FR983788A - Aspirateur, anti-refouleur - Google Patents
Aspirateur, anti-refouleurInfo
- 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
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)
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)
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 |
-
1949
- 1949-03-29 FR FR983788D patent/FR983788A/fr not_active Expired
Cited By (2)
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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