EP2196671A3 - Piston vacuum pump - Google Patents

Piston vacuum pump Download PDF

Info

Publication number
EP2196671A3
EP2196671A3 EP09014531.9A EP09014531A EP2196671A3 EP 2196671 A3 EP2196671 A3 EP 2196671A3 EP 09014531 A EP09014531 A EP 09014531A EP 2196671 A3 EP2196671 A3 EP 2196671A3
Authority
EP
European Patent Office
Prior art keywords
bushing
piston
vacuum pump
piston vacuum
reciprocating
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
EP09014531.9A
Other languages
German (de)
French (fr)
Other versions
EP2196671B1 (en
EP2196671A2 (en
Inventor
Stefan Kallenborn
Ronald Dr. Sachs
Heiko Schäfer
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 EP2196671A2 publication Critical patent/EP2196671A2/en
Publication of EP2196671A3 publication Critical patent/EP2196671A3/en
Application granted granted Critical
Publication of EP2196671B1 publication Critical patent/EP2196671B1/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/064—Cooling by a cooling jacket in the pump casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/126—Cylinder liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/143—Sealing provided on the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F04B53/166—Cylinder liners

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Abstract

Die Erfindung betrifft eine Kolbenvakuumpumpe mit einer Laufbuchse, einem in der Laufbuchse beweglich angeordneten Hubkolben, einer an dem Hubkolben angeordneten Dichtung zum Abdichten der Raumes zwischen Hubkolben und Laufbuchse und einem Antrieb, welcher eine periodische Bewegung des Hubkolbens bewirkt. Um den Verschleiß der Dichtung zu verringern wird erfindungsgemäß vorgeschlagen, dass ein Kühlungsmittel mit der Laufbuchse in Wärme übertragenden Kontakt steht.

Figure imgaf001
The invention relates to a piston vacuum pump with a bushing, a movably arranged in the bushing piston, arranged on the reciprocating seal for sealing the space between the reciprocating piston and bushing and a drive which causes a periodic movement of the reciprocating piston. In order to reduce the wear of the seal is proposed according to the invention that a coolant with the bushing is in heat transfer contact.
Figure imgaf001
EP09014531.9A 2008-12-11 2009-11-20 Piston vacuum pump Active EP2196671B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008061897A DE102008061897A1 (en) 2008-12-11 2008-12-11 Vacuum pump

Publications (3)

Publication Number Publication Date
EP2196671A2 EP2196671A2 (en) 2010-06-16
EP2196671A3 true EP2196671A3 (en) 2016-07-06
EP2196671B1 EP2196671B1 (en) 2018-01-24

Family

ID=41401624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09014531.9A Active EP2196671B1 (en) 2008-12-11 2009-11-20 Piston vacuum pump

Country Status (2)

Country Link
EP (1) EP2196671B1 (en)
DE (1) DE102008061897A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201473A1 (en) * 2014-01-28 2015-07-30 Neuman & Esser Gmbh & Co. Kg PISTON ROD FOR PISTON COMPRESSORS AND PISTON COMPRESSOR
EP3067560B1 (en) 2015-03-12 2020-11-18 Pfeiffer Vacuum GmbH Vacuum pump with at least one pump stage
DE102022106046A1 (en) * 2022-03-16 2023-09-21 Knf Neuberger Gmbh Pump with a pressure chamber and a cooling system
DE102022125508A1 (en) 2022-10-04 2024-04-04 Technische Universität Dresden, Körperschaft des öffentlichen Rechts Sealing system for a device for compressing a fluid and device for compressing a fluid with the sealing system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR332224A (en) * 1903-05-19 1903-10-19 Henry Bland Improvements in compressors
GB293605A (en) * 1927-09-28 1928-07-12 Sidney Zaleski Hall Improvements in air compressors and vacuum pumps
JPS5857092A (en) * 1981-10-01 1983-04-05 Honda Motor Co Ltd Air pump device
EP0994252A2 (en) * 1998-10-13 2000-04-19 Hans Unger Compressor for the production of oil free air
DE10109514C1 (en) * 2001-02-28 2002-07-11 Knorr Bremse Systeme Dry-running piston compressor, for rail vehicles, has lubricating nipples for external lubrication of the big end and/or gudgeon pin bearings to give long intervals between overhauls
EP1831568A1 (en) * 2004-12-20 2007-09-12 KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH Piston/cylinder assembly, particularly for a swash-plate compressor
DE102006012532A1 (en) * 2006-03-18 2007-09-20 Pfeiffer Vacuum Gmbh Sealing arrangement for a reciprocating vacuum pump
EP0977948B1 (en) * 1997-04-21 2008-01-02 Pfeiffer Vacuum GmbH Dry vacuum pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE577185C (en) * 1931-02-07 1933-05-30 Rudolf Pawlikowski Dipl Ing Cylinder type for internal combustion engines
DE1190959B (en) * 1961-02-17 1965-04-15 Linde Eismasch Ag Refrigerant piston compressor with cooled cylinder wall

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR332224A (en) * 1903-05-19 1903-10-19 Henry Bland Improvements in compressors
GB293605A (en) * 1927-09-28 1928-07-12 Sidney Zaleski Hall Improvements in air compressors and vacuum pumps
JPS5857092A (en) * 1981-10-01 1983-04-05 Honda Motor Co Ltd Air pump device
EP0977948B1 (en) * 1997-04-21 2008-01-02 Pfeiffer Vacuum GmbH Dry vacuum pump
EP0994252A2 (en) * 1998-10-13 2000-04-19 Hans Unger Compressor for the production of oil free air
DE10109514C1 (en) * 2001-02-28 2002-07-11 Knorr Bremse Systeme Dry-running piston compressor, for rail vehicles, has lubricating nipples for external lubrication of the big end and/or gudgeon pin bearings to give long intervals between overhauls
EP1831568A1 (en) * 2004-12-20 2007-09-12 KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH Piston/cylinder assembly, particularly for a swash-plate compressor
DE102006012532A1 (en) * 2006-03-18 2007-09-20 Pfeiffer Vacuum Gmbh Sealing arrangement for a reciprocating vacuum pump

Also Published As

Publication number Publication date
EP2196671B1 (en) 2018-01-24
EP2196671A2 (en) 2010-06-16
DE102008061897A1 (en) 2010-06-17

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