EP1880111A1 - Systeme de pompe a vide - Google Patents

Systeme de pompe a vide

Info

Publication number
EP1880111A1
EP1880111A1 EP06754953A EP06754953A EP1880111A1 EP 1880111 A1 EP1880111 A1 EP 1880111A1 EP 06754953 A EP06754953 A EP 06754953A EP 06754953 A EP06754953 A EP 06754953A EP 1880111 A1 EP1880111 A1 EP 1880111A1
Authority
EP
European Patent Office
Prior art keywords
pump
housing
vacuum
vacuum chamber
chamber housing
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.)
Granted
Application number
EP06754953A
Other languages
German (de)
English (en)
Other versions
EP1880111B1 (fr
Inventor
Dirk Kalisch
Robert Stolle
Heinz-Dieter Odendahl
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.)
Leybold GmbH
Original Assignee
Oerlikon Leybold Vacuum GmbH
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 Oerlikon Leybold Vacuum GmbH filed Critical Oerlikon Leybold Vacuum GmbH
Publication of EP1880111A1 publication Critical patent/EP1880111A1/fr
Application granted granted Critical
Publication of EP1880111B1 publication Critical patent/EP1880111B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid 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
    • F04D19/042—Turbomolecular vacuum pumps

Definitions

  • the invention relates to a vacuum pump arrangement, in particular a turbomolecular Pumpcnanaku.
  • Vacuum pumps such as turbomolecular pumps, are connected to a vacuum chamber housing to create a vacuum in a vacuum chamber.
  • the connection takes place via a pump flange connected to the pump housing and corresponding holding elements, such as so-called claws.
  • the claws are connected to the pump flange, on which, for example, a projection of the claw engages in a groove or groove of the pumping flange.
  • the pump housing can be rotated relative to the vacuum chamber housing. This can lead to damage of the vacuum chamber housing in the attachment of the claws.
  • the damage of the vacuum chamber housing is disadvantageous, since in addition to the replacement of the vacuum pump and a repair of the vacuum chamber housing is required. This is not only costly, but also interrupts a production for a longer period if necessary. Possibly. It may even happen that the claws break completely on the pump flange and the vacuum pump is no longer held on the vacuum chamber housing, so that the vacuum pump can fall down.
  • damage to the vacuum chamber housing hiet was due to a high VerJetsungsrisiko of 70%fs.
  • the object of the invention is to increase the safety of vacuum pump assemblies in case of damage.
  • the vacuum pump arrangement according to the invention which is in particular a turbomolgular pumping arrangement, has in particular a pump with high weight and / or high rotational speeds of the rotor.
  • the vacuum pump assembly has a pump housing in which a rotor and a stator are arranged. With the pump housing, a pump flange is connected, wherein the pump flange can also be formed directly as part of the housing for securing the pump housing to a Vakuumhuntgeophiereelemcnre are provided.
  • at least one retaining element has an anti-twist device which is connected to the vacuum chamber housing 5 -
  • At least one Halteelcment is provided with an anti-rotation device according to the invention.
  • two, in particular opposing holding elements are provided with anti-rotation.
  • the retaining clip according to the invention can be combined with anti-rotation with conventional single Haltcclementen.
  • a plurality of retaining elements are provided with rotation, in particular with at least three on the circumference of the pump flange arranged in advance holding elements.
  • the pump flange is preferably formed annular.
  • the retaining element may have a pin which preferably engages in a recess or bore provided on the pump chamber housing.
  • the retaining element preferably has a Befest Trentselemcnt, such as a screw on.
  • a preferred embodiment of the retaining element according to the invention thus has an anti-rotation, for example in the form of a pin engaging in a recess, and a fastening element which is screwed into a provided on the vacuum chamber housing thread.
  • the anti-rotation device is also designed as a fastening element, in particular as a screw, so that the retaining element according to the invention has at least two, in particular identically designed fastening elements. Since both Befest Trentselemcntc provided in the Vakuumcrousc recesses, such as - -1 -
  • the pump flange connected to the pump housing or formed as part of the pump housing preferably has an annular groove. This can be interrupted, but preferably runs along the entire circumference.
  • the holding elements preferably have a particular annular segment-shaped approach, which engages in the groove.
  • the radius of the groove substantially corresponds to the radius of the lugs.
  • FIG. 1 is a schematic sectional view of a vacuum
  • Fig. 2 is a schematic perspective view of a
  • FIG. 3 is a schematic perspective view of an adhesive element according to the invention.
  • a vacuum pump arrangement has a pump housing 10, in which a rotor 14 rotating about a longitudinal axis 12 is arranged. Between the individual rotor blades 14 stator blades 16 connected to the housing 10 are arranged. The rotor 14 is fixedly connected via a connecting element 18 with a drive shaft 20. Accordingly, the stator 16 is fixedly connected via a kauselcmcnt 22 with the housing 10.
  • the housing 10 is fastened to a vacuum chamber housing 26 in the region of an opening 28.
  • the housing has a krc ⁇ sringförmtgen pump flange 30 in the illustrated embodiment.
  • the pump flange 30 is L-shaped in cross section, so that an annular groove 32 is formed.
  • the pump housing 10 is fastened via the flange 30 to the vacuum chamber housing 26.
  • the holding element 34 has a projection 36, in particular a circular ring segment, which engages in the groove 32 of the pump flange 30.
  • a screw 38 is provided as a fastening element.
  • the holding element 34 according to the invention (FIG. 2) has a fastening element 38 and an anti-rotation lock 40, wherein both the fastening element 38 and the anti-rotation lock 40 are in the illustrated embodiment Screw are formed.
  • the Vermossichcrung 40 engages in a recess 42, which is in the illustratedariessbeisp ⁇ el a threaded bore in the vacuum chamber housing 26.
  • FIG. 2 In the perspective view of the pump housing 30 shown in Fig. 2 is a view of the flange side of the pump housing, wherein on the annular flange 30 four inventive holding elements 34 and four Einzcl-holding elements 44 are arranged.
  • the holding elements 34 according to the invention each have a circular-ring-shaped projection 36, which engages in the groove 32 of the pump flange 30 (FIG. 1). Further, each Garelemcnt 34 two screws 38, 40 are provided which serve as a fastener or rotation.
  • the screws 38, 40 are guided by provided in the Haltcelement 34 through holes 46.
  • a single retaining element 44 is shown in Fig. A in case of damage.
  • the Einzel-Halteelemcnt 44 is attached via a screw 48 in the Vakuumhuntgephaseusc 10. Due to the high occurring moments in case of damage, the pump housing 10 is rotated in the direction of an arrow 50. This results in a twisting of a single Garclcments 44 in the Gegcn-Uhr Attachers ⁇ nn, this can cause damage to the flange 30 and the vacuum chamber housing 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
EP06754953A 2005-05-07 2006-05-02 Systeme de pompe a vide Not-in-force EP1880111B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005020904A DE102005020904A1 (de) 2005-05-07 2005-05-07 Vakuum-Pumpenanordnung
PCT/EP2006/061977 WO2006120132A1 (fr) 2005-05-07 2006-05-02 Systeme de pompe a vide

Publications (2)

Publication Number Publication Date
EP1880111A1 true EP1880111A1 (fr) 2008-01-23
EP1880111B1 EP1880111B1 (fr) 2009-12-30

Family

ID=36593111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06754953A Not-in-force EP1880111B1 (fr) 2005-05-07 2006-05-02 Systeme de pompe a vide

Country Status (9)

Country Link
US (1) US20090068011A1 (fr)
EP (1) EP1880111B1 (fr)
JP (1) JP2009500549A (fr)
CN (1) CN100575711C (fr)
AT (1) ATE453802T1 (fr)
DE (2) DE102005020904A1 (fr)
HK (1) HK1109440A1 (fr)
TW (1) TWI390112B (fr)
WO (1) WO2006120132A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893094B1 (fr) * 2005-11-10 2011-11-11 Cit Alcatel Dispositif de fixation pour une pompe a vide
DE102006058672B4 (de) * 2006-12-13 2016-09-15 Pfeiffer Vacuum Gmbh Anordnung mit Vakuumpumpe
EP2017480A1 (fr) * 2007-06-15 2009-01-21 VARIAN S.p.A. Joint divisé pour pompes sous vide et procédé d'obtention d'un tel joint
DE102008028199A1 (de) * 2008-06-12 2009-12-17 Pfeiffer Vacuum Gmbh Verbindungselement
DE102009013244A1 (de) * 2009-03-14 2010-09-16 Pfeiffer Vacuum Gmbh Anordnung mit Vakuumpumpe
GB201314841D0 (en) 2013-08-20 2013-10-02 Thermo Fisher Scient Bremen Multiple port vacuum pump system
DE102013222167A1 (de) * 2013-10-31 2015-04-30 Pfeiffer Vacuum Gmbh Vakuumpumpe
DE102014102680A1 (de) * 2014-02-28 2015-09-03 Pfeiffer Vacuum Gmbh Vakuumpumpenanordnung
EP3059450B1 (fr) * 2015-02-17 2018-07-18 Pfeiffer Vacuum Gmbh Dispositif de fixation pour pompe à vide
EP3067565B1 (fr) * 2015-03-13 2020-07-22 Pfeiffer Vacuum Gmbh Pompe à vide
JP6507885B2 (ja) * 2015-06-29 2019-05-08 株式会社島津製作所 真空ポンプ
EP3171030B1 (fr) * 2015-11-19 2020-01-08 Pfeiffer Vacuum Gmbh Pompe à vide
DE202015008803U1 (de) * 2015-12-23 2017-03-24 Leybold Gmbh Verbindungseinrichtung
CN107461556B (zh) 2016-06-03 2024-05-03 开利公司 法兰连接组件及其装卸方法、管路连接装置及冷却器机组
GB2579791B (en) * 2018-12-13 2021-07-14 Edwards Ltd Vacuum pump with variable axial position

