FR675687A - Improvements in ventilators - Google Patents

Improvements in ventilators

Info

Publication number
FR675687A
FR675687A FR675687DA FR675687A FR 675687 A FR675687 A FR 675687A FR 675687D A FR675687D A FR 675687DA FR 675687 A FR675687 A FR 675687A
Authority
FR
France
Prior art keywords
ventilators
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)
Inventor
Alexander William Stewart
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 FR675687A publication Critical patent/FR675687A/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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
FR675687D 1928-08-10 1929-05-24 Improvements in ventilators Expired FR675687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB675687X 1928-08-10

Publications (1)

Publication Number Publication Date
FR675687A true FR675687A (en) 1930-02-13

Family

ID=10492064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR675687D Expired FR675687A (en) 1928-08-10 1929-05-24 Improvements in ventilators

Country Status (1)

Country Link
FR (1) FR675687A (en)

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