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FR2439342A1 - Dispositif d'etancheite pour organes de machine a mouvement de va-et-vient - Google Patents

Dispositif d'etancheite pour organes de machine a mouvement de va-et-vient

Info

Publication number
FR2439342A1
FR2439342A1 FR7925885A FR7925885A FR2439342A1 FR 2439342 A1 FR2439342 A1 FR 2439342A1 FR 7925885 A FR7925885 A FR 7925885A FR 7925885 A FR7925885 A FR 7925885A FR 2439342 A1 FR2439342 A1 FR 2439342A1
Authority
FR
France
Prior art keywords
oil chamber
sealing device
hydraulic cylinder
motion
members
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
FR7925885A
Other languages
English (en)
Other versions
FR2439342B1 (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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel 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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Publication of FR2439342A1 publication Critical patent/FR2439342A1/fr
Application granted granted Critical
Publication of FR2439342B1 publication Critical patent/FR2439342B1/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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
    • 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
    • F16J15/166—Sealings between relatively-moving surfaces with means to prevent the extrusion of the packing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/926—Seal including fluid pressure equalizing or balancing feature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Devices (AREA)
  • Actuator (AREA)

Abstract

DISPOSITIF D'ETANCHEITE POUR ELEMENTS DE MACHINES A MOUVEMENT DE VA-ET-VIENT SURTOUT POUR TIGES DE CYLINDRES HYDRAULIQUES. LE DISPOSITIF COMPREND EN OUTRE UN JOINT A LEVRE, UN ELEMENT DE PROTECTION MONTE DEVANT ET UN RACLEUR DE SALISSURE MONTE DERRIERE LEDIT JOINT. L'ELEMENT PROTECTEUR EST MUNI D'UNE LEVRE 20 QUI EST ORIENTEE VERS LA CHAMBRE A HUILE SOUS PRESSION 5 ET QUI EST AU CONTACT DE LA TIGE DE PISTON 3 A MOUVEMENT DE VA-ET-VIENT ET PRESENTE DES PERCAGES 21, 32 QUI CONSTITUENT UNE COMMUNICATION ENTRE LA CHAMBRE A HUILE SOUS PRESSION 5 ET LA CHAMBRE A HUILE 22 FORMEE ENTRE L'ELEMENT DE PROTECTION 17 MONTE DEVANT LE JOINT A LEVRE 7 ET CE JOINT. APPLICATION POUR ASSURER L'ETANCHEITE D'ORGANES DE MACHINE A MOUVEMENT DE VA-ET-VIENT SURTOUT POUR TIGES DE CYLINDRES HYDRAULIQUES.
FR7925885A 1978-10-21 1979-10-18 Dispositif d'etancheite pour organes de machine a mouvement de va-et-vient Granted FR2439342A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2845920A DE2845920B1 (de) 1978-10-21 1978-10-21 Dichtung fuer hin- und hergehende Maschinenelemente

Publications (2)

Publication Number Publication Date
FR2439342A1 true FR2439342A1 (fr) 1980-05-16
FR2439342B1 FR2439342B1 (fr) 1984-07-06

Family

ID=6052787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925885A Granted FR2439342A1 (fr) 1978-10-21 1979-10-18 Dispositif d'etancheite pour organes de machine a mouvement de va-et-vient

Country Status (12)

