Vessel comprising a subsea equipment motion restraining and...

Details Vessel comprising a subsea equipment motion restraining and... Vessel comprising a subsea equipment motion restraining and...

2005-08-29

2011-11-15

Olsen, Lars A (Department: 3617)

Ships

With hoist or deck engine

C114S051000

Reexamination Certificate

active

08056492

ABSTRACT:
A vessel (2) for handling subsea equipment comprising a subsea equipment hoist system including a winch and a hoist cable (3) for lowering and retrieving subsea equipment (5) in a hoist area of the vessel, a subsea equipment motion restraining and guidance system for restraining subsea equipment motion relative to the vessel in the hoist area. The subsea equipment motion restraining and guidance system includes a main trolley (7), an auxiliary trolley (8) and a vertical trolley guide structure (9) mounted on the hull of the vessel that allows for vertical travel of the trolleys and further a top end engagement member (10), which is movably supported by said main trolley and which is adapted to engage on a top end of the subsea equipment, and one or more rail engaging members (3a) mounted on said auxiliary trolley, each adapted to engage on a vertical rail (11) mounted on said subsea equipment as said subsea equipment passes vertically by said auxiliary trolley.

REFERENCES:
patent: 2874855 (1959-02-01), Rees, Jr.
patent: 4245578 (1981-01-01), Bianco et al.
patent: 6871609 (2005-03-01), Roodenburg et al.
patent: 2004/0089215 (2004-05-01), Roodenburg et al.
patent: 1 103 459 (2001-05-01), None
patent: 2 409 868 (2005-07-01), None
patent: WO-99/11518 (1999-03-01), None

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