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FR2418400A1 - Perfectionnement a des joints flexibles - Google Patents

Perfectionnement a des joints flexibles

Info

Publication number
FR2418400A1
FR2418400A1 FR7904702A FR7904702A FR2418400A1 FR 2418400 A1 FR2418400 A1 FR 2418400A1 FR 7904702 A FR7904702 A FR 7904702A FR 7904702 A FR7904702 A FR 7904702A FR 2418400 A1 FR2418400 A1 FR 2418400A1
Authority
FR
France
Prior art keywords
improvement
flexible joints
outer edges
edges
configuration
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
FR7904702A
Other languages
English (en)
Other versions
FR2418400B3 (fr
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.)
Fluid Transfer Ltd
Original Assignee
Fluid Transfer Ltd
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 Fluid Transfer Ltd filed Critical Fluid Transfer Ltd
Publication of FR2418400A1 publication Critical patent/FR2418400A1/fr
Application granted granted Critical
Publication of FR2418400B3 publication Critical patent/FR2418400B3/fr
Granted legal-status Critical Current

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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0018—Special features the periphery of the flexible member being not fixed to the pump-casing, but acting as a valve
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
    • 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
    • F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
    • F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
    • 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
    • F16J3/00—Diaphragms; Bellows; Bellows pistons
    • F16J3/02—Diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Joints Allowing Movement (AREA)

Abstract

L'invention concerne un joint flexible à appliquer entre des organes dont un a un mouvement réciproque par rapport à l'autre, et il comprend un élément annulaire formé en un matériau élastique qui est stable par rapport à sa configuration préétablie. Selon l'invention, l'élément 1 des bords interne et externe 6 et 4 qui sont relativement plus épais qu'une âme intermédiaire 8 int gralement connectée, qui s'étend entre les bords, et dans la configuration préétablie, les bords interne et externe sont axialement décalés l'un par rapport à l'autre. L'invention s'applique notamment aux pompes.
FR7904702A 1978-02-24 1979-02-23 Perfectionnement a des joints flexibles Granted FR2418400A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB756978 1978-02-24
GB7904252A GB2013287B (en) 1978-02-24 1979-02-07 Seals

Publications (2)

Publication Number Publication Date
FR2418400A1 true FR2418400A1 (fr) 1979-09-21
FR2418400B3 FR2418400B3 (fr) 1981-12-11

Family

ID=26241521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904702A Granted FR2418400A1 (fr) 1978-02-24 1979-02-23 Perfectionnement a des joints flexibles

Country Status (4)

Country Link
DE (1) DE2906855A1 (fr)
FR (1) FR2418400A1 (fr)
GB (1) GB2013287B (fr)
IT (1) IT1111834B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023658C2 (de) * 1980-06-25 1983-12-22 Busatis-Werke GmbH u. Co KG, 5630 Remscheid Dichtring für Schwenklagerungen und Verfahren zu dessen Herstellung
GB2329430B (en) 1997-09-17 2001-06-27 Alfa Laval Pumps Ltd Double disc pump
US7559753B2 (en) 2004-09-27 2009-07-14 Penn Valley Pump Company, Inc. Double disc pump with fixed housing block
ES2898956T3 (es) * 2017-05-08 2022-03-09 Electrolux Appliances AB Junta de estanqueidad y placa de cocción de gas que comprende una junta
US12078155B2 (en) 2022-09-06 2024-09-03 Wastecorp Pumps Inc. Induced flow double disc pump assembly having rotating element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879496C (de) * 1943-05-15 1953-06-15 Auto Union A G Abdichtung fuer begrenzt schwingende Maschinenteile
US2407792A (en) * 1945-02-05 1946-09-17 James O Mcmillan Diaphragm pump
GB867775A (en) * 1960-03-02 1961-05-10 Pulsator Ab Improvements in or relating to electrically-driven membrane-type pumps
GB1111153A (en) * 1963-09-12 1968-04-24 Selwood Ltd William R Improvements relating to reciprocating pumps for fluids
BE758665A (fr) * 1969-03-07 1971-04-16 Demag Drucklufttech Joint etanche pour la fente annulaire d'un appareil a outil de percussion
GB1549849A (en) * 1975-04-15 1979-08-08 Selwood Ltd W Pumps

Also Published As

Publication number Publication date
IT7920509A0 (it) 1979-02-23
DE2906855A1 (de) 1979-08-30
GB2013287A (en) 1979-08-08
GB2013287B (en) 1982-12-15
IT1111834B (it) 1986-01-13
FR2418400B3 (fr) 1981-12-11

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Legal Events

Date Code Title Description
TP Transmission of property