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

    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/161—Control 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
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action ; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or the actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or the actuating force of an output member for controlling the actuating force
    • F15B11/032—Systems essentially incorporating special features for controlling the speed or the actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
    • F15B11/0325—Systems essentially incorporating special features for controlling the speed or the 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
    • 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
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/775—Combined 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)
  • Servomotors (AREA)
  • Vehicle Body Suspensions (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
DE59101302D1 (de) * 1990-02-14 1994-05-11 Dionizy Simson Hydraulikzylinder mit Druckübersetzung.
US5188014A (en) * 1990-02-14 1993-02-23 Dionizy Simson Hydraulic cylinder with pressure transmission
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
DE3564010D1 (en) 1988-09-01
JPS6136505A (ja) 1986-02-21
EP0164334B1 (de) 1988-07-27
CH665007A5 (de) 1988-04-15
US4620419A (en) 1986-11-04
EP0164334A1 (de) 1985-12-11
ATE36038T1 (de) 1988-08-15

Similar Documents

Publication Publication Date Title
AU565818B2 (en) Fastener applying apparatus pistons
DE3679241D1 (en) Tuerschliesser.
DE3564010D1 (en) Hydraulic cylinder with force multiplication
DE3684628D1 (de) Vorrichtung zur daempfung von bewegungsablaeufen.
EP0582712A4 (de) Hermetischer verdichter.
UA32412C2 (uk) Циліндричний золотник
GB2037933B (en) Cylinder and piston device with piston acting as valve member
DE69022173D1 (de) Rückschlagventil mit verringerter Offenhaltungskraft.
DE3374330D1 (en) Control valve for double-acting piston and cylinder assembly
EP0228059A3 (en) Diesel hammer
GB2216990B (en) An override check valve
GB1520719A (en) High fatigue strength check valve
BR8303220A (pt) Pistao com valvula de retencao simples
IT8267810A0 (it) Dispositivo a cilindro e stantuffo particolarmente ammortizzatore o molla a gas
GB2211884A (en) Cord fastener
GB2131119B (en) A fluid-damped piston & cylinder assembly
BR8303194A (pt) Pistao com valvula de retencao composta
DE3164621D1 (en) Piston and piston rod assembly for sliding in a cylinder
GB2184521B (en) A valve component for a frictionless guided valve
DE3662156D1 (en) Flow medium cylinder with rapid resetting capability
ES8307975A3 (es) Perfeccionamientos introducidos en la construccion de cierrapuertas hidraulicos.
JPS54125530A (en) Nonnwater hammer little resistance check valve
Weclas Some Aspects of Gudgeon Pin and Piston Boundary Cooperation in IC Engines on Basis of Holographic Experiments
ES8703349A1 (es) Perfeccionamientos en los sistemas de valvula limitadora para fluidos con presion hidraulica
JPS5754750A (en) Pipe for chock absorber