Archimedean screw

E156202

The Archimedean screw is an ancient mechanical device, traditionally attributed to Archimedes, used to lift water or other granular materials by rotating a helical surface inside a cylinder or open trough.

All labels observed (1)

Label Occurrences
Archimedean screw canonical 2

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf mechanical device
positive displacement pump
simple machine
water-lifting device
hasAdvantage ability to handle debris-laden water
ability to operate at low heads
low maintenance requirements
relatively high efficiency at low speeds
hasApplication conveying bulk solids
dewatering
drainage
grain handling
irrigation
wastewater treatment
hasAttribution Archimedes
hasComponent cylinder
helical surface
rotating shaft
trough
hasCrossSection cylindrical
hasHistoricalPeriod Hellenistic period
hasInventor Archimedes
hasMainUse lifting granular materials
lifting water
hasMaterial metal
wood
hasModernMaterial steel
hasPlaceOfOrigin Greek Antiquity
surface form: ancient Greece
hasPowerSource animal power
engine power
human power
wind power
hasShape helix
hasTypicalOrientation horizontal
inclined
vertical
isPredecessorOf modern screw pumps
isTypeOf screw pump
isUsedIn agriculture
canals
flood control systems
mines
rivers
sewage treatment plants
operatesBy rotation of a helical surface
usesMedium grain
sand
water
usesPrinciple positive displacement
screw geometry

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Archimedes knownFor Archimedean screw
Archimedes hasConceptNamedAfter Archimedean screw