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FR539180A - Vacuum cleaner for smoke ducts, ventilation, etc. - Google Patents

Vacuum cleaner for smoke ducts, ventilation, etc.

Info

Publication number
FR539180A
FR539180A FR539180DA FR539180A FR 539180 A FR539180 A FR 539180A FR 539180D A FR539180D A FR 539180DA FR 539180 A FR539180 A FR 539180A
Authority
FR
France
Prior art keywords
ventilation
vacuum cleaner
smoke ducts
ducts
smoke
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
Emile Gerard
Edouard Hocquart
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 FR539180A publication Critical patent/FR539180A/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
    • F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR539180D 1921-08-09 1921-08-09 Vacuum cleaner for smoke ducts, ventilation, etc. Expired FR539180A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR539180T 1921-08-09

Publications (1)

Publication Number Publication Date
FR539180A true FR539180A (en) 1922-06-22

Family

ID=8928693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539180D Expired FR539180A (en) 1921-08-09 1921-08-09 Vacuum cleaner for smoke ducts, ventilation, etc.

Country Status (1)

Country Link
FR (1) FR539180A (en)

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