DE202004018733U1 - Pumpe - Google Patents

Pumpe Download PDF

Info

Publication number
DE202004018733U1
DE202004018733U1 DE202004018733U DE202004018733U DE202004018733U1 DE 202004018733 U1 DE202004018733 U1 DE 202004018733U1 DE 202004018733 U DE202004018733 U DE 202004018733U DE 202004018733 U DE202004018733 U DE 202004018733U DE 202004018733 U1 DE202004018733 U1 DE 202004018733U1
Authority
DE
Germany
Prior art keywords
flow resistance
pump according
medium
pump
pressure
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
DE202004018733U
Other languages
German (de)
English (en)
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
Application filed by BOC Group Ltd filed Critical BOC Group Ltd
Publication of DE202004018733U1 publication Critical patent/DE202004018733U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/086—Carter
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/123—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • F04C2220/12—Dry running

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE202004018733U 2003-12-03 2004-12-03 Pumpe Expired - Lifetime DE202004018733U1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0327964A GB2408801A (en) 2003-12-03 2003-12-03 Detection of seal leak using differential pressure measurement
GB03279643 2003-12-03

Publications (1)

Publication Number Publication Date
DE202004018733U1 true DE202004018733U1 (de) 2005-04-14

Family

ID=29764459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE202004018733U Expired - Lifetime DE202004018733U1 (de) 2003-12-03 2004-12-03 Pumpe

Country Status (7)

Country Link
US (1) US20050123414A1 (fr)
JP (1) JP3109161U (fr)
CN (1) CN2844879Y (fr)
DE (1) DE202004018733U1 (fr)
FR (1) FR2863322B3 (fr)
GB (1) GB2408801A (fr)
TW (1) TWM278782U (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021971A1 (de) * 2008-05-02 2009-11-05 Oerlikon Leybold Vacuum Gmbh Vakuumpumpe sowie Verfahren zum Reinigen von Vakuumpumpen
WO2013127464A1 (fr) * 2012-03-02 2013-09-06 Maag Pump Systems Ag Système d'étanchéité, dispositif de transport pourvu d'un système d'étanchéité ainsi que procédé permettant de faire fonctionner ledit système d'étanchéité
EP2801725A3 (fr) * 2013-05-10 2015-01-14 Pfeiffer Vacuum Gmbh Dispositif comprenant au moins un canal pour l'acheminement d'un fluide de travail gazeux ou liquide
EP2871363A1 (fr) 2013-11-06 2015-05-13 Dover Pump Solutions Group (Europe) GmbH Agencement d'étanchéité, dispositif de transport doté d'un agencement d'étanchéité et procédé de fonctionnement de l'agencement d'étanchéité

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI438342B (zh) * 2006-07-28 2014-05-21 Lot Vacuum Co Ltd 具有魯式與螺旋轉子之複合型乾式真空幫浦
GB2442738B (en) * 2006-10-09 2011-08-03 Boc Group Plc A sealing system
GB0712779D0 (en) * 2007-07-02 2007-08-08 Edwards Ltd Seal
CN103517763A (zh) * 2011-03-15 2014-01-15 卡柯洛塑料技术有限公司 表面处理
US8997553B2 (en) * 2011-04-14 2015-04-07 Cincinnati Test Systems, Inc. Leak testing device and method
CN102606465B (zh) * 2012-03-06 2015-01-07 昆山佳铭自动化科技有限公司 电子真空泵综合性能检测装置
CN102865219B (zh) * 2012-10-09 2014-11-12 浙江宇宙智能设备有限公司 一种直驱式高压泵动密封内泄在线监测方法
CN103422899B (zh) * 2013-08-09 2015-06-03 华南理工大学 小型天然气管网压力能发电的工艺及装置
JP6418838B2 (ja) 2014-07-31 2018-11-07 エドワーズ株式会社 ドライポンプ及び排ガス処理方法
FR3107575B1 (fr) * 2020-02-20 2022-03-25 Pfeiffer Vacuum Tech Ag Pompe à vide sèche
CN114593059A (zh) * 2020-12-07 2022-06-07 中国科学院沈阳科学仪器股份有限公司 一种干式真空泵的定子部件

