EP2924293A3 - Wälzkolbenvakuumpumpe - Google Patents

Wälzkolbenvakuumpumpe Download PDF

Info

Publication number
EP2924293A3
EP2924293A3 EP15152271.1A EP15152271A EP2924293A3 EP 2924293 A3 EP2924293 A3 EP 2924293A3 EP 15152271 A EP15152271 A EP 15152271A EP 2924293 A3 EP2924293 A3 EP 2924293A3
Authority
EP
European Patent Office
Prior art keywords
vacuum pump
roller piston
piston vacuum
screw
housing parts
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
EP15152271.1A
Other languages
English (en)
French (fr)
Other versions
EP2924293B1 (de
EP2924293A2 (de
Inventor
Peter Huber
Kevin Schneider
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.)
Pfeiffer Vacuum GmbH
Original Assignee
Pfeiffer 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=52391853&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2924293(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfeiffer Vacuum GmbH filed Critical Pfeiffer Vacuum GmbH
Publication of EP2924293A2 publication Critical patent/EP2924293A2/de
Publication of EP2924293A3 publication Critical patent/EP2924293A3/de
Application granted granted Critical
Publication of EP2924293B1 publication Critical patent/EP2924293B1/de
Active 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/805—Fastening means, e.g. bolts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

Die Erfindung betrifft eine Wälzkolbenvakuumpumpe mit einem Gehäuse mit wenigstens zwei Gehäuseteilen, bei der die Gehäuseteile mittels einer Mehrzahl von Schrauben lösbar fest miteinander verbunden sind, bei der wenigstens eine Schraube als Schraube mit einer Festigkeitsklasse von 8.8 oder höher ausgebildet ist. (Fig. 1).
EP15152271.1A 2014-03-26 2015-01-23 Wälzkolbenvakuumpumpe Active EP2924293B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014104161.5A DE102014104161B4 (de) 2014-03-26 2014-03-26 Wälzkolbenvakuumpumpe

Publications (3)

Publication Number Publication Date
EP2924293A2 EP2924293A2 (de) 2015-09-30
EP2924293A3 true EP2924293A3 (de) 2015-11-11
EP2924293B1 EP2924293B1 (de) 2019-04-17

Family

ID=52391853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15152271.1A Active EP2924293B1 (de) 2014-03-26 2015-01-23 Wälzkolbenvakuumpumpe

Country Status (2)

Country Link
EP (1) EP2924293B1 (de)
DE (1) DE102014104161B4 (de)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE541946C (de) * 1931-04-26 1932-01-16 Argus Motoren Ges M B H Verbindung zwischen Laeufer und Welle bei Roots-Geblaesen
DE19812222A1 (de) * 1997-03-21 1998-09-24 Tochigi Fuji Sangyo Kk Doppelwellen-Strömungsmaschine
US6138646A (en) * 1997-07-18 2000-10-31 Hansen; Craig N. Rotary fluid mover
WO2005105325A1 (en) * 2004-04-23 2005-11-10 Thomas Industries, Inc. Coated pump assembly
US20080044275A1 (en) * 2006-08-04 2008-02-21 Kabushiki Kaisha Toyota Jidoshokki Pump
WO2008044064A2 (en) * 2006-10-11 2008-04-17 Edwards Limited Vacuum pump
EP2375074A2 (de) * 2010-03-25 2011-10-12 Pfeiffer Vacuum GmbH Rotor für eine Vakuumpumpe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB522473A (en) 1938-10-12 1940-06-19 Frank Christian Fulcher Ported end sealing plates for rotary pumps
DE7731431U1 (de) * 1977-10-11 1978-09-21 Aerzener Maschinenfabrik Gmbh, 3251 Aerzen Anlaufsicherung fuer sich relativ zueinander bewegende maschinenteile
JP3426734B2 (ja) * 1994-10-17 2003-07-14 三菱重工業株式会社 ターボ分子ポンプ
US6485254B1 (en) * 2000-10-19 2002-11-26 Applied Materials, Inc. Energy dissipating coupling
JP4126212B2 (ja) * 2001-11-19 2008-07-30 エドワーズ株式会社 真空ポンプ
DE10342907A1 (de) * 2003-09-17 2005-04-21 Pfeiffer Vacuum Gmbh Vakuumpumpe mit schnelldrehendem Rotor
JP2006063969A (ja) * 2004-07-30 2006-03-09 Shimadzu Corp 回転式真空ポンプ、真空装置およびポンプ接続構造
RS51355B (sr) * 2008-04-01 2011-02-28 Zivoslav Milovanovic Uređaj sa rotacionim klipovima koji se može koristiti kao kompresor, pumpa, vakuum pumpa, turbina, motor i kao druge pogonske i gonjene hidraulične-pneumatske mašine
DE102008035972A1 (de) * 2008-07-31 2010-02-04 Pfeiffer Vacuum Gmbh Vakuumpumpanordnung
DE102008060540A1 (de) * 2008-12-04 2010-06-10 Pfeiffer Vacuum Gmbh Wälzkolbenvakuumpumpe
WO2012114862A1 (ja) * 2011-02-22 2012-08-30 株式会社島津製作所 ターボ分子ポンプのボルト締結構造およびターボ分子ポンプ
EP2532895B1 (de) 2011-06-06 2014-02-26 Vacuubrand Gmbh + Co Kg Vakuumpumpe mit einseitiger Lagerung der Pumpenrotoren

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE541946C (de) * 1931-04-26 1932-01-16 Argus Motoren Ges M B H Verbindung zwischen Laeufer und Welle bei Roots-Geblaesen
DE19812222A1 (de) * 1997-03-21 1998-09-24 Tochigi Fuji Sangyo Kk Doppelwellen-Strömungsmaschine
US6138646A (en) * 1997-07-18 2000-10-31 Hansen; Craig N. Rotary fluid mover
WO2005105325A1 (en) * 2004-04-23 2005-11-10 Thomas Industries, Inc. Coated pump assembly
US20080044275A1 (en) * 2006-08-04 2008-02-21 Kabushiki Kaisha Toyota Jidoshokki Pump
WO2008044064A2 (en) * 2006-10-11 2008-04-17 Edwards Limited Vacuum pump
EP2375074A2 (de) * 2010-03-25 2011-10-12 Pfeiffer Vacuum GmbH Rotor für eine Vakuumpumpe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Taschenbuch des Maschinenbaus - Dubbel", vol. 20, part G 2001, SPRINGER-VERLAG, ISBN: 3-540-67777-1, article B. MERTENS: "Schraubenverbindungen - Schrauben- und Mutterwerkstoffe", pages: G41 - G41, XP002744312 *

Also Published As

Publication number Publication date
DE102014104161A1 (de) 2015-10-01
EP2924293B1 (de) 2019-04-17
DE102014104161B4 (de) 2025-09-18
EP2924293A2 (de) 2015-09-30

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