Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hein Wille0
Jack Pollack0
Date of Patent
December 25, 2007
0Patent Application Number
105228130
Date Filed
July 21, 2003
0Patent Primary Examiner
Patent abstract
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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