FR657021A - Soupape de ventilation - Google Patents

Soupape de ventilation

Info

Publication number
FR657021A
FR657021A FR657021DA FR657021A FR 657021 A FR657021 A FR 657021A FR 657021D A FR657021D A FR 657021DA FR 657021 A FR657021 A FR 657021A
Authority
FR
France
Prior art keywords
ventilation valve
ventilation
valve
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
English (en)
Inventor
Peter Alexander Petersen
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
Application granted granted Critical
Publication of FR657021A publication Critical patent/FR657021A/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
    • F24F13/16—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of parallelly-movable plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR657021D 1928-07-05 1928-07-05 Soupape de ventilation Expired FR657021A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR657021T 1928-07-05

Publications (1)

Publication Number Publication Date
FR657021A true FR657021A (fr) 1929-05-16

Family

ID=9008159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR657021D Expired FR657021A (fr) 1928-07-05 1928-07-05 Soupape de ventilation

Country Status (1)

Country Link
FR (1) FR657021A (fr)

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