JP6905474B2 - ガス供給装置 - Google Patents
ガス供給装置 Download PDFInfo
- Publication number
- JP6905474B2 JP6905474B2 JP2017562138A JP2017562138A JP6905474B2 JP 6905474 B2 JP6905474 B2 JP 6905474B2 JP 2017562138 A JP2017562138 A JP 2017562138A JP 2017562138 A JP2017562138 A JP 2017562138A JP 6905474 B2 JP6905474 B2 JP 6905474B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- flow
- volume
- purge
- flow rate
- 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.)
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Links
- 238000010926 purge Methods 0.000 claims description 91
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 125
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000005086 pumping Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0253—Surge control by throttling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
- F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Pipeline Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
Claims (14)
- 多段真空ポンプのそれぞれのパージポートにガスを供給するための複数のガス出口に流体連通するガス入口と、
前記ガス出口のすぐ上流に配置されガスを受け入れる入口と、与えられた圧力でガスを閉じ込めるための容積部と、該容積部と前記出口の各々の間に配置された可変流れ制限器とを有する流れコントローラと、を備え、
前記可変流れ制限器は、第1及び第2の流量の間で前記出口の各々に比例したガスの流れの連続変動を容易にするために前記容積部に対して移動可能であり、
前記可変流れ制限器は、第1及び第2の流量の間で連続した流量の範囲を与えるように構成されている、
ことを特徴とする多段真空ポンプパージガス供給装置。 - 多段真空ポンプのそれぞれのポートにガスを供給するための複数のガス出口に流体連通するガス入口と、
前記ガス出口のすぐ上流に配置されて、ガスを受け入れるための入口と、与えられた圧力でガスを閉じ込めるための容積部を定めるマニホルドと、該マニホルドと該出口の間に配置された可変流れ制限器とを有する流れコントローラと、を備え、
作動中に、前記容積部内の前記ガスの圧力が、前記多段ポンプの前記ポートのいずれか1つでの前記多段真空ポンプのいずれかのポンプチャンバ内の前記ガスの圧力よりも高く、
前記可変流れ制限器は、第1及び第2の流量の間で連続した流量の範囲を与えるように構成されている、
ことを特徴とする多段真空ポンプパージガス供給装置。 - 前記第1の流量は、前記出口を通る予め決められた最大流量である、
請求項1または2に記載の装置。 - 前記第2の流量は、予め決められた最小流量であり、又は
前記第2の流量は、ゼロである、
請求項1または2に記載の装置。 - 可変流れ制限器が、前記容積部を前記出口の各々に接続するように配列された第1のセクションを含み、
前記第1のセクションは、前記容積部に対して移動可能である、
請求項1または2に記載の装置。 - 前記第1のセクションは、前記容積部に対して回転可能又は直線移動可能のいずれかである、
請求項5に記載の装置。 - 前記第1のセクションは、長手軸の周りに回転可能なドラムを含み、該ドラムは、出口を前記容積部に接続するように各々が配列された一連の貫通孔を含む、
請求項5に記載の装置。 - 各貫通孔が、前記容積部に対する前記第1のセクションの移動が第1及び第2の流量の間の流量の連続範囲の規定を可能にするように前記容積部内の開口と協働してガスが前記容積部を出ることを可能にする、
請求項5ないし7のいずれか1項に記載の装置。 - 前記第1のセクションは、出口を前記容積部に接続するように各々が配列された一連のニードル弁を含む、
請求項5に記載の装置。 - 各ニードル弁を通るガスの流量を互いに独立に設定することができる、
請求項9に記載の装置。 - 前記一連のニードル弁は、ガスが前記出口を通ることを可能にする一連の開口と、開口と協働して該開口を通るガスの流れを制限するように各々が配列された一連の調節可能ストップとを有するプレートセクションを含む、
請求項9に記載の装置。 - 前記プレート及びストップは、各開口を通るガスの流量の調節を可能にするために互いに対して移動可能である、
請求項11に記載の装置。 - 各ニードル弁が、各ニードル弁を通る流れが予め決定され、かつ他のニードル弁に対して比例するように、与えられた流量に事前設定することができる、
請求項9に記載の装置。 - ガスを比例したガス流量で前記それぞれのパージポートに供給することができるように配列された制御オリフィスを更に含む、
請求項1又は2に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1502993.7A GB2535703B (en) | 2015-02-23 | 2015-02-23 | Gas supply apparatus |
GB1502993.7 | 2015-02-23 | ||
PCT/GB2016/050229 WO2016135439A1 (en) | 2015-02-23 | 2016-02-02 | Gas supply apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018511001A JP2018511001A (ja) | 2018-04-19 |
JP6905474B2 true JP6905474B2 (ja) | 2021-07-21 |
Family
ID=52822033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017562138A Active JP6905474B2 (ja) | 2015-02-23 | 2016-02-02 | ガス供給装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20180058457A1 (ja) |
EP (1) | EP3262303B1 (ja) |
