DE2056936B2 - Hydropneumatischer antrieb - Google Patents

Hydropneumatischer antrieb

Info

Publication number
DE2056936B2
DE2056936B2 DE19702056936 DE2056936A DE2056936B2 DE 2056936 B2 DE2056936 B2 DE 2056936B2 DE 19702056936 DE19702056936 DE 19702056936 DE 2056936 A DE2056936 A DE 2056936A DE 2056936 B2 DE2056936 B2 DE 2056936B2
Authority
DE
Germany
Prior art keywords
piston
working piston
pressure chamber
cylindrical extension
low
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.)
Granted
Application number
DE19702056936
Other languages
German (de)
English (en)
Other versions
DE2056936A1 (de
Inventor
Witold; Szymanski Aleksander; Warschau Rozwadowski
Original Assignee
Gllowne Biuro Studiow i Projektow Zaplecza Technicznego Motoryzacji, Warschau
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 Gllowne Biuro Studiow i Projektow Zaplecza Technicznego Motoryzacji, Warschau filed Critical Gllowne Biuro Studiow i Projektow Zaplecza Technicznego Motoryzacji, Warschau
Publication of DE2056936A1 publication Critical patent/DE2056936A1/de
Publication of DE2056936B2 publication Critical patent/DE2056936B2/de
Granted 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/032—Systems 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
    • F15B11/0325—Systems 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
    • 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
    • F15B2211/216—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Details Of Reciprocating Pumps (AREA)
DE19702056936 1969-11-21 1970-11-19 Hydropneumatischer antrieb Granted DE2056936B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL13703069A PL80403B3 (enrdf_load_stackoverflow) 1969-11-21 1969-11-21

Publications (2)

Publication Number Publication Date
DE2056936A1 DE2056936A1 (de) 1971-06-16
DE2056936B2 true DE2056936B2 (de) 1977-02-17

Family

ID=19950994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702056936 Granted DE2056936B2 (de) 1969-11-21 1970-11-19 Hydropneumatischer antrieb

Country Status (7)

Country Link
US (1) US3686856A (enrdf_load_stackoverflow)
AT (1) AT308327B (enrdf_load_stackoverflow)
CS (1) CS172917B2 (enrdf_load_stackoverflow)
DE (1) DE2056936B2 (enrdf_load_stackoverflow)
FR (1) FR2068570B1 (enrdf_load_stackoverflow)
HU (1) HU163544B (enrdf_load_stackoverflow)
PL (1) PL80403B3 (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US524184A (en) * 1894-08-07 John p
US2701551A (en) * 1952-02-20 1955-02-08 Westinghouse Air Brake Co Automatic air feed pressure control for rock drills
US3068841A (en) * 1961-01-13 1962-12-18 Robbins & Bendror Associates I Hydraulic pressure system
BE655844A (enrdf_load_stackoverflow) * 1963-11-29 1965-03-16
US3511133A (en) * 1968-03-06 1970-05-12 Caterpillar Tractor Co Position control for hydraulic jacks

Also Published As

Publication number Publication date
FR2068570A1 (enrdf_load_stackoverflow) 1971-08-27
FR2068570B1 (enrdf_load_stackoverflow) 1973-02-02
CS172917B2 (enrdf_load_stackoverflow) 1977-01-28
DE2056936A1 (de) 1971-06-16
AT308327B (de) 1973-06-25
HU163544B (enrdf_load_stackoverflow) 1973-09-27
US3686856A (en) 1972-08-29
PL80403B3 (enrdf_load_stackoverflow) 1975-08-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee