Bearing support structure for a turret in mooring system and met

Details Bearing support structure for a turret in mooring system and met Bearing support structure for a turret in mooring system and met

1997-06-06

1999-04-13

Swinehart, Ed L.

Buoys, rafts, and aquatic devices

Buoy

For mooring a vessel

114230, B63B 2150

Patent

active

058937846

ABSTRACT:
A bearing support structure is disclosed for a turret (10A) mounted for rotation within a well (50A) of a moored vessel. The bearing support structure has a turret bearing assembly (900A) which may tilt about a tilting axis (783A, FIG. 3) relative to a lower bearing support structure (764A) mounted on the vessel. The turret bearing assembly (760A) has a retainer ring (794A) below a peripheral slot (782A) in a turret ring (102A); a segmented key (596A) fits in slot (782A). The retainer ring (794A) is supported on an annular abutment (780A) on turret ring (102A). A filler material (781A) is provided in an annular space or clearance between turret ring (102A) and retainer ring (794A) to tighten the joint therebetween. A construction method is also disclosed for first placing a mooring turret in the well of the vessel and later installing a bearing assembly between the vessel and the turret by lowering it over the top of the turret.

REFERENCES:
patent: 4305341 (1981-12-01), Stafford
patent: 5356321 (1994-10-01), Boatman et al.

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