Floating lowering and lifting device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 27, 2009
Grant Date -
Mar 13, 2008
app pub date -
Apr 20, 2005
filing date -
Jun 23, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a floating lowering and lifting device having a floating structure and a lifting unit lowerable from the floating structure towards the sea bed, the lifting unit having a chamber with at least one gas-inlet opening in its wall and an equalization opening in its wall, a gas supply mechanism being connected to the gas inlet opening, the device having a controller connected to the gas supply mechanism for controlling a gas supply rate to the chamber. The chamber has a releasable coupling member for releasably attaching to a load and is connected via a lifting cable to a take up device on the floating structure for lengthening and shortening the lifting cable.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully