FR1426654A - Systèmes hydrauliques perfectionnés - Google Patents

Systèmes hydrauliques perfectionnés

Info

Publication number
FR1426654A
FR1426654A FR8995A FR8995A FR1426654A FR 1426654 A FR1426654 A FR 1426654A FR 8995 A FR8995 A FR 8995A FR 8995 A FR8995 A FR 8995A FR 1426654 A FR1426654 A FR 1426654A
Authority
FR
France
Prior art keywords
hydraulic systems
advanced hydraulic
advanced
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
FR8995A
Other languages
English (en)
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.)
WFEL Ltd
Original Assignee
Fairey Engineering 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
Application filed by Fairey Engineering Ltd filed Critical Fairey Engineering Ltd
Application granted granted Critical
Publication of FR1426654A publication Critical patent/FR1426654A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0065—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices driven, or automatically, e.g. electrically-hydraulically controlled
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/43—Programme-control systems fluidic
    • G05B19/46—Programme-control systems fluidic hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
FR8995A 1964-03-13 1965-03-12 Systèmes hydrauliques perfectionnés Expired FR1426654A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1078364A GB1105655A (en) 1964-03-13 1964-03-13 Improvements relating to hydraulic systems

Publications (1)

Publication Number Publication Date
FR1426654A true FR1426654A (fr) 1966-01-28

Family

ID=9974186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8995A Expired FR1426654A (fr) 1964-03-13 1965-03-12 Systèmes hydrauliques perfectionnés

Country Status (4)

Country Link
BE (1) BE661068A (fr)
DE (1) DE1303518B (fr)
FR (1) FR1426654A (fr)
GB (1) GB1105655A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117905738B (zh) * 2023-07-06 2024-08-23 新疆新研牧神科技有限公司 顺序启动液压系统及收获机

Also Published As

Publication number Publication date
GB1105655A (en) 1968-03-13
DE1303518B (fr) 1972-05-31
BE661068A (fr) 1965-07-01

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