FR1211772A - Improvement in hydraulic control systems, especially for machine tools - Google Patents

Improvement in hydraulic control systems, especially for machine tools

Info

Publication number
FR1211772A
FR1211772A FR1211772DA FR1211772A FR 1211772 A FR1211772 A FR 1211772A FR 1211772D A FR1211772D A FR 1211772DA FR 1211772 A FR1211772 A FR 1211772A
Authority
FR
France
Prior art keywords
improvement
hydraulic control
control systems
machine tools
tools
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)
Inventor
Rene Poincenot
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.)
Forest & Cie
Original Assignee
Forest & Cie
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 Forest & Cie filed Critical Forest & Cie
Application granted granted Critical
Publication of FR1211772A publication Critical patent/FR1211772A/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
    • 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
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • 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
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1211772D 1958-10-08 1958-10-08 Improvement in hydraulic control systems, especially for machine tools Expired FR1211772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1211772T 1958-10-08

Publications (1)

Publication Number Publication Date
FR1211772A true FR1211772A (en) 1960-03-18

Family

ID=9675772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211772D Expired FR1211772A (en) 1958-10-08 1958-10-08 Improvement in hydraulic control systems, especially for machine tools

Country Status (1)

Country Link
FR (1) FR1211772A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2505852A1 (en) * 2011-03-31 2012-10-03 Messier-Bugatti-Dowty Hydraulic actuator with automatic drain at end of travel
WO2013177526A1 (en) * 2012-05-25 2013-11-28 Synventive Molding Solutions, Inc. Injection molding flow control apparatus and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2505852A1 (en) * 2011-03-31 2012-10-03 Messier-Bugatti-Dowty Hydraulic actuator with automatic drain at end of travel
FR2973454A1 (en) * 2011-03-31 2012-10-05 Messier Bugatti HYDRAULIC ACTUATOR WITH AUTOMATIC PURGE AT THE END OF THE RACE.
US9151303B2 (en) 2011-03-31 2015-10-06 Messier-Bugatti-Dowty Hydraulic actuator with automatic purging at the end of its stroke
WO2013177526A1 (en) * 2012-05-25 2013-11-28 Synventive Molding Solutions, Inc. Injection molding flow control apparatus and method

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