FR1038918A - Vacuum fan unit for smoke or ventilation ducts - Google Patents

Vacuum fan unit for smoke or ventilation ducts

Info

Publication number
FR1038918A
FR1038918A FR1038918DA FR1038918A FR 1038918 A FR1038918 A FR 1038918A FR 1038918D A FR1038918D A FR 1038918DA FR 1038918 A FR1038918 A FR 1038918A
Authority
FR
France
Prior art keywords
smoke
fan unit
ventilation ducts
vacuum fan
vacuum
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.)
ANCIENS A CHANA Ets
Original Assignee
ANCIENS A CHANA 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 ANCIENS A CHANA Ets filed Critical ANCIENS A CHANA Ets
Application granted granted Critical
Publication of FR1038918A publication Critical patent/FR1038918A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/10—Tops for chimneys or ventilating shafts; Terminals for flues wherein the top moves as a whole

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1038918D 1951-06-21 1951-06-21 Vacuum fan unit for smoke or ventilation ducts Expired FR1038918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1038918T 1951-06-21

Publications (1)

Publication Number Publication Date
FR1038918A true FR1038918A (en) 1953-10-02

Family

ID=9587958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1038918D Expired FR1038918A (en) 1951-06-21 1951-06-21 Vacuum fan unit for smoke or ventilation ducts

Country Status (1)

Country Link
FR (1) FR1038918A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2812703A (en) * 1954-02-04 1957-11-12 Uno Ventilator Company Roof ventilator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2812703A (en) * 1954-02-04 1957-11-12 Uno Ventilator Company Roof ventilator

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