NL64241C - - Google Patents

Info

Publication number
NL64241C
NL64241C NL64241DA NL64241C NL 64241 C NL64241 C NL 64241C NL 64241D A NL64241D A NL 64241DA NL 64241 C NL64241 C NL 64241C
Authority
NL
Netherlands
Application number
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.)
Publication of NL64241C publication Critical patent/NL64241C/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/57Analogue computers for specific processes, systems or devices, e.g. simulators for fluid flow ; for distribution networks
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/0001Control or safety arrangements for ventilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
NL64241D 1941-07-15 NL64241C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE884201X 1941-07-15

Publications (1)

Publication Number Publication Date
NL64241C true NL64241C (en:Method)

Family

ID=6832341

Family Applications (1)

Application Number Title Priority Date Filing Date
NL64241D NL64241C (en:Method) 1941-07-15

Country Status (2)

Country Link
FR (1) FR884201A (en:Method)
NL (1) NL64241C (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859682A (en) * 1952-06-30 1958-11-11 Joy Mfg Co Method of ventilating the productive areas of a coal mine
FR2779487A1 (fr) * 1998-06-03 1999-12-03 Daniel Masse Centrale hydro-thermo-electrique a cheminee de vapeur sous vide et convertisseurs d'energie hydrodynamiques asymetriques

Also Published As

Publication number Publication date
FR884201A (fr) 1943-08-06

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