KR20000003142A - Rotary compressor containing accumulator inside - Google Patents

Rotary compressor containing accumulator inside Download PDF

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Publication number
KR20000003142A
KR20000003142A KR1019980024296A KR19980024296A KR20000003142A KR 20000003142 A KR20000003142 A KR 20000003142A KR 1019980024296 A KR1019980024296 A KR 1019980024296A KR 19980024296 A KR19980024296 A KR 19980024296A KR 20000003142 A KR20000003142 A KR 20000003142A
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KR
South Korea
Prior art keywords
accumulator
rotary compressor
refrigerant gas
compressor
hole
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Application number
KR1019980024296A
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Korean (ko)
Inventor
윤덕원
박성연
김재호
Original Assignee
전주범
대우전자 주식회사
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Priority to KR1019980024296A priority Critical patent/KR20000003142A/en
Publication of KR20000003142A publication Critical patent/KR20000003142A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/16Filtration; Moisture separation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/02Lubrication
    • F04B39/0223Lubrication characterised by the compressor type
    • F04B39/023Hermetic compressors
    • F04B39/0238Hermetic compressors with oil distribution channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0092Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02Lubrication; Lubricant separation

Abstract

PURPOSE: A rotary compressor containing an accumulator inside is provided to make an air conditioner smaller in its cost and shared volume reduction. CONSTITUTION: The rotary compressor containing an accumulator inside comprises:a cross-plate having a fitting hole(51) formed between the lower part of the body(17) of a compressor(1) and a lower cover(16); an oil return hole(101) fitted to a fitting hole(51) of the cross-plate; an inhaling pipe(100) for inhaling cooling gas into an inhaling hole(18); a screen(110) installed inside the inhaling hole(16').

Description

어큐뮤레이터가 내장된 로터리 압축기(An accumulator built-in rotary compressor)An accumulator built-in rotary compressor

본 발명은 어큐뮤레이터가 내장된 로터리 압축기에 관한 것으로, 더욱 상세하게는 압축기의 외측으로 설치되는 어큐뮤레이터의 기능을 압축기 본체내에서 행하도록 한 어큐뮤레이터 내장형 압축기를 형성하여 원가절감 및 공유체적절감을 이룰 수 있도록 한 어큐뮤레이터가 내장된 로터리 압축기에 관한 것이다.The present invention relates to a rotary compressor with a built-in accumulator, and more particularly, to form a accumulator built-in compressor that performs the function of the accumulator installed outside the compressor in the compressor main body, thereby reducing cost and sharing. The present invention relates to a rotary compressor with an accumulator for achieving volume saving.

일반적으로 압축기는 기계적 에너지를 압축성 유체의 압축에너지로 변환시키는 것으로, 저압의 증발기에서 냉매가스를 흡입하고, 이 압력을 응축압력 까지 높이는 작용을 하는 것이다.In general, a compressor converts mechanical energy into compressive energy of a compressive fluid. The compressor sucks refrigerant gas from a low pressure evaporator and increases the pressure to condensation pressure.

도3은 상기와 같은 역할을 수행하는 종래의 로터리 압축기를 설명하기 위한 도면으로서, 몸체(10)의 외측으로는 증발기에서 증발된 저온.저압의 냉매가스를 흡입하는 흡입관(41)이 내측에 스크린(42)이 설치된 어큐뮤레이터(40)의 상부로 설치되고, 하부로는 냉매가스를 몸체(10)로 토출하기 위한 토출관(43)이 형성되어 있으며, 이 토출관(43)의 일측으로는 오일리턴홀(44)이 형성되어 있다.3 is a view for explaining a conventional rotary compressor to perform the above role, the outside of the body 10, the suction pipe 41 for sucking the low-temperature, low-pressure refrigerant gas evaporated from the evaporator, the screen inside the The upper part of the accumulator 40 in which 42 is provided is provided, and the lower part is formed with the discharge tube 43 for discharging the refrigerant gas to the body 10, and to one side of this discharge tube 43. The oil return hole 44 is formed.

한편, 상기 몸체(10)의 내부로는 상측에 내주연에 편심부(31)를 갖는 회전축(32)과 회전자(33)가 내장된 전동기(30)가 설치되며, 하측 상부로는 모터베어링(34)이 하부로는 펌프베어링(35)이 설치되어 내주연에 상기 회전축(32)의 편심부(31)와 롤러(21)가 일체로 설치되는 실린더(20)가 형성되어 있다.On the other hand, the inside of the body 10 is installed on the upper side of the rotary shaft 32 having the eccentric portion 31 on the inner circumference and the rotor 33 is built-in electric motor 30, the lower upper motor bearing 34, the lower portion of the pump bearing 35 is installed, the inner periphery of the cylinder 20 is formed integrally with the eccentric portion 31 and the roller 21 of the rotary shaft 32 is formed.

