FI122020B - Venttiilikomponentti teräketjun kireyden säätämistä varten - Google Patents

Venttiilikomponentti teräketjun kireyden säätämistä varten Download PDF

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Publication number
FI122020B
FI122020B FI991664A FI19991664A FI122020B FI 122020 B FI122020 B FI 122020B FI 991664 A FI991664 A FI 991664A FI 19991664 A FI19991664 A FI 19991664A FI 122020 B FI122020 B FI 122020B
Authority
FI
Finland
Prior art keywords
piston
space
valve means
valve
clamping
Prior art date
Application number
FI991664A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI19991664A (fi
Inventor
Tomas Lindehall
Original Assignee
Partek Forest 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 Partek Forest Ab filed Critical Partek Forest Ab
Publication of FI19991664A publication Critical patent/FI19991664A/fi
Application granted granted Critical
Publication of FI122020B publication Critical patent/FI122020B/fi

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00Chain saws; Equipment therefor
    • B27B17/14Arrangements for stretching the chain saw
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40515Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/42Flow control characterised by the type of actuation
    • F15B2211/428Flow control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/46Control of flow in the return line, i.e. meter-out control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/47Flow control in one direction only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051Linear output members
    • F15B2211/7053Double-acting output members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/72Output members, e.g. hydraulic motors or cylinders or control therefor having locking means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/707By endless band or chain knife
    • Y10T83/7226With means to guard the tension
    • Y10T83/7239With means to vary distance between pulley or sprocket axes
    • Y10T83/7251Including means to yieldably bias pulley
    • Y10T83/7258By fluid means

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
  • Compressor (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
FI991664A 1997-02-06 1999-08-02 Venttiilikomponentti teräketjun kireyden säätämistä varten FI122020B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9700413A SE512961C2 (sv) 1997-02-06 1997-02-06 Ventilorgan för spänning av sågkedja
SE9700413 1997-02-06
SE9800195 1998-01-22
PCT/SE1998/000195 WO1998034768A1 (en) 1997-02-06 1998-02-03 Valve arrangement

Publications (2)

Publication Number Publication Date
FI19991664A FI19991664A (fi) 1999-08-02
FI122020B true FI122020B (fi) 2011-07-29

Family

ID=20405695

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991664A FI122020B (fi) 1997-02-06 1999-08-02 Venttiilikomponentti teräketjun kireyden säätämistä varten

Country Status (8)

Country Link
US (1) US6311599B1 (pt)
AU (1) AU730397B2 (pt)
BR (1) BR9807664A (pt)
CA (1) CA2278733A1 (pt)
FI (1) FI122020B (pt)
NO (1) NO311790B1 (pt)
SE (1) SE512961C2 (pt)
WO (1) WO1998034768A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512962C2 (sv) * 1998-02-20 2000-06-12 Sisu Logging Ab Hydrauliskt sågkedjestäckande organ
US6405629B1 (en) * 1999-01-28 2002-06-18 Heckler & Koch Gmbh Ammunition magazine for beltless fed ammunition
FI115706B (fi) 1999-05-27 2005-06-30 Ponsse Oyj Ketjusaha
US7185437B2 (en) * 2002-11-15 2007-03-06 Carlton Company Chainsaw bar tensioning apparatus
US7287330B1 (en) * 2004-09-29 2007-10-30 G&R Equipment, Llc Chain saw automatic tensioner
AT508397B1 (de) * 2009-06-25 2011-04-15 Prinz Gmbh & Co Kg Kettensäge
CN101690985B (zh) * 2009-09-27 2011-09-14 华中科技大学 一种水压链锯
US9381666B1 (en) 2013-04-23 2016-07-05 Andrew M. Moody Automatic chainsaw tensioning device
NZ615444A (en) * 2013-09-12 2014-12-24 Waratah Nz Ltd Saw apparatus with chain stretch detection
FI129870B (fi) * 2020-04-01 2022-10-14 Kesla Oyj Ketjusaha
CN112840992A (zh) * 2021-02-24 2021-05-28 广西徐沃工程机械设备有限公司 一种链锯锯条导板的液压固定与防松机构
CA3164378A1 (en) * 2021-06-21 2022-12-21 Deere & Company Saw apparatus with hydraulic tensioning

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316997A (en) * 1940-08-29 1943-04-20 Reed Prentice Corp Tensioning means for chain saws
US3279508A (en) * 1965-11-26 1966-10-18 Mcculloch Corp Chain saw bar
US4382334A (en) * 1981-07-01 1983-05-10 Omark Industries, Inc. Chain saw device
US5395705A (en) 1990-08-31 1995-03-07 The Dow Chemical Company Electrochemical cell having an electrode containing a carbon fiber paper coated with catalytic metal particles
SE467488B (sv) * 1990-12-10 1992-07-27 Sandvik Ab Faeste foer saagsvaerd
SE502386C2 (sv) * 1991-03-13 1995-10-09 Hultdin Invest Ab Anordning vid sågdon
SE9102157L (sv) * 1991-07-10 1992-07-20 Sandvik Ab Skyddsanordning vid saagsvaerd
US5174029A (en) * 1991-12-11 1992-12-29 Jt Investments Chain saw tensioning mechanism
US6032373A (en) * 1996-09-05 2000-03-07 Peterson; Robin A. Methods and apparatus for adjusting chain saw tension

Also Published As

Publication number Publication date
WO1998034768A8 (en) 1999-09-10
NO993705L (no) 1999-07-29
SE9700413L (sv) 1998-08-07
SE512961C2 (sv) 2000-06-12
CA2278733A1 (en) 1998-08-13
WO1998034768A1 (en) 1998-08-13
BR9807664A (pt) 2000-02-15
US6311599B1 (en) 2001-11-06
AU6010398A (en) 1998-08-26
NO993705D0 (no) 1999-07-29
NO311790B1 (no) 2002-01-28
AU730397B2 (en) 2001-03-08
SE9700413D0 (sv) 1997-02-06
FI19991664A (fi) 1999-08-02

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