GB1239007A - - Google Patents

Info

Publication number
GB1239007A
GB1239007A GB1239007DA GB1239007A GB 1239007 A GB1239007 A GB 1239007A GB 1239007D A GB1239007D A GB 1239007DA GB 1239007 A GB1239007 A GB 1239007A
Authority
GB
United Kingdom
Prior art keywords
battery
solenoid
valve
valve member
actuated
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
Other languages
English (en)
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 filed Critical
Publication of GB1239007A publication Critical patent/GB1239007A/en
Expired legal-status Critical Current

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
    • E21D23/006—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
    • E21D23/0065—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 driven, or automatically, e.g. electrically-hydraulically controlled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/10—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with additional mechanism between armature and closure member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Portable Nailing Machines And Staplers (AREA)
GB1239007D 1969-09-23 1969-09-23 Expired GB1239007A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4673769 1969-09-23

Publications (1)

Publication Number Publication Date
GB1239007A true GB1239007A (de) 1971-07-14

Family

ID=10442396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239007D Expired GB1239007A (de) 1969-09-23 1969-09-23

Country Status (1)

Country Link
GB (1) GB1239007A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998048205A1 (de) * 1997-04-18 1998-10-29 G. Kromschröder Aktiengesellschaft Kniehebelangetriebenes ventil
GB2328002A (en) * 1997-06-30 1999-02-10 Bosch Gmbh Robert Quantity regulating valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998048205A1 (de) * 1997-04-18 1998-10-29 G. Kromschröder Aktiengesellschaft Kniehebelangetriebenes ventil
GB2328002A (en) * 1997-06-30 1999-02-10 Bosch Gmbh Robert Quantity regulating valve
GB2328002B (en) * 1997-06-30 2000-02-23 Bosch Gmbh Robert Quantity regulating valve for controlling fluids

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Legal Events

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