Variable spring rate riser tensioner system

Hydraulic and earth engineering – Marine structure or fabrication thereof

Patent

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Details

4052244, 166350, E02D 2100

Patent

active

051602199

ABSTRACT:
A number of riser tensioner systems which use passive energy storage devices, such as springs, are disclosed. The geometrical construction of these systems, along with the selection of proper spring rates for the individual springs, produces systems that have a total spring rate which varies in proportion to the stroke of the riser. Thus, the tensioning force exerted by the systems on the riser remains substantially constant throughout the range of motion of the riser.

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Advertisement, "Maritime Hydraulics"; p. 5.

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