EP1318308A3 - Pompe à vide - Google Patents
Pompe à vide Download PDFInfo
- Publication number
- EP1318308A3 EP1318308A3 EP02258145A EP02258145A EP1318308A3 EP 1318308 A3 EP1318308 A3 EP 1318308A3 EP 02258145 A EP02258145 A EP 02258145A EP 02258145 A EP02258145 A EP 02258145A EP 1318308 A3 EP1318308 A3 EP 1318308A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinders
- vacuum pump
- multiple cylinder
- rotor shaft
- constitute
- 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.)
- Withdrawn
Links
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
- 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
- F04D19/046—Combinations of two or more different types of 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
- 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
- F04D19/044—Holweck-type 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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001370627A JP2003172291A (ja) | 2001-12-04 | 2001-12-04 | 真空ポンプ |
JP2001370627 | 2001-12-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1318308A2 EP1318308A2 (fr) | 2003-06-11 |
EP1318308A3 true EP1318308A3 (fr) | 2003-12-03 |
Family
ID=19179820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02258145A Withdrawn EP1318308A3 (fr) | 2001-12-04 | 2002-11-27 | Pompe à vide |
Country Status (6)
Country | Link |
---|---|
US (1) | US20030103847A1 (fr) |
EP (1) | EP1318308A3 (fr) |
JP (1) | JP2003172291A (fr) |
KR (1) | KR20030045597A (fr) |
CN (1) | CN1429994A (fr) |
TW (1) | TW200300819A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006194083A (ja) * | 2003-09-16 | 2006-07-27 | Boc Edwards Kk | ロータ軸と回転体との固定構造及び該固定構造を有するターボ分子ポンプ |
JP2006077714A (ja) * | 2004-09-10 | 2006-03-23 | Boc Edwards Kk | ダンパ及び真空ポンプ |
GB0618745D0 (en) * | 2006-09-22 | 2006-11-01 | Boc Group Plc | Molecular drag pumping mechanism |
JP5056152B2 (ja) * | 2007-05-15 | 2012-10-24 | 株式会社島津製作所 | ターボ分子ポンプ |
JP5284940B2 (ja) * | 2009-12-24 | 2013-09-11 | アネスト岩田株式会社 | 多段真空ポンプ |
EP3499045A1 (fr) * | 2010-09-28 | 2019-06-19 | Edwards Japan Limited | Pompe d'évacuation |
TWI424121B (zh) * | 2010-12-10 | 2014-01-21 | Prosol Corp | 渦輪分子泵浦之葉片結構改良 |
WO2012172990A1 (fr) * | 2011-06-16 | 2012-12-20 | エドワーズ株式会社 | Rotor et pompe à vide |
KR102106658B1 (ko) * | 2012-09-26 | 2020-05-04 | 에드워즈 가부시키가이샤 | 로터, 및, 이 로터를 구비한 진공 펌프 |
JP6353195B2 (ja) * | 2013-05-09 | 2018-07-04 | エドワーズ株式会社 | 固定円板および真空ポンプ |
CN105556128B (zh) * | 2013-09-30 | 2019-07-09 | 埃地沃兹日本有限公司 | 螺纹槽泵机构、使用该螺纹槽泵机构的真空泵、及用于前述螺纹槽泵机构的转子、外周侧定子及内周侧定子 |
JP6973348B2 (ja) * | 2018-10-15 | 2021-11-24 | 株式会社島津製作所 | 真空ポンプ |
GB2579665B (en) * | 2018-12-12 | 2021-05-19 | Edwards Ltd | Multi-stage turbomolecular pump |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0260733A1 (fr) * | 1986-08-12 | 1988-03-23 | Ultra-Centrifuge Nederland N.V. | Pompe sous vide élevé |
EP0805275A2 (fr) * | 1996-05-03 | 1997-11-05 | The BOC Group plc | Pompes à vide |
JPH11210674A (ja) * | 1998-01-27 | 1999-08-03 | Ebara Corp | ターボ分子ポンプ |
JP2001248587A (ja) * | 1999-12-28 | 2001-09-14 | Kashiyama Kogyo Kk | 複合型真空ポンプ |
JP2001323892A (ja) * | 2000-05-16 | 2001-11-22 | Shimadzu Corp | ターボ型真空機器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60139098U (ja) * | 1984-02-24 | 1985-09-13 | セイコ−精機株式会社 | 組合せ型軸流分子ポンプ |
DE3410905A1 (de) * | 1984-03-24 | 1985-10-03 | Leybold-Heraeus GmbH, 5000 Köln | Einrichtung zur foerderung von gasen bei subatmosphaerischen druecken |
