KR20000008426A - Indoor apparatus of divided type air conditioner - Google Patents

Indoor apparatus of divided type air conditioner Download PDF

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Publication number
KR20000008426A
KR20000008426A KR1019980028225A KR19980028225A KR20000008426A KR 20000008426 A KR20000008426 A KR 20000008426A KR 1019980028225 A KR1019980028225 A KR 1019980028225A KR 19980028225 A KR19980028225 A KR 19980028225A KR 20000008426 A KR20000008426 A KR 20000008426A
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South Korea
Prior art keywords
outer casing
air conditioner
indoor
drive motor
heat exchange
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KR1019980028225A
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Korean (ko)
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KR100294337B1 (en
Inventor
김동욱
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윤종용
삼성전자 주식회사
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Application filed by 윤종용, 삼성전자 주식회사 filed Critical 윤종용
Priority to KR1019980028225A priority Critical patent/KR100294337B1/en
Priority to CNB991010205A priority patent/CN1181291C/en
Priority to ES009900096A priority patent/ES2171338B1/en
Priority to IT1999TO000479A priority patent/IT1308077B1/en
Publication of KR20000008426A publication Critical patent/KR20000008426A/en
Application granted granted Critical
Publication of KR100294337B1 publication Critical patent/KR100294337B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

PURPOSE: An indoor apparatus of a divided type air conditioner is provided to prevent the temperature of discharged air from rising by intercepting a driving motor from a heat exchange room. CONSTITUTION: The indoor apparatus of a divided type air conditioner has:a heat exchange room comprising an outer casing(2) and the whole surface of a cover(3) that is combined with the whole surface of the outer casing; an indoor heat exchanging device(7) exchanging the heat of coolant that is condensed from an outdoor heat exchanging device, with indoor air; a ventilating fan(8) installed along the length direction of a body(1); and a supporting bearing supporting a ventilating fan part(8a) when the ventilating fan revolves.

Description

분리형 공조기기의 실내기Indoor unit of separate air conditioning unit

본 발명은 분리형 공조기기의 실내기에 관한 것으로서, 보다 상세하게는, 본체내에 구동모터를 격리수용함으로써, 열교환효율을 향상시킬 수 있도록 한 분리형 공조기기의 실내기에 관한 것이다.The present invention relates to an indoor unit of a separate air conditioner, and more particularly, to an indoor unit of a separate air conditioner to improve heat exchange efficiency by isolating the drive motor in the main body.

공조기기는, 실내의 일측벽에 설치되어 실내공기를 열교환하는 실내기와, 실외에 설치되어 실내로부터의 냉매를 열교환하는 실외기를 가진다. 여기서, 실외기에는 냉매를 고온고압으로 압축하는 압축기와, 압축기로부터의 냉매를 열교환하는 실외열교환기가 설치되어 있다.The air conditioner includes an indoor unit installed on one side wall of the room to heat-exchange the indoor air and an outdoor unit installed outdoor to heat-exchange the refrigerant from the room. Here, the outdoor unit is provided with a compressor for compressing the refrigerant at high temperature and high pressure, and an outdoor heat exchanger for exchanging the refrigerant from the compressor.

한편, 실내기 본체는, 도 4 및 도 5에 도시된 바와 같이, 외부케이싱(52)과, 외부케이싱(52)의 전면에 결합되는 전면커버(53)를 포함하며, 전면커버(53)의 전면과 상부에는 실내로부터의 공기가 흡입되는 흡입구(55)가 형성되어 있고, 전면커버(53)의 하부에는 열교환된 공기가 토출되는 토출구(59)가 형성되어 있다.Meanwhile, as shown in FIGS. 4 and 5, the indoor unit main body includes an outer casing 52 and a front cover 53 coupled to the front surface of the outer casing 52, and the front surface of the front cover 53. The upper and upper portions are formed with an intake port 55 through which air from the room is sucked, and a discharge port 59 through which heat-exchanged air is discharged is formed under the front cover 53.

