IT1170621B - Perfezionamento nelle pompe da vuoto a pistoni - Google Patents

Perfezionamento nelle pompe da vuoto a pistoni

Info

Publication number
IT1170621B
IT1170621B IT47558/81A IT4755881A IT1170621B IT 1170621 B IT1170621 B IT 1170621B IT 47558/81 A IT47558/81 A IT 47558/81A IT 4755881 A IT4755881 A IT 4755881A IT 1170621 B IT1170621 B IT 1170621B
Authority
IT
Italy
Prior art keywords
improvement
vacuum pumps
piston vacuum
piston
pumps
Prior art date
Application number
IT47558/81A
Other languages
English (en)
Other versions
IT8147558A0 (it
Inventor
Guenther Frohberg
Heinz Dohlen
Hubert Fassbender
Dietmar Bottger
Kurt Jeschke
Hans Rubin
Original Assignee
Pierburg Gmbh & Co Kg
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 Pierburg Gmbh & Co Kg filed Critical Pierburg Gmbh & Co Kg
Publication of IT8147558A0 publication Critical patent/IT8147558A0/it
Application granted granted Critical
Publication of IT1170621B publication Critical patent/IT1170621B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • 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
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
IT47558/81A 1980-01-23 1981-01-13 Perfezionamento nelle pompe da vuoto a pistoni IT1170621B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3002281 1980-01-23

Publications (2)

Publication Number Publication Date
IT8147558A0 IT8147558A0 (it) 1981-01-13
IT1170621B true IT1170621B (it) 1987-06-03

Family

ID=6092729

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47558/81A IT1170621B (it) 1980-01-23 1981-01-13 Perfezionamento nelle pompe da vuoto a pistoni

Country Status (4)

Country Link
ES (1) ES254617Y (it)
FR (1) FR2474108A1 (it)
GB (1) GB2067713A (it)
IT (1) IT1170621B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2536797B1 (fr) * 1982-11-25 1987-08-21 Rivapompe Sa Pompe a cylindre et a piston utilisable comme pompe a vide pour asservissement des freins d'un vehicule
DE3318113A1 (de) * 1983-05-18 1984-11-22 Oskar Dr.-Ing. 8035 Gauting Schatz Kolbenverdichter
DE3320515C1 (de) * 1983-06-07 1988-12-01 Christensen, Inc., 84115 Salt Lake City, Utah Hochdruckdichtung fuer laengsverschieblich gegeneinander bewegbare Teile von Tiefbohrwerkzeugen
US4744571A (en) * 1986-07-08 1988-05-17 Geberth John Daniel Jun Self-compensating seal with biased sealing wipers
GB8813784D0 (en) * 1988-06-10 1988-07-13 Dowty Seals Ltd Seals
GB9817767D0 (en) * 1998-08-15 1998-10-14 T & N Technology Ltd Disc brake
CN102927006A (zh) * 2012-07-18 2013-02-13 上海旭岛汽车零部件有限公司 摇摆活塞式电动真空泵

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB781125A (en) * 1954-07-30 1957-08-14 Goetzewerke Piston sealing device
GB1100053A (en) * 1965-06-01 1968-01-24 Dowty Seals Ltd Sealing devices
DE2057027C3 (de) * 1970-11-20 1974-04-25 Fichtel & Sachs Ag, 8720 Schweinfurt Hydraulisch beaufschlagte Dichtung
US4023467A (en) * 1973-03-06 1977-05-17 Bayerisches Druckgusswerk Thurner Kg Piston compressor for gaseous fluids
GB1357090A (en) * 1973-03-14 1974-06-19 Foerenade Fabriksverken Sealing devices for limiting fluid leakages along piston rods or other elongated cylindrical elements
US4102608A (en) * 1975-12-24 1978-07-25 Commonwealth Scientific And Industrial Research Organization Reciprocatory piston and cylinder machines

Also Published As

Publication number Publication date
ES254617Y (es) 1982-02-16
IT8147558A0 (it) 1981-01-13
GB2067713A (en) 1981-07-30
ES254617U (es) 1981-09-01
FR2474108A1 (fr) 1981-07-24

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