KR100259379B1 - Diminishing device of noise of compressor - Google Patents

Diminishing device of noise of compressor Download PDF

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Publication number
KR100259379B1
KR100259379B1 KR1019970073853A KR19970073853A KR100259379B1 KR 100259379 B1 KR100259379 B1 KR 100259379B1 KR 1019970073853 A KR1019970073853 A KR 1019970073853A KR 19970073853 A KR19970073853 A KR 19970073853A KR 100259379 B1 KR100259379 B1 KR 100259379B1
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KR
South Korea
Prior art keywords
muffler
refrigerant
compressor
refrigerant gas
oil
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KR1019970073853A
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Korean (ko)
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KR19990054092A (en
Inventor
황인수
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윤종용
삼성전자주식회사
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Priority to KR1019970073853A priority Critical patent/KR100259379B1/en
Publication of KR19990054092A publication Critical patent/KR19990054092A/en
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Publication of KR100259379B1 publication Critical patent/KR100259379B1/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16—Filtration; Moisture separation
    • 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
    • F04C29/026—Lubricant separation
    • 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: A noise reduction apparatus for compressor is provided to reduce noise caused due to the pulsation of the refrigerant gas being discharged, by injecting the refrigerant gas into the oil stored in a compressor. CONSTITUTION: An apparatus comprises a muffler(9) for sucking the refrigerant by a cam(3a) rotating within a cylinder(6) and reducing the discharge noise of the high temperature high pressure refrigerant gas being discharged; an outlet port(9a) formed at the upper surface of the muffler so as to discharge the refrigerant gas the noise of which is reduced firstly through the muffler; a refrigerant injection member(20) connected to the outlet port of the muffler so as to inject the refrigerant gas discharged through the outlet port of the muffler, into an oil(13) stored in the compressor; and a cut-off member(30) mounted between the muffler and motor unit so as to prevent the oil bubbled by the refrigerant injection member from entering the motor unit. The refrigerant injection member is shaped as a tube, and has a plurality of penetrating holes(21) formed at the outer periphery of the refrigerant injection member so as to allow the refrigerant gas to pass through. The cut-off member is formed of a porous ceramic plate which passes the air but prevents the oil from being passed.

Description

압축기의 소음 감쇠 장치Noise damping device of compressor

본 발명은 냉매등의 유체를 압축하여 토출시키는 로터리 압축기에 관한 것으로서, 더욱 상세하게는 토출되는 냉매가스를 오일속에 분사시켜 오일에 거품을 일으키므로써 토출 냉매가스에 의해 토출 소음을 감쇠시키도록 구성한 압축기의 소음 감쇠 장치에 관한 것이다.The present invention relates to a rotary compressor for compressing and discharging a fluid such as a refrigerant, and more particularly, a compressor configured to attenuate discharge noise by discharging refrigerant gas by injecting the discharged refrigerant gas into oil and causing bubbles in the oil. Relates to a noise attenuation device.

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 내측에는 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 rotatably inserted 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 머플러(9)가 체결고정되어 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 for discharging the refrigerant gas compressed in the cylinder 6 is fastened and fastened to the upper side of the upper flange 7, and on one side of the cylinder 6, the load fluctuates due to the suction of the refrigerant. An accumulator 10 for storing the liquid refrigerant is connected via a suction pipe 11 so that the generated liquid refrigerant does not flow into the cylinder 6 of the compressor, and the muffler is disposed above the case 1. The discharge tube 12 which discharges the refrigerant gas discharged | emitted through 9 to the outer side 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 미끄럼접촉하는 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 divide the space within the suction space and the compression space.

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 냉매 가스가 토출되는 토출구(6b)가 형성되어 있다.That is, the cylinder 6 is formed with a suction port 6a connected to the suction pipe 11 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.

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 회전작동이 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 to achieve a smooth rotation operation.

그러나, 상기한 바와 같은 종래의 압축기에 있어서, 압축 공간에서 토출된 가스는 머플러(9)를 통하여 냉매가스의 맥동이 감쇄되어 압축기의 케이스(1)내의 토출 공간으로 빠져 나가지만 압축기의 케이스(1)내의 가스 맥동은 여전히 남아 있어 주된 소음원이 되는 문제점이 있었다.However, in the conventional compressor as described above, the gas discharged from the compression space is attenuated by the pulsation of the refrigerant gas through the muffler 9 and exits into the discharge space in the case 1 of the compressor. The gas pulsation in) still remained, causing a major noise source.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로써, 본 발명의 목적은 토출가스의 가스 맥동에 의하여 발생하는 소음을 감쇠시키도록 한 압축기의 소음 감쇠 장치를 제공하는 데 있다.Accordingly, the present invention has been made to solve the above problems, an object of the present invention to provide a noise damping device of the compressor to attenuate the noise caused by the gas pulsation of the discharge gas.

상기와 같은 목적을 실현하기 위하여 본 발명에 의한 압축기의 소음 감쇠 장치는, 실린더내에서 회전하는 캠에 의하여 냉매를 흡입하고 고온 고압으로 토출되는 냉매가스의 토출소음을 감쇠시키는 머플러와, 상기 머플러에서 소음이 감쇠된 냉매 가스가 유출되도록 상기 머플러의 상면에 형성된 유출구를 구비한 압축기의 소음저감장치에 있어서, 상기 머플러의 유출구로부터 유출되는 냉매가스를 압축기내에 저류된 오일속에 분사시키도록 상기 머플러의 유출구에 연결된 냉매 분사부재와, 상기 냉매분사부재에 의해 거품이 일어나는 오일이 그 상측의 모터부로 유입되지 않도록 상기 머플러와 모터부 사이에 설치된 차단부재를 포함함을 특징으로 한다.In order to achieve the above object, the noise damping device of the compressor according to the present invention includes a muffler that sucks the refrigerant by a cam rotating in the cylinder and attenuates the discharge noise of the refrigerant gas discharged at high temperature and high pressure. In the noise reduction device of the compressor having an outlet formed on the upper surface of the muffler to flow out the noise damped refrigerant gas, the outlet of the muffler to inject the refrigerant gas flowing out of the outlet of the muffler into the oil stored in the compressor And a blocking member installed between the muffler and the motor unit such that oil generated by the refrigerant injection member is prevented from flowing into the motor unit on the upper side thereof.

도1은 일반적인 압축기를 도시한 종단면도.1 is a longitudinal sectional view showing a typical compressor.

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

도3은 본 발명에 의한 압축기의 소음 감쇠 장치를 도시한 종단면도.Figure 3 is a longitudinal sectional view showing a noise attenuation device of the compressor according to the present invention.

도4는 본 발명에 의한 압축기의 다공형 플레이트를 도시한 사시도이다.Figure 4 is a perspective view of the porous plate of the compressor according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

3 : 회전축 7 : 상부플랜지3: rotation shaft 7: upper flange

9 : 머플러 20 : 냉매 분사부재9: muffler 20: refrigerant injection member

21 : 관통구멍 30 : 차단부재21: through hole 30: blocking member

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.

도3 및 도4에 도시된 바와 같이, 본 발명에 의한 압축기의 소음 감쇠 장치는 실린더(6)내에서 회전하는 캠(3a)에 의하여 냉매를 흡입하고 고온 고압으로 토출되는 냉매가스의 토출소음을 감쇠시키는 머플러(9)와, 상기 머플러(9)에서 소음이 감쇠된 냉매가스가 유출되도록 상기 머플러(9)의 상면에 형성된 유출구(9a)와, 상기 머플러(9)의 유출구(9a)로부터 유출되는 냉매가스를 압축기내에 저류된 오일(13)속에 분사시키도록 상기 머플러(9)의 유출구(9a)에 연결된 냉매 분사부재(20)와, 상기 냉매분사부재(20)에 의해 거품이 일어나는 오일(13)이 그 상측의 모터부로 유입되지 않도록 상기 머플러(9)와 모터부 사이에 설치된 차단부재(30)로 이루어져 있다.As shown in Figs. 3 and 4, the noise attenuation apparatus of the compressor according to the present invention sucks the refrigerant by the cam 3a rotating in the cylinder 6 and discharges the noise of the refrigerant gas discharged at a high temperature and high pressure. A muffler 9 for damping, an outlet 9a formed on the upper surface of the muffler 9 so that refrigerant gas attenuated by the muffler 9 flows out, and an outlet 9a of the muffler 9 flows out The refrigerant injection member 20 connected to the outlet 9a of the muffler 9 and the foaming oil by the refrigerant injection member 20 to inject the refrigerant gas into the oil 13 stored in the compressor ( It consists of a blocking member 30 provided between the muffler (9) and the motor portion so that 13) does not flow into the upper motor portion.

상기 냉매 분사부재(20)는 관상형으로 되어 그 외주면에 냉매가스가 유출되는 관통구멍(21)을 다수개 형성하여 구성되어 있고, 상기 차단부재(30)는 공기는 유출되어 오일(13)은 걸러지는 다공형 세라믹판으로 되어 있다.The refrigerant injecting member 20 is tubular and is formed by forming a plurality of through-holes 21 through which the refrigerant gas flows out, and the blocking member 30 has air flowing out, so that the oil 13 It is made of a porous ceramic plate to be filtered.

