KR102799112B1 - 건식 진공 펌프 및 펌핑 설비 - Google Patents
건식 진공 펌프 및 펌핑 설비 Download PDFInfo
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- KR102799112B1 KR102799112B1 KR1020217032804A KR20217032804A KR102799112B1 KR 102799112 B1 KR102799112 B1 KR 102799112B1 KR 1020217032804 A KR1020217032804 A KR 1020217032804A KR 20217032804 A KR20217032804 A KR 20217032804A KR 102799112 B1 KR102799112 B1 KR 102799112B1
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- 238000005086 pumping Methods 0.000 title claims abstract description 69
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 4
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 208000028659 discharge Diseases 0.000 description 32
- 239000003921 oil Substances 0.000 description 13
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
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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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
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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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/123—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/18—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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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
-
- 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
- F04C18/3442—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 the surfaces of the inner and outer member, forming the inlet and outlet opening
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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
- F04C23/001—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
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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
- F04C23/005—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 dissimilar working principle
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
- F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
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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
- F04C2220/00—Application
- F04C2220/10—Vacuum
- F04C2220/12—Dry running
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Abstract
Description
도 1은 펌핑 설비에 대한 도면을 나타낸다.
도 2는, 제1 실시예에 따른, 도 1로부터의 설비의 건식 1차-진공 펌프의 도면을 나타낸다.
도 3은, 제2 실시예에 따른, 건식 1차-진공 펌프의 도면을 나타낸다.
도 4는 오일 케이스의 레벨에서 도 3으로부터의 진공 펌프의 A-A 선 단면도를 도시한다.
도 5는, 제3 실시예에 따른, 건식 1차-진공 펌프의 도면을 나타낸다.
도 6은 오일 케이스의 레벨에서 도 5로부터의 진공 펌프의 A-A 선 단면도를 도시한다.
Claims (11)
- 건식 진공 펌프(1)로서:
- 적어도 하나의 펌핑 스테이지(3a, 3b, 3c, 3d, 3e, 3f),
- 개별적으로 상기 적어도 하나의 펌핑 스테이지(3a, 3b, 3c, 3d, 3e, 3f) 내에서 연장되는, 적어도 하나의 로터(5)를 지지하는 2개의 회전 샤프트(4)로서, 상기 로터들(5)은, 진공 펌프(1)의 흡입구(7)와 배출구(8) 사이에서 펌핑되어야 할 기체를 구동하기 위해 서로 반대 방향으로 동기화된 방식으로 회전하도록 구성되는 것인, 2개의 회전 샤프트(4)
를 포함하는 것인, 건식 진공 펌프에 있어서,
- 상기 회전 샤프트들(4) 중의 적어도 하나가 통과하는 보조 스테이터(13; 22; 24),
- 상기 보조 스테이터(13; 22; 24)의 흡입구(17)를 진공 펌프(1)의 배출구(8)와 소통하는 펌핑 스테이지(3f)에 연결하는, 제어 가능한 흡입 밸브(15)를 갖도록 제공되는 흡입 통로(14), 및
- 상기 회전 샤프트(4)에 의해 지지되는 적어도 하나의 보조 로터(16; 23)로서, 상기 제어 가능한 흡입 밸브(15)가 개방하도록 명령을 받을 때, 상기 보조 로터(16; 23)는 상기 보조 스테이터(13; 22; 24) 내에서의 상기 보조 로터(16; 23)의 회전이 상기 보조 스테이터(13; 22; 24)의 흡입구(17)와 배출구(18) 사이에서 기체를 펌핑하도록 하여 상기 펌핑 스테이지(3f) 내의 압력을 낮추도록 구성되고, 상기 제어 가능한 흡입 밸브(15)가 폐쇄하도록 명령을 받을 때, 상기 적어도 하나의 보조 로터(16; 23) 및 상기 보조 스테이터(13; 22; 24)는 상기 배출구(8)와 소통하는 상기 펌핑 스테이지(3f)로부터 유동적으로 격리되는 것인, 적어도 하나의 보조 로터(16; 23)
를 더 포함하는 것인 건식 진공 펌프. - 제1항에 있어서,
상기 보조 스테이터(13)는 2개의 회전 샤프트(4)를 구비하고, 상기 2개의 회전 샤프트(4)는 상기 보조 스테이터(13)를 통과하며, 상기 진공 펌프(1)는, 상기 보조 스테이터(13) 내에 배열되고 개별적인 회전 샤프트(4)에 의해 지지되는 2개의 보조 로터(16)를 포함하며, 상기 보조 로터들(16)은 서로 반대 방향으로 동기화된 방식으로 회전하도록 구성되는 것을 특징으로 하는 건식 진공 펌프. - 제2항에 있어서,
상기 보조 로터들(16)은, 루츠 타입(roots type)인 것을 특징으로 하는 건식 진공 펌프. - 제1항에 있어서,
상기 보조 스테이터(22)는, 진공 펌프(1)의 오일 케이스(10) 내에 형성되고, 상기 진공 펌프(1)는, 진공 펌프(1)의 동기화 기어(6)의 개별적인 톱니 형성 휠(31)에 의해 형성되는 2개의 보조 로터를 포함하며, 상기 동기화 기어(6)는 상기 보조 스테이터(22)와 함께 기어 펌프를 형성하고, 상기 동기화 기어(6)는 추가로, 상기 회전 샤프트들(4)의 회전을 동기화하도록 구성되는 것을 특징으로 하는 건식 진공 펌프. - 제1항에 있어서,
상기 보조 로터(23)는, 상기 보조 스테이터(24)와 함께, 진공 펌프(1)의 오일 케이스(10)의 챔버(25) 내에 수용되는 회전형 베인 펌프를 형성하는, 회전형 베인 펌프 로터인 것을 특징으로 하는 건식 진공 펌프. - 제1항 내지 제5항 중의 어느 한 항에 있어서,
상기 보조 스테이터(13; 22; 24)의 배출구(18)는, 제어 가능한 배출 밸브(21)를 갖도록 제공되는 보조 배출 통로(20)에 의해, 진공 펌프(1)의 배출구(8)와 소통 상태에 놓이는 것을 특징으로 하는 건식 진공 펌프. - 제1항 내지 제5항 중의 어느 한 항에 있어서,
상기 진공 펌프(1)는 대기압으로 기체를 방출하도록 구성되는, 1차-진공 펌프인 것을 특징으로 하는 건식 진공 펌프. - 제1항 내지 제5항 중의 어느 한 항에 있어서,
진공 펌프(1)의 흡입 압력 또는 진공 펌프(1)에 의해 소비되는 전력 중 적어도 하나의 측정치를 기초로 하여 상기 제어 가능한 흡입 밸브(15)를 개방하도록 명령하도록 구성되는 제어 유닛(19)을 포함하는 것을 특징으로 하는 건식 진공 펌프. - 제1항 내지 제5항 중의 어느 한 항에 있어서,
상기 로터들(5)은, 루츠 타입 또는 클로 타입인 것을 특징으로 하는 건식 진공 펌프. - 로드록(101)을 포함하는 펌핑 설비(100)로서,
상기 로드록(101) 내의 압력을 교호반복적으로 낮추고 올리기 위해 로드록(101)에 연결되는, 제1항 내지 제5항 중의 어느 한 항에 따른 건식 진공 펌프(1)를 포함하는 것을 특징으로 하는 펌핑 설비. - 제10항에 있어서,
상기 로드록(101)은, 상기 로드록(101)이 휴지 상태에 있을 때 제어 가능한 흡입 밸브(15)를 개방하도록 명령하기 위해, 제어 가능한 흡입 밸브(15)의 제어 수단(102)을 포함하는 것을 특징으로 하는 펌핑 설비.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FRFR1903682 | 2019-04-05 | ||
| FR1903682A FR3094762B1 (fr) | 2019-04-05 | 2019-04-05 | Pompe à vide de type sèche et installation de pompage |
| PCT/EP2020/058968 WO2020201218A1 (fr) | 2019-04-05 | 2020-03-30 | Pompe à vide de type sèche et installation de pompage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20210138676A KR20210138676A (ko) | 2021-11-19 |
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| KR (1) | KR102799112B1 (ko) |
| CN (1) | CN113574277B (ko) |
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| FR (1) | FR3094762B1 (ko) |
| TW (1) | TWI826664B (ko) |
| WO (1) | WO2020201218A1 (ko) |
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| CN114593055A (zh) * | 2020-12-07 | 2022-06-07 | 中国科学院沈阳科学仪器股份有限公司 | 多级干式真空泵 |
| WO2023223031A1 (en) * | 2022-05-18 | 2023-11-23 | Edwards Limited | Multi-stage vacuum pump |
