WO2022197092A1 - 로터리 압축기 - Google Patents
로터리 압축기 Download PDFInfo
- Publication number
- WO2022197092A1 WO2022197092A1 PCT/KR2022/003675 KR2022003675W WO2022197092A1 WO 2022197092 A1 WO2022197092 A1 WO 2022197092A1 KR 2022003675 W KR2022003675 W KR 2022003675W WO 2022197092 A1 WO2022197092 A1 WO 2022197092A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sub
- oil
- back pressure
- oil supply
- supply hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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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
- F04C18/344—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 inner member
- F04C18/3441—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 inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
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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
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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
- 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
- F04C23/008—Hermetic pumps
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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
- 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
- F04C29/023—Lubricant distribution through a hollow driving shaft
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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
- 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
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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
- F04C2240/00—Components
- F04C2240/20—Rotors
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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
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/50—Bearings
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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
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/56—Bearing bushings or details thereof
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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
- F04C2240/00—Components
- F04C2240/60—Shafts
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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
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft
Definitions
- the roller is provided on the rotation shaft to be eccentrically provided in the compression space, at least one vane slot is formed along an outer circumferential surface, and a back pressure chamber is communicated with an inner end of the vane slot.
- the vane is slidably inserted into the vane slot so that the front end surface thereof is in contact with the inner circumferential surface of the cylinder to separate the compression space into a plurality of compression chambers.
- An oil supply hole for communicating the back pressure chamber with the oil storage space may pass through the main bearing or the sub bearing.
- the oil supply hole may penetrate between one side of the sub-plate part facing the roller on the inner peripheral surface of the sub-bearing hole of the sub-bush part. Through this, the oil flowing into the sub-bearing surface by centrifugal force is quickly supplied to the rear end surface of the vane, thereby suppressing the delay in initial start-up.
- a communication groove may be formed between an upper end facing the roller and the back pressure pocket facing the roller in a circumferential direction.
- the driving motor 120 is a part constituting the electric part, and provides power to drive the compression part 130 .
- the driving motor 120 includes a stator 121 , a rotor 122 , and a rotation shaft 123 .
- a first sub back pressure pocket 1325a and a second sub back pressure pocket 1325b are formed on the upper surface of the sub plate portion 1321 facing the lower surface of the roller 134 among both sides of the sub plate portion 1321 in the axial direction.
- each compression chamber V1, V2, and V3 is formed differently, and one A plurality of discharge ports may communicate with one compression chamber, or a plurality of compression chambers may communicate with one discharge port.
- the proximity portion 1332a may also be defined as the proximity point P1 , and the first quadrant Q1 and the fourth quadrant Q4 described above may be divided based on the proximity portion 1332a .
- An inlet 1331 may be formed in the first quadrant Q1 and an outlet 1313 may be formed in both sides of the fourth quadrant Q4 based on the adjacent portion 1332a. Accordingly, when the vanes 1351, 1352, and 1353 pass the proximity point P1, the compression surfaces of the rollers 1351, 1352, and 1353 in the rotational direction receive a suction pressure that is low pressure, but the compression back surface on the opposite side receives a high pressure. phosphorus discharge pressure.
- the roller 134 is rotatably provided in the compression space V of the cylinder 133 , and the roller 134 has a plurality of vanes 1351 , 1352 , 1353 to be described later. It may be inserted at a predetermined interval along this circumferential direction. Accordingly, compression chambers as many as the number of the plurality of vanes 1351 , 1352 and 1353 may be partitioned in the compression space V .
- the plurality of vanes 1351, 1352, and 1353 are composed of three and the compression space V will be described mainly in an example in which three compression chambers are partitioned.
- FIG. 4 is a perspective view seen from the upper side by disassembling a part of the compression part in FIG. 1
- FIG. 5 is a perspective view seen from the lower side by assembling a part of the compression part in FIG. 4
- FIG. 7 is a schematic view shown to explain the effect of the refueling hole in FIG. 1 .
