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)
  • Building Environments (AREA)
  • Binders And Loading Units For Sheaves (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
GB1458363A (en) 1976-12-15
ZA741459B (en) 1975-02-26
ES424073A1 (en) 1976-05-16
FR2220660A1 (en) 1974-10-04
FR2220660B1 (en) 1979-03-16
IT1006365B (en) 1976-09-30

Similar Documents

Publication Publication Date Title
BE817329A (en) COUPLING DEVICES IMPROVEMENTS
BE820797A (en) IMPROVEMENTS TO HYDRO OR OLEOPNEUMATIC DEVICES
SE417908B (en) VENTILATED FILTER DEVICE
BE809659A (en) IMPROVEMENTS TO ELASTIC SUPPORTS
BE797256A (en) IMPROVEMENTS RELATING TO OZONIZERS
BE821644A (en) SLIDES IMPROVEMENTS
AT331601B (en) SEAL ARRANGEMENT
AT340216B (en) SEAL ARRANGEMENT
BE815517A (en) IMPROVEMENTS TO AMPLIFIERS
BE822298A (en) NECROPOLIS DEVELOPMENT
BE819004R (en) IMPROVEMENTS RELATED TO ANTIBIOTICS
BE806544A (en) IMPROVEMENTS TO VEHICLE CONVOYS
IT1026135B (en) VENTILATION DEVICE
BE797814A (en) IMPROVEMENTS TO CLOSURES
BE769650A (en) IMPROVEMENTS TO BEDROOMS
BE810984A (en) IMPROVEMENTS RELATING TO CLASSIFICATION DEVICES
BE806450R (en) IMPROVEMENTS RELATED TO ANTIBIOTICS
BE808645A (en) PERFECTIONNEMENTS AUX GENERATEURS DE VAPEUR DU TYPE NUCLEAIRE
BE812364A (en) IMPROVEMENTS TO SLIDE LOCKING DEVICES
BE816738A (en) IMPROVEMENTS TO RAILWAY BOGGIES
BE768870A (en) IMPROVEMENTS RELATED TO DISCHARGE DEVICES
FR2289012A1 (en) IMPROVEMENTS TO METERING SYSTEMS
BE745255A (en) IMPROVEMENTS ADDRESSED TO THE
BE817654A (en) WHEEL IMPROVEMENTS
BE813393A (en) IMPROVEMENTS TO VENTILATION DEVICES

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COLT INTERNATIONAL LTD

Effective date: 19860331