KR200392424Y1 - Gas discharge apparatus for twin rotary compressor - Google Patents

Gas discharge apparatus for twin rotary compressor Download PDF

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Publication number
KR200392424Y1
KR200392424Y1 KR20-2005-0014220U KR20050014220U KR200392424Y1 KR 200392424 Y1 KR200392424 Y1 KR 200392424Y1 KR 20050014220 U KR20050014220 U KR 20050014220U KR 200392424 Y1 KR200392424 Y1 KR 200392424Y1
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discharge
discharge passage
refrigerant
cylinder
valve
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KR20-2005-0014220U
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Korean (ko)
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이은섭
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엘지전자 주식회사
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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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • 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
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • 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
    • 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
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
    • F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
    • 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
    • F04C2210/00—Fluid
    • F04C2210/22—Fluid gaseous, i.e. compressible
    • 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
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

Abstract

본 고안에 의한 복식 로터리 압축기의 가스 토출 장치는 메인베어링에는 제1 실린더에서 압축된 냉매를 토출하도록 제1 토출유로를 형성함과 아울러 제2 실린더와 미들베어링과 제1 실린더 그리고 상기 메인베어링에는 상기한 제2 실린더에서 압축된 냉매를 토출하도록 제2 토출유로를 연통 형성하며, 메인프레임에는 제1 토출유로와 제2 토출유로를 번갈아 개폐할 수 있는 공용토출밸브조립체를 설치하고, 메인베어링의 외측면에는 공용토출밸브조립체를 수용하여 냉매의 토출소음을 상쇄하도록 공용머플러를 고정 설치함으로써, 제1 압축기구부와 제2 압축기구부의 머플러를 통합 활용할 수 있어 머플러 개수를 줄일 수 있고 이를 통해 재료비용을 절감할 수 있을 뿐만 아니라 압축기를 소형화할 수 있다. 또, 메인베어링에는 미끄럼방식의 공용토출밸브조립체를 구비함으로써, 냉매가스의 토출시 토출소음을 줄여 압축기의 신뢰성을 높일 수 있다.The gas discharge device of the double rotary compressor according to the present invention forms a first discharge passage to discharge the refrigerant compressed in the first cylinder in the main bearing, and the second cylinder, the middle bearing, the first cylinder, and the main bearing The second discharge passage is formed in communication with each other to discharge the compressed refrigerant from a second cylinder. The main frame is provided with a common discharge valve assembly for opening and closing the first discharge passage and the second discharge passage alternately. The common muffler is fixed to the side to accommodate the common discharge valve assembly to offset the discharge noise of the refrigerant, thereby enabling the integrated use of the muffler of the first compressor section and the second compressor section, thereby reducing the number of mufflers, thereby reducing material costs. In addition to savings, the compressor can be miniaturized. In addition, the main bearing is provided with a slide type common discharge valve assembly to reduce the discharge noise during the discharge of the refrigerant gas, thereby increasing the reliability of the compressor.

Description

복식 로터리 압축기의 가스 토출 장치{GAS DISCHARGE APPARATUS FOR TWIN ROTARY COMPRESSOR}GAS DISCHARGE APPARATUS FOR TWIN ROTARY COMPRESSOR}

본 고안은 복식 로터리 압축기에 관한 것으로, 특히 각각의 압축부에서 토출되는 냉매를 원활하게 유도하는 복식 로터리 압축기의 가스 토출 장치에 관한 것이다.The present invention relates to a double rotary compressor, and more particularly, to a gas discharge device of a double rotary compressor to guide the refrigerant discharged from each compression unit smoothly.

일반적으로 압축기는 기계적 에너지를 압축성 유체의 압축에너지로 변환시키는 것으로, 통상 왕복동식 및 스크롤식 및 원심식 그리고 베인식으로 구분할 수 있다. 로터리 압축기는 주로 에어콘과 같은 공기조화기에 적용하는 것으로, 최근에는 편하중을 줄일 수 있도록 회전축의 편심부를 대칭되게 형성하여 복수 개의 압축부를 가지는 소위 복식 로터리 압축기가 제시되고 있다.Generally, a compressor converts mechanical energy into compressive energy of a compressive fluid, and is generally classified into reciprocating type, scroll type, centrifugal type, and vane type. The rotary compressor is mainly applied to an air conditioner such as an air conditioner. Recently, a so-called double rotary compressor having a plurality of compression parts has been proposed by symmetrically forming an eccentric portion of a rotating shaft so as to reduce the unloading load.

도 1은 종래 복식 로터리 압축기의 일례를 보인 단면도이다.1 is a cross-sectional view showing an example of a conventional double rotary compressor.

이에 도시한 바와 같이 종래의 복식 로터리 압축기는, 복수 개의 냉매흡입관(SP1)(SP2)과 냉매토출관(DP)을 연통 설치하는 케이싱(1)과, 케이싱(1)의 상측에 설치하여 회전력을 발생하도록 고정자(2a)와 회전자(2b)로 된 전동기구부(2)와, 케이싱(1)의 하측에 상하로 설치하여 상기 전동기구부(2)에서 발생하는 회전력을 회전축(3)에 의해 전달받아 냉매를 각각 압축하는 제1 압축기구부(10) 및 제2 압축기구부(20)로 구성하고 있다.As shown in the drawing, a conventional double rotary compressor includes a casing 1 for communicating a plurality of refrigerant suction pipes SP1 and SP2 and a refrigerant discharge pipe DP, and an upper portion of the casing 1 to provide rotational force. It is installed up and down under the casing 1, and the transmission mechanism 2 consisting of the stator 2a and the rotor 2b so as to be generated to transmit the rotational force generated by the transmission mechanism 2 by the rotation shaft 3. It consists of the 1st compression mechanism part 10 and the 2nd compression mechanism part 20 which respectively receive and compress a refrigerant | coolant.

