EP2375074A2 - Rotor pour une pompe à vide - Google Patents

Rotor pour une pompe à vide Download PDF

Info

Publication number
EP2375074A2
EP2375074A2 EP11001295A EP11001295A EP2375074A2 EP 2375074 A2 EP2375074 A2 EP 2375074A2 EP 11001295 A EP11001295 A EP 11001295A EP 11001295 A EP11001295 A EP 11001295A EP 2375074 A2 EP2375074 A2 EP 2375074A2
Authority
EP
European Patent Office
Prior art keywords
rotor
vacuum pump
plate
piston
pump according
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
EP11001295A
Other languages
German (de)
English (en)
Other versions
EP2375074B1 (fr
EP2375074A3 (fr
Inventor
Sebastian Oberbeck
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
Application filed by Pfeiffer Vacuum GmbH filed Critical Pfeiffer Vacuum GmbH
Publication of EP2375074A2 publication Critical patent/EP2375074A2/fr
Publication of EP2375074A3 publication Critical patent/EP2375074A3/fr
Application granted granted Critical
Publication of EP2375074B1 publication Critical patent/EP2375074B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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
    • F04C2240/00—Components
    • F04C2240/20—Rotors
EP11001295.2A 2010-03-25 2011-02-17 Rotor pour une pompe à vide Active EP2375074B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010012759.0A DE102010012759B4 (de) 2010-03-25 2010-03-25 Rotor für eine Vakuumpumpe

Publications (3)

Publication Number Publication Date
EP2375074A2 true EP2375074A2 (fr) 2011-10-12
EP2375074A3 EP2375074A3 (fr) 2014-11-12
EP2375074B1 EP2375074B1 (fr) 2017-11-08

Family

ID=44508515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11001295.2A Active EP2375074B1 (fr) 2010-03-25 2011-02-17 Rotor pour une pompe à vide

Country Status (2)

Country Link
EP (1) EP2375074B1 (fr)
DE (1) DE102010012759B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2924293A3 (fr) * 2014-03-26 2015-11-11 Pfeiffer Vacuum GmbH Pompe à vide à piston de presse

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030702A1 (de) 1990-09-28 1992-04-02 Leybold Ag Verfahren zur herstellung eines drehkolbens fuer eine vakuumpumpe und nach diesem verfahren hergestellter drehkolben

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE696509C (de) 1937-08-12 1940-09-23 Daimler Benz Akt Ges Drehkolben fuer Rootsgeblaese
US2491678A (en) 1943-12-09 1949-12-20 Borg Warner Rotary blower with abrading casing end walls and abradable rotor end plates
DE810419C (de) 1949-01-01 1951-08-09 Otto Becker Drehkolbengeblaese
JPS6022091A (ja) 1983-07-16 1985-02-04 Nippon Piston Ring Co Ltd 回転式流体ポンプ用ロ−タ
DE3321718A1 (de) 1983-06-16 1984-12-20 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Waelzkolbenpumpe
US5895210A (en) 1996-02-21 1999-04-20 Ebara Corporation Turbo machine rotor made of sheet metal
KR100534532B1 (ko) 1998-02-13 2005-12-07 가부시키가이샤 에바라 세이사꾸쇼 진공펌프 로터 및 그 제작방법
KR20090014394A (ko) 2006-07-19 2009-02-10 가부시키가이샤 도요다 지도숏키 유체 기계

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030702A1 (de) 1990-09-28 1992-04-02 Leybold Ag Verfahren zur herstellung eines drehkolbens fuer eine vakuumpumpe und nach diesem verfahren hergestellter drehkolben

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2924293A3 (fr) * 2014-03-26 2015-11-11 Pfeiffer Vacuum GmbH Pompe à vide à piston de presse

Also Published As

Publication number Publication date
EP2375074B1 (fr) 2017-11-08
DE102010012759A1 (de) 2011-09-29
DE102010012759B4 (de) 2018-06-21
EP2375074A3 (fr) 2014-11-12

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