DE112008003985A5 - Device for increasing the pressure in cylinders with switching device - Google Patents

Device for increasing the pressure in cylinders with switching device Download PDF

Info

Publication number
DE112008003985A5
DE112008003985A5 DE112008003985T DE112008003985T DE112008003985A5 DE 112008003985 A5 DE112008003985 A5 DE 112008003985A5 DE 112008003985 T DE112008003985 T DE 112008003985T DE 112008003985 T DE112008003985 T DE 112008003985T DE 112008003985 A5 DE112008003985 A5 DE 112008003985A5
Authority
DE
Germany
Prior art keywords
cylinders
increasing
pressure
switching device
switching
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.)
Pending
Application number
DE112008003985T
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE112008003985A5 publication Critical patent/DE112008003985A5/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/214—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DE112008003985T 2008-06-17 2008-06-17 Device for increasing the pressure in cylinders with switching device Pending DE112008003985A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2008/000982 WO2009152786A1 (en) 2008-06-17 2008-06-17 Device for increasing the pressure in cylinders using a control device

Publications (1)

Publication Number Publication Date
DE112008003985A5 true DE112008003985A5 (en) 2011-06-09

Family

ID=40464133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112008003985T Pending DE112008003985A5 (en) 2008-06-17 2008-06-17 Device for increasing the pressure in cylinders with switching device

Country Status (4)

Country Link
EP (1) EP2291586B1 (en)
DE (1) DE112008003985A5 (en)
PL (1) PL2291586T3 (en)
WO (1) WO2009152786A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04157206A (en) * 1990-10-16 1992-05-29 Hitachi Constr Mach Co Ltd Hydraulic cylinder with intensifier
DE10306128A1 (en) * 2003-02-14 2004-08-26 Richard Voß Grubenausbau GmbH Method for increasing pressure in working cylinder has a smaller inner piston to further compress the fluid and achieve a working pressure greater than the pump pressure

Also Published As

Publication number Publication date
PL2291586T3 (en) 2012-11-30
EP2291586A1 (en) 2011-03-09
WO2009152786A1 (en) 2009-12-23
EP2291586B1 (en) 2012-05-30

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