이러한 본체(51)내에는, 도시않은 실외열교환기로부터 응축된 냉매를 실내공기와 열교환하는 실내열교환기(57)가 설치되어 있으며, 실내열교환기(57)의 후방에는 실내공기를 흡입하여 토출하는 송풍팬(58)이 본체(51)의 길이방향을 따라 설치되어 있다. 여기서, 송풍팬(58)은 길이방향을 따라 한 쌍의 송풍팬부분(58a)으로 분할되어 있으며, 송풍팬부분(58a)이 연결되는 중앙영역에는 각 송풍팬부분(58a)의 축에 연결되는 구동모터(60)가 설치되어 있다. 그리고, 송풍팬부분(58a)의 양측 말단부에는 송풍팬부분(58a)의 회전시 송풍팬부분(58a)을 지지하는 지지베어링(63)이 결합되어 있다.In the main body 51, an indoor heat exchanger 57 for exchanging refrigerant condensed from an outdoor heat exchanger (not shown) with indoor air is provided, and the indoor heat exchanger 57 sucks and discharges indoor air. The blowing fan 58 is provided along the longitudinal direction of the main body 51. Here, the blower fan 58 is divided into a pair of blower fan portions 58a along the longitudinal direction, and is connected to the shaft of each blower fan portion 58a in a central region to which the blower fan portion 58a is connected. The drive motor 60 is provided. In addition, support bearings 63 supporting the blowing fan portion 58a are coupled to both end portions of the blowing fan portion 58a when the blowing fan portion 58a is rotated.

한편, 외부케이싱(52)의 내측벽에는 구동모터(60)의 고정을 위한 고정부가 형성되어 있으며, 고정부는 외부케이싱(52)의 판면으로부터 전방으로 돌출한 한 쌍의 고정아암(56)으로 형성되어 있다. 각 고정아암(56)에는 구동모터(60)의 구동축이 통과하는 축공(56a)이 형성되어 있다.On the other hand, a fixing portion for fixing the drive motor 60 is formed on the inner wall of the outer casing 52, and the fixing portion is formed of a pair of fixing arms 56 protruding forward from the plate surface of the outer casing 52. It is. Each fixed arm 56 has a shaft hole 56a through which the drive shaft of the drive motor 60 passes.

이러한 공조기기의 운전시, 압축기가 구동하여 냉매를 순환시키며, 구동모터(60)가 구동하여 송풍팬(58)을 회전시키게 된다. 송풍팬(58)의 회전에 따라, 전면커버(53)의 흡입구(55)를 통해 실내공기가 본체(51)내로 유입되고, 유입된 실내공기는 실내열교환기(57)를 통과하면서 열교환된다. 열교환된 공기는 송풍팬(58)을 통과하여 전면커버(53)의 하부에 형성된 토출구(59)를 통해 실내로 토출되게 된다.When the air conditioner is operated, the compressor is driven to circulate the refrigerant, and the driving motor 60 is driven to rotate the blower fan 58. As the blower fan 58 rotates, the indoor air flows into the main body 51 through the suction port 55 of the front cover 53, and the indoor air flows through the indoor heat exchanger 57 and exchanges heat. The heat-exchanged air passes through the blower fan 58 to be discharged into the room through the discharge hole 59 formed in the lower portion of the front cover 53.

그런데, 이러한 공조기기의 운전시간이 경과함에 따라, 구동모터(60)는 열을 발생하게 되며, 이에 따라, 실내열교환기에서 열교환된 공기는 송풍팬(58)과 구동모터(60)를 통과하면서 구동모터(60)의 열에 의해 온도가 상승하게 된다. 따라서, 실내열교환기(57)를 통과한 공기의 열손실이 발생하며, 전체적인 공조기기의 열교환효율이 저하된다는 문제점이 있다.However, as the operation time of such an air conditioning apparatus elapses, the driving motor 60 generates heat. As a result, the air heat-exchanged in the indoor heat exchanger passes through the blower fan 58 and the driving motor 60. The temperature is increased by the heat of the drive motor 60. Therefore, the heat loss of the air passing through the indoor heat exchanger 57 occurs, there is a problem that the heat exchange efficiency of the overall air conditioning equipment is lowered.

따라서 본 발명의 목적은, 구동모터에서 발생하는 열에 의해 토출공기의 온도가 상승하는 것을 방지함으로써, 열교환효율을 향상시킬 수 있는 분리형 공조기기의 실내기를 제공하는 것이다.Accordingly, an object of the present invention is to provide an indoor unit of a separate type air conditioner which can improve the heat exchange efficiency by preventing the temperature of the discharged air from rising by the heat generated by the drive motor.

도 1은 본 고안에 따른 실내기의 측단면도,1 is a side cross-sectional view of an indoor unit according to the present invention,

도 2는 도 1의 실내기의 부분 분해사시도,2 is a partially exploded perspective view of the indoor unit of FIG. 1;

도 3은 도 2의 결합시 부분 횡단면도,3 is a partial cross-sectional view of the combination of FIG.

도 4는 종래의 실내기의 측단면도,4 is a side cross-sectional view of a conventional indoor unit;

도 5는 도 4의 실내기의 부분 분해사시도이다.5 is a partially exploded perspective view of the indoor unit of FIG. 4.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 본체 2 : 외부케이싱1: main body 2: outer casing

3 : 전면커버 7 : 실내열교환기3: front cover 7: indoor heat exchanger

8 : 송풍팬 8a : 송풍팬부분8: blower fan 8a: blower fan

10 : 구동모터 20 : 모터수용부10: drive motor 20: motor accommodating part

25 : 차단커버 26 : 방열공25: blocking cover 26: heat sink

상기 목적은, 본 발명에 따라, 외부케이싱과, 상기 외부케이싱의 전면에 결합되는 전면커버에 의해 열교환실을 형성하는 본체와; 상기 열교환실내에 장착되어 실내공기를 흡입 및 토출시키는 송풍팬과; 상기 송풍팬을 구동시키는 구동모터를 갖는 분리형 공조기기의 실내기에 있어서, 상기 본체내에 상기 구동모터가 상기 열교환실로부터 격리되도록 상기 구동모터를 수용하는 모터수용부를 갖는 것을 특징으로 하는 분리형 공조기기의 실내기에 의해 달성된다.The object is, according to the present invention, a main body forming a heat exchange chamber by the outer casing, the front cover coupled to the front surface of the outer casing; A blowing fan mounted in the heat exchange chamber to suck and discharge indoor air; An indoor unit of a separate type air conditioner having a drive motor for driving the blowing fan, the indoor unit of a separate air conditioner having a motor accommodating part for accommodating the drive motor in the main body so that the drive motor is isolated from the heat exchange chamber. Is achieved by.

여기서, 상기 모터수용부는, 상기 외부케이싱의 일영역이 상기 전면커버를 향해 반원통 형상으로 돌출되어 형성된 것이 바람직하다.Here, the motor accommodating portion, it is preferable that one region of the outer casing is formed to protrude in a semi-cylindrical shape toward the front cover.

그리고, 상기 외부케이싱의 가로방향을 따라 상기 모터수용부의 양측벽에는 상기 구동모터의 축이 관통되는 축공이 형성되어 있는 것이 바람직하다.Preferably, shaft holes through which the shaft of the drive motor penetrates are formed at both side walls of the motor accommodating portion in the horizontal direction of the outer casing.

또한, 상기 외부케이싱의 후방면에는 상기 모터수용부의 차단을 위한 차단커버가 결합되는 것이 바람직하다.In addition, the rear surface of the outer casing is preferably coupled to the blocking cover for blocking the motor receiving portion.

이하, 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the drawings.

