Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent
1996-01-16
1998-10-20
Taylor, Dennis L.
Hydraulic and earth engineering
Means to expose a normally wetted surface,e.g., cofferdam, etc.
Contoured to wetted surface, e.g., side hung ship caisson
114221R, 114314, 405 8, 405188, B63C 1140, B63C 1100
Patent
active
058237089
ABSTRACT:
There is disclosed a means and a method for inspecting and repairing a propeller on a propeller shaft on a ship. The ship is in the water. A truss is positioned on the propeller shaft. A habitat bag is positioned over the upper part of the propeller and is attached to the truss. Then, the truss is inflated with air. An inspector and/or a repair person can enter into the habitat and work in a dry environment while the ship is in the water. There is no need, in many instances, to place the ship in a dry dock.
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Benson Richard D.
Dwight John M.
Secrest Thomas W.
Taylor Dennis L.
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