PL286923A1 - Pneumatic-hydraulic device for force increasing and a method thereefor, especially when the force is applied to a workpiece - Google Patents

Pneumatic-hydraulic device for force increasing and a method thereefor, especially when the force is applied to a workpiece

Info

Publication number
PL286923A1
PL286923A1 PL90286923A PL28692390A PL286923A1 PL 286923 A1 PL286923 A1 PL 286923A1 PL 90286923 A PL90286923 A PL 90286923A PL 28692390 A PL28692390 A PL 28692390A PL 286923 A1 PL286923 A1 PL 286923A1
Authority
PL
Poland
Prior art keywords
force
thereefor
workpiece
pneumatic
hydraulic device
Prior art date
Application number
PL90286923A
Other versions
PL165138B1 (en
Inventor
Michael H Wolfbauer
Original Assignee
Savair Inc
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
Priority claimed from US07/408,920 external-priority patent/US4961317A/en
Priority claimed from US07/566,053 external-priority patent/US5107681A/en
Application filed by Savair Inc filed Critical Savair Inc
Publication of PL286923A1 publication Critical patent/PL286923A1/en
Publication of PL165138B1 publication Critical patent/PL165138B1/en

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
    • F15B11/032Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
    • F15B11/0325Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
    • 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
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20538Type of pump constant capacity
    • 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
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/216Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters
    • 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
    • F15B2211/30525Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/3056Assemblies of multiple 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
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/327Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/60Circuit components or control therefor
    • F15B2211/625Accumulators
    • 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
    • F15B2211/7055Linear output members having more than two chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Gripping On Spindles (AREA)
  • Jigs For Machine Tools (AREA)
  • Machine Tool Units (AREA)
PL90286923A 1989-09-18 1990-09-18 Pneumatic-hydraulic device for force increasing and a method thereefor, especially when the force is applied to a workpiece PL165138B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/408,920 US4961317A (en) 1989-09-18 1989-09-18 Oleopneumatic intensifier cylinder
US07/566,053 US5107681A (en) 1990-08-10 1990-08-10 Oleopneumatic intensifier cylinder

Publications (2)

Publication Number Publication Date
PL286923A1 true PL286923A1 (en) 1991-06-17
PL165138B1 PL165138B1 (en) 1994-11-30

Family

ID=27020434

Family Applications (1)

Application Number Title Priority Date Filing Date
PL90286923A PL165138B1 (en) 1989-09-18 1990-09-18 Pneumatic-hydraulic device for force increasing and a method thereefor, especially when the force is applied to a workpiece

Country Status (9)

Country Link
JP (1) JP2519590B2 (en)
AU (1) AU635325B2 (en)
DE (1) DE4029138C2 (en)
ES (1) ES2032261A6 (en)
GB (1) GB2238079B (en)
IT (1) IT1246710B (en)
MX (1) MX167118B (en)
NZ (1) NZ235361A (en)
PL (1) PL165138B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4223411A1 (en) 1992-07-02 1994-01-05 Pressotechnik Pressen Und Werk Hydropneumatic pressure intensifier
DE19780220D2 (en) * 1996-03-19 1998-03-19 Tox Pressotechnik Gmbh Hydropneumatic machine tool
DE29720786U1 (en) * 1997-11-24 1999-03-25 Farger & Joosten Maschinenbau GmbH, 88367 Hohentengen Hydropneumatic pressure intensifier
DE10051042C2 (en) * 2000-10-14 2002-11-28 Niemann Wolfgang Drive cylinders for punches, embossing machines, presses and the like
NL2009046C2 (en) * 2012-06-21 2013-12-24 Hercules Piping Tools Engineering B V PIPE CLAMP WITH HYDRAULIC / PNEUMATIC DRIVE.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1016293A (en) * 1963-06-05 1966-01-12 B S Palmer & Company Ltd Improvements in and relating to air-hydraulic rams
FR1504765A (en) * 1966-10-26 1967-12-08 Faiveley Sa Staged structure hydraulic cylinder
GB2175648A (en) * 1985-05-15 1986-12-03 Smeets Gerard G F Pressure intensifier hydraulic cylinder system

Also Published As

Publication number Publication date
AU635325B2 (en) 1993-03-18
AU6266590A (en) 1991-03-21
MX167118B (en) 1993-03-04
IT9021492A0 (en) 1990-09-17
IT1246710B (en) 1994-11-26
NZ235361A (en) 1993-03-26
JPH03178745A (en) 1991-08-02
GB2238079B (en) 1994-03-23
DE4029138C2 (en) 1995-08-03
GB9020351D0 (en) 1990-10-31
PL165138B1 (en) 1994-11-30
IT9021492A1 (en) 1992-03-17
GB2238079A (en) 1991-05-22
ES2032261A6 (en) 1993-01-16
JP2519590B2 (en) 1996-07-31
DE4029138A1 (en) 1991-03-28

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