FR1108366A - Improvements to actuator control systems - Google Patents

Improvements to actuator control systems

Info

Publication number
FR1108366A
FR1108366A FR1108366DA FR1108366A FR 1108366 A FR1108366 A FR 1108366A FR 1108366D A FR1108366D A FR 1108366DA FR 1108366 A FR1108366 A FR 1108366A
Authority
FR
France
Prior art keywords
control systems
actuator control
actuator
systems
control
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.)
Expired
Application number
Other languages
French (fr)
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.)
SERVOMECANISMES ELECTRONIQUES Ste
Original Assignee
SERVOMECANISMES ELECTRONIQUES Ste
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 SERVOMECANISMES ELECTRONIQUES Ste filed Critical SERVOMECANISMES ELECTRONIQUES Ste
Application granted granted Critical
Publication of FR1108366A publication Critical patent/FR1108366A/en
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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
    • 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
    • B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
FR1108366D 1954-07-02 1954-07-02 Improvements to actuator control systems Expired FR1108366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1108366T 1954-07-02

Publications (1)

Publication Number Publication Date
FR1108366A true FR1108366A (en) 1956-01-12

Family

ID=9624935

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1108366D Expired FR1108366A (en) 1954-07-02 1954-07-02 Improvements to actuator control systems

Country Status (1)

Country Link
FR (1) FR1108366A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655907A1 (en) * 1989-12-19 1991-06-21 Plazenet Jean HYDRAULIC BRAKE PRESS WITH LOWER MOBILE APRON.
FR2676041A1 (en) * 1991-05-03 1992-11-06 Freyssinet Controlled multipoint lifting method for relatively flexible significant structures, and corresponding systems
FR2705954A1 (en) * 1993-06-04 1994-12-09 Sefac Equipement Lifting assembly and device for managing the operation of an association of unitary lifting elements, especially for vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655907A1 (en) * 1989-12-19 1991-06-21 Plazenet Jean HYDRAULIC BRAKE PRESS WITH LOWER MOBILE APRON.
EP0434541A1 (en) * 1989-12-19 1991-06-26 Amada S.A. Hydraulic bending press with movable lower beam
WO1991008894A1 (en) * 1989-12-19 1991-06-27 Amada S.A. Hydraulic folding press with mobile lower beam
FR2676041A1 (en) * 1991-05-03 1992-11-06 Freyssinet Controlled multipoint lifting method for relatively flexible significant structures, and corresponding systems
FR2705954A1 (en) * 1993-06-04 1994-12-09 Sefac Equipement Lifting assembly and device for managing the operation of an association of unitary lifting elements, especially for vehicles

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