또한, 상기 몸체(10)는 외부단자(11)와 토출관(12)이 형성된 상부커버(13)와 체결공(14)이 형성된 베이스 플레이트(15)가 설치되는 하부커버(16) 및 몸통(17)으로 구분되어 진다.In addition, the body 10 has a lower cover 16 and a body (3) on which an outer cover 11 and an upper cover 13 having a discharge tube 12 and a base plate 15 having a fastening hole 14 are installed. 17).

그리고, 상기 실린더(20)에는 일측으로 어큐뮤레이터(40)를 거친 냉매가스가 흡입되는 흡입구(18)가 형성되고, 타측에는 고온.고압으로 압축된 냉매가스가 토출밸브(미도시됨)에 의해 개폐되어 토출되도록 토출구(미도시됨)가 형성되어 롤러(21)의 작동시에 고압측과 저압측을 나누기 위해 베인(미도시됨)이 설치되어 구성되어 진다.In addition, the cylinder 20 has a suction port 18 through which the refrigerant gas passed through the accumulator 40 is sucked to one side, and the refrigerant gas compressed at a high temperature and high pressure is discharged to the discharge valve (not shown). A discharge port (not shown) is formed to be opened and closed by a discharge, and a vane (not shown) is installed to divide the high pressure side and the low pressure side during the operation of the roller 21.

이와 같이 구성된 압축기(1)의 작동은 증발기에서 증발된 저온.저압의 증발가스가 어큐뮤레이터(40)의 흡입관(41)을 통해 흡입되어 스크린(42)을 거치면서 냉매가스에 함유된 액상의 냉매와 이물질 등이 제거된 상태로 어큐뮤레이터(40)의 토출관(43)과 연결된 흡입구(18)를 통하여 실린더(20)내로 흡입되어 진다.The operation of the compressor 1 configured as described above is performed by the low temperature and low pressure evaporation gas evaporated from the evaporator through the suction pipe 41 of the accumulator 40 and passing through the screen 42 of the liquid phase contained in the refrigerant gas. The refrigerant is sucked into the cylinder 20 through the suction port 18 connected to the discharge pipe 43 of the accumulator 40 in a state in which the coolant and the foreign matter are removed.

이렇게 흡입된 냉매가스는 전동기(30)의 모터 회전력이 회전축(32)에 직접전달되어 회전하면서 흡입구(18)을 통해 유입된 냉매가스를 편심부(31)와 룰러(21)의 유막접촉에 의한 회전으로 인해 압축실에서 압축되고, 이 압축된 냉매가스는 토출밸브의 작용에 의해 토출구로 토출되어 지는 것이다.The refrigerant gas sucked in this way is transmitted by the motor rotational force of the electric motor 30 directly to the rotating shaft 32 to rotate the refrigerant gas introduced through the suction port 18 by the oil film contact between the eccentric portion 31 and the ruler 21. It is compressed in the compression chamber by the rotation, and the compressed refrigerant gas is discharged to the discharge port by the action of the discharge valve.

상기와 같이 토출구를 거쳐 토출되는 고온.고압의 냉매가스는 몸통(17)내를 거쳐 상부커버(13)에 형성된 토출관(12)을 통해 응축기로 토출되어 지는 것이다.As described above, the high temperature and high pressure refrigerant gas discharged through the discharge port is discharged to the condenser through the discharge tube 12 formed in the upper cover 13 through the body 17.

상기와 같이 구성되고 작동되는 종래의 로터리 압축기에 있어서는 증발기에서 증발된 저온.저압의 증발가스가 외부에 설치 조립된 어큐뮤레이터(40)를 거친후에 몸체(10)의 흡입구(18)를 통하여 흡입되도록 구성되어 진다.In the conventional rotary compressor configured and operated as described above, the low-temperature and low-pressure evaporation gas evaporated from the evaporator passes through the accumulator 40 installed and assembled outside, and is sucked through the suction port 18 of the body 10. It is configured to be.

