PL2291586T3 - Device for increasing the pressure in cylinders using a control device - Google Patents

Device for increasing the pressure in cylinders using a control device

Info

Publication number
PL2291586T3
PL2291586T3 PL08773265T PL08773265T PL2291586T3 PL 2291586 T3 PL2291586 T3 PL 2291586T3 PL 08773265 T PL08773265 T PL 08773265T PL 08773265 T PL08773265 T PL 08773265T PL 2291586 T3 PL2291586 T3 PL 2291586T3
Authority
PL
Poland
Prior art keywords
cylinders
increasing
pressure
control device
control
Prior art date
Application number
PL08773265T
Other languages
Polish (pl)
Inventor
Wolfgang Voss
Original Assignee
Wolfgang Voss
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 Wolfgang Voss filed Critical Wolfgang Voss
Publication of PL2291586T3 publication Critical patent/PL2291586T3/en

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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
PL08773265T 2008-06-17 2008-06-17 Device for increasing the pressure in cylinders using a control device PL2291586T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08773265A EP2291586B1 (en) 2008-06-17 2008-06-17 Device for increasing the pressure in cylinders using a control device
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
PL2291586T3 true PL2291586T3 (en) 2012-11-30

Family

ID=40464133

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08773265T PL2291586T3 (en) 2008-06-17 2008-06-17 Device for increasing the pressure in cylinders using a control 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
EP2291586A1 (en) 2011-03-09
DE112008003985A5 (en) 2011-06-09
WO2009152786A1 (en) 2009-12-23
EP2291586B1 (en) 2012-05-30

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