System for controlled lowering of a tube or cable
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United States of America Patent
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-
Oct 8, 2002
Grant Date -
N/A
app pub date -
Apr 25, 2001
filing date -
Aug 20, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for controlled lowering of an elongated body such as a tube or cable, from a relatively high level, especially the water level to a relatively low level, especially the (sea) bottom. The system includes an elongated tubular guide that is connected to one or more buoyancy bodies. The system also includes a braking device for braking the movement of the elongated body through the tubular guide. The braking device includes a number of braking units incorporated in the tubular guide and distributed over the length thereof. The braking units are under control of a central control unit which controls the braking force applied by each braking unit.
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