따라서, 상기의 어큐뮤레이터(40)을 조립하기 위한 부품이 추가소요되는 등 압축기제조 원가가 상승하는 문제와 어큐뮤레이터(40)설치에 따른 공유체적이 커져 에어컨의 소형화가 어려운 것이 문제점으로 지적되고 있다.Therefore, it is pointed out that the problem of increasing the manufacturing cost of the compressor, such as additional parts for assembling the accumulator 40, and the shared volume due to the installation of the accumulator 40 become large, making it difficult to miniaturize the air conditioner. It is becoming.

본 발명은 상기의 문제점을 해결하기 위한 것으로, 압축기의 외측으로 설치되는 어큐뮤레이터의 기능을 압축기 본체내에서 행하도록 한 어큐뮤레이터 내장형 압축기를 형성하여주므로서 어큐뮤레이터 제작에 따른 원가절감 및 공유체적절감에 따른 에어컨의 소형화를 이룰 수 있도록 한 어큐뮤레이터가 내장된 로터리 압축기를 제공하는 것을 그 목적으로 한다.The present invention is to solve the above problems, by forming the accumulator built-in compressor to perform the function of the accumulator installed on the outside of the compressor in the compressor main body, thereby reducing the cost of manufacturing the accumulator and It is an object of the present invention to provide a rotary compressor with an accumulator in which an air conditioner can be miniaturized according to the reduction of common volume.

본 발명은 증발기에서 증발된 저온.저압의 냉매가스를 흡입하여 고온.고압의 냉매가스로 압축하는 통상의 로터리 압축기에 있어서, 상기 압축기 몸통의 하부 및 하부커버 사이에 체결공이 형성된 격판을 설치하되; 상기 격판의 체결공에 체결되는 것으로 U자형상을 갖으며 하부에 오일리턴홀이 형성되고 일단이 연장되어 실린더내로 냉매가스를 흡입시키는 흡입관과; 상기 하부커버의 일측으로 형성된 흡입구의 내측으로는 스크린이 설치된 것을 특징으로 한다.The present invention is a conventional rotary compressor for sucking the low-temperature, low-pressure refrigerant gas evaporated in the evaporator to compress the high-temperature, high-pressure refrigerant gas, comprising: a plate having a fastening hole formed between the lower body and the lower cover of the compressor body; A suction pipe which is fastened to the fastening hole of the diaphragm, has an U-shaped shape, an oil return hole is formed at a lower end thereof, and one end thereof extends to suck the refrigerant gas into the cylinder; It is characterized in that the screen is installed on the inner side of the suction port formed to one side of the lower cover.

또한, 하부커버의 하부 일측에 체결공을 형성하되; 상기 체결공내로는 끝단에 스크린이 설치되며 오일리턴홀이 형성된 수직관과 타단으로는 흡입구내로 삽입.체결되는 수평관이 일체로 형성된 흡입관을 구비한 것을 특징으로 한다.In addition, to form a fastening hole on the lower side of the lower cover; In the fastening hole, a screen is installed at the end, and a vertical pipe having an oil return hole is formed, and the other end is provided with a suction pipe integrally formed with a horizontal tube inserted and fastened into the suction port.

도 1 은 본 발명에 따른 어큐뮤레이터가 내장된 로터리 압축기를 설명하기 위한 도면,1 is a view for explaining a rotary compressor with a built-in accumulator according to the present invention,

도 2 는 본 발명에 따른 어큐뮤레이터가 내장된 로터리 압축기의 다른실시예,2 is another embodiment of a rotary compressor with an accumulator according to the present invention;

도 3 은 종래 로터리 압축기를 설명하기 위한 도면이다.3 is a view for explaining a conventional rotary compressor.

