KR100272232B1 - A delivering preventing structure of oil of muffler for compressor - Google Patents

A delivering preventing structure of oil of muffler for compressor Download PDF

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Publication number
KR100272232B1
KR100272232B1 KR1019980004223A KR19980004223A KR100272232B1 KR 100272232 B1 KR100272232 B1 KR 100272232B1 KR 1019980004223 A KR1019980004223 A KR 1019980004223A KR 19980004223 A KR19980004223 A KR 19980004223A KR 100272232 B1 KR100272232 B1 KR 100272232B1
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KR
South Korea
Prior art keywords
hole
muffler
oil
discharge
cylinder
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KR1019980004223A
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Korean (ko)
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KR19990069774A (en
Inventor
성춘모
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윤종용
삼성전자주식회사
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Priority to KR1019980004223A priority Critical patent/KR100272232B1/en
Publication of KR19990069774A publication Critical patent/KR19990069774A/en
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Publication of KR100272232B1 publication Critical patent/KR100272232B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F04C29/065—Noise dampening volumes, e.g. muffler chambers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

PURPOSE: Oil drainage preventing structure of a muffler is provided to prevent oil lubricating a reciprocating portion of a cylinder from flowing out of a through hole of a muffler. CONSTITUTION: A stator(2) is mounted in a case(1), including a rotor(4). A cylinder(6) is formed under the rotor, and a discharge pipe(12) is set on the rotor. A muffler(9) having a through hole(9a) reduces discharge noise of compressed refrigerant gas. A cap member(50) covers the upper portion of the through hole. A side through hole(51) is arranged on a side of the cap member to discharge the refrigerant via the through hole(9a). When the rotor and a rotatable shaft(3) are rotated by a magnetic field, a cam and a roller(5) are rotated with eccentricity. Refrigerant in the cylinder is compressed by the eccentric rotation and discharged through a discharge port of an upper flange(7). The discharged refrigerant loses noise primarily by the through hole of the muffler and then secondarily in the cap member. The refrigerant gas includes a part of oil(13) by flowing via the through hole. The oil is not leaked out of the side through hole as the side through hole is perpendicular to discharge of the through hole.

Description

압축기용 머플러의 오일 토출 방지 구조{A DELIVERING PREVENTING STRUCTURE OF OIL OF MUFFLER FOR COMPRESSOR}Oil discharge prevention structure of compressor muffler {A DELIVERING PREVENTING STRUCTURE OF OIL OF MUFFLER FOR COMPRESSOR}

본 발명은 냉매등의 유체를 압축하여 토출시키는 로터리 압축기에 관한 것으로서, 더욱 상세하게는, 압축기의 밀폐된 케이스내의 실린더내에서 고온 고압으로 압축되어 토출되는 냉매가스중에 오일이 포함되어 토출되는 것을 방지하도록 한 압축기용 머플러의 오일 토출 방지 구조에 관한 것이다.The present invention relates to a rotary compressor for compressing and discharging a fluid such as a refrigerant, and more particularly, to prevent oil from being discharged in a refrigerant gas compressed and discharged at a high temperature and high pressure in a cylinder in a sealed case of the compressor. An oil discharge preventing structure of a compressor muffler is provided.

일반적으로 압축기는 도1에 도시된 바와 같이, 밀폐된 케이스(1)의 내측에는 고정자(2)가 설치되어 있고, 상기 고정자(2)의 내측에는 회전축(3)을 갖는 회전자(4)가 회전되도록 설치되어 있으며, 상기 회전축(3)의 하측에 편심 형성된 캠(3a)의 외측에는 롤러(5)가 삽입 설치되어 있고, 상기 캠(3a) 및 롤러(5)는 실린더(6)의 내측에서 회전되게 삽입 설치되어 있으며, 상기 실린더(6)의 상하측에는 상기 회전축(3)을 회전가능게 지지하는 상부 및 하부플랜지(7)(8)가 체결 고정되어 있다.Generally, as shown in FIG. 1, a stator 2 is installed inside the sealed case 1, and a rotor 4 having a rotation shaft 3 is provided inside the stator 2. It is installed to rotate, the roller 5 is inserted into the outer side of the cam 3a eccentrically formed below the rotating shaft 3, the cam 3a and the roller 5 is the inner side of the cylinder (6) It is installed to be rotated in the upper and lower sides of the cylinder 6, the upper and lower flanges (7) (8) for rotatably supporting the rotating shaft (3) is fastened and fixed.

그리고, 상기 상부플랜지(7)의 상측에는 실린더(6)내에서 압축된 냉매가스를 토출시키는 관통구멍(9a)을 가진 머플러(9)가 고정되어 있으며, 상기 실린더(6)의 일측에는 냉매의 흡입에 따른 부하 변동으로 발생하는 액상의 냉매가 압축기의 실린더(6)내로 유입되지 않도록 액상의 냉매를 저장하는 어규뮬레이터(10)가 흡입관(11)을 개재하여 접속되어 있고, 상기 케이스(1)의 상측에는 상기 머플러(9)를 통하여 토출된 냉매가스를 케이스(1)의 외측으로 토출시키는 토출관(12)이 접속되어 있다.In addition, a muffler 9 having a through hole 9a for discharging the compressed refrigerant gas in the cylinder 6 is fixed to the upper side of the upper flange 7. The accumulator 10 for storing the liquid refrigerant is connected via the suction pipe 11 so that the liquid refrigerant generated by the load fluctuation due to the suction does not flow into the cylinder 6 of the compressor. ), A discharge tube 12 for discharging the refrigerant gas discharged through the muffler 9 to the outside of the case 1 is connected.

또한, 상기 회전축(3)의 내측에는 케이스(1)내에 저류된 오일(13)을 상승시켜 상기 실린더(6)의 내측 및 상부플랜지(7)의 내측등으로 공급하는 오일픽업부재(14)가 삽입 설치되어 있다.In addition, an oil pick-up member 14 which raises the oil 13 stored in the case 1 to the inside of the rotation shaft 3 and supplies the inside of the cylinder 6 and the inside of the upper flange 7 is provided. Insertion is installed.

도2에 도시된 바와 같이, 상기 실린더(6)에는 상기 회전축(3)의 하단에 편심된 캠(3a)의 외주면에 설치된 롤러(5)가 상기 실린더(6)의 내주면과 구름 접촉하면서 실린더(6)내의 공간을 흡입공간과 압축공간으로 구획하도록 상기 롤러(5)와 미끄럼접촉함과 동시에 실린더 슬롯내에서 슬라이드되는 베인(15)이 설치되어 있다.As shown in Fig. 2, the cylinder 6 has a roller (5) provided on the outer circumferential surface of the cam 3a eccentric to the lower end of the rotation shaft 3 while making a rolling contact with the inner circumferential surface of the cylinder 6; 6) A vane 15 is provided in sliding contact with the roller 5 so as to partition the space in the suction space and the compression space and slides in the cylinder slot.

즉, 상기 실린더(6)에는 상기 베인(15)의 일측에 냉매를 흡입하도록 상기 흡입관(11)과 연결된 흡입구(6a)가 형성되고, 상기 베인(15)의 타측에는 압축된 냉매가스가 토출되는 토출구(6b)가 형성되어 있다.That is, the cylinder 6 has a suction port 6a connected to the suction pipe 11 so as to suck the refrigerant on one side of the vane 15, and the compressed refrigerant gas is discharged to the other side of the vane 15. The discharge port 6b is formed.

도3에 도시된 바와 같이, 상기 실린더(6)내에서 고온 고압으로 압축된 냉매가 상기 토출구(6b)를 통해 토출될 때, 토출구(6b)의 상부에는 그 토출 냉매에 의해 상측으로 휘어져 상기 토출구(6b)를 개방하고 흡입시에는 폐쇄되도록 작동하는 토출밸브(6c)가 일측이 체결부재(99)에 의해 고정 설치되어 있고, 상기 토출밸브(6c)의 상측에는 상기 토출밸브(6c)의 상측으로 과도한 휘어짐을 제한하도록 밸브멈추개(6d)가 설치되어 있다.As shown in Fig. 3, when the refrigerant compressed at high temperature and high pressure in the cylinder 6 is discharged through the discharge port 6b, the discharge port 6b is bent upwards by the discharge refrigerant above the discharge port 6b. A discharge valve 6c which opens 6b and operates to be closed at the time of suction is fixedly installed at one side by a fastening member 99, and an upper side of the discharge valve 6c above the discharge valve 6c. The valve stop 6d is provided to limit excessive bending.