EP0309474B1 (fr) * | 1986-06-12 | 1990-10-31 | ENGELBART, Wilke, Dr. | Procede et dispositif pour la gazeification des liquides en fines bulles et sur une grande surface |
US5639373A (en) * | 1995-08-11 | 1997-06-17 | Zenon Environmental Inc. | Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
US5248424A (en) * | 1990-08-17 | 1993-09-28 | Zenon Environmental Inc. | Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
WO1993015827A1 (fr) * | 1992-02-12 | 1993-08-19 | Mitsubishi Rayon Co., Ltd. | Module de membranes a fils creux |
US5922201A (en) * | 1992-02-12 | 1999-07-13 | Mitsubishi Rayon Co., Ltd. | Hollow fiber membrane module |
JPH08100779A (ja) * | 1994-10-04 | 1996-04-16 | Matsushita Electric Ind Co Ltd | 真空ポンプ |
US6193890B1 (en) * | 1995-08-11 | 2001-02-27 | Zenon Environmental Inc. | System for maintaining a clean skein of hollow fibers while filtering suspended solids |
KR100693944B1 (ko) * | 1995-08-11 | 2007-03-12 | 제논 인바이런멘탈 인코포레이티드 | 수직한 중공사 멤브레인 다발 및 섬유 표면을 깨끗하게유지시키는 방법 |
US6656356B2 (en) * | 1998-10-09 | 2003-12-02 | Zenon Environmental Inc. | Aerated immersed membrane system |
US5944997A (en) * | 1995-08-11 | 1999-08-31 | Zenon Environmental Inc. | System for maintaining a clean skein of hollow fibers while filtering suspended solids |
JP3866399B2 (ja) * | 1997-12-16 | 2007-01-10 | 住友重機械工業株式会社 | 膜ろ過装置及びその運転方法 |
US6280626B1 (en) * | 1998-08-12 | 2001-08-28 | Mitsubishi Rayon Co., Ltd. | Membrane separator assembly and method of cleaning the assembly utilizing gas diffuser underneath the assembly |
EP2204353A3 (fr) * | 1998-10-09 | 2010-09-15 | Zenon Technology Partnership | Système d'aération cyclique pour modules de membranes submergés |
US6319411B1 (en) * | 1998-10-09 | 2001-11-20 | Zenon Environmental Inc. | Method of maintaining clean vertical skeins of hollow fiber membranes and system therefor |
US6550747B2 (en) * | 1998-10-09 | 2003-04-22 | Zenon Environmental Inc. | Cyclic aeration system for submerged membrane modules |
-
2001
- 2001-12-04 JP JP2001370627A patent/JP2003172291A/ja not_active Withdrawn
-
2002
- 2002-11-14 TW TW091133405A patent/TW200300819A/zh unknown
- 2002-11-26 KR KR1020020073978A patent/KR20030045597A/ko not_active Application Discontinuation
- 2002-11-27 EP EP02258145A patent/EP1318308A3/fr not_active Withdrawn
- 2002-12-03 US US10/308,819 patent/US20030103847A1/en not_active Abandoned
- 2002-12-04 CN CN02154776A patent/CN1429994A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0260733A1 (fr) * | 1986-08-12 | 1988-03-23 | Ultra-Centrifuge Nederland N.V. | Pompe sous vide élevé |
EP0805275A2 (fr) * | 1996-05-03 | 1997-11-05 | The BOC Group plc | Pompes à vide |
JPH11210674A (ja) * | 1998-01-27 | 1999-08-03 | Ebara Corp | ターボ分子ポンプ |
JP2001248587A (ja) * | 1999-12-28 | 2001-09-14 | Kashiyama Kogyo Kk | 複合型真空ポンプ |
JP2001323892A (ja) * | 2000-05-16 | 2001-11-22 | Shimadzu Corp | ターボ型真空機器 |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 13 30 November 1999 (1999-11-30) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 26 1 July 2002 (2002-07-01) * |
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 03 3 April 2002 (2002-04-03) * |
Also Published As
Publication number | Publication date |
---|---|
JP2003172291A (ja) | 2003-06-20 |
CN1429994A (zh) | 2003-07-16 |
KR20030045597A (ko) | 2003-06-11 |
EP1318308A2 (fr) | 2003-06-11 |
US20030103847A1 (en) | 2003-06-05 |
TW200300819A (en) | 2003-06-16 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7F 04D 29/26 B Ipc: 7F 04D 19/04 A |
|
AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20040604 |