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

1 : 압축기 16 : 하부커버1: Compressor 16: Lower Cover

16' : 흡입구 17 : 몸체16 ': inlet 17: body

18 : 흡입구 50 : 격판18: inlet 50: diaphragm

51 : 체결공 100 : 흡입관51: fastening hole 100: suction pipe

101 : 오일리턴홀 110 : 스크린101: oil return hole 110: screen

160 : 체결공 200 : 흡입관160: fastening hole 200: suction pipe

201 : 수직관 202 : 수평관201: vertical tube 202: horizontal tube

203 : 오일리턴홀 210 : 스크린203: oil return hole 210: screen

이하 본 발명의 일실시예를 첨부도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 어큐뮤레이터가 내장된 로터리 압축기를 설명하기 위한 도면으로서, 압축기(1)의 몸체(10) 내부로는 상측 내주연에 편심부(31)를 갖는 회전축(32)과 회전자(33)가 내장된 전동기(30)가 설치되며, 하측 상부로는 모터베어링(34)이 하부로는 펌프베어링(35)이 설치되어 내주연에 상기 회전축(32)의 편심부(31)와 롤러(21)가 일체로 설치되는 실린더(20)를 감싸는 몸통(17)의 하부와 체결공(14)이 형성된 베이스 플레이트(15)가 설치되는 하부커버(16) 및 몸통(17) 사이에 체결공(51)이 형성된 격판(50)이 설치되어 있다.1 is a view illustrating a rotary compressor incorporating an accumulator according to the present invention, wherein a rotating shaft 32 having an eccentric portion 31 at an upper inner circumference thereof is formed inside the body 10 of the compressor 1. The electric motor 30 in which the rotor 33 is built-in is installed, the motor bearing 34 is installed at the lower side, and the pump bearing 35 is installed at the lower side, so that the eccentric portion 31 of the rotating shaft 32 is formed on the inner circumference. ) Between the lower cover 16 and the body 17 on which the lower part of the body 17 surrounding the cylinder 20 in which the roller 21 is integrally installed and the base plate 15 on which the fastening hole 14 is formed are installed. The diaphragm 50 in which the fastening hole 51 was formed is provided in this.

한편, U자형상을 갖으며 하부에 오일리턴홀(101)이 형성된 흡입관(100)의 일단은 격판(50) 하부로 위치되게 설치되어 있으며, 타단은 체결공(51)에 삽입.체결된 상태로 연장되어 흡입구(18)로 연결되도록 설치되어 있다.On the other hand, one end of the suction pipe 100 having a U-shaped and the oil return hole 101 is formed in the lower portion of the diaphragm 50, the other end is inserted into the fastening hole (51). It extends to the inlet 18 is installed to be connected.

또한, 상기 하부커버(16)의 일측으로 증발기에서 증발된 저온.저압의 냉매가스를 흡입되는 흡입구(16')가 형성되어 있으며, 이 흡입구(16') 내측으로는 스크린(110)이 설치되어 있다.In addition, a suction port 16 'is formed on one side of the lower cover 16 to suck refrigerant gas of low temperature and low pressure evaporated from the evaporator, and a screen 110 is installed inside the suction port 16'. have.

상기와 같이 구성된 압축기는 증발기에서 증발된 저온.저압의 냉매가스가 하부커버(16)에 형성된 흡입구(16')를 통해 흡입되어 진다. 이때 흡입되는 냉매가스는 흡입구(16')의 내측에 설치된 스크린(110) 거치면서 냉매가스에 함유된 액상의 냉매와 이물질 등이 제거된 상태로 하부커버(16)내로 흡입되어 지는 것이다.In the compressor configured as described above, the low-temperature and low-pressure refrigerant gas evaporated from the evaporator is sucked through the suction port 16 ′ formed in the lower cover 16. At this time, the refrigerant gas to be sucked is sucked into the lower cover 16 while the liquid refrigerant and foreign matter contained in the refrigerant gas are removed while passing through the screen 110 installed inside the suction port 16 '.

따라서, 종래 어큐뮤레이터의 기능인 스크린(110)을 통한 이물질제거 및 냉매가스의 저장기능을 압축기(1) 몸체(10)내에서 수행할 수 있는 것이다.Therefore, the foreign matter removal and storage of the refrigerant gas through the screen 110, which is a function of the conventional accumulator, can be performed in the compressor 10 body 10.

이어, 하부커버(16)내에 저장된 냉매가스는 흡입관(100)을 통해 흡입구(18)로 흡입되어 실린더(20)내로 흡입되어 지는 것이며, 상기 흡입관(100)을 통해 냉매가스의 이동시 냉매가스에 섞여있던 오일은 흡입관(100)의 하부면에 형성된 오일리턴홀(101)을 통해 다시 하부커버(16)내로 순환되어 지는 것이다.Subsequently, the refrigerant gas stored in the lower cover 16 is sucked into the suction port 18 through the suction pipe 100 and sucked into the cylinder 20, and mixed with the refrigerant gas when the refrigerant gas moves through the suction pipe 100. The oil was circulated back into the lower cover 16 through the oil return hole 101 formed on the lower surface of the suction pipe (100).

도2는 본 발명에 따른 어큐뮤레이터가 내장된 로터리 압축기의 다른실시예로서, 상기 하부커버(16)의 하부 일측에 체결공(160)을 형성하고, 상기 체결공(160)내로는 끝단에 스크린(210)이 설치되며, 오일리턴홀(203)이 형성된 수직관(201)과 타단으로는 흡입구(18)내로 삽입.체결되는 수평관(202)이 일체로 형성된 흡입관(200)을 구비하므로서, 종래 압축기(1)의 구조변경 없이도 어큐뮤레이터 기능을 적용할 수 있어 제조공수 및 생산단가를 더욱 낮출 수 있는 것이다.Figure 2 is another embodiment of a rotary compressor with a built-in accumulator according to the present invention, the fastening hole 160 is formed on one side of the lower cover 16, the fastening hole 160 in the end The screen 210 is installed, the vertical pipe 201 having the oil return hole 203 and the suction pipe 200 formed integrally with the horizontal pipe 202 to be inserted and fastened into the suction port 18 at the other end. In addition, the accumulator function can be applied without changing the structure of the conventional compressor 1, thereby further reducing the manufacturing man-hour and production cost.

상기와 같이 본 발명은 스크린이 설치된 흡입관을 압축기내에 설치하므로서, 별도의 어큐뮤레이터를 삭제할 수 있어 어큐뮤레이터 제작에 따른 원가절감 및 공유체적절감에 따른 에어컨의 소형화를 동시에 이룰 수 있는 효과를 발휘하게 된다.As described above, the present invention is provided with a suction pipe provided with a screen in the compressor, it is possible to eliminate a separate accumulator, thereby achieving the effect of miniaturizing the air conditioner according to the cost reduction and common volume reduction according to the accumulator production Done.

이상에서 본 발명은 도면에 도시된 일실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술분야에 통상의 지식을 지닌 자라면 이로 부터 다양한 변형 및 균등한 타실시 예가 가능하다는 것을 이해할 것이다.Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. .

따라서, 본 발명의 기술적 보호범위는 첨부된 특허청구범위에 의해서만 정해져야 할 것이다.Therefore, the technical protection scope of the present invention should be defined only by the appended claims.

Claims (2)

증발기에서 증발된 저온.저압의 냉매가스를 흡입하여 고온.고압의 냉매가스로 압축하는 통상의 로터리 압축기에 있어서, 상기 압축기(1) 몸통(17)의 하부 및 하부커버(16) 사이에 체결공(51)이 형성된 격판(50)을 설치하되;In a conventional rotary compressor that sucks low-temperature, low-pressure refrigerant gas evaporated by an evaporator and compresses it into a high-temperature, high-pressure refrigerant gas, a fastening hole between the lower part and the lower cover (16) of the body (17) of the compressor (1) Install a diaphragm 50 formed with 51; 상기 격판(50)의 체결공(51)에 체결되는 것으로 U자형상을 갖으며 하부에 오일리턴홀(101)이 형성되고 일단이 연장되어 흡입구(18)내로 냉매가스를 흡입시키는 흡입관(100)과;The suction pipe 100 which is fastened to the fastening hole 51 of the diaphragm 50 and has a U-shape, has an oil return hole 101 formed at one end thereof, and has one end thereof extended to suck the refrigerant gas into the suction port 18. and; 상기 하부커버(16)의 일측으로 형성된 흡입구(16')의 내측으로는 스크린(110)이 설치된 것을 특징으로 하는 어큐뮤레이터가 내장된 로터리 압축기.Rotary compressor with a built-in accumulator, characterized in that the screen 110 is installed inside the suction port (16 ') formed on one side of the lower cover (16). 제 1 항에 있어서, 상기 하부커버(16)의 하부 일측에 체결공(160)을 형성하되;According to claim 1, Forming the fastening hole 160 on the lower side of the lower cover (16); 상기 체결공(160)내로는 끝단에 스크린(210)이 설치되며 오일리턴홀(203)이 형성된 수직관(201)과 타단으로는 흡입구(18)내로 삽입.체결되는 수평관(202)이 일체로 형성된 흡입관(200)을 구비한 것을 특징으로 하는 어큐뮤레이터가 내장된 로터리 압축기.In the fastening hole 160, the screen 210 is installed at the end, and the vertical tube 201 having the oil return hole 203 and the horizontal tube 202 inserted into and fastened into the suction port 18 at the other end are integrated. Rotary compressor with an accumulator, characterized in that provided with a suction pipe (200) formed.
KR1019980024296A 1998-06-26 1998-06-26 Rotary compressor containing accumulator inside KR20000003142A (en)

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