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FR550159A - Vacuum cleaner for chimney and ventilation ducts - Google Patents

Vacuum cleaner for chimney and ventilation ducts

Info

Publication number
FR550159A
FR550159A FR550159DA FR550159A FR 550159 A FR550159 A FR 550159A FR 550159D A FR550159D A FR 550159DA FR 550159 A FR550159 A FR 550159A
Authority
FR
France
Prior art keywords
chimney
vacuum cleaner
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)
Inventor
Henri Chenegros
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 FR550159A publication Critical patent/FR550159A/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)
FR550159D 1922-04-13 1922-04-13 Vacuum cleaner for chimney and ventilation ducts Expired FR550159A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR550159T 1922-04-13

Publications (1)

Publication Number Publication Date
FR550159A true FR550159A (en) 1923-02-28

Family

ID=8936005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR550159D Expired FR550159A (en) 1922-04-13 1922-04-13 Vacuum cleaner for chimney and ventilation ducts

Country Status (1)

Country Link
FR (1) FR550159A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766677A (en) * 1950-07-21 1956-10-16 Silverman Daniel Flue control devices adapted for combustion heaters
US2878744A (en) * 1956-10-10 1959-03-24 Silverman Daniel Flue control devices adapted for combustion heaters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766677A (en) * 1950-07-21 1956-10-16 Silverman Daniel Flue control devices adapted for combustion heaters
US2878744A (en) * 1956-10-10 1959-03-24 Silverman Daniel Flue control devices adapted for combustion heaters

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