FR821622A - Automatic vacuum cleaner for chimneys and others, powered by the wind - Google Patents
Automatic vacuum cleaner for chimneys and others, powered by the windInfo
- Publication number
- FR821622A FR821622A FR821622DA FR821622A FR 821622 A FR821622 A FR 821622A FR 821622D A FR821622D A FR 821622DA FR 821622 A FR821622 A FR 821622A
- Authority
- FR
- France
- Prior art keywords
- chimneys
- powered
- wind
- vacuum cleaner
- automatic 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
- F23L17/10—Tops for chimneys or ventilating shafts; Terminals for flues wherein the top moves as a whole
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 |
---|---|---|---|
FR821622T | 1937-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR821622A true FR821622A (en) | 1937-12-09 |
Family
ID=9277761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR821622D Expired FR821622A (en) | 1937-05-08 | 1937-05-08 | Automatic vacuum cleaner for chimneys and others, powered by the wind |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR821622A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE953741C (en) * | 1954-06-23 | 1956-12-06 | Anton Zeh | Pivoting ventilation attachment with wind dam plates |
DE1604303B1 (en) * | 1965-01-28 | 1971-09-16 | Wilhelm Topp | HEAD FOR VENTILATOR |
-
1937
- 1937-05-08 FR FR821622D patent/FR821622A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE953741C (en) * | 1954-06-23 | 1956-12-06 | Anton Zeh | Pivoting ventilation attachment with wind dam plates |
DE1604303B1 (en) * | 1965-01-28 | 1971-09-16 | Wilhelm Topp | HEAD FOR VENTILATOR |
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