또, 각 압축기구부(10)(20)의 입구측에는 흡입냉매에서 액냉매를 분리하는 한 개의 어큐뮬레이터(미도시)를 연결 설치하고, 어큐뮬레이터(미도시)의 출구는 각각 후술할 제1 실린더(11)의 흡입구(11a)와 제2 실린더(21)의 흡입구(21a)에 연결 설치하고 있다.In addition, an accumulator (not shown) for separating the liquid refrigerant from the suction refrigerant is connected to the inlet side of each of the compression mechanism units 10 and 20, and the outlets of the accumulators (not shown) are respectively described below. Is connected to the inlet port 11a of the () and the inlet port 21a of the second cylinder 21.

제1 압축기구부(10)는 환형으로 형성하여 케이싱(1)의 내부에 설치하는 제1 실린더(11)와, 제1 실린더(11)의 상하 양측을 복개하여 함께 제1 내부공간(V1)을 이루면서 상기한 회전축을 반경방향으로 지지하는 메인베어링(12) 및 미들베어링(13)과, 회전축(3)의 상측 편심부에 회전 가능하게 결합하여 제1 실린더(11)의 제1 내부공간(V1)에서 선회하면서 냉매를 압축하는 제1 롤링피스톤(14)과, 제1 롤링피스톤(14)의 외주면에 압접하도록 제1 실린더(11)에 반경방향으로 이동 가능하게 결합하여 상기 제1 실린더(11)의 제1 내부공간(V1)을 제1 흡입실과 제1 압축실로 각각 구획하는 제1 베인(미도시)과, 메인베어링(12)의 중앙부근에 구비한 제1 토출포트(12a) 선단에 개폐 가능하게 결합하여 제1 압축실에서 토출되는 냉매가스의 토출을 조절하는 리드형 제1 토출밸브(15)와, 제1 토출밸브를 수용하여 메인베어링의 상면에 고정 설치하는 제1 머플러(16)로 이루어져 있다. 제1 머플러(16)에는 각 실린더(11)(21)에서 토출되는 냉매가스가 케이싱(1)의 내부공간으로 배출되도록 가스통공(16a)을 형성하고 있다.The first compression mechanism 10 is formed in an annular shape to cover the first cylinder 11 installed inside the casing 1 and both the upper and lower sides of the first cylinder 11 to form the first internal space V1. The first inner space (V1) of the first cylinder 11 is rotatably coupled to the main bearing 12 and the middle bearing 13 for supporting the rotating shaft in the radial direction, and the upper eccentric portion of the rotating shaft (3) The first rolling piston (14) for compressing the refrigerant while turning in a) and the first cylinder (11) by radially movably coupled to the first cylinder (11) to press-contact with the outer peripheral surface of the first rolling piston (14) A first vane (not shown) for dividing the first internal space V1 into the first suction chamber and the first compression chamber, respectively, and a tip of the first discharge port 12a provided near the center of the main bearing 12. A lead-type first discharge valve 15 coupled to the opening and closing unit so as to regulate the discharge of the refrigerant gas discharged from the first compression chamber, and a first It consists of a first muffler 16 for receiving the discharge valve and fixed to the upper surface of the main bearing. The first muffler 16 is provided with a gas through hole 16a such that the refrigerant gas discharged from the cylinders 11 and 21 is discharged into the inner space of the casing 1.

제2 압축기구부(20)는 환형으로 형성하여 케이싱(1) 내부의 제1 실린더(11) 하측에 설치하는 제2 실린더(21)와, 제2 실린더(21)의 상하 양측을 복개하여 함께 제2 내부공간(V2)을 이루면서 상기한 회전축(3)을 반경방향 및 축방향으로 지지하는 미들베어링(13) 및 서브베어링(22)과, 회전축(3)의 하측 편심부에 회전 가능하게 결합하여 제2 실린더(21)의 제2 내부공간(V2)에서 선회하면서 냉매를 압축하는 제2 롤링피스톤(23)과, 제2 롤링피스톤(23)의 외주면에 압접하도록 제2 실린더(21)에 반경방향으로 이동 가능하게 결합하여 상기 제2 실린더(21)의 제2 내부공간(V2)을 제2 흡입실과 제2 압축실로 각각 구획하는 제2 베인(미도시)과, 서브베어링(22)의 중앙부근에 구비한 제2 토출포트(22a) 선단에 개폐 가능하게 결합하여 제2 압축실에서 토출되는 냉매가스의 토출을 조절하는 리드형 제2 토출밸브(24)와, 제2 토출밸브(24)를 수용하여 서브베어링(22)의 저면에 고정 설치하는 제2 머플러(25)로 이루어져 있다. The second compression mechanism 20 is formed in an annular shape to cover the second cylinder 21 installed below the first cylinder 11 inside the casing 1, and both the upper and lower sides of the second cylinder 21 together. 2 and the middle bearing 13 and the sub-bearing 22 to support the rotating shaft 3 in the radial and axial directions while forming the inner space (V2), and rotatably coupled to the lower eccentric portion of the rotating shaft (3) Radius of the second cylinder 21 so as to contact the outer circumferential surface of the second rolling piston 23 and the second rolling piston 23, which compresses the refrigerant while turning in the second inner space V2 of the second cylinder 21. A second vane (not shown) and a center of the sub-bearing 22 which are movably coupled in a direction to partition the second inner space V2 of the second cylinder 21 into a second suction chamber and a second compression chamber, respectively. It is coupled to the front end of the second discharge port 22a provided in the vicinity so as to control the discharge of the refrigerant gas discharged from the second compression chamber. Consists of a lead-type second discharge valve 24 and the second ejection second muffler (25) to accommodate the valve 24 is securely fixed to the bottom surface of the sub-bearing 22. The

여기서, 제2 머플러(25)로 토출되는 냉매를 제1 머플러(16)로 안내하도록 서브베어링(22), 제2 실린더(21), 미들베어링(13), 제1 실린더(11), 메인베어링(12) 등에는 축방향으로 일치하도록 제1, 제2, 제3, 제4, 제5 가스구멍(22b,21b,13a,11b,12b)을 형성하고 있다.Here, the sub-bearing 22, the second cylinder 21, the middle bearing 13, the first cylinder 11, the main bearing to guide the refrigerant discharged to the second muffler 25 to the first muffler 16 12, etc., first, second, third, fourth, and fifth gas holes 22b, 21b, 13a, 11b, and 12b are formed to coincide in the axial direction.

상기와 같은 종래 복식 로터리 압축기는 다음과 같이 동작한다.The conventional double rotary compressor as described above operates as follows.

즉, 전동기구부(2)의 고정자(2a)에 전원을 인가하여 회전자(2b)가 회전하면, 회전축(3)이 회전자(2b)와 함께 회전하면서 전동기구부(2)의 회전력을 제1 압축기구부(10)와 제2 압축기구부(20)에 전달하여 각각의 롤링피스톤(14)(23)이 각 실린더(11)(21)내에서 편심 회전하고, 이에 따라 냉매가스가 제1 실린더(11)와 제2 실린더(21)에 연결된 제1 냉매흡입관(SP1)과 제2 냉매흡입관(SP2)을 통해 각각의 흡입공간으로 번갈아 흡입되었다가 일정압력까지 압축되어 각 토출포트(12a)(22a)를 통해 케이싱(1)의 내부로 번갈아 토출되는 일련의 과정을 반복한다.That is, when the rotor 2b is rotated by applying power to the stator 2a of the power transmission mechanism 2, the rotating shaft 3 rotates together with the rotor 2b, and the rotational force of the power transmission mechanism 2 is firstly increased. The rolling pistons 14 and 23 are eccentrically rotated in the respective cylinders 11 and 21 so as to be transmitted to the compression mechanism section 10 and the second compression mechanism section 20, so that the refrigerant gas is supplied to the first cylinder ( 11) alternately sucked into each suction space through the first refrigerant suction pipe SP1 and the second refrigerant suction pipe SP2 connected to the second cylinder 21 and then compressed to a predetermined pressure to discharge each of the discharge ports 12a and 22a. Repeat a series of processes alternately discharged into the inside of the casing (1).

이때, 제1 실린더(11)에서 토출되는 냉매가스는 제1 토출밸브(15)를 거쳐 제1 머플러(16)에서 소음이 감쇄된 후 케이싱(1)의 내부공간으로 배출되는 반면 제2 실린더(21)에서 토출되는 냉매가스는 제2 토출밸브(24)를 거쳐 제2 머플러(25)에서 소음이 감쇄된 후 제1, 제2, 제3, 제4, 제5 가스구멍(22b,21b,13a,11b,12b)을 차례대로 통과하여 제1 머플러(25)로 유입되어 그 제1 머플러(16)에서 감쇄된 후 케이싱(1)의 내부공간으로 배출되는 것이었다.At this time, the refrigerant gas discharged from the first cylinder 11 is discharged into the inner space of the casing 1 after the noise is attenuated by the first muffler 16 via the first discharge valve 15 while the second cylinder ( 21, the refrigerant gas discharged from the first, second, third, fourth and fifth gas holes 22b and 21b after noise is attenuated by the second muffler 25 via the second discharge valve 24. 13a, 11b and 12b were sequentially passed through the first muffler 25 and attenuated by the first muffler 16 and then discharged into the inner space of the casing 1.

그러나, 상기와 같은 종래 복식 로터리 압축기에 있어서는, 서브프레임(22)과 제2 실린더(21)에 각각 가스구멍(22b)(21b)을 형성하는 것은 물론 서브프레임(22)의 하단에 별도의 제2 머플러(25)를 설치하여야 재료비용이 증가하고 제2 머플러(25)의 높이만큼 압축기가 커져야 하는 문제점이 있었다.However, in the conventional double rotary compressor as described above, the gas holes 22b and 21b are formed in the subframe 22 and the second cylinder 21, respectively, as well as in the lower end of the subframe 22. There is a problem in that the cost of the material increases and the compressor needs to be increased by the height of the second muffler 25 when the second muffler 25 is installed.

또, 제1 토출밸브(15)와 제2 토출밸브(24)가 모두 리드밸브 타입으로 구성됨에 따라 각각의 토출밸브(15)(24)가 개폐될 때 심한 밸브타음을 유발하여 압축기 소음을 가중시키는 문제점도 있었다.In addition, since both the first discharge valve 15 and the second discharge valve 24 are configured as a reed valve type, when the respective discharge valves 15 and 24 are opened and closed, a severe valve sound is caused to increase the compressor noise. There was also a problem.

본 고안은 상기와 같은 종래 복식 로터리 압축기가 가지는 문제점을 감안하여 안출한 것으로, 제2 실린더와 서브프레임의 형상을 간소화하고 제2 머플러를 제거하여 재료비용을 절감함과 아울러 압축기 크기를 줄일 수 있는 복식 로터리 압축기의 가스 토출 장치를 제공하려는데 그 목적이 있다.The present invention has been made in view of the problems of the conventional double rotary compressor as described above, and the shape of the second cylinder and the subframe can be simplified and the size of the compressor can be reduced while reducing the material cost by removing the second muffler. It is an object of the present invention to provide a gas discharge device of a double rotary compressor.

