、
合流点付近の流速は他の部分より小さい。したがって、
主バイパスを通るためにダクト内の熱交換器によってほ
とんど冷やされることのない比較的高温高湿のままの空
気が合流点に供給されても、合流点近傍の熱交換器に局
所的な着霜を生じることはない。ダクトを横切って補助
バイパスに入る空気は、ダクト内の熱交換器によって一
旦冷やされているので、この補助バイパスからダクトに
入る際に局所的な着霜を生じることもない。
(Operation) In the refrigerator of the present invention, since the starting side of the auxiliary bypass is located near the junction of the duct and the main bypass, the total cross-sectional area of the air flow path at this overlapping portion is larger than at other positions.
The flow velocity near the junction is smaller than the other parts. Therefore,
Even if relatively hot and humid air that is hardly cooled by the heat exchanger in the duct to pass through the main bypass is supplied to the junction, local frost formation on the heat exchanger near the junction Does not occur. The air that crosses the duct and enters the auxiliary bypass is once cooled by the heat exchanger in the duct, so that there is no local frost formation when entering the duct from the auxiliary bypass.

(実施例) 第1図〜第3図は、本発明の実施例に係る冷蔵庫を示
す。
(Embodiment) FIGS. 1 to 3 show a refrigerator according to an embodiment of the present invention.

この冷蔵庫の内外を仕切る背壁10の左右端部は前方に
延出して側壁12を構成する。背壁10の左右方向中間位置
からは中間壁14が前方に延出して、庫内が冷凍室16と冷
蔵室18とに仕切られる。冷凍室16の後方は仕切壁22によ
って仕切られ、上下方向に伸びるダクト24が形成されて
いる。ただし、このダクト24の下端部24aは、ルーバー2
6を通して冷凍室16に連通しており、また空気流通孔27
を通して冷蔵室18に連通している。このダクト24内に
は、例えば独立フィン型のフィンチューブ式熱交換器28
が配される。多段フィンを有するこの熱交換器28は、第
2図及び第3図に示すように、下段ほど水平方向のフィ
ンピッチが大きくなっている。この熱交換器28の下方す
なわちダクト24の下端部24aには、除霜のためのヒータ3
0が配される。
Left and right ends of a back wall 10 partitioning the inside and outside of the refrigerator extend forward to form a side wall 12. An intermediate wall 14 extends forward from an intermediate position of the back wall 10 in the left-right direction, and the interior of the refrigerator is partitioned into a freezer compartment 16 and a refrigerator compartment 18. The rear of the freezer compartment 16 is partitioned by a partition wall 22, and a duct 24 extending in the vertical direction is formed. However, the lower end 24a of this duct 24 is
6 to the freezer compartment 16 and the air circulation holes 27
Through the refrigerator compartment 18. In this duct 24, for example, an independent fin type fin tube type heat exchanger 28
Is arranged. In this heat exchanger 28 having multi-stage fins, as shown in FIGS. 2 and 3, the lower fin has a larger horizontal fin pitch. A heater 3 for defrosting is provided below the heat exchanger 28, that is, at a lower end 24a of the duct 24.
0 is arranged.

背壁10の前面には凹所が設けられて、ダクト24の下端
部24aから熱交換器28の途中の高さまで上下方向に伸び
る主バイパス32が形成されている。熱交換器28の後面
は、主バイパス32の形成部分以外では背壁10の内面に接
している。更に、仕切壁22の後面にも凹所が設けられ
て、ここに補助バイパス34が形成されている。ただし、
この補助バイパス34を形成する凹所は、主バイパス32の
上端32aより低い位置に下端34aを、この上端32aより高
い位置に上端34bをそれぞれ有する。熱交換器28の前面
は、補助バイパス34の形成部分以外では仕切壁22の後面
に接している。
A recess is provided in the front surface of the back wall 10, and a main bypass 32 extending vertically from the lower end 24a of the duct 24 to a height halfway through the heat exchanger 28 is formed. The rear surface of the heat exchanger 28 contacts the inner surface of the back wall 10 except for the portion where the main bypass 32 is formed. Further, a recess is also provided on the rear surface of the partition wall 22, where an auxiliary bypass 34 is formed. However,
The recess forming the auxiliary bypass 34 has a lower end 34a at a position lower than the upper end 32a of the main bypass 32 and an upper end 34b at a position higher than the upper end 32a. The front surface of the heat exchanger 28 is in contact with the rear surface of the partition wall 22 except for the portion where the auxiliary bypass 34 is formed.

