FR418789A - Apparatus for preventing counter-currents in shafts of chimneys, ventilators and the like - Google Patents

Apparatus for preventing counter-currents in shafts of chimneys, ventilators and the like

Info

Publication number
FR418789A
FR418789A FR418789DA FR418789A FR 418789 A FR418789 A FR 418789A FR 418789D A FR418789D A FR 418789DA FR 418789 A FR418789 A FR 418789A
Authority
FR
France
Prior art keywords
chimneys
ventilators
currents
shafts
preventing counter
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
Howard Corregan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR418789A publication Critical patent/FR418789A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR418789D 1910-07-30 1910-07-30 Apparatus for preventing counter-currents in shafts of chimneys, ventilators and the like Expired FR418789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR418789T 1910-07-30

Publications (1)

Publication Number Publication Date
FR418789A true FR418789A (en) 1910-12-19

Family

ID=1462074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR418789D Expired FR418789A (en) 1910-07-30 1910-07-30 Apparatus for preventing counter-currents in shafts of chimneys, ventilators and the like

Country Status (1)

Country Link
FR (1) FR418789A (en)

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