BE816318A - IMPROVEMENTS TO VENTILATION DEVICES - Google Patents

IMPROVEMENTS TO VENTILATION DEVICES

Info

Publication number
BE816318A
BE816318A BE145414A BE145414A BE816318A BE 816318 A BE816318 A BE 816318A BE 145414 A BE145414 A BE 145414A BE 145414 A BE145414 A BE 145414A BE 816318 A BE816318 A BE 816318A
Authority
BE
Belgium
Prior art keywords
ventilation devices
ventilation
devices
Prior art date
Application number
BE145414A
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 BE816318A publication Critical patent/BE816318A/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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
BE145414A 1973-06-13 1974-06-13 IMPROVEMENTS TO VENTILATION DEVICES BE816318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2820073A GB1468667A (en) 1973-06-13 1973-06-13 Roof ventilators

Publications (1)

Publication Number Publication Date
BE816318A true BE816318A (en) 1974-09-30

Family

ID=10271889

Family Applications (1)

Application Number Title Priority Date Filing Date
BE145414A BE816318A (en) 1973-06-13 1974-06-13 IMPROVEMENTS TO VENTILATION DEVICES

Country Status (4)

Country Link
BE (1) BE816318A (en)
FR (1) FR2233569B1 (en)
GB (1) GB1468667A (en)
IT (1) IT1015047B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113218019A (en) * 2021-05-18 2021-08-06 辽宁工程技术大学 Spiral-flow type natural ventilation device suitable for underground garage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013313028B2 (en) * 2012-09-07 2017-04-13 Csr Building Products Limited Airflow valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113218019A (en) * 2021-05-18 2021-08-06 辽宁工程技术大学 Spiral-flow type natural ventilation device suitable for underground garage
CN113218019B (en) * 2021-05-18 2022-04-29 辽宁工程技术大学 Spiral-flow type natural ventilation device suitable for underground garage

Also Published As

Publication number Publication date
IT1015047B (en) 1977-05-10
FR2233569B1 (en) 1981-06-12
AU6999174A (en) 1975-12-11
GB1468667A (en) 1977-03-30
FR2233569A1 (en) 1975-01-10

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