FR2118094A1 - - Google Patents

Info

Publication number
FR2118094A1
FR2118094A1 FR7145035A FR7145035A FR2118094A1 FR 2118094 A1 FR2118094 A1 FR 2118094A1 FR 7145035 A FR7145035 A FR 7145035A FR 7145035 A FR7145035 A FR 7145035A FR 2118094 A1 FR2118094 A1 FR 2118094A1
Authority
FR
France
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
FR7145035A
Other languages
French (fr)
Other versions
FR2118094B1 (de
Inventor
H Knebel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AVIATEST GmbH
Original Assignee
AVIATEST 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 AVIATEST GmbH filed Critical AVIATEST GmbH
Publication of FR2118094A1 publication Critical patent/FR2118094A1/fr
Application granted granted Critical
Publication of FR2118094B1 publication Critical patent/FR2118094B1/fr
Expired 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
    • F15B11/036—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)
FR7145035A 1970-12-16 1971-12-15 Expired FR2118094B1 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2118094A1 true FR2118094A1 (de) 1972-07-28
FR2118094B1 FR2118094B1 (de) 1976-06-04

Family

ID=5791134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145035A Expired FR2118094B1 (de) 1970-12-16 1971-12-15

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021243353A1 (en) * 2020-05-27 2021-12-02 NORWOOD SALES, Inc. Cylinder bypass

Families Citing this family (7)

* 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
US5197371A (en) * 1988-03-28 1993-03-30 U.S. Philips Corporation Force limiter and ultrasonic device provided with a force limiter
US5293809A (en) * 1988-03-28 1994-03-15 U.S. Philips Corporation Method of limiting a contact force
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

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021243353A1 (en) * 2020-05-27 2021-12-02 NORWOOD SALES, Inc. Cylinder bypass
US11242870B2 (en) 2020-05-27 2022-02-08 NORWOOD SALES, Inc. Cylinder bypass

Also Published As

Publication number Publication date
DE2061883C3 (de) 1974-03-14
DE2061883A1 (de) 1972-06-22
IT940938B (it) 1973-02-20
FR2118094B1 (de) 1976-06-04
DE2061883B2 (de) 1973-08-23
SE373914B (de) 1975-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse