JPH09170589A - ターボ分子ポンプ - Google Patents
ターボ分子ポンプInfo
- Publication number
- JPH09170589A JPH09170589A JP8312612A JP31261296A JPH09170589A JP H09170589 A JPH09170589 A JP H09170589A JP 8312612 A JP8312612 A JP 8312612A JP 31261296 A JP31261296 A JP 31261296A JP H09170589 A JPH09170589 A JP H09170589A
- Authority
- JP
- Japan
- Prior art keywords
- pumping
- pump
- channel
- rotor
- stator
- 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.)
- Pending
Links
- 238000005086 pumping Methods 0.000 claims abstract description 85
- 230000000712 assembly Effects 0.000 claims abstract 5
- 238000000429 assembly Methods 0.000 claims abstract 5
- 239000007789 gas Substances 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 15
- 239000011261 inert gas Substances 0.000 claims description 11
- 239000007858 starting material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method 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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT95TO000911A IT1281025B1 (it) | 1995-11-10 | 1995-11-10 | Pompa turbomolecolare. |
| IT095A000911 | 1995-11-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09170589A true JPH09170589A (ja) | 1997-06-30 |
| JPH09170589A5 JPH09170589A5 (2) | 2004-09-02 |
Family
ID=11413956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8312612A Pending JPH09170589A (ja) | 1995-11-10 | 1996-11-11 | ターボ分子ポンプ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5688106A (2) |
| EP (1) | EP0773367B1 (2) |
| JP (1) | JPH09170589A (2) |
| DE (2) | DE773367T1 (2) |
| IT (1) | IT1281025B1 (2) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010504465A (ja) * | 2006-09-22 | 2010-02-12 | エドワーズ リミテッド | 真空ポンプ |
| CN104295509A (zh) * | 2013-07-15 | 2015-01-21 | 普发真空有限公司 | 真空泵 |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9609281D0 (en) * | 1996-05-03 | 1996-07-10 | Boc Group Plc | Improved vacuum pumps |
| JP3079367B2 (ja) * | 1997-10-03 | 2000-08-21 | セイコー精機株式会社 | ターボ分子ポンプ |
| TW504548B (en) * | 1998-06-30 | 2002-10-01 | Ebara Corp | Turbo molecular pump |
| FR2783883B1 (fr) * | 1998-09-10 | 2000-11-10 | Cit Alcatel | Procede et dispositif pour eviter les depots dans une pompe turbomoleculaire a palier magnetique ou gazeux |
| JP2000183037A (ja) * | 1998-12-11 | 2000-06-30 | Tokyo Electron Ltd | 真空処理装置 |
| US6328527B1 (en) * | 1999-01-08 | 2001-12-11 | Fantom Technologies Inc. | Prandtl layer turbine |
| JP3788558B2 (ja) * | 1999-03-23 | 2006-06-21 | 株式会社荏原製作所 | ターボ分子ポンプ |
| JP4104098B2 (ja) * | 1999-03-31 | 2008-06-18 | エドワーズ株式会社 | 真空ポンプ |
| US6412173B1 (en) | 1999-07-26 | 2002-07-02 | Phoenix Analysis And Design Technologies, Inc. | Miniature turbomolecular pump |
| GB9921983D0 (en) * | 1999-09-16 | 1999-11-17 | Boc Group Plc | Improvements in vacuum pumps |
| US6508631B1 (en) | 1999-11-18 | 2003-01-21 | Mks Instruments, Inc. | Radial flow turbomolecular vacuum pump |
| JP3777498B2 (ja) * | 2000-06-23 | 2006-05-24 | 株式会社荏原製作所 | ターボ分子ポンプ |
| EP1619395B1 (en) * | 2004-07-20 | 2010-03-10 | VARIAN S.p.A. | Rotary vacuum pump, structure and method for the balancing thereof |
| US20080056886A1 (en) * | 2006-08-31 | 2008-03-06 | Varian, S.P.A. | Vacuum pumps with improved pumping channel cross sections |
| EP2096317B1 (en) | 2008-02-27 | 2012-08-15 | Agilent Technologies, Inc. | Method for manufacturing the rotor assembly of a rotating vacuum pump |
| US8152442B2 (en) * | 2008-12-24 | 2012-04-10 | Agilent Technologies, Inc. | Centripetal pumping stage and vacuum pump incorporating such pumping stage |
| US8070419B2 (en) * | 2008-12-24 | 2011-12-06 | Agilent Technologies, Inc. | Spiral pumping stage and vacuum pump incorporating such pumping stage |
| GB2498816A (en) | 2012-01-27 | 2013-07-31 | Edwards Ltd | Vacuum pump |
| EP2757265B1 (en) * | 2013-01-22 | 2016-05-18 | Agilent Technologies, Inc. | Spiral pumping stage and vacuum pump incorporating such pumping stage. |
| DE102013220879A1 (de) * | 2013-10-15 | 2015-04-16 | Pfeiffer Vacuum Gmbh | Vakuumpumpe |
| IT201700075054A1 (it) * | 2017-07-04 | 2017-10-04 | Agilent Tech Inc A Delaware Corporation | Stadio di pompaggio molecolare per pompa da vuoto e pompa da vuoto comprendente detto stadio di pompaggio molecolare |
| CN109441875A (zh) * | 2018-12-25 | 2019-03-08 | 大连金刚科技有限责任公司 | 叶轮及气体泵 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969039A (en) * | 1974-08-01 | 1976-07-13 | American Optical Corporation | Vacuum pump |
| 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 |
| US4732529A (en) * | 1984-02-29 | 1988-03-22 | Shimadzu Corporation | Turbomolecular pump |
| JPS63255596A (ja) * | 1987-04-13 | 1988-10-21 | Ebara Corp | タ−ボ分子ポンプ |
| EP0408791B1 (de) * | 1989-07-20 | 1994-03-16 | Leybold Aktiengesellschaft | Reibungspumpe mit glockenförmigem Rotor |
| US5238362A (en) * | 1990-03-09 | 1993-08-24 | Varian Associates, Inc. | Turbomolecular pump |
| US5358373A (en) * | 1992-04-29 | 1994-10-25 | Varian Associates, Inc. | High performance turbomolecular vacuum pumps |
| DE4314418A1 (de) * | 1993-05-03 | 1994-11-10 | Leybold Ag | Reibungsvakuumpumpe mit unterschiedlich gestalteten Pumpenabschnitten |
| DE4410656A1 (de) * | 1994-03-26 | 1995-09-28 | Balzers Pfeiffer Gmbh | Reibungspumpe |
-
1995
- 1995-11-10 IT IT95TO000911A patent/IT1281025B1/it active IP Right Grant
-
1996
- 1996-01-24 EP EP96200164A patent/EP0773367B1/en not_active Expired - Lifetime
- 1996-01-24 DE DE0773367T patent/DE773367T1/de active Pending
- 1996-01-24 DE DE69600306T patent/DE69600306T2/de not_active Expired - Lifetime
- 1996-11-08 US US08/748,526 patent/US5688106A/en not_active Expired - Fee Related
- 1996-11-11 JP JP8312612A patent/JPH09170589A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010504465A (ja) * | 2006-09-22 | 2010-02-12 | エドワーズ リミテッド | 真空ポンプ |
| CN104295509A (zh) * | 2013-07-15 | 2015-01-21 | 普发真空有限公司 | 真空泵 |
| JP2015017611A (ja) * | 2013-07-15 | 2015-01-29 | 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 |
|---|---|
| DE69600306D1 (de) | 1998-06-25 |
| ITTO950911A1 (it) | 1997-05-10 |
| IT1281025B1 (it) | 1998-02-11 |
| ITTO950911A0 (2) | 1995-11-10 |
| DE69600306T2 (de) | 1998-09-10 |
| DE773367T1 (de) | 1997-09-11 |
| EP0773367A1 (en) | 1997-05-14 |
| EP0773367B1 (en) | 1998-05-20 |
| US5688106A (en) | 1997-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH09170589A (ja) | ターボ分子ポンプ | |
| US6705844B2 (en) | Dynamic seal | |
| CN101517240B (zh) | 分子拖曳泵送机构 | |
| US5118251A (en) | Compound turbomolecular vacuum pump having two rotary shafts and delivering to atmospheric pressure | |
| US6302645B1 (en) | Labyrinth sealing device, and fluid machine providing the same | |
| US5893702A (en) | Gas friction pump | |
| JPH09170589A5 (2) | ||
| JP2002515568A (ja) | ステータとロータを備えた摩擦真空ポンプ | |
| JPH02102385A (ja) | 排気装置 | |
| JP2002516959A (ja) | シャシ、ロータ及びケーシングを有する摩擦真空ポンプ並びにこの形式の摩擦真空ポンプを備えた装置 | |
| US6409468B1 (en) | Turbo-molecular pump | |
| US6179573B1 (en) | Vacuum pump with inverted motor | |
| GB2475254A (en) | Vacuum pump with additional leakage path for back leakage | |
| JP2002526720A (ja) | ステータとロータを有する摩擦真空ポンプ | |
| JPH0389080A (ja) | 真空ポンプ潤滑油のシール機構 | |
| JP2000038998A (ja) | 真空ポンプ及び真空装置 | |
| JP4567462B2 (ja) | 真空ポンプ排出システム及び真空ポンプ排出装置の作動方法 | |
| JP2003013880A (ja) | ターボ分子ポンプ | |
| JPH02264196A (ja) | ターボ真空ポンプ | |
| JPH05141389A (ja) | 真空ポンプ | |
| JP2006509953A (ja) | 真空ポンプ排出装置及びその作動方法 | |
| JP2897424B2 (ja) | 真空ポンプ | |
| JP2525848Y2 (ja) | 真空ポンプ | |
| JP2002202089A (ja) | ターボ形ドライ真空ポンプ | |
| JP2004036390A (ja) | 改良型真空ポンプ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20050405 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20050405 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20050426 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050512 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20061024 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070123 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070126 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070703 |