JP7629956B2 - 排気速度が改善された分子真空ポンプ及び改善された排気速度を達成するように分子真空ポンプを運転する方法 - Google Patents
排気速度が改善された分子真空ポンプ及び改善された排気速度を達成するように分子真空ポンプを運転する方法 Download PDFInfo
- Publication number
- JP7629956B2 JP7629956B2 JP2023072957A JP2023072957A JP7629956B2 JP 7629956 B2 JP7629956 B2 JP 7629956B2 JP 2023072957 A JP2023072957 A JP 2023072957A JP 2023072957 A JP2023072957 A JP 2023072957A JP 7629956 B2 JP7629956 B2 JP 7629956B2
- Authority
- JP
- Japan
- Prior art keywords
- pump
- carrier gas
- turbomolecular
- stage
- inlet
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 73
- 238000005086 pumping Methods 0.000 title claims description 41
- 239000012159 carrier gas Substances 0.000 claims description 101
- 239000007789 gas Substances 0.000 claims description 73
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 21
- 238000011144 upstream manufacturing Methods 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000002826 coolant Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- F04D19/042—Turbomolecular vacuum pumps
-
- 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
-
- 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
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0238—Details or means for fluid reinjection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22193499.5A EP4108931B1 (de) | 2022-09-01 | 2022-09-01 | Verfahren zum betreiben einer molekularvakuumpumpe zur erzielung eines verbesserten saugvermögens |
| EP22193499 | 2022-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2024035054A JP2024035054A (ja) | 2024-03-13 |
| JP7629956B2 true JP7629956B2 (ja) | 2025-02-14 |
Family
ID=83151393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023072957A Active JP7629956B2 (ja) | 2022-09-01 | 2023-04-27 | 排気速度が改善された分子真空ポンプ及び改善された排気速度を達成するように分子真空ポンプを運転する方法 |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4108931B1 (de) |
| JP (1) | JP7629956B2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4459131A3 (de) * | 2024-09-12 | 2025-04-09 | Pfeiffer Vacuum Technology AG | Turbomolekularvakuumpumpe mit optimierter sperrgaszufuhr |
| EP4549740A3 (de) | 2025-03-19 | 2025-10-22 | Pfeiffer Vacuum Technology AG | Strömungstechnisch- und temperaturoptimierte vakuumpumpe |
| CN121229420B (zh) * | 2025-12-03 | 2026-02-06 | 上海则欧机电科技有限公司 | 适用于euv光刻机的高洁净度复合分子泵 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038998A (ja) | 1998-07-21 | 2000-02-08 | Seiko Seiki Co Ltd | 真空ポンプ及び真空装置 |
| JP2019031966A (ja) | 2017-08-04 | 2019-02-28 | プファイファー・ヴァキューム・ゲーエムベーハー | 真空ポンプ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2507430C2 (de) * | 1975-02-21 | 1985-04-04 | Franz-Josef Dipl.-Phys. Dr. 5300 Bonn Schittko | Molekularvakuumpumpe mit hohem Kompressionsverhältnis für leichte Moleküle |
| JPH01277698A (ja) * | 1988-04-30 | 1989-11-08 | Nippon Ferrofluidics Kk | 複合型真空ポンプ |
| JP2808470B2 (ja) * | 1990-02-06 | 1998-10-08 | 日本原子力研究所 | 真空ポンプ |
-
2022
- 2022-09-01 EP EP22193499.5A patent/EP4108931B1/de active Active
-
2023
- 2023-04-27 JP JP2023072957A patent/JP7629956B2/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038998A (ja) | 1998-07-21 | 2000-02-08 | Seiko Seiki Co Ltd | 真空ポンプ及び真空装置 |
| JP2019031966A (ja) | 2017-08-04 | 2019-02-28 | プファイファー・ヴァキューム・ゲーエムベーハー | 真空ポンプ |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4108931B1 (de) | 2024-06-26 |
| JP2024035054A (ja) | 2024-03-13 |
| EP4108931A1 (de) | 2022-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7629956B2 (ja) | 排気速度が改善された分子真空ポンプ及び改善された排気速度を達成するように分子真空ポンプを運転する方法 | |
| JP5056432B2 (ja) | 回転シャフト装置および燃料電池システム | |
| US20050112003A1 (en) | Pump design for circulating supercritical carbon dioxide | |
| JP7611295B2 (ja) | レシピエント及び高真空ポンプ | |
| JP2005076631A (ja) | 真空ポンプ | |
| EP1573204B1 (de) | Vakuumpumpe | |
| EP1576292B1 (de) | Vakuumpumpe | |
| JP7482101B2 (ja) | 真空ポンプ | |
| US5451147A (en) | Turbo vacuum pump | |
| JP7670752B2 (ja) | 可変のホルベック幾何形状を有するホルベックポンプ段を備える真空ポンプ | |
| JP7708821B2 (ja) | 温度に起因する出力損失を補償する最適化されたホルベックポンプ段を有する真空ポンプ | |
| JP7772850B2 (ja) | ターボ分子真空ポンプ | |
| JP2000161284A (ja) | ターボ真空ポンプ | |
| JP7787241B2 (ja) | コンパクトな構造を有するターボ分子真空ポンプ | |
| EP1573205B1 (de) | Vakuumpumpanlage und betriebsverfahren einer vakuumpumpanlage | |
| JP6479127B2 (ja) | 真空ポンプ | |
| EP1573206B1 (de) | Vakuumpumpanlage und dessen betriebsverfahren | |
| JP2024091224A (ja) | 真空ポンプ | |
| JP7534466B2 (ja) | ホルベックポンプ段の吸引能力が改善された真空ポンプ | |
| JP2006152994A (ja) | 遠心圧縮機 | |
| JP2025069081A (ja) | ポンプ | |
| KR100702948B1 (ko) | 터보 분자 펌프 | |
| JP6998422B2 (ja) | 真空システム | |
| JP2025048693A (ja) | モジュール式に構成されたホルベックポンプ段を有する真空ポンプ | |
| JP2025138558A (ja) | ターボ分子真空ポンプ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230801 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230801 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240724 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20241007 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20250108 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20250203 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7629956 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |