EP2431568A3 - Mounting means for a vacuum pump - Google Patents

Mounting means for a vacuum pump Download PDF

Info

Publication number
EP2431568A3
EP2431568A3 EP11007001.8A EP11007001A EP2431568A3 EP 2431568 A3 EP2431568 A3 EP 2431568A3 EP 11007001 A EP11007001 A EP 11007001A EP 2431568 A3 EP2431568 A3 EP 2431568A3
Authority
EP
European Patent Office
Prior art keywords
space
shaft
plane
gravity
lubricant
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
EP11007001.8A
Other languages
German (de)
French (fr)
Other versions
EP2431568B1 (en
EP2431568A2 (en
Inventor
Gerd Baitinger
Johannes Kümmel
Peter Huber
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 EP2431568A2 publication Critical patent/EP2431568A2/en
Publication of EP2431568A3 publication Critical patent/EP2431568A3/en
Application granted granted Critical
Publication of EP2431568B1 publication Critical patent/EP2431568B1/en
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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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
    • F01C21/007—General arrangements of parts; Frames and supporting elements
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/026—Lubricant separation
    • 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
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

Vakuumpumpe (1) mit einem Montagemittel (6), welches eine der Schwerkraftrichtung entsprechenden Senkrechte (100; 200) festlegt, welche die Flächennormale einer Montageebene bildet, einer Welle (30; 28; 230; 330; 328) mit einer Wellenachse (112; 212), einem Raum (20, 22; 220), welcher zur Aufnahme einer Schmiermittelfüllmenge (72; 74) dient, einer auf der Welle angeordneten Schleuderstruktur (60, 70; 260) zur Verteilung von Schmiermittel im Raum, einem Ölrücklauf (54; 254; 354; 356), welcher den Rücklauf von Schmiermittel in den Raum erlaubt und eine in diesen geöffneten Auslauf (58; 258; 258'; 358) aufweist, wobei eine in Bezug zur Schwerkraftrichtung unterhalb der Welle angeordnete Auslaufebene (108; 208) den Auslauf beinhaltet und parallel zur Montageebene ist, eine Schnittpunktebene (106; 206) den in Bezug zur Schwerkraftrichtung tiefsten im Betrieb der Schleuderstruktur erreichten Punkt (104) beinhaltet und parallel zur Montageebene ist und der Abstand (110; 210) zwischen Auslaufebene und Schnittpunktebene groß ist.

Figure imgaf001
A vacuum pump (1) having a mounting means (6) defining a vertical direction of gravity (100; 200) which constitutes the surface normal of a mounting plane, a shaft (30; 28; 230; 330; 328) having a shaft axis (112; 212), a space (20,22; 220) serving to receive a lubricant charge (72; 74), a centrifugal structure (60,70; 260) disposed on the shaft for distributing lubricant in the space, an oil return (54; 254; 354; 356), which permits the return of lubricant into the space and has an outlet (58; 258; 258 '; 358) opened in the space, wherein an outlet plane (108; 208) arranged in relation to the direction of gravity below the shaft. includes the exit and parallel to the mounting plane, an intersection plane (106; 206) includes the lowest point (104) reached in the operation of the spin structure with respect to the direction of gravity and parallel to the mounting plane and the distance (110; 210) between Au slaufebene and intersection level is large.
Figure imgaf001
EP11007001.8A 2010-09-17 2011-08-27 Vacuum pump with a structure for lubricant centrifugation Active EP2431568B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010045880A DE102010045880A1 (en) 2010-09-17 2010-09-17 vacuum pump

Publications (3)

Publication Number Publication Date
EP2431568A2 EP2431568A2 (en) 2012-03-21
EP2431568A3 true EP2431568A3 (en) 2016-04-06
EP2431568B1 EP2431568B1 (en) 2019-11-13

Family

ID=44674067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11007001.8A Active EP2431568B1 (en) 2010-09-17 2011-08-27 Vacuum pump with a structure for lubricant centrifugation

Country Status (2)

Country Link
EP (1) EP2431568B1 (en)
DE (1) DE102010045880A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101113A1 (en) 2014-01-30 2015-07-30 Pfeiffer Vacuum Gmbh vacuum pump
DE102014107709A1 (en) 2014-06-02 2015-12-03 Pfeiffer Vacuum Gmbh vacuum pump
DE102014109383B4 (en) * 2014-07-04 2022-03-24 Pfeiffer Vacuum Gmbh vacuum pump
DE202014010177U1 (en) * 2014-12-23 2016-03-29 Oerlikon Leybold Vacuum Gmbh vacuum pump
GB201707458D0 (en) * 2017-05-10 2017-06-21 Edwards Ltd Lubrication of gears in twin-shaft pumps

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939717A1 (en) * 1969-08-05 1971-02-18 Leybold Heraeus Gmbh & Co Kg Roots pump
EP0224740A1 (en) * 1985-11-18 1987-06-10 Leybold-Heraeus GmbH Lubricant slinger disc
WO2008142437A1 (en) * 2007-05-18 2008-11-27 Edwards Limited Vacuum pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE825359C (en) * 1950-05-28 1952-03-06 Getrag Getriebe Zahnrad Lubricating device for transmissions of motor vehicles
DE3774711D1 (en) * 1987-10-31 1992-01-02 Leybold Ag TWO-SHAFT VACUUM PUMP WITH AT LEAST ONE CONNECTION LINE BETWEEN THE BEARING CHAMBERS.
JP4403670B2 (en) * 2001-05-16 2010-01-27 株式会社デンソー compressor
DE10134054A1 (en) * 2001-07-13 2003-01-23 Zahnradfabrik Friedrichshafen Vehicle gear comprises a drive shaft, a driven shaft, a counter shaft arranged parallel to the driven and drive shafts, and a toothed wheel arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939717A1 (en) * 1969-08-05 1971-02-18 Leybold Heraeus Gmbh & Co Kg Roots pump
EP0224740A1 (en) * 1985-11-18 1987-06-10 Leybold-Heraeus GmbH Lubricant slinger disc
WO2008142437A1 (en) * 2007-05-18 2008-11-27 Edwards Limited Vacuum pump

Also Published As

Publication number Publication date
EP2431568B1 (en) 2019-11-13
EP2431568A2 (en) 2012-03-21
DE102010045880A1 (en) 2012-03-22

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