GB542117A - Improvements in or relating to ventilators - Google Patents
Improvements in or relating to ventilatorsInfo
- Publication number
- GB542117A GB542117A GB1692340A GB1692340A GB542117A GB 542117 A GB542117 A GB 542117A GB 1692340 A GB1692340 A GB 1692340A GB 1692340 A GB1692340 A GB 1692340A GB 542117 A GB542117 A GB 542117A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ventilators
- louvres
- members
- relating
- proof
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
542,117. Ventilators. MORRIS, C. V., ELLIS, H. S., BAKER, E. A. G., and NEWHAVEN ENGINEERING CO., Ltd. Nov. 26, 1940, No. 16923. [Class 137] A tight-proof ventilator comprises a number of horizontal superposed louvres 3 arranged in a light-proof frame 2 which is secured to the exterior of a window 1 by screws or hooks. Two banks of louvres 3 may be arranged side by side as in Fig. 4, the top and bottom being formed by extensions which are doubled back as at 9 from the adjacent louvre members. Alternatively, two single ventilators as shown in Fig. 2 may be inserted into guides or grooves in side members 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1692340A GB542117A (en) | 1940-11-26 | 1940-11-26 | Improvements in or relating to ventilators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1692340A GB542117A (en) | 1940-11-26 | 1940-11-26 | Improvements in or relating to ventilators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB542117A true GB542117A (en) | 1941-12-24 |
Family
ID=10086095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1692340A Expired GB542117A (en) | 1940-11-26 | 1940-11-26 | Improvements in or relating to ventilators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB542117A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3628442A (en) * | 1969-09-12 | 1971-12-21 | Tiger Plastics Nv Industrieter | A light-inhibiting ventilating device |
-
1940
- 1940-11-26 GB GB1692340A patent/GB542117A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3628442A (en) * | 1969-09-12 | 1971-12-21 | Tiger Plastics Nv Industrieter | A light-inhibiting ventilating device |
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