SE0002007D0 - Sealing device for hydraulic cylinders - Google Patents

Sealing device for hydraulic cylinders

Info

Publication number
SE0002007D0
SE0002007D0 SE0002007A SE0002007A SE0002007D0 SE 0002007 D0 SE0002007 D0 SE 0002007D0 SE 0002007 A SE0002007 A SE 0002007A SE 0002007 A SE0002007 A SE 0002007A SE 0002007 D0 SE0002007 D0 SE 0002007D0
Authority
SE
Sweden
Prior art keywords
cylinder
ring
protective cover
shaped seal
sealing device
Prior art date
Application number
SE0002007A
Other languages
Swedish (sv)
Other versions
SE522532C2 (en
SE0002007L (en
Inventor
Goeran Eliasson
Original Assignee
Volvo Articulated Haulers Ab
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 Volvo Articulated Haulers Ab filed Critical Volvo Articulated Haulers Ab
Priority to SE0002007A priority Critical patent/SE522532C2/en
Publication of SE0002007D0 publication Critical patent/SE0002007D0/en
Priority to AU2001260934A priority patent/AU2001260934A1/en
Priority to PCT/SE2001/001161 priority patent/WO2001092766A1/en
Publication of SE0002007L publication Critical patent/SE0002007L/en
Publication of SE522532C2 publication Critical patent/SE522532C2/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)

Abstract

The invention relates to a sealing device to prevent dust and dirt from penetrating into lubricated surfaces and hydraulic oil seals of a hydraulic cylinder. The hydraulic cylinder includes a piston (11) and a cylinder (12) and a protective cover (20) that is rigidly connected with the piston rod of the piston (11). The invention is characterised in that the protective cover (20) is coaxially placed around the cylinder and is arranged to form a gap seal (21) around the mantle surface of the cylinder (12), and has an extension enabling it to essentially cover all of the cylinder (12) when the hydraulic cylinder is in its compressed condition. A ring-shaped seal (22) is placed on the cylinder (12) at the mantle surface between this and the protective cover (20), where the ring-shaped seal is brought along by the cylinder in its motion. The ring-shaped seal (22) is placed on the cylinder (12) in the vicinity of its opening for the piston rod, where the ring-shaped seal is covered by the protective cover (20) for the whole cylinder (12) stroke.
SE0002007A 2000-05-29 2000-05-29 Sealing device to prevent dust and dirt from entering greased surfaces and hydraulic oil seals of a hydraulic cylinder SE522532C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0002007A SE522532C2 (en) 2000-05-29 2000-05-29 Sealing device to prevent dust and dirt from entering greased surfaces and hydraulic oil seals of a hydraulic cylinder
AU2001260934A AU2001260934A1 (en) 2000-05-29 2001-05-23 Sealing device for hydraulic cylinders
PCT/SE2001/001161 WO2001092766A1 (en) 2000-05-29 2001-05-23 Sealing device for hydraulic cylinders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0002007A SE522532C2 (en) 2000-05-29 2000-05-29 Sealing device to prevent dust and dirt from entering greased surfaces and hydraulic oil seals of a hydraulic cylinder

Publications (3)

Publication Number Publication Date
SE0002007D0 true SE0002007D0 (en) 2000-05-29
SE0002007L SE0002007L (en) 2001-11-30
SE522532C2 SE522532C2 (en) 2004-02-17

Family

ID=20279886

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0002007A SE522532C2 (en) 2000-05-29 2000-05-29 Sealing device to prevent dust and dirt from entering greased surfaces and hydraulic oil seals of a hydraulic cylinder

Country Status (3)

Country Link
AU (1) AU2001260934A1 (en)
SE (1) SE522532C2 (en)
WO (1) WO2001092766A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107970A (en) * 1991-04-17 1992-04-28 Monroe Auto Equipment Company High pressure sealing system and method
DE9207582U1 (en) * 1992-06-04 1992-08-20 Festo KG, 7300 Esslingen Housing for a working cylinder
SE507291C2 (en) * 1993-11-25 1998-05-11 Nike Hydraulics Ab Fixture for work cylinder

Also Published As

Publication number Publication date
AU2001260934A1 (en) 2001-12-11
SE522532C2 (en) 2004-02-17
WO2001092766A1 (en) 2001-12-06
SE0002007L (en) 2001-11-30

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