Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
  • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
  • E21F17/04—Distributing means for power supply in mines
  • E21F17/08—Distributing hydraulic power; Pipe networks for hydraulic liquid
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21C—MINING OR QUARRYING
  • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
  • E21C29/02—Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21C—MINING OR QUARRYING
  • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
  • E21C35/22—Equipment for preventing the formation of, or for removal of, dust

Definitions

• the mechanism normally used as a working fluid is oil or oil slurry, while for the use of water, it is used in conjunction with the use of water or water.
• This will require separation of the operating system and will complicate the com- ⁇ as ⁇ y ⁇ ie iz ⁇ b ⁇ e ⁇ eyaiya ⁇ ⁇ sya ⁇ vu iz ⁇ b ⁇ e ⁇ eniya shl ⁇ zhena task s ⁇ zdaniya sl ⁇ s ⁇ ba ⁇ eguzh ⁇ vaniya ⁇ dachi ⁇ e ⁇ zgchey s ⁇ edy ⁇ ⁇ mbaynu for vyem ⁇ i l ⁇ lezya ⁇ g ⁇ is ⁇ aem ⁇ g ⁇ and ⁇ a ⁇ zhe gid ⁇ sis ⁇ emy for eg ⁇ ⁇ susches ⁇ vleyaiya in ⁇ y ⁇ d ⁇ s ⁇ aya l ⁇ ⁇ yas ⁇ u ⁇ - tion gid ⁇ sis
• the preset pressure in the hydraulic system is maintained at different fluid levels, depending on the volume of the fluid.
• Regulator 12 Operating flow for regulating the flow of fluid may be dusted up, air conditioner, gold- - 7 - Type, however, it can be owned and any other kind of compliant, it must be kept in the hands of This makes it possible to maintain the necessary pressure on the injector and the various types of fluid.
• the hydraulic system may use a part of the quick-release fluid to cool the electric motors and the hydraulic system for the
• the proposed method offers the use of a hydraulic system for the storage of elements and machinery, as well as the use of devices.
• the use of antiprotic products is undesirable, as this may be a matter of concern to the user, in the event of an accident, that is inadvertently used.
• the simplification of the storage unit is the reduction of its size, due to the removal of the pump for its part.
• the economic effect of replacing the main invention is to improve the condition of the workplace.

Landscapes

• Engineering & Computer Science (AREA)
• Mining & Mineral Resources (AREA)
• Geology (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Mechanical Engineering (AREA)
• Jet Pumps And Other Pumps (AREA)
• Prevention Of Fouling (AREA)
• Electric Connection Of Electric Components To Printed Circuits (AREA)
• Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
• Processing Of Stones Or Stones Resemblance Materials (AREA)
• Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=21041472

Family Applications (1)

Country Status (5)

Families Citing this family (5)

Citations (2)

Family Cites Families (4)

• 1983
  • 1983-01-11 SU SU833528701A patent/SU1209851A1/ru active
  • 1983-05-27 WO PCT/SU1983/000011 patent/WO1984002739A1/ru not_active Ceased
  • 1983-05-27 AU AU16081/83A patent/AU558739B2/en not_active Ceased
  • 1983-05-27 US US06/648,154 patent/US4648659A/en not_active Expired - Fee Related
  • 1983-05-27 DE DE19833390446 patent/DE3390446T1/de active Granted

Patent Citations (2)

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