FR2440500A1 - PISTON FOR CYLINDERS ACTUATED BY A PRESSURE FLUID - Google Patents

PISTON FOR CYLINDERS ACTUATED BY A PRESSURE FLUID

Info

Publication number
FR2440500A1
FR2440500A1 FR7926336A FR7926336A FR2440500A1 FR 2440500 A1 FR2440500 A1 FR 2440500A1 FR 7926336 A FR7926336 A FR 7926336A FR 7926336 A FR7926336 A FR 7926336A FR 2440500 A1 FR2440500 A1 FR 2440500A1
Authority
FR
France
Prior art keywords
piston
pressure fluid
cylinders actuated
cylinder
cylinders
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
FR7926336A
Other languages
French (fr)
Other versions
FR2440500B1 (en
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.)
Festo Maschinenfabrik Gottlieb Stoll Firma
Original Assignee
Festo Maschinenfabrik Gottlieb Stoll Firma
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 Festo Maschinenfabrik Gottlieb Stoll Firma filed Critical Festo Maschinenfabrik Gottlieb Stoll Firma
Publication of FR2440500A1 publication Critical patent/FR2440500A1/en
Application granted granted Critical
Publication of FR2440500B1 publication Critical patent/FR2440500B1/fr
Granted 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
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1433—End caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • F15B15/1452—Piston sealings

Abstract

CE PISTON DU TYPE DE CEUX QUI COMPRENNENT UN CORPS APTE A ETRE LIE A UNE TIGE DE PISTON ET DES MOYENS D'ETANCHEITE PORTES PAR CE CORPS, EST CARACTERISE EN CE QUE LE CORPS 28 EST FAIT D'UNE SEULE PIECE, EN UNE MATIERE PLASTIQUE AYANT UN FAIBLE COEFFICIENT DE FRICTION, ET EN CE QUE DES LEVRES D'ETANCHEITE PERIPHERIQUES 46, 48 SONT FORMEES AUX EXTREMITES AXIALES DE LA ZONE 44 DE SA FACE DE REVOLUTION EXTERNE, QUI, DE DIAMETRE LEGEREMENT INFERIEUR AU DIAMETRE INTERIEUR DU CYLINDRE 10 DU VERIN, SERT AU GUIDAGE DU PISTON DANS CE CYLINDRE.THIS PISTON OF THE TYPE OF THOSE WHICH INCLUDES A BODY CAPABLE OF BINDING TO A PISTON ROD AND OF THE SEALING MEANS CARRIED BY THIS BODY, IS CHARACTERIZED IN THAT BODY 28 IS MADE OF A SINGLE PIECE, IN A PLASTIC MATERIAL HAVING A LOW COEFFICIENT OF FRICTION, AND IN THAT PERIPHERAL SEALING LIPS 46, 48 ARE FORMED AT THE AXIAL END OF AREA 44 OF ITS FACE OF EXTERNAL REVOLUTION, WHICH, OF A DIAMETER SLIGHTLY LOWER THAN THE INNER DIAMETER OF THE CYLINDER 10 , IS USED TO GUIDE THE PISTON IN THIS CYLINDER.

FR7926336A 1978-10-31 1979-10-18 PISTON FOR CYLINDERS ACTUATED BY A PRESSURE FLUID Granted FR2440500A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2847274A DE2847274C2 (en) 1978-10-31 1978-10-31 Piston for a working cylinder

Publications (2)

Publication Number Publication Date
FR2440500A1 true FR2440500A1 (en) 1980-05-30
FR2440500B1 FR2440500B1 (en) 1984-06-29

Family

ID=6053536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926336A Granted FR2440500A1 (en) 1978-10-31 1979-10-18 PISTON FOR CYLINDERS ACTUATED BY A PRESSURE FLUID

Country Status (3)

Country Link
DE (1) DE2847274C2 (en)
FR (1) FR2440500A1 (en)
GB (1) GB2033537B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3136917A1 (en) * 1980-09-27 1982-05-19 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid "Fuel pump"
ATE25869T1 (en) * 1983-01-14 1987-03-15 Proma Prod & Marketing Gmbh PRESSURE MEDIA CYLINDER WITH A LONGITUDINALLY SLOTTED CYLINDER CLOSED AT THE END.
DE3524774A1 (en) * 1985-07-11 1987-01-22 Daimler Benz Ag Pressure-medium working cylinder, in particular filling cylinder for hydrodynamic brakes
FR2634256B1 (en) * 1988-07-13 1992-12-31 Automax IMPROVED CYLINDER
DE3826931A1 (en) * 1988-08-09 1990-02-22 Kaco Gmbh Co PISTON SEAL
US4944215A (en) * 1988-12-13 1990-07-31 Nimmo Frank D Fluid actuated cylinder assembly with a floating cylinder head
JPH02112380U (en) * 1989-02-27 1990-09-07
US5000077A (en) * 1989-07-10 1991-03-19 Helmut Habicht Enclosed adjustable servo-actuator
US5014603A (en) * 1989-11-02 1991-05-14 Allied-Signal Inc. Hydraulic actuator having frangible or deformable components
US5104101A (en) * 1990-04-25 1992-04-14 Miner Enterprises, Inc. Buffer cartridge
US5284084A (en) * 1991-01-17 1994-02-08 Utex Industries, Inc. Light weight piston
US5396831A (en) * 1993-07-28 1995-03-14 Ingersoll-Rand Company Hydraulic plunger replacement method and device
US5363744A (en) * 1993-12-07 1994-11-15 Federal-Mogul Corporation Accumulator piston having multiple elastomeric seals
DE19523217A1 (en) * 1995-06-27 1997-01-02 Schaeffler Waelzlager Kg Seals in a master cylinder
FI20040942A (en) * 2004-07-06 2006-01-07 Rocla Oyj Forklift Mast
DE202008002847U1 (en) * 2008-02-28 2009-04-02 Hirschmann Laborgeräte GmbH & Co. KG Piston for a piston / cylinder unit of a dosing device
DE102008045568A1 (en) 2008-09-03 2010-03-04 Krones Ag Device and piston for sorting articles
CN103244668A (en) * 2013-05-27 2013-08-14 陕西法士特齿轮有限责任公司 Piston
CN104074979A (en) * 2014-05-20 2014-10-01 苏州好特斯模具有限公司 Noise reduction cylinder
DE102017000857A1 (en) * 2017-01-31 2018-08-02 Liebherr-Components Kirchdorf GmbH A cylinder piston device
CN112879384B (en) * 2021-01-13 2023-05-30 一重集团大连工程技术有限公司 Ultra-high pressure oil cylinder for compensating sealing gap by annular groove structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527507A (en) * 1968-02-12 1970-09-08 Garlock Inc Unitary bearing element with improved,integral scraper-sealing lip
GB1349944A (en) * 1970-05-04 1974-04-10 Hepworth & Grandage Ltd Pistons

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1135279A (en) * 1955-05-12 1957-04-26 Improvements to sealing and guiding devices
DE1234378B (en) * 1956-05-09 1967-02-16 Charles Samuel White Process for the production of machine components that can be moved relative to one another
DE1729909U (en) * 1956-06-30 1956-09-13 Boris V Schlippe LIP SEAL PISTON.
FR1462580A (en) * 1965-05-28 1966-12-16 Teves Kg Alfred Piston for hydraulic braking systems and method of manufacturing such a piston
FR2203476A5 (en) * 1972-10-18 1974-05-10 Commissariat Energie Atomique
DE2609817C3 (en) * 1976-03-10 1980-10-23 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Pistons, especially for a pneumatic cylinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527507A (en) * 1968-02-12 1970-09-08 Garlock Inc Unitary bearing element with improved,integral scraper-sealing lip
GB1349944A (en) * 1970-05-04 1974-04-10 Hepworth & Grandage Ltd Pistons

Also Published As

Publication number Publication date
GB2033537A (en) 1980-05-21
FR2440500B1 (en) 1984-06-29
GB2033537B (en) 1983-03-02
DE2847274A1 (en) 1980-05-08
DE2847274C2 (en) 1983-01-27

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Legal Events

Date Code Title Description
TP Transmission of property