PL198193A1 - Urzadzenie sterujace wielokrotne do hydraulicznej obudowy kroczacej - Google Patents

Urzadzenie sterujace wielokrotne do hydraulicznej obudowy kroczacej

Info

Publication number
PL198193A1
PL198193A1 PL19819377A PL19819377A PL198193A1 PL 198193 A1 PL198193 A1 PL 198193A1 PL 19819377 A PL19819377 A PL 19819377A PL 19819377 A PL19819377 A PL 19819377A PL 198193 A1 PL198193 A1 PL 198193A1
Authority
PL
Poland
Prior art keywords
housing
control device
multiple control
trouble
hydraulic
Prior art date
Application number
PL19819377A
Other languages
English (en)
Original Assignee
Hemscheidt Maschf Hermann
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 Hemscheidt Maschf Hermann filed Critical Hemscheidt Maschf Hermann
Publication of PL198193A1 publication Critical patent/PL198193A1/pl

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
    • E21D23/26—Hydraulic or pneumatic control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/794—With means for separating solid material from the fluid
    • Y10T137/8085—Hollow strainer, fluid inlet and outlet perpendicular to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87233—Biased exhaust valve
    • Y10T137/87241—Biased closed

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)
  • Fluid-Pressure Circuits (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Valve Housings (AREA)
  • Earth Drilling (AREA)
PL19819377A 1976-05-19 1977-05-18 Urzadzenie sterujace wielokrotne do hydraulicznej obudowy kroczacej PL198193A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2622285A DE2622285C3 (de) 1976-05-19 1976-05-19 Druckknopf-Steuergerät für hydraulischen Schreitausbau

Publications (1)

Publication Number Publication Date
PL198193A1 true PL198193A1 (pl) 1978-01-16

Family

ID=5978397

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19819377A PL198193A1 (pl) 1976-05-19 1977-05-18 Urzadzenie sterujace wielokrotne do hydraulicznej obudowy kroczacej

Country Status (6)

Country Link
US (1) US4155375A (pl)
JP (1) JPS534704A (pl)
DE (1) DE2622285C3 (pl)
FR (1) FR2352157A1 (pl)
GB (1) GB1543452A (pl)
PL (1) PL198193A1 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838374B1 (de) * 1978-09-02 1980-01-10 Hemscheidt Maschf Hermann Nachbarsteuerung fuer hydraulische Schreitausbaugestelle
GB2123117B (en) * 1982-07-06 1986-01-29 Dobson Park Ind Valve assemblies
GB2153971B (en) * 1984-02-08 1988-01-13 Dobson Park Ind Valve assembly
DE102007047761B4 (de) * 2007-10-05 2013-12-05 Marco Systemanalyse Und Entwicklung Gmbh Ventilanordnung und Ausbaugestell

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258295A (en) * 1940-06-17 1941-10-07 Flow Controls Inc Expansion valve
US2609207A (en) * 1947-06-06 1952-09-02 Elmer Van Sickle Valve mechanism
US3019816A (en) * 1960-03-23 1962-02-06 Bendix Corp Control valve for dual independently operable braking systems
GB1063455A (en) * 1964-05-15 1967-03-30 Dowty Mining Equipment Ltd Roof support assembly suitable for use in mines
US3520327A (en) * 1968-05-28 1970-07-14 Ross Operating Valve Co Station selector valve
DE2321312A1 (de) * 1973-04-27 1974-11-07 Hydraulik Zubehoer Ges Fuer Hydraulische anlage

Also Published As

Publication number Publication date
DE2622285A1 (de) 1977-11-24
DE2622285C3 (de) 1978-11-09
FR2352157A1 (fr) 1977-12-16
US4155375A (en) 1979-05-22
DE2622285B2 (de) 1978-03-16
GB1543452A (en) 1979-04-04
JPS534704A (en) 1978-01-17

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Legal Events

Date Code Title Description
RECP Rectifications of patent specification