図示はしないがダクト24の上端部24bにはファンが設
けられ、冷凍室16及び冷蔵室18からダクト24の下端部24
a内に吸込まれた空気は、熱交換器28で冷却された後、
ファンによって再び冷凍室16及び冷蔵室18内に送給され
る。ただし、ダクト24の下端部24a内に吸込まれた空気
の一部は、主バイパス32を通して熱交換器28の中間段の
フィンまで導かれて、ダクト24内を上昇する他の空気と
合流する。
Although not shown, a fan is provided at the upper end 24b of the duct 24, and the lower end 24
After the air sucked into a is cooled by the heat exchanger 28,
The water is again supplied into the freezing room 16 and the refrigerating room 18 by the fan. However, a part of the air sucked into the lower end 24a of the duct 24 is guided to the intermediate fins of the heat exchanger 28 through the main bypass 32 and merges with other air rising in the duct 24.

この際、補助バイパス34の下端34aが主バイパス32の
上端32aより低い位置にあるから、合流点付近の空気流
路の総断面積はこれより低い位置に比較して大きくなっ
ており、合流点付近の流速は他の部分より小さい。した
がって、主バイパス32を上昇する比較的高温高湿のまま
の空気が合流点に供給されても、この合流点近傍の熱交
換器フィンに局所的な着霜を生じることはない。しか
も、補助バイパス34は主バイパス32の形成壁に対向する
壁に設けられているため、比較的高温高湿の空気が主バ
イパス32から直接補助バイパス34に流入することはな
く、必ず熱交換器28で冷やされる。したがって、補助バ
イパス34の上端34bからダクト24内に流入する空気が、
この上端近傍の熱交換器フィンに局所的な着霜を生じる
こともない。また、主バイパス32を仕切壁22側に、補助
バイパス34を背壁10側にそれぞれ設ける場合に比較し
て、本実施例の場合には庫外への熱漏洩量が小さくな
る。
At this time, since the lower end 34a of the auxiliary bypass 34 is located at a position lower than the upper end 32a of the main bypass 32, the total cross-sectional area of the air flow path near the junction is larger than that at the lower position, and The flow velocity in the vicinity is smaller than in other parts. Therefore, even if the relatively high-temperature and high-humidity air rising through the main bypass 32 is supplied to the junction, local frost does not occur on the heat exchanger fins near the junction. Moreover, since the auxiliary bypass 34 is provided on the wall opposite to the wall forming the main bypass 32, relatively high-temperature and high-humidity air does not flow directly from the main bypass 32 to the auxiliary bypass 34, and the heat exchanger Cooled at 28. Therefore, the air flowing into the duct 24 from the upper end 34b of the auxiliary bypass 34,
There is no local frost formation on the heat exchanger fins near the upper end. Further, in the case of the present embodiment, the amount of heat leakage to the outside of the refrigerator is smaller than when the main bypass 32 is provided on the partition wall 22 side and the auxiliary bypass 34 is provided on the back wall 10 side.

第4図は、本発明の他の実施例に係る冷蔵庫の熱交換
器配設部分の縦断面図である。
FIG. 4 is a longitudinal sectional view of a portion where a heat exchanger of a refrigerator according to another embodiment of the present invention is provided.