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Publication number Priority date Publication date Assignee Title
US1062438A (en) * 1912-12-30 1913-05-20 S R Dresser Mfg Co Wrought-metal ring for collar-clamps, &c.
US1637944A (en) * 1925-07-22 1927-08-02 Morgan Construction Co Coupling device
US2443187A (en) * 1944-08-15 1948-06-15 James C Hobbs Pipe coupling
DE1149201B (de) * 1959-07-16 1963-05-22 Demag Ag Loesbare Verbindung von zwei ungleichen Temperaturen ausgesetzten, an ihrer Verbindungsstelle ringfoermigen Bauteilen
US3165341A (en) * 1962-07-10 1965-01-12 Star Tank And Filter Corp Clamping devices for mated flanges
US3761114A (en) * 1971-08-30 1973-09-25 Victaulic Co Ltd Pipe to flange couplings
US3942141A (en) * 1972-05-26 1976-03-02 Licentia Patent-Verwaltungs-G.M.B.H. Flange
US3850455A (en) * 1972-11-17 1974-11-26 Caterpillar Tractor Co Strain-limiting connector
US4699353A (en) * 1986-12-31 1987-10-13 Weyer Paul P Rotary valve actuator
US4779900A (en) * 1987-02-11 1988-10-25 Ebaa Iron Inc. Segmented pipe joint retainer glands
JPH0291288U (fr) * 1988-12-28 1990-07-19
JP2000073986A (ja) * 1998-08-28 2000-03-07 Jeol Ltd ターボ分子ポンプの振動抑制器
US6485254B1 (en) * 2000-10-19 2002-11-26 Applied Materials, Inc. Energy dissipating coupling
JP2002327698A (ja) * 2001-04-27 2002-11-15 Boc Edwards Technologies Ltd 真空ポンプ
JP2003148423A (ja) * 2001-11-08 2003-05-21 Ishikawajima Harima Heavy Ind Co Ltd フランジ結合構造
DE10208795A1 (de) * 2002-02-28 2003-09-04 Pfeiffer Vacuum Gmbh Maschine mit schnelldrehendem Rotor
JP2003336597A (ja) * 2002-03-12 2003-11-28 Boc Edwards Technologies Ltd ターボ分子ポンプ
JP4147042B2 (ja) * 2002-03-12 2008-09-10 エドワーズ株式会社 真空ポンプ
JP4051681B2 (ja) * 2003-07-25 2008-02-27 ミネベア株式会社 軸流ファンモータ
US20050029417A1 (en) * 2003-08-08 2005-02-10 Richard Scheps Mounting bracket for a rotary pump
DE10342907A1 (de) * 2003-09-17 2005-04-21 Pfeiffer Vacuum Gmbh Vakuumpumpe mit schnelldrehendem Rotor

Non-Patent Citations (1)

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Title
See references of WO2006120132A1 *

Also Published As

Publication number Publication date
CN101171428A (zh) 2008-04-30
WO2006120132A1 (fr) 2006-11-16
ATE453802T1 (de) 2010-01-15
TWI390112B (zh) 2013-03-21
EP1880111B1 (fr) 2009-12-30
CN100575711C (zh) 2009-12-30
US20090068011A1 (en) 2009-03-12
HK1109440A1 (en) 2008-06-06
JP2009500549A (ja) 2009-01-08
TW200643308A (en) 2006-12-16
DE102005020904A1 (de) 2006-11-09
DE502006005788D1 (de) 2010-02-11

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