- the tip surfaces 1351a, 1352a, and 1353a of the vanes 1351, 1352, 1353 receive suction pressure from the rotational direction and discharge pressure from the opposite side of the rotational direction to unstable pressure.
- the rear end surfaces 1351b, 1352b, and 1353b of the vanes 1351, 1352 and 1353 receive a back pressure lower than the discharge pressure while passing through the separation section ⁇ .
- 1353 does not sufficiently suppress the backward pressure received by the front end surfaces 1351a, 1352a, 1353a.
- a communication groove 1328 is formed between the rear end side of the second sub back pressure pocket 1325b based on the rotation direction of the roller 134 and the upper side of the oil supply hole 1327 facing it in the circumferential direction. more can be formed. Accordingly, the oil supply hole 1327 may communicate with the second sub back pressure pocket 1325b through the communication groove 1328 .
- FIG. 12 is a cross-sectional view showing another embodiment of the oil supply hole in FIG. 1
- FIG. 13 is a cross-sectional view illustrating another embodiment of the oil supply hole in FIG. 1 .
- the oil groove 1322c is spirally formed on the sub-bearing surface 1322b, and the inlet 1327a of the oil supply hole 1327 may be formed to penetrate in the middle of the oil groove 1322c.
- a part of the oil sucked through the oil groove 132c by centrifugal force when the rotating shaft 123 rotates is introduced into the oil supply hole 1327, and this oil is supplied through the oil supply hole 1327 to the back pressure chamber 1343a). (1343b) (1343c) can be fed quickly.
- the back pressure chambers 1343a, 1343b and 1343c are formed larger inside the vane slots 1342a, 1342b, and 1342c (that is, toward the center of the roller), but the back pressure chamber 1343a 1343b and 1343c may be formed with the same cross-sectional area as the vane slots 1342a, 1342b, and 1342c.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Supercharger (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
Claims (16)
- 내부에 저유공간이 구비되는 케이싱;상기 케이싱의 내부에 고정되어 압축공간을 형성하는 실린더;상기 실린더의 축방향 양쪽에 각각 구비되며, 축방향으로 관통되는 메인베어링구멍과 서브베어링구멍이 각각 구비되는 메인베어링 및 서브베어링;상기 메인베어링구멍과 상기 서브베어링구멍을 관통하여 지지되는 회전축;상기 회전축에 구비되어 상기 압축공간에 편심지게 구비되고, 외주면을 따라 적어도 한 개 이상의 베인슬롯이 형성되며, 상기 베인슬롯의 내측단에는 배압챔버가 연통되는 롤러; 및상기 베인슬롯에 미끄러지게 삽입되며, 선단면이 상기 실린더의 내주면에 접촉되어 상기 압축공간을 복수 개의 압축실로 분리하는 적어도 한 개 이상의 베인을 포함하며,상기 메인베어링 또는 상기 서브베어링에는,상기 배압챔버를 상기 저유공간에 연통시키는 급유홀이 관통되는 로터리 압축기.
- 제1항에 있어서,상기 저유공간을 마주보도록 배치되는 상기 서브베어링은,상기 실린더의 축방향 일측면에 결합되는 서브플레이트부; 및상기 서브플레이트부에서 축방향으로 연장되고, 상기 서브베어링구멍이 관통되는 서브부시부를 포함하고,상기 급유홀은,상기 서브부시부를 관통하여 형성되는 로터리 압축기.
- 제2항에 있어서,상기 급유홀은,상기 서브부시부의 축방향 단부면에서 상기 롤러를 마주보는 상기 서브플레이트부의 일측면 사이를 관통하는 로터리 압축기.
- 제2항에 있어서,상기 급유홀은,상기 서브베어링구멍의 내주면에서 상기 롤러를 마주보는 상기 서브플레이트부의 일측면 사이를 관통하는 로터리 압축기.
- 제4항에 있어서,상기 서브베어링구멍의 내주면에는 오일그루브가 형성되고,상기 급유홀은,상기 오일그루브의 중간에 연통되도록 형성되는 로터리 압축기.
- 제1항에 있어서,상기 저유공간을 마주보도록 배치되는 상기 서브베어링은,상기 실린더의 축방향 일측면에 결합되는 서브플레이트부; 및상기 서브플레이트부에서 축방향으로 연장되고, 상기 회전축이 관통하여 지지되는 서브부시부를 포함하고,상기 급유홀은,상기 서브플레이트부를 관통하여 형성되는 로터리 압축기.
- 제6항에 있어서,상기 급유홀은,상기 서브플레이트부의 축방향 양쪽 측면 사이를 축방향에 대해 경사지게 관통하는 로터리 압축기.
- 제6항에 있어서,상기 급유홀은,상기 서브플레이트부의 외주면에서 반경방향으로 연장되는 제1 홀부와, 상기 제1 홀부의 내측에서 상기 롤러를 마주보는 상기 서브플레이트부의 축방향 일측면으로 관통되는 제2 홀부로 이루어지는 로터리 압축기.
- 제1항에 있어서,상기 저유공간을 마주보도록 배치되는 상기 서브베어링은,상기 실린더의 축방향 일측면에 결합되는 서브플레이트부; 및상기 서브플레이트부에서 축방향으로 연장되고, 상기 서브베어링구멍이 관통되는 서브부시부를 포함하고,상기 서브부시부에는 오일펌프가 더 구비되며,상기 급유홀은,상기 오일펌프의 출구에 연통되는 로터리 압축기.
- 제1항 내지 제9항 중 어느 한 항에 있어서,상기 회전축의 내부에는 상기 케이싱의 저유공간에 저장된 오일을 흡상하는 오일유로가 중공 형상으로 형성되며,상기 메인베어링 또는 상기 서브베어링에는 상기 오일유로와 연통되어 서로 다른 압력을 갖는 복수 개의 배압포켓이 형성되고, 상기 복수 개의 배압포켓은 상기 롤러의 축방향 측면을 마주보는 면에서 원주방향으로 기설정된 간격을 두고 형성되며,상기 급유홀은,상기 복수 개의 배압포켓 사이에 형성되어 적어도 일부가 상기 배압챔버와 축방향으로 중첩되는 로터리 압축기.
- 제10항에 있어서,상기 급유홀의 내경은 상기 배압챔버의 내경보다 작거나 같게 형성되는 로터리 압축기.
- 제10항에 있어서,상기 급유홀의 내경은 상기 저유공간에 속하는 하단보다 상기 롤러를 마주보는 상단에서 크거나 같게 형성되는 로터리 압축기.
- 제10항에 있어서,상기 급유홀은,상기 롤러를 마주보는 상단과 이를 원주방향으로 마주보는 상기 배압포켓 사이에 연통홈이 형성되는 로터리 압축기.
- 내부에 저유공간이 구비되는 케이싱;상기 케이싱의 내부에 고정되는 실린더;상기 실린더에 결합되어 상기 실린더와 함께 압축공간을 형성하는 메인베어링 및 서브베어링;상기 메인베어링과 상기 서브베어링에 의해 반경방향으로 지지되는 회전축;상기 회전축에 구비되어 상기 압축공간에 편심지게 구비되고, 외주면을 따라 적어도 한 개 이상의 베인슬롯이 형성되며, 상기 베인슬롯의 내측단에는 배압챔버가 연통되는 롤러; 및상기 베인슬롯에 미끄러지게 삽입되며, 선단면이 상기 실린더의 내주면에 접촉되어 상기 압축공간을 복수 개의 압축실로 분리하는 적어도 한 개 이상의 베인을 포함하며,상기 회전축의 내부에는 오일유로가 중공 형상으로 형성되고,상기 오일유로의 내주면에서 상기 배압챔버를 향해 관통되는 급유홀이 형성되는 로터리 압축기.