同図に示す冷蔵庫では、前記と同様の主バイパス32及
び補助バイパス34に加えて、第2、第3の補助バイパス
36,38を設けている。背壁10側に設けられる第2補助バ
イパス36の下端36aは、第1補助バイパス34の上端34bよ
り低い位置にある。仕切壁22側に設けられる第3補助バ
イパス38の下端38aは、第2補助バイパス36の上端36aよ
り低い位置にある。この第3補助バイパス38の上端38b
は、第2補助バイパス36の上端36bより高く、熱交換器2
8の上端より低い位置にある。
In the refrigerator shown in the figure, in addition to the same main bypass 32 and auxiliary bypass 34 as described above, second and third auxiliary bypasses are provided.
36, 38 are provided. The lower end 36a of the second auxiliary bypass 36 provided on the back wall 10 is at a position lower than the upper end 34b of the first auxiliary bypass 34. The lower end 38a of the third auxiliary bypass 38 provided on the partition wall 22 side is located lower than the upper end 36a of the second auxiliary bypass 36. The upper end 38b of the third auxiliary bypass 38
Is higher than the upper end 36b of the second auxiliary bypass 36,
It is lower than the top of 8.

この場合には、第1補助バイパス34の下端34aの高さ
と主バイパス32の上端32aの高さとの間、第2補助バイ
パス36の下端36aの高さと第1補助バイパス34の上端34b
の高さとの間及び第3補助バイパス38の下端38aと第2
補助バイパス36の上端36bとの間では空気流路の総断面
積が他の位置に比較して大きくなっているから、主バイ
パス32、第1補助バイパス34及び第2補助バイパス36の
それぞれからダクト24への合流点付近の流速が小さくな
る。したがって、各合流点近傍の熱交換器フィンについ
て着霜の集中化が緩和される。
In this case, between the height of the lower end 34a of the first auxiliary bypass 34 and the height of the upper end 32a of the main bypass 32, the height of the lower end 36a of the second auxiliary bypass 36 and the upper end 34b of the first auxiliary bypass 34
And the lower end 38a of the third auxiliary bypass 38 and the second
Since the total cross-sectional area of the air passage between the upper end 36b of the auxiliary bypass 36 is larger than that of the other positions, the duct is provided from each of the main bypass 32, the first auxiliary bypass 34, and the second auxiliary bypass 36. The flow velocity near the junction with 24 decreases. Therefore, concentration of frost on the heat exchanger fins near each junction is reduced.

[発明の効果] 以上に説明したように、本発明の冷蔵庫は、熱交換器
の側面に沿って壁を設けてダクトを構成し、一方の壁に
ダクトの空気流入端から熱交換器の途中の位置まで伸び
る凹所を設けて主バイパスを形成するとともに、対向す
る壁に、主バイパスの終端より上流側に起端を、下流側
に終端をそれぞれ有する凹所を設けて補助バイパスを更
に形成したものであるから、熱交換器への局所的着霜を
防いで着霜分布の均一化をはかることができる。したが
って、幅の狭い熱交換器の場合であっても、除霜間隔の
延長をはかることができる。
[Effects of the Invention] As described above, the refrigerator of the present invention is configured such that a wall is provided along the side surface of the heat exchanger to form a duct, and one of the walls extends from the air inflow end of the duct to the middle of the heat exchanger. The main bypass is formed by providing a recess extending to the position of, and the auxiliary bypass is further formed by providing a recess having a starting end upstream of the end of the main bypass and a downstream end thereof on the opposing wall. Therefore, local frost formation on the heat exchanger can be prevented and uniform distribution of frost formation can be achieved. Therefore, even in the case of a narrow heat exchanger, the defrost interval can be extended.

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

第1図は本発明の実施例に係る冷蔵庫の熱交換器配設部
分の縦断面図、第2図は前図のII−II断面図、第3図は
第1図のIII−III断面図、第4図は本発明の実施例に係
る冷蔵庫の第1図と同様の図、第5図は従来の冷蔵庫の
第1図と同様の図である。 符号の説明 10……背壁、12……側壁、14……中間壁、16……冷凍
室、18……冷蔵室、22……仕切壁、24……ダクト、28…
…熱交換器、32……主バイパス、34,36,38……補助バイ
パス。
FIG. 1 is a longitudinal sectional view of a portion where a heat exchanger of a refrigerator according to an embodiment of the present invention is provided, FIG. 2 is a sectional view taken along line II-II of the preceding figure, and FIG. 3 is a sectional view taken along line III-III of FIG. FIG. 4 is a view similar to FIG. 1 of a refrigerator according to an embodiment of the present invention, and FIG. 5 is a view similar to FIG. 1 of a conventional refrigerator. Description of reference numerals 10 ... back wall, 12 ... side wall, 14 ... intermediate wall, 16 ... freezer compartment, 18 ... refrigerator compartment, 22 ... partition wall, 24 ... duct, 28 ...
... heat exchanger, 32 ... main bypass, 34, 36, 38 ... auxiliary bypass.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭52−32154(JP,A) 特開 昭61−291883(JP,A) 実開 昭55−127982(JP,U) 実開 昭60−16976(JP,U) 実開 昭59−184081(JP,U) 実開 昭53−6960(JP,U) ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-52-32154 (JP, A) JP-A-61-291883 (JP, A) 16976 (JP, U) Fully open 59-184081 (JP, U) Fully open, 53-6960 (JP, U)

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】熱交換器の側面に沿って壁を設けてダクト
を構成した冷蔵庫であって、一方の壁にダクトの空気流
入端から熱交換器の途中の位置まで伸びる凹所を設けて
主バイパスを形成するとともに、 対向する壁に、主バイパスの終端より上流側に起端を、
下流側に終端をそれぞれ有する凹所を設けて、前記主バ
イパスとその一部が重なるように補助バイパスを更に形
成し、 前記熱交換器は、複数枚の独立したフィンを多段に組合
わせたフィンチューブ式熱交換器であり、前記重なり部
分の近傍段の前記フィンの配設ピッチをこれに隣接する
上流側の段のフィンの配設ピッチより小さくした ことを特徴とする冷蔵庫。
1. A refrigerator in which a wall is provided along a side surface of a heat exchanger to form a duct, and a recess is provided in one wall extending from an air inflow end of the duct to a position halfway in the heat exchanger. While forming the main bypass, the starting wall on the opposing wall is located upstream from the end of the main bypass,
An auxiliary bypass is further formed so that a concave portion having a terminal end is provided on the downstream side, and an auxiliary bypass is formed so that the main bypass partially overlaps the main bypass. The heat exchanger includes a plurality of independent fins combined in multiple stages. A refrigerator comprising a tube type heat exchanger, wherein the arrangement pitch of the fins in the stage near the overlapping portion is smaller than the arrangement pitch of the fins in the upstream stage adjacent thereto.
JP1072068A 1989-03-24 1989-03-24 refrigerator Expired - Fee Related JP2575488B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1072068A JP2575488B2 (en) 1989-03-24 1989-03-24 refrigerator
KR1019900004065A KR940000137B1 (en) 1989-03-24 1990-03-24 Refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1072068A JP2575488B2 (en) 1989-03-24 1989-03-24 refrigerator

Publications (2)

Publication Number Publication Date
JPH02251077A JPH02251077A (en) 1990-10-08
JP2575488B2 true JP2575488B2 (en) 1997-01-22

Family

ID=13478715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1072068A Expired - Fee Related JP2575488B2 (en) 1989-03-24 1989-03-24 refrigerator

Country Status (2)

Country Link
JP (1) JP2575488B2 (en)
KR (1) KR940000137B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100597675B1 (en) * 2004-12-17 2006-07-10 삼성전자주식회사 Refrigerator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818585B2 (en) * 1975-09-05 1983-04-13 三洋電機株式会社 cooling box body
JPS61291883A (en) * 1985-06-19 1986-12-22 松下冷機株式会社 Cooling device for refrigerator, etc.

Also Published As

Publication number Publication date
KR900014842A (en) 1990-10-25
JPH02251077A (en) 1990-10-08
KR940000137B1 (en) 1994-01-07

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