실내기 본체는, 도 1에 도시된 바와 같이, 외부케이싱(2)과, 외부케이싱(2)의 전면에 결합되는 전면커버(3)로 이루어진 열교환실을 형성한다. 전면커버(3)의 전면과 상부에는 실내로부터의 공기가 흡입되는 흡입구(5)가 형성되어 있고, 전면커버(3)의 하부에는 열교환된 공기가 토출되는 토출구(9)가 형성되어 있다.As shown in FIG. 1, the indoor unit main body forms a heat exchange chamber including an outer casing 2 and a front cover 3 coupled to the front surface of the outer casing 2. An inlet port 5 through which air from the room is sucked is formed in the front and upper portions of the front cover 3, and a discharge port 9 through which heat-exchanged air is discharged is formed in the lower part of the front cover 3.

이러한 열교환실내에는, 도시않은 실외열교환기로부터 응축된 냉매를 실내공기와 열교환하는 실내열교환기(7)가 설치되어 있으며, 실내열교환기(7)의 후방에는 실내공기를 흡입하여 토출하는 송풍팬(8)이 본체(1)의 길이방향을 따라 설치되어 있다. 여기서, 송풍팬(8)은, 도 2 및 도 3에 도시된 바와 같이, 길이방향을 따라 중앙영역이 분할된 한 쌍의 송풍팬부분(8a)으로 이루어져 있으며, 각 송풍팬부분(8a)이 연결되는 중앙영역에는 각 송풍팬부분(8a)의 축에 연결되는 구동모터(10)가 설치되어 있다. 그리고, 송풍팬부분(8a)의 양측 말단부에는 송풍팬부분(8a)의 회전시 송풍팬부분(8a)을 지지하는 지지베어링(13)이 결합되어 있다.In the heat exchange chamber, an indoor heat exchanger (7) for exchanging refrigerant condensed from an outdoor heat exchanger (not shown) with the indoor air is provided, and a blower fan that sucks and discharges indoor air at the rear of the indoor heat exchanger (7). 8) is provided along the longitudinal direction of the main body 1. Here, the blower fan 8, as shown in Figs. 2 and 3, consists of a pair of blower fan portion 8a is divided into a central region along the longitudinal direction, each blower fan portion (8a) The driving motor 10 is connected to the shaft of each blower fan part 8a in the center area to which it is connected. Further, support bearings 13 for supporting the blowing fan portion 8a when the blowing fan portion 8a is rotated are coupled to both end portions of the blowing fan portion 8a.

한편, 외부케이싱(2)의 중앙영역에는 열교환실로부터 구동모터(10)를 분리수용하는 모터수용부(20)가 외부케이싱(2)과 일체로 형성되어 있다. 모터수용부(20)는, 외부케이싱(2)의 판면이 상하방향으로 둥근 반원통 형상으로 돌출되어 형성되며, 외부케이싱(2)의 가로방향의 양측면에는 구동모터(10)의 축이 관통하는 한 쌍의 축공(21)이 형성되어 있다.On the other hand, in the central region of the outer casing (2), a motor accommodating portion (20) for separating the drive motor (10) from the heat exchange chamber is formed integrally with the outer casing (2). The motor accommodating part 20 has a plate surface of the outer casing 2 protruding in a semi-cylindrical shape in a vertical direction, and the shafts of the driving motor 10 penetrate both sides of the outer casing 2 in the horizontal direction. A pair of shaft holes 21 are formed.

한편, 외부케이싱(2)의 외벽면에는 모터수용부(20)를 차단하는 판상의 차단커버(25)가 결합되며, 차단커버(25)에는 구동모터(10)의 냉각을 위한 다수의 방열공(26)이 판면을 관통하여 형성되어 있다. 그리고, 차단커버(25)에는 차단커버(25)를 외부케이싱(2)에 나사결합하기 위한 복수의 나사공(27)이 형성되어 있으며, 외부케이싱(2)에는 나사공(27)에 대응하며 나사가 수용되는 나사수용부(22)가 형성되어 있다.On the other hand, the outer wall surface of the outer casing (2) is coupled to the plate-shaped blocking cover 25 for blocking the motor accommodating portion 20, the plurality of heat dissipation holes for cooling the drive motor 10 to the blocking cover 25 (26) is formed penetrating the plate surface. In addition, a plurality of screw holes 27 are formed in the blocking cover 25 to screw the blocking cover 25 to the outer casing 2, and the outer casing 2 corresponds to the screw holes 27. The thread accommodating part 22 in which a screw is accommodated is formed.

이러한 구성에 의하여, 구동모터(10)의 축이 모터수용부(20)의 축공(21)을 통과하여 본체(1)내로 인출되도록 구동모터(10)를 모터수용부(20)내에 수용시킨 다음, 구동모터(10)의 축에 각 송풍팬부분(8a)들을 연결한다. 그런 다음, 외부케이싱(2)의 외벽면에 차단커버(25)의 나사공(27)과 외부케이싱(2)의 나사수용부(22)를 나사체결하여 차단커버(25)를 결합시킨다.By this configuration, the drive motor 10 is accommodated in the motor accommodating part 20 so that the shaft of the drive motor 10 passes through the shaft hole 21 of the motor accommodating part 20 and is drawn out into the main body 1. Connect the respective blower fan portions 8a to the shaft of the drive motor 10. Then, a screw hole 27 of the blocking cover 25 and a screw receiving portion 22 of the outer casing 2 are screwed to the outer wall surface of the outer casing 2 to couple the blocking cover 25.

이러한 공조기기의 운전시, 압축기가 구동하여 냉매를 순환시키며, 구동모터(10)가 구동하여 송풍팬(8)을 회전시키게 된다. 송풍팬(8)의 회전에 따라, 전면커버(3)의 흡입구(5)를 통해 실내공기가 열교환실내로 유입되고, 유입된 실내공기는 실내열교환기(7)를 통과하면서 열교환된다. 그런 다음, 열교환된 공기는 송풍팬(8)을 통과하여 전면커버(3)의 하부에 형성된 토출구(9)를 통해 실내로 토출되게 된다.When the air conditioner is operated, the compressor is driven to circulate the refrigerant, and the driving motor 10 is driven to rotate the blower fan 8. As the blower fan 8 rotates, indoor air flows into the heat exchange chamber through the suction port 5 of the front cover 3, and the indoor air flows through the indoor heat exchanger 7. Then, the heat-exchanged air passes through the blower fan 8 to be discharged into the room through the discharge hole 9 formed in the lower portion of the front cover 3.

이에 따라, 본체(1)내의 열교환실과 구동모터(10)를 차단함으로써, 종래에 송풍팬(8)의 구동시 구동모터(10)에서 발생하는 열에 의해 토출공기의 온도가 상승하던 것을 방지할 수 있다. 따라서, 열손실을 방지하여 전체적인 열교환효율을 향상시킬 수 있다.Accordingly, by blocking the heat exchange chamber and the drive motor 10 in the main body 1, it is possible to prevent the temperature of the discharged air from rising by the heat generated by the drive motor 10 when driving the blower fan 8 in the related art. have. Therefore, it is possible to prevent heat loss and improve the overall heat exchange efficiency.

이상에서 설명한 바와 같이, 본 발명에 따르면, 구동모터를 열교환실로부터 차단함으로써, 토출공기의 온도가 상승하는 것을 방지하여 열교환효율을 향상시킬 수 있다.As described above, according to the present invention, by blocking the drive motor from the heat exchange chamber, the temperature of the discharged air can be prevented from rising and the heat exchange efficiency can be improved.

