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DE69820547D1 - Vakuum-Pumpsystem - Google Patents

Vakuum-Pumpsystem

Info

Publication number
DE69820547D1
DE69820547D1 DE69820547T DE69820547T DE69820547D1 DE 69820547 D1 DE69820547 D1 DE 69820547D1 DE 69820547 T DE69820547 T DE 69820547T DE 69820547 T DE69820547 T DE 69820547T DE 69820547 D1 DE69820547 D1 DE 69820547D1
Authority
DE
Germany
Prior art keywords
pumping system
vacuum pumping
vacuum
pumping
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.)
Expired - Lifetime
Application number
DE69820547T
Other languages
English (en)
Other versions
DE69820547T3 (de
DE69820547T2 (de
Inventor
Barrie Dudley Brewster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edwards Ltd
Original Assignee
BOC Group Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10817597&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69820547(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BOC Group Ltd filed Critical BOC Group Ltd
Publication of DE69820547D1 publication Critical patent/DE69820547D1/de
Application granted granted Critical
Publication of DE69820547T2 publication Critical patent/DE69820547T2/de
Publication of DE69820547T3 publication Critical patent/DE69820547T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Fluid Pressure (AREA)
DE69820547T 1997-08-15 1998-08-14 Vakuum-Pumpsystem Expired - Lifetime DE69820547T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9717400.7A GB9717400D0 (en) 1997-08-15 1997-08-15 Vacuum pumping systems
GB9717400 1997-08-15

Publications (3)

Publication Number Publication Date
DE69820547D1 true DE69820547D1 (de) 2004-01-29
DE69820547T2 DE69820547T2 (de) 2004-11-18
DE69820547T3 DE69820547T3 (de) 2008-07-10

Family

ID=10817597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69820547T Expired - Lifetime DE69820547T3 (de) 1997-08-15 1998-08-14 Vakuum-Pumpsystem

Country Status (5)