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818752A (en) * 1971-04-28 1974-06-25 N Lindeberg Method and apparatus for testing tightness
GB2143596B (en) * 1983-07-19 1986-07-02 Telspec Ltd Improvements in and relating to the sealing of electrical cable joints equipment housings or the like
FR2638788B1 (fr) * 1988-11-07 1994-01-28 Alcatel Cit Pompe a vide du type roots multietage
FR2666440B1 (fr) * 1990-08-28 1992-12-11 Framatome Sa Procede de controle de la mise en place d'un element transportable et de l'etancheite de la liaison avec une structure fixe et utilisation de ce procede.
CA2161000C (fr) * 1993-05-06 2004-12-21 Kenneth John Davey Dispositif de surveillance pour surveilles les anomalies imminentes dans l'integrite de composante ou d'une stucture
GB9403184D0 (en) * 1994-02-18 1994-04-06 Boc Group Plc Methods and apparatus for leak testing
EP0786655B1 (fr) * 1997-05-07 2002-07-24 Martin Lehmann Procédé d'essai d'étanchéité d'un récipient fermé, chambre d'essai, dispositif de test et système d'inspection pour celui-ci
US6092370A (en) * 1997-09-16 2000-07-25 Flow International Corporation Apparatus and method for diagnosing the status of specific components in high-pressure fluid pumps
JPH11230352A (ja) * 1998-02-10 1999-08-27 Nec Corp 密閉容器及びその試験方法
US6123526A (en) * 1998-09-18 2000-09-26 Industrial Technology Research Institute Multistage pump and method for assembling the pump
US6301319B1 (en) * 1998-09-30 2001-10-09 Westinghouse Electric Company Llc Method of sealing a reactor pressure vessel
AUPQ726600A0 (en) * 2000-05-03 2000-05-25 Structural Monitoring Systems Ltd System and method for continuous monitoring of the structural integrity of a component or structure
AUPQ823500A0 (en) * 2000-06-19 2000-07-13 Structural Monitoring Systems Ltd Apparatus for condition monitoring the integrity of fasteners and fastened joints
AUPR001800A0 (en) * 2000-09-08 2000-10-05 Structural Monitoring Systems Ltd Method and apparatus for monitoring the integrity of structures
FR2813104B1 (fr) * 2000-08-21 2002-11-29 Cit Alcatel Joint etancheite pour pompe a vide
US7241115B2 (en) * 2002-03-01 2007-07-10 Waters Investments Limited Methods and apparatus for determining the presence or absence of a fluid leak
US6817228B2 (en) * 2002-04-01 2004-11-16 Schlumberger Technology Corporation Method and apparatus for detecting seal failure
GB0310615D0 (en) * 2003-05-08 2003-06-11 Boc Group Plc Improvements in seal assemblies

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021971A1 (de) * 2008-05-02 2009-11-05 Oerlikon Leybold Vacuum Gmbh Vakuumpumpe sowie Verfahren zum Reinigen von Vakuumpumpen
WO2013127464A1 (fr) * 2012-03-02 2013-09-06 Maag Pump Systems Ag Système d'étanchéité, dispositif de transport pourvu d'un système d'étanchéité ainsi que procédé permettant de faire fonctionner ledit système d'étanchéité
CN104246131A (zh) * 2012-03-02 2014-12-24 多佛泵解决方案集团（欧洲）有限公司 密封结构、具有密封结构的输送装置以及密封结构的操作方法
CN104246131B (zh) * 2012-03-02 2018-07-10 多佛泵解决方案集团（欧洲）有限公司 密封结构、具有密封结构的输送装置以及密封结构的操作方法
US10036385B2 (en) 2012-03-02 2018-07-31 Dover Pump Solutions Group (Europe) Gmbh Sealing arrangement, a conveying device having a sealing arrangement and a method for operating the sealing arrangement
EP2801725A3 (fr) * 2013-05-10 2015-01-14 Pfeiffer Vacuum Gmbh Dispositif comprenant au moins un canal pour l'acheminement d'un fluide de travail gazeux ou liquide
EP2871363A1 (fr) 2013-11-06 2015-05-13 Dover Pump Solutions Group (Europe) GmbH Agencement d'étanchéité, dispositif de transport doté d'un agencement d'étanchéité et procédé de fonctionnement de l'agencement d'étanchéité

Also Published As

Publication number Publication date
TWM278782U (en) 2005-10-21
CN2844879Y (zh) 2006-12-06
FR2863322A3 (fr) 2005-06-10
GB2408801A (en) 2005-06-08
JP3109161U (ja) 2005-05-12
FR2863322B3 (fr) 2005-12-02
GB0327964D0 (en) 2004-01-07
US20050123414A1 (en) 2005-06-09

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20050519

R081 Change of applicant/patentee

Owner name: EDWARDS LTD., GB

Free format text: FORMER OWNER: THE BOC GROUP PLC., WINDLESHAM, GB

Effective date: 20080102

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20080220

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20110118

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20130131

R071 Expiry of right
R071 Expiry of right
R082 Change of representative

Representative=s name: FLEUCHAUS & GALLO PARTNERSCHAFT MBB PATENTANWA, DE