FR1174443A - Adjustable ventilation device - Google Patents

Adjustable ventilation device

Info

Publication number
FR1174443A
FR1174443A FR1174443DA FR1174443A FR 1174443 A FR1174443 A FR 1174443A FR 1174443D A FR1174443D A FR 1174443DA FR 1174443 A FR1174443 A FR 1174443A
Authority
FR
France
Prior art keywords
ventilation device
adjustable ventilation
adjustable
ventilation
Prior art date
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
Other languages
French (fr)
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.)
Gretsch Unitas GmbH
Original Assignee
Gretsch Unitas GmbH
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 Gretsch Unitas GmbH filed Critical Gretsch Unitas GmbH
Application granted granted Critical
Publication of FR1174443A publication Critical patent/FR1174443A/en
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
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1174443D 1956-05-02 1957-05-02 Adjustable ventilation device Expired FR1174443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1174443X 1956-05-02

Publications (1)

Publication Number Publication Date
FR1174443A true FR1174443A (en) 1959-03-11

Family

ID=7729623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1174443D Expired FR1174443A (en) 1956-05-02 1957-05-02 Adjustable ventilation device

Country Status (1)

Country Link
FR (1) FR1174443A (en)

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