Country Link
US (1) US6200107B1 (de)
EP (1) EP0898083B2 (de)
JP (1) JP4219450B2 (de)
DE (1) DE69820547T3 (de)
GB (1) GB9717400D0 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002168192A (ja) * 2000-12-01 2002-06-14 Seiko Instruments Inc 真空ポンプ
JP4335469B2 (ja) * 2001-03-22 2009-09-30 株式会社荏原製作所 真空排気装置のガス循環量調整方法及び装置
SE519641C2 (sv) * 2001-08-08 2003-03-25 Metso Paper Inc Kombinerad centrifugal- och vakuumpump för pumpning av massa
US6589023B2 (en) * 2001-10-09 2003-07-08 Applied Materials, Inc. Device and method for reducing vacuum pump energy consumption
GB0124731D0 (en) * 2001-10-15 2001-12-05 Boc Group Plc Vacuum pumps
US20030175112A1 (en) * 2002-03-13 2003-09-18 Hirotaka Namiki Vacuum pump system and vacuum pump RPM control method
US6739840B2 (en) 2002-05-22 2004-05-25 Applied Materials Inc Speed control of variable speed pump
GB0229353D0 (en) 2002-12-17 2003-01-22 Boc Group Plc Vacuum pumping system and method of operating a vacuum pumping arrangement
GB0329839D0 (en) * 2003-12-23 2004-01-28 Boc Group Plc Vacuum pump
GB0401396D0 (en) * 2004-01-22 2004-02-25 Boc Group Plc Pressure control method
WO2006006906A1 (en) * 2004-07-13 2006-01-19 Delaval Holding Ab Controllable vacuum source
US7140847B2 (en) * 2004-08-11 2006-11-28 The Boc Group, Inc. Integrated high vacuum pumping system
EP1739308B1 (de) * 2005-06-30 2008-06-18 VARIAN S.p.A. Vakuumpumpe
KR100706792B1 (ko) * 2005-08-01 2007-04-12 삼성전자주식회사 펌프 유닛을 가지는 반도체 소자 제조 장치 및 상기 펌프유닛을 세정하는 방법
US7438534B2 (en) * 2005-10-07 2008-10-21 Edwards Vacuum, Inc. Wide range pressure control using turbo pump
JP5408825B2 (ja) * 2008-10-23 2014-02-05 中外ハイテック有限会社 内循環乳化分散機
JP5486184B2 (ja) * 2008-12-10 2014-05-07 エドワーズ株式会社 真空ポンプ
GB0901872D0 (en) * 2009-02-06 2009-03-11 Edwards Ltd Multiple inlet vacuum pumps
DE102009017887A1 (de) * 2009-04-17 2010-10-21 Oerlikon Leybold Vacuum Gmbh Grobpumpverfahren für eine Verdrängerpumpe
JP5862943B2 (ja) * 2011-11-16 2016-02-16 新東工業株式会社 真空装置及び真空装置の真空容器内の圧力制御方法
US10428807B2 (en) * 2011-12-09 2019-10-01 Applied Materials, Inc. Pump power consumption enhancement
AU2013376868B2 (en) 2013-01-31 2017-03-30 Danfoss A/S Centrifugal compressor with extended operating range
WO2017135949A1 (en) 2016-02-04 2017-08-10 Danfoss A/S Active surge control in centrifugal compressors using microjet injection
ES2984721T3 (es) * 2019-12-04 2024-10-30 Ateliers Busch S A Sistema de bombeo redundante y método de bombeo mediante este sistema de bombeo
GB2592043A (en) * 2020-02-13 2021-08-18 Edwards Ltd Axial flow vacuum pump
JP2022061344A (ja) * 2020-10-06 2022-04-18 エドワーズ株式会社 真空排気システム
CN112483433B (zh) * 2020-11-11 2022-07-05 上海裕达实业有限公司 一种内置真空传感器的便携式仪器分子泵
GB2606392B (en) * 2021-05-07 2024-02-14 Edwards Ltd A fluid routing for a vacuum pumping system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT204163B (de) * 1958-02-19 1959-07-10 Enfo Grundlagen Forschungs Ag Verfahren und Einrichtung zur stufenlosen Regelung der Liefermenge von mehrstufigen Verdichtern
US4850806A (en) * 1988-05-24 1989-07-25 The Boc Group, Inc. Controlled by-pass for a booster pump
EP0344345B1 (de) * 1988-06-01 1991-09-18 Leybold Aktiengesellschaft Pumpsystem für ein Lecksuchgerät
FR2647853A1 (fr) 1989-06-05 1990-12-07 Cit Alcatel Pompe primaire seche a deux etages
US5358373A (en) * 1992-04-29 1994-10-25 Varian Associates, Inc. High performance turbomolecular vacuum pumps
DE4228313A1 (de) * 1992-08-26 1994-03-03 Leybold Ag Gegenstrom-Lecksucher mit Hochvakuumpumpe
DE4410903A1 (de) * 1994-03-29 1995-10-05 Leybold Ag System mit Vakuumpumpe, Meßgerät sowie Versorgungs-, Steuer-, Bedienungs- und Anzeigeeinrichtungen
JP3847357B2 (ja) * 1994-06-28 2006-11-22 株式会社荏原製作所 真空系の排気装置
DE19704234B4 (de) * 1997-02-05 2006-05-11 Pfeiffer Vacuum Gmbh Verfahren und Vorrichtung zur Regelung des Saugvermögens von Vakuumpumpen

Also Published As

Publication number Publication date
DE69820547T3 (de) 2008-07-10
JP4219450B2 (ja) 2009-02-04
EP0898083A3 (de) 1999-07-07
JPH11153087A (ja) 1999-06-08
EP0898083B2 (de) 2008-04-23
EP0898083A2 (de) 1999-02-24
EP0898083B1 (de) 2003-12-17
DE69820547T2 (de) 2004-11-18
GB9717400D0 (en) 1997-10-22
US6200107B1 (en) 2001-03-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: EDWARDS LTD., CRAWLEY, WEST SUSSEX, GB

8366 Restricted maintained after opposition proceedings