- 제14항에 있어서,상기 롤러의 축방향 측면에는 상기 배압챔버와 연통되는 급유안내홈이 더 형성되고,상기 급유홀은,상기 오일유로의 내주면과 상기 급유안내홈의 내주면 사이를 관통하는 로터리 압축기.
- 제14항에 있어서,상기 회전축에는 상기 오일유로의 중간에서 상기 메인베어링 또는 상기 서브베어링을 향해 상기 회전축의 외주면으로 관통되는 오일통공이 형성되고,상기 급유홀의 내경은,상기 오일통공의 내경보다 작거나 같게 형성되는 로터리 압축기.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/282,011 US12110894B2 (en) | 2021-03-19 | 2022-03-16 | Rotary compressor |
| EP22771758.4A EP4310334A4 (en) | 2021-03-19 | 2022-03-16 | ROTARY COMPRESSOR |
| CN202280022576.0A CN117043466A (zh) | 2021-03-19 | 2022-03-16 | 旋转式压缩机 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2021-0036176 | 2021-03-19 | ||
| KR1020210036176A KR102454723B1 (ko) | 2021-03-19 | 2021-03-19 | 로터리 압축기 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022197092A1 true WO2022197092A1 (ko) | 2022-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/003675 Ceased WO2022197092A1 (ko) | 2021-03-19 | 2022-03-16 | 로터리 압축기 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12110894B2 (ko) |
| EP (1) | EP4310334A4 (ko) |
| KR (1) | KR102454723B1 (ko) |
| CN (1) | CN117043466A (ko) |
| WO (1) | WO2022197092A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102779879B1 (ko) * | 2023-03-02 | 2025-03-13 | 엘지전자 주식회사 | 로터리 압축기 |
| KR102765935B1 (ko) | 2023-03-16 | 2025-02-12 | 엘지전자 주식회사 | 로터리 압축기 |
| CN116335945B (zh) * | 2023-03-29 | 2025-07-15 | 广东美芝精密制造有限公司 | 泵体组件、压缩机及制冷设备 |
| KR102940487B1 (ko) * | 2024-01-26 | 2026-03-17 | 엘지전자 주식회사 | 로터리 압축기 |
| KR102940488B1 (ko) * | 2024-01-26 | 2026-03-17 | 엘지전자 주식회사 | 로터리 압축기 |
| KR102940489B1 (ko) * | 2024-01-26 | 2026-03-17 | 엘지전자 주식회사 | 로터리 압축기 |
| CN119616864B (zh) * | 2024-12-11 | 2026-04-21 | 珠海凌达压缩机有限公司 | 下法兰组件及压缩机 |
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| US3760478A (en) * | 1971-10-04 | 1973-09-25 | Borg Warner | Method for assembling a rotary sliding vane compressor |
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| WO2020036241A1 (ko) * | 2018-08-16 | 2020-02-20 | 엘지전자 주식회사 | 로터리 압축기 |
| KR102191124B1 (ko) * | 2019-02-28 | 2020-12-15 | 엘지전자 주식회사 | 베인 로터리 압축기 |
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2021
- 2021-03-19 KR KR1020210036176A patent/KR102454723B1/ko active Active
-
2022
- 2022-03-16 CN CN202280022576.0A patent/CN117043466A/zh active Pending
- 2022-03-16 WO PCT/KR2022/003675 patent/WO2022197092A1/ko not_active Ceased
- 2022-03-16 EP EP22771758.4A patent/EP4310334A4/en active Pending
- 2022-03-16 US US18/282,011 patent/US12110894B2/en active Active
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| JP2015178820A (ja) * | 2014-03-19 | 2015-10-08 | カルソニックカンセイ株式会社 | 気体圧縮機 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US12110894B2 (en) | 2024-10-08 |
| EP4310334A1 (en) | 2024-01-24 |
| KR102454723B1 (ko) | 2022-10-14 |
| CN117043466A (zh) | 2023-11-10 |
| US20240151231A1 (en) | 2024-05-09 |
| KR20220131075A (ko) | 2022-09-27 |
| EP4310334A4 (en) | 2025-04-16 |
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