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US 6,374,519 B1Granted
Dredging apparatus
AssigneeSeabed Impellex Levelling and Trenching Limited
InventorRobert Beaumont
Life of this patent
Estimating the term…
Abstract
A dredger for removing sand, silt and like material from a river or seabed has application to clearing wrecks and providing trenches in which, for example, pipeline may be laid. The dredger includes a body having first thrusters to direct, in use, a wash of water downwards an area of seabed. The dredger also includes an additional thruster to maintain the body of the apparatus above the seabed and to propel the body through the water.
Claims17
A dredging apparatus, comprising:
- a body mounting first thrust means for directing, in use, a wash of water downwards towards an area of a seabed;
- and
- further thrust means for maintaining the body of the apparatus above the seabed and to propel the body through the water,
- wherein the body is a wing comprising a casing having ballast tanks to adjust a weight of the body.
1 more element
Dependencies are inferred from the claim text.