Claims (4)

외부케이싱과, 상기 외부케이싱의 전면에 결합되는 전면커버에 의해 열교환실을 형성하는 본체와; 상기 열교환실내에 장착되어 실내공기를 흡입 및 토출시키는 송풍팬과; 상기 송풍팬을 구동시키는 구동모터를 갖는 분리형 공조기기의 실내기에 있어서,A main body forming a heat exchange chamber by an outer casing and a front cover coupled to a front surface of the outer casing; A blowing fan mounted in the heat exchange chamber to suck and discharge indoor air; In the indoor unit of the separate air conditioner having a drive motor for driving the blowing fan, 상기 본체내에 상기 구동모터가 상기 열교환실로부터 격리되도록 상기 구동모터를 수용하는 모터수용부를 갖는 것을 특징으로 하는 분리형 공조기기의 실내기.An indoor unit of a separate air conditioner having a motor accommodating part for accommodating the drive motor in the main body so that the drive motor is isolated from the heat exchange chamber. 제 1 항에 있어서,The method of claim 1, 상기 모터수용부는, 상기 외부케이싱의 일영역이 상기 전면커버를 향해 반원통 형상으로 돌출되어 형성된 것을 특징으로 하는 분리형 공조기기의 실내기.The motor accommodating unit, the indoor unit of the separate type air conditioner, characterized in that one region of the outer casing protrudes in a semi-cylindrical shape toward the front cover. 제 2 항에 있어서,The method of claim 2, 상기 외부케이싱의 가로방향을 따라 상기 모터수용부의 양측벽에는 상기 구동모터의 축이 관통되는 축공이 형성되어 있는 것을 특징으로 하는 분리형 공조기기의 실내기.Indoor units of the separate air conditioner, characterized in that the shaft hole through which the shaft of the drive motor is formed on both side walls of the motor accommodating portion along the horizontal direction of the outer casing. 제 3 항에 있어서,The method of claim 3, wherein 상기 외부케이싱의 후방면에는 상기 모터수용부의 차단을 위한 차단커버가 결합되는 것을 특징으로 하는 분리형 공조기기의 실내기.Indoor unit of a separate air conditioner, characterized in that the rear cover of the outer casing is coupled to the blocking cover for blocking the motor receiving portion.
KR1019980028225A 1998-07-13 1998-07-13 Indoor of separated air conditioning equipment KR100294337B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019980028225A KR100294337B1 (en) 1998-07-13 1998-07-13 Indoor of separated air conditioning equipment
CNB991010205A CN1181291C (en) 1998-07-13 1999-01-07 Indoor unit of air conditioner having motor partitioned from heat-exchange chamber
ES009900096A ES2171338B1 (en) 1998-07-13 1999-01-19 INTERIOR UNIT OF AN AIR CONDITIONER THAT HAS A MOTOR ISOLATED FROM A HEAT EXCHANGE CHAMBER.
IT1999TO000479A IT1308077B1 (en) 1998-07-13 1999-06-04 INTERIOR UNIT OF AN AIR CONDITIONER WITH A MOTOR SEPARATED FROM A HEAT EXCHANGER CHAMBER

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Application Number Priority Date Filing Date Title
KR1019980028225A KR100294337B1 (en) 1998-07-13 1998-07-13 Indoor of separated air conditioning equipment

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KR20000008426A true KR20000008426A (en) 2000-02-07
KR100294337B1 KR100294337B1 (en) 2001-10-27

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CN104791980B (en) * 2015-05-08 2017-10-27 珠海格力电器股份有限公司 Air conditioner
JP6755409B2 (en) * 2017-10-18 2020-09-16 三菱電機株式会社 Indoor unit of air conditioner

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US3874191A (en) * 1974-06-12 1975-04-01 Molded Products Company Blower housing
AU542354B2 (en) * 1981-10-21 1985-02-21 Mitsubishi Denki Kabushiki Kaisha Ceiling mounted air conditioner
US5461880A (en) * 1994-03-09 1995-10-31 Carrier Corporation Snap together control box for air conditioner

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CN1181291C (en) 2004-12-22
ES2171338A1 (en) 2002-09-01
KR100294337B1 (en) 2001-10-27
CN1241700A (en) 2000-01-19
ES2171338B1 (en) 2003-09-01
IT1308077B1 (en) 2001-11-29
ITTO990479A1 (en) 2000-12-04

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