Country Link
US (1) US4284280A (fr)
JP (1) JPS5557758A (fr)
BE (1) BE879513A (fr)
CA (1) CA1156281A (fr)
DE (1) DE2845920B1 (fr)
FR (1) FR2439342A1 (fr)
GB (1) GB2037904B (fr)
IN (1) IN155294B (fr)
IT (1) IT1164021B (fr)
PL (1) PL122669B1 (fr)
RO (1) RO76429A2 (fr)
SE (1) SE438192B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2907087C3 (de) 1979-02-23 1981-10-15 Held, Kurt, 7218 Trossingen Gleitflächendichtung an einer kontinuierlichen Laminiermaschine
DE2953078C2 (de) * 1979-02-23 1983-02-03 Kurt 7218 Trossingen Held Gleitflächendichtung an einer Laminiermaschine
US4344631A (en) * 1980-11-18 1982-08-17 Mechanical Technology Incorporated Pressure insensitive lip seal
DE3210811C2 (de) * 1982-03-24 1984-01-26 O & K Orenstein & Koppel Ag, 1000 Berlin Schutzring mit Durchtrittsöffnungen für ein hydraulisches Dichtungssystem
US4685183A (en) * 1984-07-27 1987-08-11 Beloit Corporation Controlled deflection roll
DE3533797A1 (de) * 1985-09-21 1987-04-02 Walter Hunger Dichtungsvorrichtung
JPH0535249Y2 (fr) * 1988-03-31 1993-09-07
US4921258A (en) * 1988-08-08 1990-05-01 Aeroquip Corporation Adapter seal
US5312116A (en) * 1991-06-21 1994-05-17 Lawrence D. Quaglia Self-adjusting O-ring seal product to retain internal bearing lubricants and pneumatic pressures
DE4121950A1 (de) * 1991-07-03 1993-01-14 Busak & Luyken Gmbh & Co Dichtring
US5169160A (en) * 1991-11-27 1992-12-08 Parker Hannifin Corporation Lubricating seal for pneumatic cylinder
DE9315690U1 (de) * 1993-10-14 1994-02-17 Ströter Antriebstechnik GmbH, 40549 Düsseldorf Wellenverbindung
DE19745662A1 (de) * 1997-10-17 1999-04-22 Bitzer Kuehlmaschinenbau Gmbh Kompressor
US6113108A (en) * 1998-03-11 2000-09-05 Caterpillar Inc. Buffer seal
EP1074769A4 (fr) * 1999-02-18 2002-05-02 Kayaba Industry Co Ltd Structure d'etancheite
US6595524B1 (en) * 2000-09-25 2003-07-22 Macrotech Polyseal, Inc. Pressure regulating buffer seal
DE10117662C1 (de) * 2001-04-09 2003-01-16 Freudenberg Carl Kg Stangen- oder Kolbenprimärdichtung
US6896269B2 (en) * 2001-11-20 2005-05-24 Caterpillar Inc Reverse pressure actuated seal
US6609716B2 (en) * 2001-12-26 2003-08-26 Caterpillar Inc Wiper seal
JP4537033B2 (ja) * 2003-10-16 2010-09-01 株式会社カワサキプレシジョンマシナリ ガス用シール構造
US20060145426A1 (en) * 2004-12-30 2006-07-06 Schroeder Gary W Rotary seal
DE102005035893B3 (de) * 2005-07-30 2007-02-15 Busak + Shamban Deutschland Gmbh Hochdruckdichtungsanordnung mit Pufferzone
WO2007066630A1 (fr) * 2005-12-06 2007-06-14 Nok Corporation Dispositif d'etancheite de tige
DE102006009491A1 (de) * 2006-02-27 2007-09-06 Busak + Shamban Deutschland Gmbh Dichtungssystem mit Druckentlastungselementen und Verwendung eines Dichtungssystems zur Einstellung einer Zwischenraumdruckkaskade
GB201021266D0 (en) * 2010-12-14 2011-01-26 Crane John Uk Ltd Seals
JP5760265B2 (ja) * 2011-05-25 2015-08-05 株式会社アドヴィックス 環状シール部材
ES2567293T3 (es) * 2011-08-22 2016-04-21 Victaulic Company Junta de expansión
ITVR20110171A1 (it) * 2011-08-22 2013-02-23 Alberto Bordignon Molla a fluido
JP5957638B2 (ja) * 2013-02-22 2016-07-27 株式会社アドヴィックス 回転式ポンプ装置
NO336338B1 (no) * 2013-06-04 2015-08-03 Seal Eng Trykkavlastet avskraper
WO2015135541A1 (fr) 2014-03-14 2015-09-17 Schaeffler Technologies AG & Co. KG Joint d'étanchéité pour ensembles piston-cylindre hydrauliques
EP3045784A1 (fr) * 2015-01-16 2016-07-20 Trelleborg Sealing Solutions Germany GmbH Système d'étanchéité doté d'élément de décharge de pression et utilisation d'un système d'étanchéité destiné à l'établissement d'une cascade en pression d'espace intermédiaire
FR3110659B1 (fr) * 2020-05-25 2022-08-12 Poclain Hydraulics Ind Dispositif d’étanchéité amélioré pour machine hydraulique.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125110A (fr) * 1956-05-07 1956-10-24 Renault Garniture d'étanchéité
DE1923954A1 (de) * 1969-05-10 1970-11-19 Elmer Dipl Ing Adam Schmutzabstreifring fuer Zylinderinnenflaechen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214182A (en) * 1962-02-27 1965-10-26 Henry J Herbruggen Packing ring
US3642290A (en) * 1970-02-05 1972-02-15 Parker Hannifin Corp Composite rod wiper
US3659306A (en) * 1970-06-22 1972-05-02 Us Navy Wiper for machined surfaces
US3738665A (en) * 1972-01-03 1973-06-12 Raymond Corp Hydraulic seals
US3955859A (en) * 1975-03-25 1976-05-11 The Torrington Company Bearing with multiple lip seal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125110A (fr) * 1956-05-07 1956-10-24 Renault Garniture d'étanchéité
DE1923954A1 (de) * 1969-05-10 1970-11-19 Elmer Dipl Ing Adam Schmutzabstreifring fuer Zylinderinnenflaechen

Also Published As

Publication number Publication date
FR2439342B1 (fr) 1984-07-06
IT1164021B (it) 1987-04-08
PL219080A1 (fr) 1980-06-02
JPS6229662B2 (fr) 1987-06-27
CA1156281A (fr) 1983-11-01
SE438192B (sv) 1985-04-01
SE7908666L (sv) 1980-04-22
GB2037904B (en) 1982-12-15
IT7950253A0 (it) 1979-09-13
DE2845920B1 (de) 1980-03-06
RO76429A2 (fr) 1981-03-30
BE879513A (fr) 1980-02-15
US4284280A (en) 1981-08-18
JPS5557758A (en) 1980-04-28
IN155294B (fr) 1985-01-19
PL122669B1 (en) 1982-08-31
GB2037904A (en) 1980-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse