Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1985-02-19
1986-07-22
Cohan, Alan
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
166344, 285 27, 285306, 285920, F16L 104
Patent
active
046016082
ABSTRACT:
A hydraulic connection apparatus for use by divers or an underwater vehicle is disclosed which allows pressurized hydraulic fluid to be supplied to hydraulically-actuated devices carried upon subsea equipment. A pressurized fluid source carried by the underwater vehicle is placed in fluid communication with the hydraulically-actuated devices by the connection apparatus. The connection apparatus comprises a buoyant device that is allowed to float upwardly into a receptacle carried by a portion of the subsea equipment. Co-operating hydraulic connection elements carried by the buoyant device and the receptacle provide a pressure tight seal between the device and the receptacle. Pressurized hydraulic fluid then flows from the buoyant device and through the receptacle to the hydraulically-actuated devices carried upon the subsea equipment.
REFERENCES:
patent: 3846992 (1974-11-01), Liautaud
patent: 4046192 (1977-09-01), Darnborough et al.
patent: 4386659 (1983-06-01), Shotbolt
patent: 4490073 (1984-12-01), Lawson
Cohan Alan
Rivell John A.
Shell Offshore Inc.
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