JP (1) | JP6905474B2 (ja) |
KR (1) | KR102528898B1 (ja) |
CN (1) | CN107250550B (ja) |
GB (1) | GB2535703B (ja) |
WO (1) | WO2016135439A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7025844B2 (ja) * | 2017-03-10 | 2022-02-25 | エドワーズ株式会社 | 真空ポンプの排気システム、真空ポンプの排気システムに備わる真空ポンプ、パージガス供給装置、温度センサユニット、および真空ポンプの排気方法 |
FR3092879B1 (fr) * | 2019-02-14 | 2021-02-19 | Pfeiffer Vacuum | Pompe à vide primaire de type sèche |
FR3093544B1 (fr) * | 2019-03-05 | 2021-03-12 | Pfeiffer Vacuum | Pompe à vide turbomoléculaire et procédé de purge |
FR3121962B1 (fr) * | 2021-04-16 | 2023-05-12 | Pfeiffer Vacuum | Pompe à vide |
GB2618801A (en) * | 2022-05-17 | 2023-11-22 | Edwards Ltd | Fluid routing for a vacuum pumping system |
CN116428155B (zh) * | 2023-04-13 | 2024-03-22 | 北京通嘉宏瑞科技有限公司 | 泵体清扫系统及泵体清扫控制方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092141A (en) * | 1961-11-22 | 1963-06-04 | Springfield Tool And Die Co In | Airflow control unit for aquariums |
JPS53108638U (ja) * | 1977-02-05 | 1978-08-31 | ||
JP3579763B2 (ja) * | 1999-07-01 | 2004-10-20 | 日本酸素株式会社 | ガス供給装置及び方法 |
SE519054C2 (sv) * | 2001-05-10 | 2003-01-07 | Aneo Ab | Nålventilrelaterat arrangemang |
DE10152186C1 (de) * | 2001-10-23 | 2003-06-12 | Ballard Power Systems | Brennstoffzellanlage mit einer Vorrichtung zur dosierten Zufuhr von sauerstoffhaltigem Medium an Dosierstellen eines Gaserzeugungssystems |
GB0411679D0 (en) * | 2004-05-25 | 2004-06-30 | Boc Group Plc | Gas supply system |
GB0519742D0 (en) * | 2005-09-28 | 2005-11-09 | Boc Group Plc | Method of pumping gas |
GB0521944D0 (en) * | 2005-10-27 | 2005-12-07 | Boc Group Plc | Method of treating gas |
GB0605554D0 (en) * | 2006-03-20 | 2006-04-26 | Boc Group Plc | Gas supply apparatus |
GB2439948B (en) * | 2006-07-12 | 2010-11-24 | Boc Group Plc | Gas supply apparatus |
GB0922564D0 (en) * | 2009-12-24 | 2010-02-10 | Edwards Ltd | Pump |
GB2500610A (en) * | 2012-03-26 | 2013-10-02 | Edwards Ltd | Apparatus to supply purge gas to a multistage vacuum pump |
-
2015
- 2015-02-23 GB GB1502993.7A patent/GB2535703B/en not_active Expired - Fee Related
-
2016
- 2016-02-02 US US15/552,835 patent/US20180058457A1/en not_active Abandoned
- 2016-02-02 KR KR1020177026642A patent/KR102528898B1/ko active IP Right Grant
- 2016-02-02 EP EP16702796.0A patent/EP3262303B1/en active Active
- 2016-02-02 CN CN201680011772.2A patent/CN107250550B/zh active Active
- 2016-02-02 WO PCT/GB2016/050229 patent/WO2016135439A1/en active Application Filing
- 2016-02-02 JP JP2017562138A patent/JP6905474B2/ja active Active
-
2021
- 2021-03-04 US US17/192,267 patent/US20210190079A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB201502993D0 (en) | 2015-04-08 |
WO2016135439A1 (en) | 2016-09-01 |
GB2535703A (en) | 2016-08-31 |
KR20170118888A (ko) | 2017-10-25 |
JP2018511001A (ja) | 2018-04-19 |
CN107250550B (zh) | 2020-01-10 |
US20180058457A1 (en) | 2018-03-01 |
EP3262303B1 (en) | 2021-01-20 |
US20210190079A1 (en) | 2021-06-24 |
KR102528898B1 (ko) | 2023-05-03 |
CN107250550A (zh) | 2017-10-13 |
EP3262303A1 (en) | 2018-01-03 |
GB2535703B (en) | 2019-09-18 |
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