이와 같이 구성된 압축기는 고정자(2)에 전류가 인가됨에 따라 형성되는 자장에 의해 회전자(4) 및 회전축(3)이 회전 작동하면, 상기 회전축(3)과 일체로 회전되는 캠(3a) 및 롤러(5)의 편심회전에 의해 실린더(6)의 내부에서는 베인(15)이 스프링(16)의 탄발작용에 의해 슬라이드 운동하면서 상기 롤러(5)의 외주면과 미끄럼접촉하여 흡입공간과 압축공간을 구획 형성하게 되는 바, 상기 캠(3a)이 시계방향으로 회전을 반복하면서 작용하는 흡입력에 의해 상기 어큐뮬레이터(10) 및 흡입관(11)을 거쳐 상기 흡입구(6a)를 통해 냉매가 흡입되고, 상기 토출구(6b)를 통해 고온 고압으로 압축된 냉매가 토출되어 진다.The compressor configured as described above includes a cam 3a which is integrally rotated with the rotation shaft 3 when the rotor 4 and the rotation shaft 3 rotate by a magnetic field formed by applying current to the stator 2. Due to the eccentric rotation of the roller 5, the vane 15 slides in contact with the outer circumferential surface of the roller 5 while the vane 15 slides due to the springing action of the spring 16 to form a suction space and a compression space. Bar is formed, the refrigerant is sucked through the inlet 6a via the accumulator 10 and the suction pipe 11 by the suction force acting while the cam (3a) is rotated in the clockwise direction, the discharge port Through 6b, the refrigerant compressed to high temperature and high pressure is discharged.

이 때, 상기 흡입구(6a)를 통해 냉매가 흡입될 때, 상기 토출구(6b)의 상면에 있는 토출밸브(6c)는 토출구(6b)에 밀착되어 토출구(6b)를 폐쇄시키고, 압축공간에서 냉매가 압축되어 토출구(6b)를 통해 토출시에는 상기 토출밸브(6c)는 상측으로 휘어지면서 토출구(6b)를 개방하게 된다.At this time, when the refrigerant is sucked through the suction port 6a, the discharge valve 6c on the upper surface of the discharge port 6b is in close contact with the discharge port 6b to close the discharge port 6b and the refrigerant in the compressed space. Is compressed and discharged through the discharge opening 6b, the discharge valve 6c is bent upwards to open the discharge opening 6b.

그리고, 상기 회전축(3)의 작동에 따라 회전되는 오일픽업부재(14)는 케이스(1)내에 저류된 오일(13)을 상승시켜 회전축(3)의 외주면을 통하여 토출시킴으로써 실린더(6)의 내측이나 상부플랜지(7)의 내측으로 오일(13)을 공급하여 원활한 회전 작동이 이루어지게 되는 것이다.In addition, the oil pick-up member 14 rotated according to the operation of the rotating shaft 3 raises the oil 13 stored in the case 1 and discharges it through the outer circumferential surface of the rotating shaft 3 to thereby form the inner side of the cylinder 6. Or by supplying the oil (13) to the inside of the upper flange (7) is a smooth rotation operation is made.

그러나, 상기한 바와 같은 종래의 압축기는 상기 실린더(6)내에서 냉매의 압축작용에 의해 고온 고압의 냉매가 토출구(6b)를 통해 토출되고 이 토출된 냉매는 상기 머플러(9)를 통과하게 되는 바, 상기 머플러(9)의 관통구멍(9a)을 통하여 냉매가스와 함께 오일(13)이 유출되는 문제점이 있었다.However, in the conventional compressor as described above, the high temperature and high pressure refrigerant is discharged through the discharge port 6b by the compression action of the refrigerant in the cylinder 6, and the discharged refrigerant passes through the muffler 9. There is a problem in that the oil 13 flows out along with the refrigerant gas through the through hole 9a of the muffler 9.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로써, 본 발명의 목적은 실린더내에서 섭동부위를 윤활하는 오일이 머플러의 관통구멍을 통하여 유출되는 것을 방지하도록 한 압축기용 머플러의 오일 토출 방지 구조를 제공하는 데 있다.Accordingly, the present invention has been made to solve the above problems, the object of the present invention is to prevent the oil to lubricate the perturbation portion in the cylinder through the through hole of the muffler to prevent the oil of the compressor muffler It is to provide a discharge preventing structure.

