CS212728B2 - Rozváděč s otáčivým šoupátkem pro ovládání toku pracovní kapaliny - Google Patents

Rozváděč s otáčivým šoupátkem pro ovládání toku pracovní kapaliny Download PDF

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Publication number
CS212728B2
CS212728B2 CS567371A CS567371A CS212728B2 CS 212728 B2 CS212728 B2 CS 212728B2 CS 567371 A CS567371 A CS 567371A CS 567371 A CS567371 A CS 567371A CS 212728 B2 CS212728 B2 CS 212728B2
Authority
CS
Czechoslovakia
Prior art keywords
valve
control
opening
rotary slide
shut
Prior art date
Application number
CS567371A
Other languages
Czech (cs)
English (en)
Inventor
Walter Weirich
Werner Grommas
Original Assignee
Walter Weirich
Werner Grommas
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 Walter Weirich, Werner Grommas filed Critical Walter Weirich
Publication of CS212728B2 publication Critical patent/CS212728B2/cs

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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
    • E21D23/26—Hydraulic or pneumatic control

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)
  • Mechanically-Actuated Valves (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
CS567371A 1970-10-10 1971-08-04 Rozváděč s otáčivým šoupátkem pro ovládání toku pracovní kapaliny CS212728B2 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702049869 DE2049869C3 (de) 1970-10-10 1970-10-10 Steuergerät, insbesondere für hydraulische Grubenausbaugespanne

Publications (1)

Publication Number Publication Date
CS212728B2 true CS212728B2 (cs) 1982-03-26

Family

ID=5784768

Family Applications (1)

Application Number Title Priority Date Filing Date
CS567371A CS212728B2 (cs) 1970-10-10 1971-08-04 Rozváděč s otáčivým šoupátkem pro ovládání toku pracovní kapaliny

Country Status (4)

Country Link
JP (1) JPS559589B1 (enrdf_load_stackoverflow)
CS (1) CS212728B2 (enrdf_load_stackoverflow)
DE (1) DE2049869C3 (enrdf_load_stackoverflow)
FR (1) FR2123240B2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640185C3 (de) * 1976-09-07 1986-07-10 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Mehrfachsteuergerät für hydraulischen Schreitausbau
DE2851937C2 (de) 1978-12-01 1986-05-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuerventil, insbesondere für einen hydraulischen Schreitausbau in Bergbaubetrieben
DE19844860A1 (de) * 1998-09-30 2000-04-06 Mannesmann Rexroth Ag Handbetätigtes Steuergerät, insbesondere zur hydraulischen Betätigung von hydraulischen Ventilen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499318A (en) * 1943-09-17 1950-02-28 Jan Jongerius N V Liquid cock or valve
GB727804A (en) * 1952-03-15 1955-04-06 Electraulic Presses Ltd Improvements in and relating to hydraulic systems and control valves therefor
US2844167A (en) * 1954-09-17 1958-07-22 Donald G Griswold Pilot valve construction
DE1217907B (de) * 1958-12-20 1966-06-02 Bosch Gmbh Robert Anwendung einer Schalteinrichtung mit mehreren Armaturen
FR1302642A (fr) * 1961-07-21 1962-08-31 Entpr D Equipements Mecaniques Dispositif de commande hydraulique applicable notamment aux écluses
GB1022816A (en) * 1964-01-01 1966-03-16 Taylair Control Ltd Improvements relating to fluid control valve assemblies
JPS4423106Y1 (enrdf_load_stackoverflow) * 1964-02-02 1969-09-30
FR1548341A (enrdf_load_stackoverflow) * 1966-07-05 1968-12-06
DE1550310C3 (de) * 1966-09-17 1974-01-31 Gewerkschaft Eisenhuette Westfalia, 4628 Altluenen Steuerventil, insbesondere für Grubenausbaugespanne
DE1483931C3 (de) * 1966-11-09 1974-03-14 Kloeckner-Werke Ag, 4100 Duisburg Schaltgerät zur Steuerung des hydraulischen Strebausbaus und/oder der Rückeinrichtung eines Strebförderers
GB1261129A (en) * 1969-10-30 1972-01-19 Gullick Dobson Ltd Improvements in or relating to fluid-flow control means

Also Published As

Publication number Publication date
FR2123240B2 (enrdf_load_stackoverflow) 1976-05-28
FR2123240A2 (enrdf_load_stackoverflow) 1972-09-08
DE2049869B2 (de) 1978-06-01
DE2049869A1 (de) 1972-04-13
DE2049869C3 (de) 1984-11-08
JPS559589B1 (enrdf_load_stackoverflow) 1980-03-11

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