또, 각 압축공간에서 냉매가 토출될 때 발생하는 토출소음을 줄일 수 있는 복식 로터리 압축기의 가스 토출 장치를 제공하려는데 본 고안의 목적이 있다. In addition, an object of the present invention is to provide a gas discharge device of a double rotary compressor that can reduce the discharge noise generated when the refrigerant is discharged in each compression space.

본 고안의 목적을 달성하기 위하여, 냉매를 독립적으로 흡입 압축하는 제1 실린더 및 제2 실린더와, 양쪽 실린더의 중간에 개재하여 두 실린더의 내부공간을 구분하는 미들베어링과, 양쪽 실린더의 상하 양측에 각각 설치하여 두 실린더의 내부공간을 밀봉함과 아울러 구동모터의 회전력을 전달하는 회전축을 지지하는 메인베어링 및 서브베어링과, 양쪽 실린더의 내부공간에서 회전축에 편심지게 결합하여 선회운동을 하면서 각각의 베인과 함께 냉매를 압축하는 복수 개의 롤링피스톤을 포함한 복식 로터리 압축기에 있어서, 메인베어링에는 제1 실린더에서 압축된 냉매를 토출하도록 제1 토출유로를 형성함과 아울러 제2 실린더와 미들베어링과 제1 실린더 그리고 상기 메인베어링에는 상기한 제2 실린더에서 압축된 냉매를 토출하도록 제2 토출유로를 연통 형성하며, 메인프레임에는 제1 토출유로와 제2 토출유로를 번갈아 개폐할 수 있는 공용토출밸브조립체를 설치하고, 메인베어링의 외측면에는 공용토출밸브조립체를 수용하여 냉매의 토출소음을 상쇄하도록 공용머플러를 고정 설치하여서 된 것을 특징으로 하는 복식 로터리 압축기의 가스 토출 장치를 제공한다.In order to achieve the object of the present invention, the first and second cylinders to independently suck and compress the refrigerant, a middle bearing for separating the inner space of the two cylinders in the middle of both cylinders, and the upper and lower sides of both cylinders Main bearings and sub-bearings that support the rotating shaft that transmits the rotational force of the drive motor and seal the inner space of the two cylinders by installing each, and each vane is pivotally combined with the rotating shaft in the inner space of both cylinders. In the multiple rotary compressor including a plurality of rolling pistons for compressing the refrigerant together with the first bearing, the main bearing is formed with a first discharge passage to discharge the refrigerant compressed in the first cylinder, the second cylinder, the middle bearing and the first cylinder And a second discharge passage to discharge the refrigerant compressed in the second cylinder to the main bearing. The main frame is provided with a common discharge valve assembly for opening and closing the first discharge passage and the second discharge passage alternately, and the common discharge valve assembly is accommodated on the outer surface of the main bearing to cancel discharge noise of the refrigerant. Provided is a gas discharge device for a double rotary compressor characterized in that the common muffler is fixed.

이하, 본 고안에 의한 복식 로터리 압축기의 가스 토출 장치를 첨부도면에 도시한 일실시예에 의거하여 상세하게 설명한다.Hereinafter, a gas discharge device of a double rotary compressor according to the present invention will be described in detail with reference to an embodiment shown in the accompanying drawings.

도 2는 본 고안 복식 로터리 압축기의 일례를 보인 단면도이고, 도 3은 도 2의 "Ⅰ-Ⅰ"선단면도이며, 도 4a 및 도 4b는 본 고안 복식 로터리 압축기에서 각 압축기구부에서 냉매가 토출되는 과정을 보인 개략도이다.2 is a cross-sectional view showing an example of the present invention of a double rotary compressor, FIG. 3 is a sectional view taken along line "I-I" of FIG. 2, and FIGS. 4A and 4B are refrigerants discharged from each compression mechanism in the double rotary compressor of the present invention. Schematic diagram showing the process.

이에 도시한 바와 같이 본 고안에 의한 복식 로터리 압축기는, 케이싱(1)의 상측에 회전력을 발생하도록 전동기구부(2)를 설치하고, 전동기구부(2)에서 발생하는 회전력을 회전축(3)에 의해 전달받아 냉매를 각각 압축하는 제1 압축기구부(110) 및 제2 압축기구부(120)를 상기 전동기구부(2)의 하측에 상하 설치하며, 제1 압축기구부(110)와 제2 압축기구부(120)에서 압축된 냉매는 모두 후술할 메인베어링(112)을 통해 케이싱(1)의 내부로 토출되도록 구성한다.As shown in the drawing, the double rotary compressor according to the present invention is provided with an electric mechanism part 2 so as to generate a rotational force on the upper side of the casing 1, and the rotational force generated by the electric mechanism part 2 by the rotary shaft 3. The first compression mechanism 110 and the second compression mechanism 120 for compressing the refrigerant, respectively, is installed up and down the lower side of the transmission mechanism 2, the first compression mechanism 110 and the second compression mechanism 120 Refrigerant compressed in the) is configured to be discharged to the inside of the casing (1) through the main bearing 112 to be described later.

