GB1324138A - Hydraulic distributor valves - Google Patents

Hydraulic distributor valves

Info

Publication number
GB1324138A
GB1324138A GB2434371A GB2434371A GB1324138A GB 1324138 A GB1324138 A GB 1324138A GB 2434371 A GB2434371 A GB 2434371A GB 2434371 A GB2434371 A GB 2434371A GB 1324138 A GB1324138 A GB 1324138A
Authority
GB
United Kingdom
Prior art keywords
port
valve
passage
pistons
tubular chambers
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
GB2434371A
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.)
Bergwerksverband GmbH
Original Assignee
Bergwerksverband 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 Bergwerksverband GmbH filed Critical Bergwerksverband GmbH
Publication of GB1324138A publication Critical patent/GB1324138A/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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • 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

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)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
GB2434371A 1970-03-24 1971-04-19 Hydraulic distributor valves Expired GB1324138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2014068 1970-03-24

Publications (1)

Publication Number Publication Date
GB1324138A true GB1324138A (en) 1973-07-18

Family

ID=5766122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2434371A Expired GB1324138A (en) 1970-03-24 1971-04-19 Hydraulic distributor valves

Country Status (2)

Country Link
FR (1) FR2083544B3 (enExample)
GB (1) GB1324138A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256161A1 (de) * 1986-08-19 1988-02-24 Hewlett-Packard GmbH Mischventil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256161A1 (de) * 1986-08-19 1988-02-24 Hewlett-Packard GmbH Mischventil

Also Published As

Publication number Publication date
FR2083544A3 (enExample) 1971-12-17
FR2083544B3 (enExample) 1973-12-28

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees