FR983788A - Aspirateur, anti-refouleur - Google Patents

Aspirateur, anti-refouleur

Info

Publication number
FR983788A
FR983788A FR983788DA FR983788A FR 983788 A FR983788 A FR 983788A FR 983788D A FR983788D A FR 983788DA FR 983788 A FR983788 A FR 983788A
Authority
FR
France
Prior art keywords
backflow
vacuum cleaner
cleaner
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
English (en)
Inventor
Jean-Raoul-Norbert Giromagny
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 FR983788A publication Critical patent/FR983788A/fr
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
    • F23L17/08—Tops for chimneys or ventilating shafts; Terminals for flues with coaxial cones or louvres

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR983788D 1949-03-29 1949-03-29 Aspirateur, anti-refouleur Expired FR983788A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR983788T 1949-03-29

Publications (1)

Publication Number Publication Date
FR983788A true FR983788A (fr) 1951-06-27

Family

ID=9536271

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983788D Expired FR983788A (fr) 1949-03-29 1949-03-29 Aspirateur, anti-refouleur

Country Status (1)

Country Link
FR (1) FR983788A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186574B (de) * 1957-12-23 1965-02-04 Clifford Edmund Brewer Blechaufsatz fuer Schornsteine oder Entlueftungskanaele
US3209669A (en) * 1963-07-19 1965-10-05 Donald E Bayne Cupola

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186574B (de) * 1957-12-23 1965-02-04 Clifford Edmund Brewer Blechaufsatz fuer Schornsteine oder Entlueftungskanaele
US3209669A (en) * 1963-07-19 1965-10-05 Donald E Bayne Cupola

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