Underwater excavation apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11821164
APP PUB NO 20230045315A1
SERIAL NO

17973367

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is disclosed an excavation apparatus (5), such as an underwater excavation apparatus, having means for producing, in use, at least one vortex, spiral or turbulent flow in a laminar flow of fluid, e.g. water. The excavation apparatus (5) comprises a rotor (10) having a rotor rotation axis (A), wherein, in use, flow of fluid past or across the rotor (10) is at a first angle (a) from the axis of rotation (A). The excavation apparatus (5) comprises the rotor (5) and means or an arrangement for dampening reactive torque on the apparatus (5) caused by rotation of the rotor (10), in use. The turbulent flow is provided within, such as within a (transverse) cross-section, of the laminar flow.

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Patent Owner(s)

Patent OwnerAddress
ROTECH HOLDINGS LIMITEDABERDEEN AB16 6HQ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stewart, Donald Aberdeen, GB 24 174
Stewart, Kenneth Roderick Aberdeen, GB 21 196

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