FR2233569B1 - - Google Patents

Info

Publication number
FR2233569B1
FR2233569B1 FR7420465A FR7420465A FR2233569B1 FR 2233569 B1 FR2233569 B1 FR 2233569B1 FR 7420465 A FR7420465 A FR 7420465A FR 7420465 A FR7420465 A FR 7420465A FR 2233569 B1 FR2233569 B1 FR 2233569B1
Authority
FR
France
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
FR7420465A
Other languages
French (fr)
Other versions
FR2233569A1 (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.)
Colt International Ltd
Original Assignee
Colt International 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 Colt International Ltd filed Critical Colt International Ltd
Publication of FR2233569A1 publication Critical patent/FR2233569A1/fr
Application granted granted Critical
Publication of FR2233569B1 publication Critical patent/FR2233569B1/fr
Expired legal-status Critical Current

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)
FR7420465A 1973-06-13 1974-06-13 Expired FR2233569B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2233569A1 FR2233569A1 (en) 1975-01-10
FR2233569B1 true FR2233569B1 (en) 1981-06-12

Family

ID=10271889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420465A Expired FR2233569B1 (en) 1973-06-13 1974-06-13

Country Status (4)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014036610A1 (en) * 2012-09-07 2014-03-13 Csr Building Products Limited Airflow valve
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
GB1468667A (en) 1977-03-30
AU6999174A (en) 1975-12-11
FR2233569A1 (en) 1975-01-10
BE816318A (en) 1974-09-30
IT1015047B (en) 1977-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse