ZA853539B - Hydraulic cylinder with force multiplication - Google Patents

Hydraulic cylinder with force multiplication

Info

Publication number
ZA853539B
ZA853539B ZA853539A ZA853539A ZA853539B ZA 853539 B ZA853539 B ZA 853539B ZA 853539 A ZA853539 A ZA 853539A ZA 853539 A ZA853539 A ZA 853539A ZA 853539 B ZA853539 B ZA 853539B
Authority
ZA
South Africa
Prior art keywords
cylinder
hydraulic cylinder
pistons
piston
force multiplication
Prior art date
Application number
ZA853539A
Other languages
English (en)
Inventor
Simson Dionizy
Original Assignee
Enfo Grundlagen Forschungs Ag
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 Enfo Grundlagen Forschungs Ag filed Critical Enfo Grundlagen Forschungs Ag
Publication of ZA853539B publication Critical patent/ZA853539B/xx

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
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/204Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16Control arrangements for fluid-driven presses
    • B30B15/161Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high 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
    • 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
    • F15B2211/214Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • 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
    • F15B2211/40Flow 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
    • F15B2211/70Output 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
    • F15B2211/775Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Vehicle Body Suspensions (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
ZA853539A 1984-05-11 1985-05-10 Hydraulic cylinder with force multiplication ZA853539B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2357/84A CH665007A5 (de) 1984-05-11 1984-05-11 Hydraulischer zylinder mit kraftmultiplikation.

Publications (1)

Publication Number Publication Date
ZA853539B true ZA853539B (en) 1986-01-29

Family

ID=4231904

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA853539A ZA853539B (en) 1984-05-11 1985-05-10 Hydraulic cylinder with force multiplication

Country Status (7)

Country Link
US (1) US4620419A (de)
EP (1) EP0164334B1 (de)
JP (1) JPS6136505A (de)
AT (1) ATE36038T1 (de)
CH (1) CH665007A5 (de)
DE (1) DE3564010D1 (de)
ZA (1) ZA853539B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841846A (en) * 1986-02-24 1989-06-27 Grambling William D Pneumatic actuators with liquid seals for oil and gas well swabs
DE3620876A1 (de) * 1986-06-21 1987-12-23 Hehl Karl Hydraulikelement und damit aufgebautes ziehwerkzeug
JPH02211965A (ja) * 1988-10-31 1990-08-23 Toshiba Mach Co Ltd 型締シリンダ装置
US5062268A (en) * 1990-02-02 1991-11-05 The University Of British Columbia Fluid actuator
US5188014A (en) * 1990-02-14 1993-02-23 Dionizy Simson Hydraulic cylinder with pressure transmission
EP0442842B1 (de) * 1990-02-14 1994-04-06 Dionizy Simson Hydraulikzylinder mit Druckübersetzung
DE4128389A1 (de) * 1991-08-27 1993-03-04 Grau Gmbh Doppelt wirkender betaetigungszylinder
JP2623075B2 (ja) * 1995-02-03 1997-06-25 悦男 安藤 流体シリンダ
DE10306128A1 (de) * 2003-02-14 2004-08-26 Richard Voß Grubenausbau GmbH Verfahren und Vorrichtung zur Druckerhöhung in Zylindern, insbesondere hydraulischen Stempeln
DE102012007681B4 (de) * 2012-04-17 2016-01-21 Festo Ag & Co. Kg Fluidbetätigter Linearantrieb
JP5939950B2 (ja) * 2012-10-01 2016-06-22 株式会社コスメック 倍力機構付きシリンダ装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US615912A (en) * 1898-12-13 Steam-engine
DE1176066B (de) * 1960-01-20 1964-08-13 Demag Ag Druckmittelbetaetigter Rammhammer
US3186173A (en) * 1960-09-15 1965-06-01 American Mach & Foundry Variable pressure hydraulic system
JPS4110721Y1 (de) * 1965-06-14 1966-05-20
US3473328A (en) * 1967-11-01 1969-10-21 Jergens Tool Specialty Co Pressure multiplying booster
DE1964076C3 (de) * 1969-12-22 1978-04-27 G.L. Rexroth Gmbh, 8770 Lohr Arbeitszylinder mit Eilgang und Krafthub
US4011724A (en) * 1971-09-16 1977-03-15 Lockheed Aircraft Corporation Dual force actuator
FR2179572B1 (de) * 1972-04-12 1976-04-30 Jarret Jean
JPS5144078U (de) * 1974-09-30 1976-04-01
FR2394386A1 (fr) * 1977-01-27 1979-01-12 Somifra Procede et dispositif automatique d'alimentation en matiere telle qu'un elastomere pour machine a injecter
GB1600733A (en) * 1978-02-27 1981-10-21 Midgley A C Coining presses
US4288987A (en) * 1978-11-11 1981-09-15 Eugen Rapp Pneumo-hydraulic booster with rapid-traverse feature
JPS55142101A (en) * 1979-04-23 1980-11-06 Masuo Shiaku Output booster for gas reciprocating expansion cylinder
CA1132441A (en) * 1980-05-22 1982-09-28 Gerard G.F. Smeets Pressure intensifier systems

Also Published As

Publication number Publication date
EP0164334B1 (de) 1988-07-27
JPS6136505A (ja) 1986-02-21
EP0164334A1 (de) 1985-12-11
CH665007A5 (de) 1988-04-15
ATE36038T1 (de) 1988-08-15
DE3564010D1 (en) 1988-09-01
US4620419A (en) 1986-11-04

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