GB1438002A - Fire safety systems - Google Patents
Fire safety systemsInfo
- Publication number
- GB1438002A GB1438002A GB4691274A GB4691274A GB1438002A GB 1438002 A GB1438002 A GB 1438002A GB 4691274 A GB4691274 A GB 4691274A GB 4691274 A GB4691274 A GB 4691274A GB 1438002 A GB1438002 A GB 1438002A
- Authority
- GB
- United Kingdom
- Prior art keywords
- units
- smoke
- air
- shafts
- floor
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
1438002 Fire safety system in a building K G SMOKE DISPERSAL Ltd 21 June 1974 [26 June 1973] 46912/74 Divided out of 1438001 Heading ASA A fire safety system in a multi storey buliding having a plurality of accommodation units 6, 7 and 8 providing means of access to the accommodation units comprises on each floor a plurality of smoke detectors 19 and 21 in the communal units, fans 22 and 24 associated with vents in air shafts 1 and 3 arranged to draw air from the shafts into the communal units, wherein on detection of smoke by the detectors on a particular floor the fans 22, 24 on that floor are reversed (and preferably speeded up) so that air is supplied to the particular floor under pressure. The system also comprises a shaft 2 with associated fans 23 which under normal conditions all draw air into the shaft from the floors but on detection of smoke by detector 20 speed up to increase the air extraction rate. The shafts are made up of prefabricated units 32 with vent openings 33, plates 35 and fan units 36.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4691274A GB1438002A (en) | 1973-06-26 | 1973-06-26 | Fire safety systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4691274A GB1438002A (en) | 1973-06-26 | 1973-06-26 | Fire safety systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1438002A true GB1438002A (en) | 1976-06-03 |
Family
ID=10443043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4691274A Expired GB1438002A (en) | 1973-06-26 | 1973-06-26 | Fire safety systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1438002A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463896A (en) * | 1982-03-11 | 1984-08-07 | Schaus Herbert J | Methods and apparatus for the control of smoke and fire in buildings |
GB2193890A (en) * | 1986-07-04 | 1988-02-24 | George Alfred Forbes | Method and system for inhibiting the spread of combustion products in marine or building structures |
-
1973
- 1973-06-26 GB GB4691274A patent/GB1438002A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463896A (en) * | 1982-03-11 | 1984-08-07 | Schaus Herbert J | Methods and apparatus for the control of smoke and fire in buildings |
GB2193890A (en) * | 1986-07-04 | 1988-02-24 | George Alfred Forbes | Method and system for inhibiting the spread of combustion products in marine or building structures |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |