FR1251681A - Control device for hydraulic actuation systems - Google Patents

Control device for hydraulic actuation systems

Info

Publication number
FR1251681A
FR1251681A FR821722A FR821722A FR1251681A FR 1251681 A FR1251681 A FR 1251681A FR 821722 A FR821722 A FR 821722A FR 821722 A FR821722 A FR 821722A FR 1251681 A FR1251681 A FR 1251681A
Authority
FR
France
Prior art keywords
control device
hydraulic actuation
actuation systems
systems
hydraulic
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
FR821722A
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.)
Hayes Engineers Leeds Ltd
Original Assignee
Hayes Engineers Leeds Ltd
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
Priority claimed from GB1034659A external-priority patent/GB900321A/en
Application filed by Hayes Engineers Leeds Ltd filed Critical Hayes Engineers Leeds Ltd
Priority to FR821722A priority Critical patent/FR1251681A/en
Application granted granted Critical
Publication of FR1251681A publication Critical patent/FR1251681A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/24—Feelers; Feeler units
    • B23Q35/26—Feelers; Feeler units designed for a physical contact with a pattern or a model
    • B23Q35/36—Feelers; Feeler units designed for a physical contact with a pattern or a model for control of a hydraulic or pneumatic copying system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
FR821722A 1959-03-25 1960-03-18 Control device for hydraulic actuation systems Expired FR1251681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR821722A FR1251681A (en) 1959-03-25 1960-03-18 Control device for hydraulic actuation systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1034659A GB900321A (en) 1959-03-25 1959-03-25 Improvements in or relating to hydraulic tracer valve control systems
FR821722A FR1251681A (en) 1959-03-25 1960-03-18 Control device for hydraulic actuation systems

Publications (1)

Publication Number Publication Date
FR1251681A true FR1251681A (en) 1961-01-20

Family

ID=26185345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821722A Expired FR1251681A (en) 1959-03-25 1960-03-18 Control device for hydraulic actuation systems

Country Status (1)

Country Link
FR (1) FR1251681A (en)

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