FR1155413A - Installation de ventilation - Google Patents

Installation de ventilation

Info

Publication number
FR1155413A
FR1155413A FR1155413DA FR1155413A FR 1155413 A FR1155413 A FR 1155413A FR 1155413D A FR1155413D A FR 1155413DA FR 1155413 A FR1155413 A FR 1155413A
Authority
FR
France
Prior art keywords
ventilation installation
ventilation
installation
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Application granted granted Critical
Publication of FR1155413A publication Critical patent/FR1155413A/fr
Expired legal-status Critical Current

Links

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
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0269—Surge control by changing flow path between different stages or between a plurality of compressors; load distribution between compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR1155413D 1955-08-15 1956-08-06 Installation de ventilation Expired FR1155413A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1155413X 1955-08-15

Publications (1)

Publication Number Publication Date
FR1155413A true FR1155413A (fr) 1958-04-28

Family

ID=10878296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155413D Expired FR1155413A (fr) 1955-08-15 1956-08-06 Installation de ventilation

Country Status (1)

Country Link
FR (1) FR1155413A (fr)

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