KR19980018922U - Cold air circulation system of the refrigerator - Google Patents

Cold air circulation system of the refrigerator Download PDF

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Publication number
KR19980018922U
KR19980018922U KR2019960032334U KR19960032334U KR19980018922U KR 19980018922 U KR19980018922 U KR 19980018922U KR 2019960032334 U KR2019960032334 U KR 2019960032334U KR 19960032334 U KR19960032334 U KR 19960032334U KR 19980018922 U KR19980018922 U KR 19980018922U
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KR
South Korea
Prior art keywords
cold air
refrigerator
refrigerating chamber
duct
shelf
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Application number
KR2019960032334U
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Korean (ko)
Inventor
우성택
Original Assignee
배순훈
대우전자 주식회사
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR2019960032334U priority Critical patent/KR19980018922U/en
Publication of KR19980018922U publication Critical patent/KR19980018922U/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/028—Cooled supporting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/063—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation with air guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts

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  • 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)

Abstract

본 고안은 냉장고의 냉기순환장치에 있어서, 냉장실 내에 설치되는 선반에서 냉기가 토출되도록 함으로서 냉장실 후방 및 냉장실도어 측의 온도차를 줄여 냉각효과를 상승시킴과 동시에, 선반 고유의 기능을 수행하는 냉장고의 냉기순환장치를 제공하기 위하여 냉장실 후방에 설치되어 냉기를 냉장실로 토출하는 덕트와; 냉장실 양 측벽에 형성되어 냉기를 상기 덕트로부터 냉장실로 안내하는 안내홈과; 상기 안내홈에 끼워져 설치되는 선반이 구비됨을 특징으로 한다.The present invention provides a cold air circulation device of a refrigerator, by which cold air is discharged from a shelf installed in a refrigerator compartment, thereby reducing the temperature difference between the rear side of the refrigerator compartment and the side of the refrigerator compartment door, thereby increasing the cooling effect, and at the same time, performing a unique function of the shelf. A duct installed at the rear of the refrigerating compartment to provide a circulation device and discharging cold air into the refrigerating compartment; Guide grooves formed on both sidewalls of the refrigerating chamber to guide cold air from the duct to the refrigerating chamber; Characterized in that the shelf is fitted to be installed in the guide groove.

Description

냉장고의 냉기순환장치Cold air circulation system of the refrigerator

도1은 종래 냉장고 냉기순환장치의 측단면도로서, 상단에 냉동실(1)과 하단에 냉장실(2) 및 냉장실도어(2a)가 구비되고, 상기 냉동실(1) 후방에 공기를 냉각시키는 증발기(4)와, 상기 증발기(4)가 설치되는 증발실(5)이 구비되며, 상기 증발실(5)에서 냉각된 공기를 냉동실(1) 및 냉장실(2)로 빠르게 공급되도록 바람을 일으키는 팬(3)과, 냉장실(2)로 냉기를 토출하는 덕트(7)와, 상기 증발실(5)과 덕트(7)를 연결하고 상기 팬(3)에 의하여 공급되는 냉기를 덕트(7)로 유도하는 연결통로(6)와, 냉동실(1) 및 냉장실(2)로 순환된 냉기를 증발실(5)로 회수하는 회수관(5a)으로 구성된다.1 is a side cross-sectional view of a conventional refrigerator cold air circulation device having a freezer compartment 1 at an upper end and a refrigerating compartment 2 and a refrigerating compartment door 2a at a lower end thereof, and an evaporator 4 cooling air behind the freezer compartment 1. And an evaporation chamber (5) in which the evaporator (4) is installed, and a fan (3) generating wind so that the air cooled in the evaporation chamber (5) is rapidly supplied to the freezing chamber (1) and the refrigerating chamber (2). ), A duct (7) for discharging cold air into the refrigerating chamber (2), and the evaporation chamber (5) and the duct (7) to connect the cold air supplied by the fan (3) to the duct (7) It comprises a connecting passage 6 and a recovery pipe 5a for recovering the cold air circulated to the freezing chamber 1 and the refrigerating chamber 2 to the evaporation chamber 5.

상기와 같이 구성된 종래 냉장고의 냉기순환장치는 먼저 증발기(4)에 의하여 증발실(5)의 공기가 냉각되어 냉기가 발생되고, 이 냉기는 팬(3)에 의하여 냉동실(1)로 공급된다.In the conventional cold air circulation device of the refrigerator configured as described above, the air of the evaporation chamber 5 is cooled by the evaporator 4 to generate cold air, and the cold air is supplied to the freezing chamber 1 by the fan 3.

동시에 상기 냉기는 연결통로(6)를 따라 냉장실(2) 후방의 덕트(7)로 유입되어 냉장실(2) 내부로도 공급된다.At the same time, the cold air flows into the duct 7 behind the refrigerating chamber 2 along the connection passage 6 and is also supplied into the refrigerating chamber 2.

따라서, 냉동실(1) 및 냉장실(2)이 적정온도로 냉각되어 보관된 식품 등이 장시간 동안 신선도를 유지하게 된다.Therefore, the freezer compartment 1 and the refrigerating compartment 2 are cooled to an appropriate temperature and the food and the like are kept fresh for a long time.

이후, 회수관(5a)으로 상기 냉기가 회수되어 다시 증발실(5)에서 냉각되어 재차 냉동실(1) 및 냉장실(2)로 공급되는 과정이 반복 수행되어 냉기가 순환된다.Thereafter, the cold air is recovered to the recovery pipe 5a, cooled again in the evaporation chamber 5, and supplied again to the freezing chamber 1 and the refrigerating chamber 2 to circulate the cold air.

그러나, 이러한 종래 냉장고의 냉기순환장치는 덕트에서만 냉기가 토출됨으로서 덕트 앞쪽의 온도와 냉장고도어 쪽의 온도차가 많고, 또한 덕트 앞에 보관된 식품이 많을 경우 냉기의 토출이 어려워 냉각 효과가 떨어지는 문제점이 있다.However, the conventional cold air circulation device of the refrigerator has a problem that the cold air is discharged only in the duct, so that the temperature difference between the temperature in front of the duct and the refrigerator door side, and when there is a lot of food stored in front of the duct, it is difficult to discharge the cold air cooling effect is reduced. .

따라서 본 고안은 증발기에 의하여 냉각된 냉기가 덕트를 통해 냉장실로 순환됨에 있어서, 냉장실 후방에 설치되어 냉기를 냉장실로 토출하는 덕트와; 냉장실 양 측벽에 형성되어 냉기를 상기 덕트로부터 냉장실로 안내하는 안내홈과; 상기 안내홈에 끼워져 설치되는 선반이 구비됨을 특징으로 한다.Therefore, the present invention is a cold air cooled by the evaporator circulated to the refrigerating chamber through the duct, the duct is installed in the rear of the refrigerating chamber to discharge the cold air into the refrigerating chamber; Guide grooves formed on both sidewalls of the refrigerating chamber to guide cold air from the duct to the refrigerating chamber; Characterized in that the shelf is fitted to be installed in the guide groove.

도 1은 종래 냉장고 냉기순환장치의 측단면도.1 is a side cross-sectional view of a conventional refrigerator cold air circulation device.

도 2는 본 고안 냉장고 냉기순환장치의 분해사시도.Figure 2 is an exploded perspective view of the present invention refrigerator cold air circulation device.

도 3은 본 고안 냉장고 냉기순환장치의 일부발췌 종단면도.Figure 3 is a partial cross-sectional view of the present invention refrigerator cold air circulation apparatus.

도 4는 상기 도 3의 A-A'선의 단면도.4 is a cross-sectional view taken along line AA ′ of FIG. 3.

도면의 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings

7-덕트,8-측벽,7-duct, 8-side wall,

10-안내홈,20-토출관,10-Guide Home,

30-토출구,40-선반.30-discharge outlet, 40-shelf.

이하 본 고안의 바람직한 일 실시예를 첨부 도면에 따라 상세히 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도2는 본 고안 냉장고 냉기순환장치의 분해사시도로서, 상단에 냉동실(1)과 하단에 냉장실(2) 및 냉장실도어(2a)가 구비되고, 상기 냉동실(1) 후방에 공기를 냉각시키는 증발기(4)와, 상기 증발기(4)가 설치되는 증발실(5)이 구비되며, 상기 증발실(5)에서 냉각된 공기를 냉동실(1) 및 냉장실(2)로 빠르게 공급되도록 바람을 일으키는 팬(3)과, 냉장실(2)로 냉기를 토출하는 덕트(7)와, 상기 증발실(5)과 덕트(7)를 연결하고 상기 팬(3)에 의하여 공급되는 냉기를 덕트(7)로 유도하는 연결통로(6)와, 냉동실(1) 및 냉장실(2)로 순환된 냉기를 증발실(5)로 회수하는 회수관(5a)으로 구성되며, 그리고 냉장실(2) 양 측벽(8)에 형성되어 냉기를 상기 덕트(7)로부터 냉장실로 안내하는 안내홈(10)과, 상기 안내홈(10)에 끼워져 설치되는 선반(40)이 구비된다.Figure 2 is an exploded perspective view of the refrigerator cold air circulation device of the present invention, the freezer compartment (1) at the top and the refrigerating chamber (2) and the refrigerating chamber door (2a) is provided at the bottom, the evaporator for cooling the air behind the freezer (1) ( 4) and an evaporation chamber 5 in which the evaporator 4 is installed, and a fan for generating wind so that the air cooled in the evaporation chamber 5 is rapidly supplied to the freezing chamber 1 and the refrigerating chamber 2. 3), a duct 7 for discharging cold air into the refrigerating chamber 2, the evaporation chamber 5 and the duct 7 are connected, and the cold air supplied by the fan 3 is guided to the duct 7 The connecting passage 6 and the recovery pipe 5a for recovering the cold air circulated to the freezing chamber 1 and the refrigerating chamber 2 to the evaporation chamber 5, and on both sidewalls 8 of the refrigerating chamber 2. A guide groove 10 is formed and guides cold air from the duct 7 to the refrigerating chamber, and a shelf 40 is inserted into the guide groove 10.

또한, 상기 선반(40)은 상기 안내홈(10)에서 나오는 냉기를 선반(40) 내부로 유입하는 토출관(20)과; 상기 토출관(20) 저면에 형성되어 냉기를 냉장실(2)로 토출하는 다수개의 토출구(30)로 구성된다.In addition, the shelf 40 includes a discharge tube 20 for introducing cold air from the guide groove 10 into the shelf 40; It is composed of a plurality of discharge ports 30 formed on the bottom surface of the discharge tube 20 for discharging cold air to the refrigerating chamber (2).

도 3은 본 고안 냉장고 냉기순환장치의 일부발췌 종단면도로서, 냉장실(2) 후방에 형성된 덕트(7)와, 냉장실(2)의 외관을 형성하는 양 측벽(8)과, 상기 양 측벽(8)에 형성되어 덕트(7)로부터의 냉기를 토출관(20)으로 안내하는 안내홈(10)과, 상기 안내홈(10)에 끼워지는 선반(40)과, 상기 선반(40)의 내부에 형성되어 저면에 다수개의 토출구(30)가 형성된 토출관(20)으로 구성된다.3 is a partial vertical cross-sectional view of the refrigerator cold air circulation device of the present invention, the duct 7 formed at the rear of the refrigerating compartment 2, both sidewalls 8 forming the appearance of the refrigerating compartment 2, and the side walls 8. A guide groove 10 which is formed in the guide groove and guides the cool air from the duct 7 to the discharge pipe 20, the shelf 40 fitted to the guide groove 10, and the inside of the shelf 40. It is formed of a discharge tube 20 is formed with a plurality of discharge ports 30 on the bottom.

그리고, 도 4는 상기 도 3의 A-A'선의 단면도이다.4 is a cross-sectional view taken along the line AA ′ of FIG. 3.

이와 같이 구성된 본 고안의 작용을 설명하면, 먼저 증발기(4)에 의하여 증발실(5)의 공기가 냉각되어 냉기가 발생되고, 이 냉기는 팬(3)에 의하여 냉동실(1)로 공급된다.Referring to the operation of the present invention configured as described above, the air in the evaporation chamber 5 is cooled by the evaporator 4 to generate cold air, and the cold air is supplied to the freezing chamber 1 by the fan 3.

동시에 상기 냉기는 연결통로(6)를 따라 냉장실(2) 후방의 덕트(7)로 유입되어 냉장실(2) 내부로도 공급된다.At the same time, the cold air flows into the duct 7 behind the refrigerating chamber 2 along the connection passage 6 and is also supplied into the refrigerating chamber 2.

이후, 냉장실(2) 덕트(7)로 공급된 냉기의 일부는 냉장실(2) 측벽(8)에 형성된 안내홈(10)을 따라 선반(40) 내부에 형성된 토출관(20)으로 유입된다.Subsequently, a part of the cold air supplied to the refrigerating compartment 2 duct 7 flows into the discharge tube 20 formed inside the shelf 40 along the guide groove 10 formed in the side wall 8 of the refrigerating compartment 2.

상기 선반(8)의 상측에는 식품 등을 올려놓게 되며, 내부에 형성된 토출관(20)으로 유입된 냉기는 저면에 형성된 다수개의 토출구(30)를 통하여 냉장실(2) 내부 및 냉장실도어(2a)측으로 토출되어 냉장실(2)이 고루 냉각된다.On the upper side of the shelf 8, food, etc. are placed, and the cold air introduced into the discharge tube 20 formed therein is inside the refrigerating chamber 2 and the refrigerating chamber door 2a through a plurality of discharge ports 30 formed at the bottom thereof. Discharged to the side, and the refrigerating chamber 2 is uniformly cooled.

따라서, 냉동실(1) 및 냉장실(2)이 적정온도로 냉각되고, 덕트(7)쪽과 냉장실도어(2a) 쪽의 온도차가 적어 냉장실(2) 전체에 식품 등의 보관이 용이하게 된다.Therefore, the freezing chamber 1 and the refrigerating chamber 2 are cooled to an appropriate temperature, and the temperature difference between the duct 7 side and the refrigerating chamber door 2a is small, so that food and the like are easily stored in the entire refrigerating chamber 2.

따라서 본 고안은 냉장실 내에 설치되는 선반에서 냉기가 토출되도록 함으로서 냉장실 후방 및 냉장실도어 측의 온도차를 줄여 냉각효과를 상승시킴과 동시에, 선반 고유의 기능을 수행토록 하는 효과가 있다.Therefore, the present invention increases the cooling effect by reducing the temperature difference between the rear side of the refrigerating chamber and the refrigerating chamber door by discharging cold air from the shelf installed in the refrigerating compartment, and at the same time, performs the unique function of the shelf.

본 고안은 냉장고의 냉기순환장치에 관한 것으로서, 더욱 상세하게는 냉장실 내에 설치되는 선반에서 냉기가 토출되도록 함으로서 냉장실 후방 및 냉장실도어 측의 온도차를 줄여 냉각효과를 상승시킴과 동시에, 선반 고유의 기능을 수행하는 냉장고의 냉기순환장치에 관한 것이다.The present invention relates to a cold air circulation device of a refrigerator, and more particularly, by discharging cold air from a shelf installed in the refrigerator compartment, reducing the temperature difference between the rear side of the refrigerator compartment and the side of the refrigerator compartment door to increase the cooling effect and at the same time improving the unique function of the shelf. It relates to a cold air circulation device of the refrigerator to perform.

Claims (2)

증발기에 의하여 냉각된 냉기가 덕트를 통해 냉장실로 순환됨에 있어서,In the cold air cooled by the evaporator is circulated through the duct to the refrigerator compartment, 냉장실(2) 후방에 설치되어 냉기를 냉장실(1)로 토출하는 덕트(7)와;A duct 7 installed at the rear of the refrigerating chamber 2 to discharge cold air to the refrigerating chamber 1; 냉장실(2) 양 측벽(8)에 형성되어 냉기를 상기 덕트(7)로부터 냉장실(1)로 안내하는 안내홈(10)과;Guide grooves (10) formed on both sidewalls (8) of the refrigerating chamber (2) to guide cold air from the duct (7) to the refrigerating chamber (1); 상기 안내홈(10)에 끼워져 설치되는 선반(40)이 구비됨을 특징으로 한 냉장고의 냉기순환장치.Refrigerator air circulation system of the refrigerator, characterized in that the shelf 40 is inserted into the guide groove 10 is installed. 제1항에 있어서, 상기 선반(40)은 상기 안내홈(10)에서 나오는 냉기를 선반(40) 내부로 유입하는 토출관(20)과; 상기 토출관(20) 저면에 형성되어 냉기를 냉장실(2)로 토출하는 다수개의 토출구(30)가 구비됨을 특징으로 한 냉장고의 냉기순환장치.According to claim 1, The shelf 40 is a discharge pipe 20 for introducing the cold air from the guide groove 10 into the shelf (40); And a plurality of discharge ports (30) formed on a bottom surface of the discharge tube (20) to discharge cold air to the refrigerating chamber (2).
KR2019960032334U 1996-09-30 1996-09-30 Cold air circulation system of the refrigerator KR19980018922U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100451353B1 (en) * 2001-11-23 2004-10-06 주식회사 엘지이아이 Apparatus for supply the cool air of refrigerator
KR101327739B1 (en) * 2013-08-27 2013-11-11 주식회사 스노파 A freezer
KR102459820B1 (en) * 2022-04-28 2022-10-26 최원철 Pallet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100451353B1 (en) * 2001-11-23 2004-10-06 주식회사 엘지이아이 Apparatus for supply the cool air of refrigerator
KR101327739B1 (en) * 2013-08-27 2013-11-11 주식회사 스노파 A freezer
KR102459820B1 (en) * 2022-04-28 2022-10-26 최원철 Pallet

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