| 摘要 |
A floating lowering and lifting device ( 1 ) includes a floating structure ( 2 ) and a lifting unit ( 3 ) lowerable from the floating structure ( 2 ) towards the sea bed, the lifting unit ( 3 ) having a chamber ( 5 ) with at least one gas-inlet opening ( 9 ) in its wall ( 27 ) and an equalization opening ( 23, 25 ) in its wall ( 27 ), a gas supply ( 13 ) being connected to the gas inlet opening ( 9 ) The device includes a control element ( 15 ) connected to the gas supply ( 13 ) for controlling a gas supply rate to the chamber ( 5 ), wherein the chamber ( 5 ) includes a releasable coupling member ( 7 ) for releasably attaching to a load ( 8 ).
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