FR785741A - Improvements to louvers for ventilation ducts - Google Patents

Improvements to louvers for ventilation ducts

Info

Publication number
FR785741A
FR785741A FR785741DA FR785741A FR 785741 A FR785741 A FR 785741A FR 785741D A FR785741D A FR 785741DA FR 785741 A FR785741 A FR 785741A
Authority
FR
France
Prior art keywords
louvers
ventilation ducts
ducts
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.)
ADAM ETS
Original Assignee
ADAM ETS
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 ADAM ETS filed Critical ADAM ETS
Application granted granted Critical
Publication of FR785741A publication Critical patent/FR785741A/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
    • F24F13/14—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR785741D 1935-02-16 1935-02-16 Improvements to louvers for ventilation ducts Expired FR785741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR785741T 1935-02-16

Publications (1)

Publication Number Publication Date
FR785741A true FR785741A (en) 1935-08-17

Family

ID=9217991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785741D Expired FR785741A (en) 1935-02-16 1935-02-16 Improvements to louvers for ventilation ducts

Country Status (1)

Country Link
FR (1) FR785741A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676530A (en) * 1947-12-18 1954-04-27 Samuel M Bernstein Exhaust fan
US2863374A (en) * 1955-01-21 1958-12-09 Hinden Milton Damper actuating construction
US3082679A (en) * 1961-06-23 1963-03-26 Young Regulator Company Damper operating mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676530A (en) * 1947-12-18 1954-04-27 Samuel M Bernstein Exhaust fan
US2863374A (en) * 1955-01-21 1958-12-09 Hinden Milton Damper actuating construction
US3082679A (en) * 1961-06-23 1963-03-26 Young Regulator Company Damper operating mechanism

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