상기와 같은 목적을 실현하기 위하여 본 발명에 의한 압축기용 머플러의 오일 토출 방지 구조는, 실린더내에서 고온 고압으로 압축된 냉매가스의 토출소음을 감쇠시키도록 일측에 관통구멍이 형성된 머플러와, 상기 머플러의 관통구멍의 상부를 커버하는 캡부재를 구비한 압축기용 머플러의 오일 토출 방지 구조에 있어서, 상기 캡부재의 일측에는 상기 관통구멍과 직각으로 이루는 위치에 측면 관통구가 형성된 것을 특징으로 한다.Oil discharge prevention structure of the compressor muffler according to the present invention to achieve the above object, the muffler formed with a through-hole on one side to attenuate the discharge noise of the refrigerant gas compressed to high temperature and high pressure in the cylinder, and the muffler In the oil discharge prevention structure of the compressor muffler having a cap member for covering the upper portion of the through hole of the side, characterized in that the side through-hole is formed at a position perpendicular to the through hole on one side of the cap member.

도1은 일반적인 압축기를 도시한 종단면도,1 is a longitudinal sectional view showing a general compressor;

도2는 종래의 압축기의 실린더를 도시한 평단면도,2 is a plan sectional view showing a cylinder of a conventional compressor;

도3은 종래의 압축기의 토출부를 도시한 단면도,3 is a sectional view showing a discharge part of a conventional compressor;

도4는 본 발명에 의한 압축기를 도시한 종단면도,4 is a longitudinal sectional view showing a compressor according to the present invention;

도5는 본 발명에 의한 압축기용 머플러의 캡부재를 도시한 사시도이다.5 is a perspective view showing a cap member of the compressor muffler according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1 : 케이스 9 : 머플러1: case 9: muffler

9a : 관통구멍 50 : 캡부재9a: through hole 50: cap member

51 : 측면 관통구 52 : 플랜지51: side through hole 52: flange

이하, 본 발명의 일실시예를 첨부된 도면을 참조하면서 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도4에 도시된 바와 같이, 본 발명에 의한 압축기는, 케이스(1)의 내측에 고정자(2)가 설치되고, 상기 고정자(2)의 내측에서 고정자(2)에서 형성된 자장에 의해 회전하는 회전자(4)가 설치되어 있으며, 상기 회전자(4)의 하부에는 실린더(6)가 설치되고, 상기 회전자(4)의 상부에는 냉매가스가 토출되는 토출관(12)이 설치되어 있다.As shown in Fig. 4, in the compressor according to the present invention, a stator 2 is installed inside the case 1 and rotates by a magnetic field formed in the stator 2 inside the stator 2. The electron 4 is provided, and the cylinder 6 is provided in the lower part of the rotor 4, and the discharge tube 12 which discharges refrigerant gas is provided in the upper part of the rotor 4.

상기 실린더(6)의 상부에는 그 내에서 고온 고압으로 압축된 냉매가스의 토출소음을 감쇠시키는 머플러(9)가 그 상면에 관통구멍(9a)을 형성하여 설치되어 있고, 상기 머플러(9)의 관통구멍(9a)의 상부에는 관통구멍(9a)의 상부를 커버하도록 캡부재(50)가 설치되어 있으며, 상기 캡부재(50)의 측면에는 상기 관통구멍(9a)을 통과한 냉매가 토출되도록 측면 관통구(51)가 형성되어 있다.In the upper part of the cylinder 6, a muffler 9 for damping the discharge noise of the refrigerant gas compressed to high temperature and high pressure therein is formed by forming a through hole 9a on the upper surface thereof. The cap member 50 is provided at the upper portion of the through hole 9a to cover the upper portion of the through hole 9a, and the coolant passing through the through hole 9a is discharged to the side of the cap member 50. The side through hole 51 is formed.

여기서, 상기 캡부재(50)는 그 플랜지(52)가 상기 머플러(9)의 상면에 용접에 의해 결착되어 있다.Here, the cap member 50 has its flange 52 attached to the upper surface of the muffler 9 by welding.

다음에, 이와 같이 구성된 본 발명의 작용을 설명한다.Next, the operation of the present invention configured as described above will be described.

고정자(2)에 전류가 인가됨에 따라 형성되는 자장에 의해 회전자(4) 및 회전축(3)이 회전 작동하면, 상기 회전축(3)과 일체로 회전되는 캠(3a) 및 롤러(5)의 편심회전하게 되고, 이 편심회전에 의해 상기 실린더(6)의 내부에 흡입된 냉매를 고온 고압으로 압축하게 된다, 이와 같이, 압축된 냉매는 상기 실린더(6)의 상면에 설치된 상부 플랜지(7)의 토출구(7a)를 통해 토출된다.When the rotor 4 and the rotating shaft 3 are rotated by a magnetic field formed by applying a current to the stator 2, the cam 3a and the roller 5 rotated integrally with the rotating shaft 3 The eccentric rotation causes the refrigerant sucked into the cylinder 6 to be compressed at a high temperature and high pressure by the eccentric rotation. Thus, the compressed refrigerant is provided on the upper flange 7 provided on the upper surface of the cylinder 6. Is discharged through the discharge port 7a.

이와 같이, 토출되는 냉매가스는 상기 머플러(9)의 관통구멍(9a)을 통과하면서 토출소음이 1차적으로 저감되고, 상기 관통구멍(9a)의 상부에 결착된 캡부재(50)내에서 2차적으로 소음이 감쇠되며, 상기 캡부재(50)의 측벽에 형성된 측면 관통구(51)를 통과하게 된다.In this way, the discharged refrigerant gas is primarily reduced in discharge noise while passing through the through hole 9a of the muffler 9, and in the cap member 50 bound to the upper part of the through hole 9a, 2 is removed. Noise is attenuated, and passes through the side through hole 51 formed on the side wall of the cap member 50.

이 때, 상기 관통구멍(9a)을 통과하는 냉매가스에는 오일(13)의 일부가 포함되어 토출되는 바, 상기 캡부재(50)의 측면 관통구(51)는 상기 관통구멍(9a)의 토출방향과 직각을 이루도록 형성되어 있기 때문에 냉매가스에 포함되어 있는 오일(13)은 상기 캡부재(50)의 측면 관통구(51)를 통해 유출되지 않게 되는 것이다.At this time, the refrigerant gas passing through the through hole 9a includes a part of oil 13 to be discharged, and the side through hole 51 of the cap member 50 discharges the through hole 9a. Since the oil 13 is formed to be perpendicular to the direction, the oil 13 contained in the refrigerant gas does not flow out through the side through hole 51 of the cap member 50.

상기한 바와 같이, 본 발명에 의한 압축기용 머플러의 오일 토출 방지 구조에 의하면, 머플러의 관통구멍의 상부에 캡부재를 설치하고, 상기 캡부재의 측벽 즉, 상기 관통구멍의 토출방향과 직각되는 방향에 측면 관통구를 형성하여 구성함으로써 상기 머플러에서 일차적으로 감쇠된 토출소음을 2차적으로 감쇠시킴과 동시에 냉매가스와 함께 오일이 상기 측면 관통구를 통해 토출되는 것을 방지하게 된다.As described above, according to the oil discharge preventing structure of the muffler for compressor according to the present invention, a cap member is provided on an upper portion of the muffler through hole, and the sidewall of the cap member, that is, the direction perpendicular to the discharge direction of the through hole. By forming the side through holes in the secondary attenuated discharge noise attenuated primarily in the muffler and at the same time to prevent oil from being discharged through the side through holes with the refrigerant gas.

Claims (2)

(정정) 실린더(6)내에서 고온 고압으로 압축된 냉매가스의 토출소음을 감쇠시키도록 일측에 관통구멍(9a)이 형성된 머플러(9)와, 상기 머플러(9)의 관통구멍(9a)의 상부를 커버하는 캡부재(50)를 구비한 압축기용 머플러의 오일 토출 방지 구조에 있어서,(Correction) A muffler 9 having a through hole 9a formed at one side of the muffler 9 and a through hole 9a of the muffler 9 so as to attenuate the discharge noise of the refrigerant gas compressed to high temperature and high pressure in the cylinder 6. In the oil discharge prevention structure of the compressor muffler provided with a cap member 50 covering the upper part, 상기 캡부재(50)의 일측에는 상기 관통구멍(9a)과 직각으로 이루는 위치에 측면 관통구(51)가 형성된 것을 특징으로 하는 압축기용 머플러의 오일 토출 방지 구조.One side of the cap member 50, the side surface through-hole 51 is formed at a position perpendicular to the through hole (9a) oil discharge prevention structure of the compressor muffler, characterized in that formed. (삭제)(delete)
KR1019980004223A 1998-02-12 1998-02-12 A delivering preventing structure of oil of muffler for compressor KR100272232B1 (en)

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KR100807283B1 (en) * 2007-01-30 2008-02-28 삼성전자주식회사 Refrigerant compressing apparatus and air conditioner having the same
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