다음에, 이와 같이 구서어된 본 발명의 작용을 설명한다.Next, the operation of the present invention written 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 머플러(9)의 유출구(9a)를 통해 유출되고, 이와 연결된 냉매 분사부재(20)의 외주면에 형성된 관통구멍(21)을 통해 냉매가스가 분사되면서 상기 오일(13)에 거품이 일어나게 된다. 이와 같이, 거품이 일어나면서 압축기에서 압축 토출되는 냉매가스의 토출 소음이 감쇠되고, 상기 오일(13)의 거품 현상은 다공형 세라믹판으로 된 차단부재(30)에 의해 오일(13)이 그 상측으로 머터부로 침투되는 것을 방지되며, 압축된 냉매가스만 유출되어 토출관(12)을 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 high temperature and high pressure by the eccentric rotation. As such, the compressed refrigerant flows out through the outlet 9a of the muffler 9, and the refrigerant gas is injected through the through hole 21 formed in the outer circumferential surface of the refrigerant injection member 20 connected thereto. ) Bubbles. In this way, as the bubbles are generated, the discharge noise of the refrigerant gas compressed and discharged from the compressor is attenuated, and the bubble phenomenon of the oil 13 is caused by the blocking member 30 made of a porous ceramic plate. It is prevented from penetrating into the mutter portion, and only the compressed refrigerant gas is discharged and discharged through the discharge pipe 12.

상기한 바와 같이, 본 발명에 의한 압축기의 소음 감쇠 장치에 의하면, 상기 실린더에서 고온 고압으로 압축된 냉매를 토출구를 통해 토출되는 냉매가스를 냉매 분사부재를 통해 오일에 분사되도록 구성함으로써 상기 머플러에서 일차적으로 감쇠된 토출소음을 재차 감쇠시키는 효과가 있다.As described above, according to the noise attenuation apparatus of the compressor according to the present invention, the refrigerant compressed by the high temperature and high pressure in the cylinder is configured so that the refrigerant gas discharged through the discharge port is injected into the oil through the refrigerant injection member in the muffler. It is effective to attenuate the discharge noise attenuated again.

Claims (3)

실린더내에서 회전하는 캠에 의하여 냉매를 흡입하고 고온 고압으로 토출되는 냉매가스의 토출소음을 감쇠시키는 머플러와, 상기 머플러에서 소음이 감쇠된 냉매 가스가 유출되도록 상기 머플러의 상면에 형성된 유출구를 구비한 압축기의 소음저감장치에 있어서, 상기 머플러의 유출구로부터 유출되는 냉매가스를 압축기내에 저류된 오일속에 분사시키도록 상기 머플러의 유출구에 연결된 냉매 분사부재와, 상기 냉매분사부재에 의해 거품이 일어나는 오일이 그 상측의 모터부로 유입되지 않도록 상기 머플러와 모터부 사이에 설치된 차단부재를 포함함을 특징으로 하는 압축기의 소음 감쇠 장치.A muffler that sucks the refrigerant by the cam rotating in the cylinder and attenuates the discharge noise of the refrigerant gas discharged at high temperature and high pressure, and an outlet formed on the upper surface of the muffler to allow the refrigerant gas attenuated from the muffler to flow out; In the noise reduction device of the compressor, a refrigerant injection member connected to the outlet of the muffler to inject the refrigerant gas flowing out of the outlet of the muffler into the oil stored in the compressor, and the oil foaming by the refrigerant injection member Noise suppression apparatus of the compressor, characterized in that it comprises a blocking member provided between the muffler and the motor portion so as not to flow into the upper motor portion. 제1항에 있어서, 상기 냉매 분사부재는 관상형으로 되어 그 외주면에 냉매가스가 유출되는 관통구멍을 다수개 형성하여 구성함을 특징으로 하는 압축기의 소음 감쇠 장치.The noise reduction device of claim 1, wherein the refrigerant injection member is tubular, and a plurality of through holes through which the refrigerant gas flows are formed on the outer circumferential surface thereof. 제1항에 있어서, 상기 차단부재는 공기는 유출되고 오일은 걸러지는 다공형 세라믹판인 것을 특징으로 하는 압축기의 소음 감쇠 장치.The noise reduction device of claim 1, wherein the blocking member is a porous ceramic plate through which air is discharged and oil is filtered.
KR1019970073853A 1997-12-24 1997-12-24 Diminishing device of noise of compressor KR100259379B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101175654B1 (en) * 2005-05-06 2012-08-22 엘지전자 주식회사 Device preventing separation of oil and refrigerant in air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101175654B1 (en) * 2005-05-06 2012-08-22 엘지전자 주식회사 Device preventing separation of oil and refrigerant in air conditioner

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