GB1496954A - Hydraulic distributor - Google Patents

Hydraulic distributor

Info

Publication number
GB1496954A
GB1496954A GB1255075A GB1255075A GB1496954A GB 1496954 A GB1496954 A GB 1496954A GB 1255075 A GB1255075 A GB 1255075A GB 1255075 A GB1255075 A GB 1255075A GB 1496954 A GB1496954 A GB 1496954A
Authority
GB
United Kingdom
Prior art keywords
valve
open
piston
line
lines
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
GB1255075A
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Publication of GB1496954A publication Critical patent/GB1496954A/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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • 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
    • E21D23/26—Hydraulic or pneumatic control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Reciprocating Pumps (AREA)
  • Preliminary Treatment Of Fibers (AREA)
GB1255075A 1974-04-04 1975-03-26 Hydraulic distributor Expired GB1496954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412525A FR2266813B1 (enrdf_load_stackoverflow) 1974-04-04 1974-04-04

Publications (1)

Publication Number Publication Date
GB1496954A true GB1496954A (en) 1978-01-05

Family

ID=9137476

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1255075A Expired GB1496954A (en) 1974-04-04 1975-03-26 Hydraulic distributor
GB1256075A Expired GB1496955A (en) 1974-04-04 1975-03-26 Multiway hydraulic distributor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1256075A Expired GB1496955A (en) 1974-04-04 1975-03-26 Multiway hydraulic distributor

Country Status (4)

Country Link
DE (2) DE2513307A1 (enrdf_load_stackoverflow)
FR (1) FR2266813B1 (enrdf_load_stackoverflow)
GB (2) GB1496954A (enrdf_load_stackoverflow)
PL (1) PL110123B1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2115526B (en) * 1982-02-24 1986-04-09 Teledyne Ind Multiposition selector valve
DE19844860A1 (de) * 1998-09-30 2000-04-06 Mannesmann Rexroth Ag Handbetätigtes Steuergerät, insbesondere zur hydraulischen Betätigung von hydraulischen Ventilen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979963A (en) * 1957-12-17 1961-04-18 Borg Warner Hydraulic clutch control
FR1530610A (fr) * 1967-05-18 1968-06-28 Anciens Etablissements Chabas Distributeur hydraulique à voies multiples

Also Published As

Publication number Publication date
FR2266813B1 (enrdf_load_stackoverflow) 1979-02-16
GB1496955A (en) 1978-01-05
PL110123B1 (en) 1980-07-31
DE2514090A1 (de) 1975-10-09
FR2266813A1 (enrdf_load_stackoverflow) 1975-10-31
DE2513307A1 (de) 1975-10-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee