AGA lighthouse system
E679634
The AGA lighthouse system is an automated lighthouse illumination technology that used Dalén’s sun valve and acetylene gas innovations to provide reliable, low-maintenance coastal lighting worldwide.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse illumination system
ⓘ
maritime navigation aid technology ⓘ |
| appliesTo |
buoys
ⓘ
coastal lighthouses ⓘ light beacons ⓘ |
| associatedWith | Nobel Prize in Physics 1912 to Gustaf Dalén ⓘ |
| basedOn | thermal expansion of metals in the sun valve ⓘ |
| commercialSuccess | widely adopted by lighthouse authorities ⓘ |
| controlMethod | photo-thermal regulation via sun valve ⓘ |
| countryOfOrigin | Sweden ⓘ |
| designedTo |
operate for long periods without human intervention
ⓘ
withstand harsh marine environments ⓘ |
| developer | Gustaf Dalén NERFINISHED ⓘ |
| domain | nautical navigation ⓘ |
| era | pre-electrification of many lighthouses ⓘ |
| hasFeature |
automatic day-night switching
ⓘ
gas-powered light source ⓘ low-maintenance operation ⓘ unattended lighthouse operation ⓘ |
| historicalSignificance |
enabled unattended lights on remote coasts
ⓘ
key step in lighthouse automation ⓘ |
| implementedIn |
Australian lighthouses
ⓘ
British lighthouses ⓘ Canadian lighthouses ⓘ Scandinavian coastal lighthouses ⓘ numerous lighthouses worldwide ⓘ |
| inception | early 20th century ⓘ |
| influenced | later automated lighthouse technologies ⓘ |
| lightCharacteristic | flashing light patterns ⓘ |
| lightSourceType | gas mantle illumination ⓘ |
| manufacturer | AGA AB NERFINISHED ⓘ |
| marketedBy | AGA AB NERFINISHED ⓘ |
| notableComponent |
Dalén mixer for gas regulation
ⓘ
Dalén sun valve NERFINISHED ⓘ flasher for intermittent light ⓘ gas accumulator ⓘ |
| poweredBy | compressed acetylene gas ⓘ |
| reduced |
need for resident lighthouse keepers
ⓘ
operational costs of lighthouses ⓘ |
| replaced | manual lighthouse tending ⓘ |
| safetyFeature |
automatic shutoff in low light demand
ⓘ
use of dissolved acetylene in porous mass ⓘ |
| usedFor |
coastal lighting
ⓘ
harbor lighting ⓘ maritime navigation safety ⓘ |
| uses |
Dalén sun valve
NERFINISHED
ⓘ
acetylene gas ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.