GB176969A - Improvements in ventilating apparatus - Google Patents
Improvements in ventilating apparatusInfo
- Publication number
- GB176969A GB176969A GB276521A GB276521A GB176969A GB 176969 A GB176969 A GB 176969A GB 276521 A GB276521 A GB 276521A GB 276521 A GB276521 A GB 276521A GB 176969 A GB176969 A GB 176969A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vanes
- spindle
- chimney
- wind
- ventilating apparatus
- 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)
- Ventilation (AREA)
- Wind Motors (AREA)
Abstract
176,969. Hayward, F. E. Jan. 21, 1921. Chimney and ventilating-shaft tops. - A smoke - extractor or draught - producer for application to a chimney pot or the like comprises a skeleton framework of bars f within which is a spindle a carrying wind-vanes band fanblades d, and below the wind-vanes b is a dished deflector c which prevents downdraught. The spindle a has oil bearings e at each end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB276521A GB176969A (en) | 1921-01-21 | 1921-01-21 | Improvements in ventilating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB276521A GB176969A (en) | 1921-01-21 | 1921-01-21 | Improvements in ventilating apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB176969A true GB176969A (en) | 1922-03-23 |
Family
ID=9745464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB276521A Expired GB176969A (en) | 1921-01-21 | 1921-01-21 | Improvements in ventilating apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB176969A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5595030A (en) * | 1994-08-05 | 1997-01-21 | Pulscher; Calvin L. | Vent stack frost build up inhibitor |
ES2326293A1 (en) * | 2005-11-01 | 2009-10-06 | Ernesto Elias Storch Iurcovich | Extractor eolico. (Machine-translation by Google Translate, not legally binding) |
-
1921
- 1921-01-21 GB GB276521A patent/GB176969A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5595030A (en) * | 1994-08-05 | 1997-01-21 | Pulscher; Calvin L. | Vent stack frost build up inhibitor |
ES2326293A1 (en) * | 2005-11-01 | 2009-10-06 | Ernesto Elias Storch Iurcovich | Extractor eolico. (Machine-translation by Google Translate, not legally binding) |
ES2326293B1 (en) * | 2005-11-01 | 2010-07-06 | Ernesto Elias Storch Iurcovich | EOLIC EXTRACTOR. |
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