| WO2026040177A1 (zh) * | 2024-08-20 | 2026-02-26 | 浙江飞越机电有限公司 | 复合罗茨转子和旋片转子的流体机械 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101351667B1 (ko) | 2005-08-02 | 2014-01-14 | 에드워즈 리미티드 | 진공 펌프 |
| US20140205482A1 (en) | 2013-01-18 | 2014-07-24 | Adixen Vacuum Products | Multi-stage vacuum pump of the dry pump type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6097395U (ja) * | 1983-12-12 | 1985-07-03 | 大亜真空技研株式会社 | ドライ真空ポンプ |
| GB8513684D0 (en) * | 1985-05-30 | 1985-07-03 | Boc Group Plc | Mechanical pumps |
| JPS62243982A (ja) * | 1986-04-14 | 1987-10-24 | Hitachi Ltd | 2段型真空ポンプ装置およびその運転方法 |
| JP2003343469A (ja) * | 2002-03-20 | 2003-12-03 | Toyota Industries Corp | 真空ポンプ |
| FR2883934B1 (fr) * | 2005-04-05 | 2010-08-20 | Cit Alcatel | Pompage rapide d'enceinte avec limitation d'energie |
| WO2010069320A2 (en) * | 2008-12-19 | 2010-06-24 | Stobbe Tech A/S | Biopharmaceutical plant in a column |
| JP2014029115A (ja) * | 2010-11-17 | 2014-02-13 | Ulvac Japan Ltd | 真空排気装置の接続構造及び真空排気システム |
| GB2487376A (en) * | 2011-01-19 | 2012-07-25 | Edwards Ltd | Two material pump stator for corrosion resistance and thermal conductivity |
| FR2993614B1 (fr) * | 2012-07-19 | 2018-06-15 | Pfeiffer Vacuum | Procede et dispositif de pompage d'une chambre de procedes |
| PL3137771T3 (pl) * | 2014-05-01 | 2020-10-05 | Ateliers Busch S.A. | Sposób pompowania w układzie pompującym i układ pomp próżniowych |
| DE202014005279U1 (de) * | 2014-06-26 | 2015-10-05 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpen-System |
| RU2670640C9 (ru) * | 2014-09-26 | 2018-12-04 | Ателье Буш Са | Насосная система для создания вакуума и способ откачивания с использованием данной насосной системы |
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2019
- 2019-04-05 FR FR1903682A patent/FR3094762B1/fr active Active
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2020
- 2020-03-11 TW TW109108015A patent/TWI826664B/zh active
- 2020-03-30 WO PCT/EP2020/058968 patent/WO2020201218A1/fr not_active Ceased
- 2020-03-30 CN CN202080021803.9A patent/CN113574277B/zh active Active
- 2020-03-30 JP JP2021559147A patent/JP7396561B2/ja active Active
- 2020-03-30 KR KR1020217032804A patent/KR102799112B1/ko active Active
- 2020-03-30 DE DE112020001762.1T patent/DE112020001762T5/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101351667B1 (ko) | 2005-08-02 | 2014-01-14 | 에드워즈 리미티드 | 진공 펌프 |
| US20140205482A1 (en) | 2013-01-18 | 2014-07-24 | Adixen Vacuum Products | Multi-stage vacuum pump of the dry pump type |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3094762B1 (fr) | 2021-04-09 |
| DE112020001762T5 (de) | 2022-01-05 |
| WO2020201218A1 (fr) | 2020-10-08 |
| CN113574277B (zh) | 2023-06-30 |
| KR20210138676A (ko) | 2021-11-19 |
| TWI826664B (zh) | 2023-12-21 |
| FR3094762A1 (fr) | 2020-10-09 |
| CN113574277A (zh) | 2021-10-29 |
| JP7396561B2 (ja) | 2023-12-12 |
| TW202041784A (zh) | 2020-11-16 |
| JP2022526413A (ja) | 2022-05-24 |
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