FR2474108A1 - Pompe a vide a piston - Google Patents

Pompe a vide a piston Download PDF

Info

Publication number
FR2474108A1
FR2474108A1 FR8101188A FR8101188A FR2474108A1 FR 2474108 A1 FR2474108 A1 FR 2474108A1 FR 8101188 A FR8101188 A FR 8101188A FR 8101188 A FR8101188 A FR 8101188A FR 2474108 A1 FR2474108 A1 FR 2474108A1
Authority
FR
France
Prior art keywords
ring
piston
stepped groove
pump according
around
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.)
Pending
Application number
FR8101188A
Other languages
English (en)
French (fr)
Inventor
Gunther Frohberg
Heinz Dohlen
Hubert Fassbender
Dietmar Bottger
Kurt Jeschke
Hans Rubin
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.)
Pierburg GmbH
Original Assignee
Pierburg 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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of FR2474108A1 publication Critical patent/FR2474108A1/fr
Pending legal-status Critical Current

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)
FR8101188A 1980-01-23 1981-01-20 Pompe a vide a piston Pending FR2474108A1 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2474108A1 true FR2474108A1 (fr) 1981-07-24

Family

ID=6092729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101188A Pending FR2474108A1 (fr) 1980-01-23 1981-01-20 Pompe a vide a piston

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318113A1 (de) * 1983-05-18 1984-11-22 Oskar Dr.-Ing. 8035 Gauting Schatz Kolbenverdichter

Families Citing this family (6)

* 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
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

Citations (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
GB1350008A (en) * 1970-11-20 1974-04-18 Fichtel & Sachs Ag Sealing arrangement
GB1357090A (en) * 1973-03-14 1974-06-19 Foerenade Fabriksverken Sealing devices for limiting fluid leakages along piston rods or other elongated cylindrical elements
US4023467A (en) * 1973-03-06 1977-05-17 Bayerisches Druckgusswerk Thurner Kg Piston compressor for gaseous fluids
FR2351284A1 (fr) * 1975-12-24 1977-12-09 Commw Scient Ind Res Org Machine a cylindre et piston a mouvement alternatif

Patent Citations (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
GB1350008A (en) * 1970-11-20 1974-04-18 Fichtel & Sachs Ag Sealing arrangement
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
FR2351284A1 (fr) * 1975-12-24 1977-12-09 Commw Scient Ind Res Org Machine a cylindre et piston a mouvement alternatif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318113A1 (de) * 1983-05-18 1984-11-22 Oskar Dr.-Ing. 8035 Gauting Schatz Kolbenverdichter

Also Published As

Publication number Publication date
ES254617Y (es) 1982-02-16
IT1170621B (it) 1987-06-03
IT8147558A0 (it) 1981-01-13
GB2067713A (en) 1981-07-30
ES254617U (es) 1981-09-01

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