IN169522B - - Google Patents

Info

Publication number
IN169522B
IN169522B IN241/MAS/87A IN241MA1987A IN169522B IN 169522 B IN169522 B IN 169522B IN 241MA1987 A IN241MA1987 A IN 241MA1987A IN 169522 B IN169522 B IN 169522B
Authority
IN
India
Application number
IN241/MAS/87A
Other languages
English (en)
Inventor
Richard Ward
Original Assignee
Dobson Park Ind
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 Dobson Park Ind filed Critical Dobson Park Ind
Publication of IN169522B publication Critical patent/IN169522B/en

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
    • 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
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
    • 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
    • Y10T137/87048—With preselecting means for plural valve actuator
    • 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
    • Y10T137/87096—Valves with separate, correlated, actuators
    • Y10T137/87113—Interlocked
    • 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
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87201—Common to plural valve motor chambers
    • 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
    • Y10T137/87217—Motor
    • Y10T137/87225—Fluid motor

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)
  • Multiple-Way Valves (AREA)
IN241/MAS/87A 1986-04-03 1987-04-02 IN169522B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8608176A GB2188703B (en) 1986-04-03 1986-04-03 Valves

Publications (1)

Publication Number Publication Date
IN169522B true IN169522B (de) 1991-11-02

Family

ID=10595626

Family Applications (1)

Application Number Title Priority Date Filing Date
IN241/MAS/87A IN169522B (de) 1986-04-03 1987-04-02

Country Status (5)

Country Link
US (1) US4799510A (de)
AU (1) AU597045B2 (de)
DE (1) DE3711250A1 (de)
GB (1) GB2188703B (de)
IN (1) IN169522B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8803974D0 (en) * 1988-02-20 1988-03-23 Fletcher Sutcliffe Wild Ltd Hydraulic pump
CN106284564A (zh) * 2016-01-12 2017-01-04 大连震泽精密模塑有限公司 一种用于智能马桶冲洗组件的分水阀装置
CN106523728B (zh) * 2016-11-21 2023-10-10 扬中市阀门厂有限公司 一种新型高效旋转分配阀门

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784820A (en) * 1955-01-22 1957-10-16 Paolo Aloisi Reserve device for gas cylinders
DE1147455B (de) * 1958-12-20 1963-04-18 Bosch Gmbh Robert Schalteinrichtung fuer mehrere Armaturen
DE1252026B (de) * 1963-03-04 1967-10-12
CH499739A (fr) * 1969-04-22 1970-11-30 Lucifer Sa Valve à clapets
US4006753A (en) * 1975-07-30 1977-02-08 Recognition Equipment Incorporated Rotary disc valve
GB1529994A (en) * 1975-11-25 1978-10-25 Hemscheidt Maschf Hermann Hydraulic controller for example for use with hydraulic mine-roof supports
DE2851937C2 (de) * 1978-12-01 1986-05-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuerventil, insbesondere für einen hydraulischen Schreitausbau in Bergbaubetrieben
GB2095425B (en) * 1981-02-25 1984-06-27 Dobson Park Ind Mine roof support control systems
US4466456A (en) * 1982-11-22 1984-08-21 Red Dot Corporation Programmable multiport switch
GB2142074B (en) * 1983-06-21 1987-04-23 Dobson Park Ind Control of mine roof supports
GB2153971B (en) * 1984-02-08 1988-01-13 Dobson Park Ind Valve assembly

Also Published As

Publication number Publication date
GB2188703A (en) 1987-10-07
DE3711250A1 (de) 1987-10-15
US4799510A (en) 1989-01-24
GB2188703B (en) 1990-03-21
AU597045B2 (en) 1990-05-24
AU7101687A (en) 1987-10-08
GB8608176D0 (en) 1986-05-08

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