BE812089A - IMPROVEMENTS TO VENTILATION DEVICES - Google Patents

IMPROVEMENTS TO VENTILATION DEVICES

Info

Publication number
BE812089A
BE812089A BE141831A BE141831A BE812089A BE 812089 A BE812089 A BE 812089A BE 141831 A BE141831 A BE 141831A BE 141831 A BE141831 A BE 141831A BE 812089 A BE812089 A BE 812089A
Authority
BE
Belgium
Prior art keywords
ventilation devices
ventilation
devices
Prior art date
Application number
BE141831A
Other languages
French (fr)
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 BE812089A publication Critical patent/BE812089A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Binders And Loading Units For Sheaves (AREA)
  • Building Environments (AREA)
BE141831A 1973-03-09 1974-03-08 IMPROVEMENTS TO VENTILATION DEVICES BE812089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1153973A GB1458363A (en) 1973-03-09 1973-03-09 Ventillators

Publications (1)

Publication Number Publication Date
BE812089A true BE812089A (en) 1974-07-01

Family

ID=9988096

Family Applications (1)

Application Number Title Priority Date Filing Date
BE141831A BE812089A (en) 1973-03-09 1974-03-08 IMPROVEMENTS TO VENTILATION DEVICES

Country Status (6)

Country Link
BE (1) BE812089A (en)
ES (1) ES424073A1 (en)
FR (1) FR2220660B1 (en)
GB (1) GB1458363A (en)
IT (1) IT1006365B (en)
ZA (1) ZA741459B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK68586D0 (en) * 1985-06-03 1986-02-12 System Feed Inc PROCEDURE AND INSTALLATION FOR AIR RENEWAL OR AIR VENTILATION
DE3606562A1 (en) * 1986-02-28 1987-09-03 Colt Int Holdings VENTILATION DEVICE FOR BUILDING ROOFS
US9174254B2 (en) 2008-11-05 2015-11-03 GM Global Technology Operations LLC Adjustable profile plate assembly for use with an air make-up system

Also Published As

Publication number Publication date
IT1006365B (en) 1976-09-30
ES424073A1 (en) 1976-05-16
GB1458363A (en) 1976-12-15
FR2220660A1 (en) 1974-10-04
FR2220660B1 (en) 1979-03-16
ZA741459B (en) 1975-02-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COLT INTERNATIONAL LTD

Effective date: 19860331