IT940938B - Cilindro di lavoro idraulico o pneumatico - Google Patents

Cilindro di lavoro idraulico o pneumatico

Info

Publication number
IT940938B
IT940938B IT5306471A IT5306471A IT940938B IT 940938 B IT940938 B IT 940938B IT 5306471 A IT5306471 A IT 5306471A IT 5306471 A IT5306471 A IT 5306471A IT 940938 B IT940938 B IT 940938B
Authority
IT
Italy
Prior art keywords
hydraulic
working cylinder
pneumatic working
pneumatic
cylinder
Prior art date
Application number
IT5306471A
Other languages
English (en)
Italian (it)
Original Assignee
Aviat Gmbh
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 Aviat Gmbh filed Critical Aviat Gmbh
Application granted granted Critical
Publication of IT940938B publication Critical patent/IT940938B/it

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
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • 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
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/17—Characterised by the construction of the motor unit of the straight-cylinder type of differential-piston type
    • 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
    • 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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)
  • Actuator (AREA)
IT5306471A 1970-12-16 1971-09-24 Cilindro di lavoro idraulico o pneumatico IT940938B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702061883 DE2061883C3 (de) 1970-12-16 1970-12-16 Hydraulik- oder Pneumatikarbeitszylinder

Publications (1)

Publication Number Publication Date
IT940938B true IT940938B (it) 1973-02-20

Family

ID=5791134

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5306471A IT940938B (it) 1970-12-16 1971-09-24 Cilindro di lavoro idraulico o pneumatico

Country Status (4)

Country Link
DE (1) DE2061883C3 (de)
FR (1) FR2118094B1 (de)
IT (1) IT940938B (de)
SE (1) SE373914B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538223C2 (de) * 1975-08-28 1984-12-20 Aviatest GmbH, 4000 Düsseldorf Hydraulik- oder Pneumatik-Arbeitszylinder hoher Arbeitsfrequenz
DE3130931C2 (de) * 1981-08-05 1986-06-19 Aviatest GmbH, 4000 Düsseldorf Hydraulikantrieb für Beschichtungspressen mit wenigstens einem oder mehreren Leerhub-Krafthub-Zylindern
US5293809A (en) * 1988-03-28 1994-03-15 U.S. Philips Corporation Method of limiting a contact force
US5197371A (en) * 1988-03-28 1993-03-30 U.S. Philips Corporation Force limiter and ultrasonic device provided with a force limiter
DE4104856A1 (de) * 1991-02-16 1991-10-31 Krupp Maschinentechnik Antriebseinrichtung fuer ein abbruchwerkzeug
EP3770444B1 (de) 2019-07-23 2022-08-31 BEUMER Group GmbH & Co. KG Anordnung mit einem pneumatischen oder hydraulischen kolbenstangenzylinder
EP3770445B1 (de) 2019-07-23 2022-05-25 BEUMER Group GmbH & Co. KG Anordnung mit einem pneumatischen oder hydraulischen kolbenstangenzylinder
US11242870B2 (en) * 2020-05-27 2022-02-08 NORWOOD SALES, Inc. Cylinder bypass

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE802606C (de) * 1949-10-15 1951-02-15 Karl Geisel Kolbengetriebe mit Eilhub und hoher Druckkraft am Hubende

Also Published As

Publication number Publication date
SE373914B (de) 1975-02-17
DE2061883C3 (de) 1974-03-14
DE2061883A1 (de) 1972-06-22
FR2118094B1 (de) 1976-06-04
FR2118094A1 (de) 1972-07-28
DE2061883B2 (de) 1973-08-23

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