Mooring and cargo transfer system for difficult handling cargo

Fluent material handling – with receiver or receiver coacting mea – With conveying means to supply successive receivers – Horizontal axis conveyer

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141 44, 141387, B63B 2152, B65B 304

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active

039697819

ABSTRACT:
A mooring and cargo handling system for difficult-to-handle cargo such as liquified natural gas (LNG), is provided, which includes a swivel unit mounted on a mooring station and having rotatably connected sections respectfully coupled to a shore installation and to a ship that is moored to the mooring station. The swivel unit sections are connected by a rotary bearing and rotary outer seal, and the unit has a wall forming an auxiliary chamber extending along the bearing and seal, so that evaporating LNG must pass through the auxiliary chamber before it can escape through the bearing and outer seal. A gas pipe connects the auxiliary chamber to the ship or the shore installation where the evaporated gas can be flared or reliquified.

REFERENCES:
patent: 2336430 (1943-12-01), Wery
patent: 3082440 (1963-03-01), Rhedin
patent: 3414918 (1968-12-01), Petrie et al.
patent: 3596674 (1971-08-01), Takizawa et al.
patent: 3735435 (1973-05-01), Mikulicic et al.
patent: 3775989 (1973-12-01), Mursinna et al.
patent: 3838718 (1974-10-01), Flory et al.

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