제1 압축기구부(110)는 환형으로 형성하여 케이싱(1)의 내부에 설치하는 제1 실린더(111)와, 제1 실린더(111)의 상하 양측을 복개하여 함께 제1 내부공간(V1)을 이루면서 상기한 회전축(3)을 반경방향으로 지지하는 메인베어링(112) 및 미들베어링(113)과, 회전축(3)의 상측 편심부에 회전 가능하게 결합하여 제1 실린더(111)의 제1 내부공간(V1)에서 선회하면서 냉매를 압축하는 제1 롤링피스톤(114)과, 제1 롤링피스톤(114)의 외주면에 압접하도록 제1 실린더(111)에 반경방향으로 이동 가능하게 결합하여 상기 제1 실린더(111)의 제1 내부공간(V1)을 제1 흡입실과 제1 압축실로 각각 구획하는 제1 베인(미도시)과, 메인베어링(112)에 설치하여 제1 압축실에서 토출되는 냉매가스와 제2 압축실에서 토출되는 냉매가스를 함께 조절하는 한 개의 공용토출밸브조립체(130)와, 공용토출밸브조립체(130)를 수용하여 상기 메인베어링(112)에 고정 설치하는 한 개의 공용머플러(116)로 이루어진다.The first compression mechanism 110 is formed in an annular shape to cover the first cylinder 111 installed in the casing 1 and the upper and lower sides of the first cylinder 111 to form the first internal space V1 together. The main bearing 112 and the middle bearing 113 to radially support the rotating shaft 3 and the upper eccentric portion of the rotating shaft 3 to be rotatably coupled to the first inside of the first cylinder 111. The first rolling piston 114, which rotates in the space V1 and compresses the refrigerant, is radially movably coupled to the first cylinder 111 so as to be press-contacted to the outer circumferential surface of the first rolling piston 114, and thus the first rolling piston 114 is compressed. First vane (not shown) for dividing the first internal space V1 of the cylinder 111 into the first suction chamber and the first compression chamber, and the refrigerant gas installed in the main bearing 112 to be discharged from the first compression chamber. And a common discharge valve assembly 130 for controlling the refrigerant gas discharged from the second compression chamber together, and the common soil. Is achieved by receiving the valve assembly 130 by a single common muffler 116 is securely fixed to the main bearing 112.

제2 압축기구부(120)는 환형으로 형성하여 케이싱(1) 내부의 제1 실린더(111) 하측에 설치하는 제2 실린더(121)와, 제2 실린더(121)의 상하 양측을 복개하여 함께 제2 내부공간(V1)을 이루면서 상기한 회전축(3)을 반경방향 및 축방향으로 지지하는 미들베어링(113) 및 서브베어링(122)과, 회전축(3)의 하측 편심부에 회전 가능하게 결합하여 제2 실린더(121)의 제2 내부공간(V2)에서 선회하면서 냉매를 압축하는 제2 롤링피스톤(123)과, 제2 롤링피스톤(123)의 외주면에 압접하도록 제2 실린더(121)에 반경방향으로 이동 가능하게 결합하여 상기 제2 실린더(121)의 제2 내부공간(V2)을 제2 흡입실과 제2 압축실로 각각 구획하는 제2 베인(미도시)으로 이루어진다.The second compression mechanism part 120 is formed in an annular shape to cover the second cylinder 121 installed below the first cylinder 111 inside the casing 1, and the upper and lower sides of the second cylinder 121, 2 and the middle bearing 113 and the sub-bearing 122 to support the rotary shaft 3 in the radial and axial directions while forming the inner space (V1), and rotatably coupled to the lower eccentric portion of the rotary shaft (3) A radius of the second cylinder 121 so as to contact the outer circumferential surface of the second rolling piston 123 and the second rolling piston 123 compresses the refrigerant while turning in the second inner space V2 of the second cylinder 121. A second vane (not shown) which is movably coupled in a direction to partition the second inner space V2 of the second cylinder 121 into a second suction chamber and a second compression chamber, respectively.

여기서, 메인베어링(112)은 제1 압축실에 연통하여 제1 토출유로를 이루면서 제1 압축실에서 압축된 냉매가스를 공용머플러(116)로 토출하는 제1 토출포트(112a)를 형성하고, 제1 토출포트(112a)의 일측에는 제2 압축실에 연통하여 압축된 냉매가스를 공용머플러(116)로 토출하는 제2 토출포트(112b)를 형성한다. 또, 미들베어링(113)과 제1 실린더(111)에는 메인베어링(112)의 제2 토출포트(112b)에 연통하여 제2 토출유로를 이루도록 가스구멍(113a)(111b)을 각각 형성한다.Here, the main bearing 112 forms a first discharge passage in communication with the first compression chamber to form a first discharge passage, and discharges the refrigerant gas compressed in the first compression chamber to the common muffler 116, A second discharge port 112b is formed at one side of the first discharge port 112a to discharge the refrigerant gas compressed in communication with the second compression chamber to the common muffler 116. In addition, gas holes 113a and 111b are formed in the middle bearing 113 and the first cylinder 111 so as to communicate with the second discharge port 112b of the main bearing 112 to form a second discharge flow path.

공용토출밸브조립체(130)는 도 3에서와 같이 제1 토출포트(112a)와 제2 토출포트(112b)를 함께 수용하도록 그 제1 토출포트(112a)와 제2 토출포트(112b)의 중간에 구비하는 밸브하우징(131)과, 밸브하우징(131)의 내부에 미끄러지게 삽입하여 냉매의 토출방향에 따라 상기한 밸브하우징(131)의 내부에서 미끄러지면서 제1 토출포트(112a)와 제2 토출포트(112b)를 선택적으로 개폐하는 슬라이딩밸브(132)와, 슬라이딩밸브(131)의 미끄럼방향 양측에 구비하여 상기 슬라이딩밸브(132)를 탄력 지지하도록 거의 동일한 탄성력을 갖는 압축코일스프링으로 된 복수 개의 밸브스프링(133)(134)으로 이루어진다.The common discharge valve assembly 130 has an intermediate portion between the first discharge port 112a and the second discharge port 112b to accommodate the first discharge port 112a and the second discharge port 112b together, as shown in FIG. 3. It is inserted into the valve housing 131 and the valve housing 131, which is provided in the slide housing in accordance with the discharge direction of the refrigerant, the first discharge port (112a) and the second discharge port (112a) A plurality of sliding valves 132 for selectively opening and closing the discharge port 112b and compression coil springs having substantially the same elastic force to elastically support the sliding valve 132 by being provided on both sides in the sliding direction of the sliding valve 131. Valve springs 133 and 134.

밸브하우징(131)은 제1 토출포트(112a)와 제2 토출포트(112b)의 각 도입측을 수용하도록 상기 메인프레임(112)의 상면에 소정의 깊이로 음형진 하우징홈(131a)을 슬라이딩밸브(132)와 같이 원형 또는 사각형 단면 모양으로 형성하고, 하우징홈(131a)에 슬라이딩밸브(132)을 수용함과 아울러 제1 토출포트(112a)와 제2 토출포트(112b)의 각 도출측을 형성하는 하우징덮개판(131b)으로 상기한 하우징홈(131a)을 복개하여 이루어진다.The valve housing 131 slides the negative housing groove 131a to a predetermined depth on the upper surface of the main frame 112 to accommodate each introduction side of the first discharge port 112a and the second discharge port 112b. It is formed in a circular or rectangular cross-sectional shape like the valve 132, accommodates the sliding valve 132 in the housing groove (131a), and each of the outlet side of the first discharge port (112a) and the second discharge port (112b) It is made by covering the housing groove 131a with the housing cover plate 131b forming a.

하우징홈(131a)은 제1 토출포트(112a)와 제2 토출포트(112b)의 각 도입측이 슬라이딩밸브(132)의 이동 폭 밖에 위치하도록 형성하는 반면 하우징덮개판(131b)은 각 토출포트(112a)(112b)의 도출측은 적어도 어느 한 쪽이 슬라이딩밸브(132)의 이동 폭 안에서 중첩되어 위치하도록 형성한다.The housing groove 131a is formed such that each introduction side of the first discharge port 112a and the second discharge port 112b is located outside the movement width of the sliding valve 132, while the housing cover plate 131b is formed at each discharge port. At least one of the leading sides 112a and 112b is formed so as to overlap each other within the moving width of the sliding valve 132.

하우징덮개판(131b)은 상기 하우징홈(131a)을 완전히 복개할 수 있는 넓이로 형성하고, 그 일측에는 상기한 제1 토출포트(112a)와 독립적으로 연통하도록 제1 토출구(135a)를 형성하며, 그 타측에는 상기한 제2 토출포트(112b)와 독립적으로 연통하도록 제2 토출구(135b)를 형성한다.The housing cover plate 131b is formed to have a width to completely cover the housing groove 131a, and forms a first discharge port 135a on one side thereof so as to communicate with the first discharge port 112a independently. On the other side, a second discharge port 135b is formed to communicate with the second discharge port 112b independently.

도면중 종래와 동일한 부분에 대하여는 동일한 부호를 부여하였다.In the drawings, the same reference numerals are given to the same parts as in the prior art.

도면중 미설명 부호인 111a, 121a는 각각 흡입구이다.In the drawings, reference numerals 111a and 121a denote suction ports.

상기와 같은 본 고안 복식 로터리 압축기의 가스 토출 장치는 다음과 같은 작용 효과를 갖는다.The gas discharge device of the double rotary compressor of the present invention as described above has the following effects.

즉, 전동기구부(2)의 고정자(2a)에 전원을 인가하여 회전자(2b)가 회전축(3)과 함께 회전하면, 제1 압축기구부(110)와 제2 압축기구부(120)의 각 롤링피스톤(114)(123)이 각각의 실린더(111)(121) 내부공간으로 편심 회전하면서 냉매가스를 흡입하여 압축한 후 번갈아 토출하는 일련의 과정을 반복한다. That is, when the rotor 2b rotates together with the rotating shaft 3 by applying power to the stator 2a of the electric mechanism part 2, each rolling of the 1st compression mechanism part 110 and the 2nd compression mechanism part 120 is carried out. The piston 114, 123 is rotated eccentrically into the inner space of each of the cylinder (111, 121) to repeat the series of processes to inhale and compress the refrigerant gas, and then alternately discharge.

이때, 도 4a에서와 같이 제1 압축기구부(110)에서 냉매가 토출될 때는 제1 토출포트(112a)의 도입측으로 토출되는 냉매가스의 압력에 의한 힘과 제1 토출포트측 밸브스프링(도면의 좌측)(133)의 탄성력을 합한 힘이 제2 토출포트측 밸브스프링(134)의 탄성력 보다 크기 때문에 상기한 슬라이딩밸브(132)가 제2 토출포트(112b) 쪽으로 밀려 이동을 하면서 제1 토출포트(112a)의 도출측이 개방된다. 이 열린 제1 토출포트(112a)를 통해 제1 압축실에서 압축된 냉매가스가 공용머플러(116)로 토출되는 것이다. At this time, when the refrigerant is discharged from the first compression mechanism (110) as shown in Figure 4a the force by the pressure of the refrigerant gas discharged to the introduction side of the first discharge port (112a) and the first discharge port side valve spring (Fig. Since the combined force of the elastic force of the left side 133 is greater than the elastic force of the valve spring 134 of the second discharge port side, the sliding valve 132 is pushed toward the second discharge port 112b to move the first discharge port. The derivation side of 112a is opened. The refrigerant gas compressed in the first compression chamber through the open first discharge port 112a is discharged to the common muffler 116.

반면, 도 4b에서와 같이 제2 압축기구부(120)에서 냉매가 토출될 때는 제2 토출포트(112b)의 도입측으로 토출되는 냉매가스의 압력에 의한 힘과 제2 토출포트측 밸브스프링(도면의 우측)(134)의 탄성력을 합한 힘이 제1 토출포트측 밸브스프링(133)의 탄성력 보다 크기 때문에 상기한 슬라이딩밸브(132)가 제1 토출포트(112a) 쪽으로 밀려 이동을 하면서 제2 토출포트(112b)의 도출측이 개방된다. 이 열린 제2 토출포트(112b)를 통해 제2 압축실에서 압축된 냉매가스가 공용머플러(116)로 토출되는 것이다.On the other hand, when the refrigerant is discharged from the second compression mechanism (120) as shown in Figure 4b, the force by the pressure of the refrigerant gas discharged to the introduction side of the second discharge port 112b and the second discharge port side valve spring (Fig. Since the combined force of the elastic force of the right side 134 is greater than the elastic force of the valve spring 133 of the first discharge port, the sliding valve 132 is pushed toward the first discharge port 112a and moved to the second discharge port. The derivation side of 112b is opened. The refrigerant gas compressed in the second compression chamber through the open second discharge port 112b is discharged to the common muffler 116.

이렇게, 제2 실린더에서 토출되는 냉매가 미들베어링과 제1 실린더 그리고 메인베어링의 가스구멍을 통해 공용머플러로 유입됨과 아울러 제1 실린더에서 토출되는 냉매 역시 공용머플러로 유입되었다가 케이싱으로 배출되도록 함으로써, 서브베어링에 별도의 머플러를 설치할 필요가 없어 부품수 절감에 따른 비용절감과 압축기의 크기를 줄일 수 있다.In this way, the refrigerant discharged from the second cylinder is introduced into the common muffler through the gas bearings of the middle bearing, the first cylinder and the main bearing, and the refrigerant discharged from the first cylinder is also introduced into the common muffler and discharged into the casing. There is no need to install a separate muffler in the sub-bearings, which can reduce the cost and the size of the compressor.

또, 제1 토출포트와 제2 토출포트의 중간에 미끄럼방식의 공용토출밸브조립체를 설치함으로써, 냉매가스의 토출시 토출소음을 줄여 압축기의 신뢰성을 높일 수 있다.In addition, by providing a sliding type discharge valve assembly between the first discharge port and the second discharge port, it is possible to increase the reliability of the compressor by reducing discharge noise during discharge of the refrigerant gas.

본 고안에 의한 복식 로터리 압축기의 가스 토출 장치는, 제1 압축기구부와 제2 압축기구부에서 압축되는 냉매가 메인베어링에 구비한 한 개의 공용머플러로 안내함으로써, 제1 압축기구부와 제2 압축기구부의 머플러를 통합 활용할 수 있어 머플러 개수를 줄일 수 있고 이를 통해 재료비용을 절감할 수 있을 뿐만 아니라 압축기를 소형화할 수 있다. 또, 메인베어링에는 미끄럼방식의 공용토출밸브조립체를 구비함으로써, 냉매가스의 토출시 토출소음을 줄여 압축기의 신뢰성을 높일 수 있다.The gas discharge device of the double rotary compressor according to the present invention, the refrigerant compressed in the first compression mechanism section and the second compression mechanism section is guided to one common muffler provided in the main bearing, whereby the first compression mechanism section and the second compression mechanism section The integrated use of the muffler reduces the number of mufflers, which not only saves material costs but also makes the compressor smaller. In addition, the main bearing is provided with a slide type common discharge valve assembly to reduce the discharge noise during the discharge of the refrigerant gas, thereby increasing the reliability of the compressor.

도 1은 종래 복식 로터리 압축기의 일례를 보인 단면도,1 is a cross-sectional view showing an example of a conventional double rotary compressor,

도 2는 본 고안 복식 로터리 압축기의 일례를 보인 단면도,Figure 2 is a cross-sectional view showing an example of the present invention double rotary compressor,

도 3은 도 2의 "Ⅰ-Ⅰ"선단면도,3 is a cross-sectional view taken along line "I-I" of FIG.

도 4a 및 도 4b는 본 고안 복식 로터리 압축기에서 각 압축기구부에서 냉매가 토출되는 과정을 보인 개략도.4A and 4B are schematic views illustrating a process of discharging refrigerant from each compression mechanism unit in the inventive double rotary compressor.

**도면의 주요 부분에 대한 부호의 설명**** Description of the symbols for the main parts of the drawings **

110 : 제1 압축기구부 111 : 제1 실린더110: first compressor mechanism 111: first cylinder

111a : 제1 흡입구 111b : 제1 실린더의 가스구멍111a: first suction port 111b: gas hole of the first cylinder

112 : 메인베어링 112a : 제1 토출포트112: main bearing 112a: first discharge port

112b : 제2 토출포트 113 : 미들베어링112b: second discharge port 113: middle bearing

113a : 미들베어링의 가스구멍 116 : 공용머플러113a: gas hole of the middle bearing 116: common muffler

120 : 제2 압축기구부 121 : 제2 실린더120: second compression mechanism 121: second cylinder

121a : 제2 흡입구 122 : 서브베어링121a: second suction port 122: sub-bearing

130 : 공용토출밸브조립체 131 : 밸브하우징130: common discharge valve assembly 131: valve housing

131a : 하우징홈 131b : 하우징덮개판131a: housing groove 131b: housing cover plate

132 : 슬라이딩밸브 133,134 : 밸브스프링132: sliding valve 133,134: valve spring

135a,135b : 제1,제2 토출구 V1,V2 : 제1,제2 내부공간135a, 135b: first and second discharge ports V1 and V2: first and second internal spaces

SP1,SP2 : 제1, 제2 냉매흡입관SP1, SP2: First and second refrigerant suction pipe

Claims (4)

냉매를 독립적으로 흡입 압축하는 제1 실린더 및 제2 실린더와, 양쪽 실린더의 중간에 개재하여 두 실린더의 내부공간을 구분하는 미들베어링과, 양쪽 실린더의 상하 양측에 각각 설치하여 두 실린더의 내부공간을 밀봉함과 아울러 구동모터의 회전력을 전달하는 회전축을 지지하는 메인베어링 및 서브베어링과, 양쪽 실린더의 내부공간에서 회전축에 편심지게 결합하여 선회운동을 하면서 각각의 베인과 함께 냉매를 압축하는 복수 개의 롤링피스톤을 포함한 복식 로터리 압축기에 있어서,The first and second cylinders, which independently suck and compress the refrigerant, a middle bearing that separates the inner spaces of the two cylinders between the two cylinders, and the upper and lower sides of the two cylinders, respectively, are installed to Main bearings and sub-bearings that support the rotating shaft that transfers the rotational force of the drive motor, and a plurality of rollings that compress the refrigerant together with each vane while pivoting by eccentrically engaging the rotating shaft in the inner space of both cylinders. In a double rotary compressor including a piston, 메인베어링에는 제1 실린더에서 압축된 냉매를 토출하도록 제1 토출유로를 형성함과 아울러 제2 실린더와 미들베어링과 제1 실린더 그리고 상기 메인베어링에는 상기한 제2 실린더에서 압축된 냉매를 토출하도록 제2 토출유로를 연통 형성하며, 메인프레임에는 제1 토출유로와 제2 토출유로를 번갈아 개폐할 수 있는 공용토출밸브조립체를 설치하고, 메인베어링의 외측면에는 공용토출밸브조립체를 수용하여 냉매의 토출소음을 상쇄하도록 공용머플러를 고정 설치하여서 된 것을 특징으로 하는 복식 로터리 압축기의 가스 토출 장치.The main bearing is provided with a first discharge passage to discharge the refrigerant compressed in the first cylinder, and the second cylinder, the middle bearing, the first cylinder, and the main bearing are configured to discharge the refrigerant compressed in the second cylinder. 2 discharge flow path is formed in communication, and the main frame is provided with a common discharge valve assembly that can open and close the first discharge passage and the second discharge passage alternately, and the common discharge valve assembly is accommodated on the outer surface of the main bearing to discharge the refrigerant A gas discharge device for a double rotary compressor, wherein the common muffler is fixed to offset the noise. 제1항에 있어서,The method of claim 1, 공용토출밸브조립체는 제1 토출유로와 제2 토출유로를 함께 수용하도록 그 제1 토출유로와 제2 토출유로의 중간에 구비하는 밸브하우징과, 밸브하우징의 내부에 미끄러지게 삽입하여 냉매의 토출방향에 따라 상기한 밸브하우징의 내부에서 미끄러지면서 제1 토출유로와 제2 토출유로를 선택적으로 개폐하는 슬라이딩밸브와, 슬라이딩밸브의 미끄럼방향 양측에 구비하여 상기 슬라이딩밸브를 탄력 지지하는 복수 개의 밸브스프링으로 이루어지는 것을 특징으로 하는 복식 로터리 압축기의 가스 토출 장치.The common discharge valve assembly includes a valve housing provided between the first discharge passage and the second discharge passage so as to accommodate the first discharge passage and the second discharge passage together, and is inserted into the valve housing so as to slide in the discharge direction of the refrigerant. Sliding valve in the valve housing according to the sliding valve for selectively opening and closing the first discharge passage and the second discharge passage, and a plurality of valve springs provided on both sides of the sliding direction of the sliding valve to elastically support the sliding valve A gas discharge device for a double rotary compressor. 제2항에 있어서,The method of claim 2, 밸브하우징은 제1 토출유로와 제2 토출유로의 각 도입측이 슬라이딩밸브의 이동 폭 밖에 위치하도록 형성하는 반면 각 토출유로의 도출측은 적어도 어느 한 쪽이 슬라이딩밸브의 이동 폭 안에 위치하도록 형성하는 것을 특징으로 하는 복식 로터리 압축기의 가스 토출 장치.The valve housing is formed so that each introduction side of the first discharge passage and the second discharge passage is located outside the movement width of the sliding valve, while the discharge side of each discharge passage is formed such that at least one of them is located within the movement width of the sliding valve. A gas discharge device for a double rotary compressor. 제3항에 있어서,The method of claim 3, 밸브하우징은 제1 토출유로와 제2 토출유로의 각 도입측을 수용하도록 상기 메인프레임에 소정의 깊이로 음형진 하우징홈을 형성하고, 하우징홈에 슬라이딩밸브을 수용함과 아울러 제1 토출유로와 제2 토출유로의 각 도출측을 형성하는 하우징덮개판으로 상기한 하우징홈을 복개하여서 된 것을 특징으로 하는 복식 로터리 압축기의 가스 토출 장치.The valve housing forms a negative housing groove at a predetermined depth in the main frame to accommodate each inlet side of the first discharge passage and the second discharge passage, accommodates the sliding valve in the housing groove, and the first discharge passage and the first discharge passage. 2. A gas discharge device for a double rotary compressor, wherein the housing groove is covered with a housing cover plate which forms each lead-out side of the discharge passage.
KR20-2005-0014220U 2005-05-19 2005-05-19 Gas discharge apparatus for twin rotary compressor KR200392424Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101464383B1 (en) * 2008-07-22 2014-11-27 엘지전자 주식회사 Compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101464383B1 (en) * 2008-07-22 2014-11-27 엘지전자 주식회사 Compressor

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