Hydraulic and earth engineering – Marine structure or fabrication thereof
Patent
1981-02-12
1984-05-22
Husar, Cornelius J.
Hydraulic and earth engineering
Marine structure or fabrication thereof
175 7, 166355, 267124, 114264, E02D 2100, E21B 7128, E21B 1909, F16F 918
Patent
active
044498543
ABSTRACT:
The invention pertains to motion compensators and compensator systems, particularly adapted for disposition between an offshore platform and a riser or conductor pipe. Each compensator includes a cylinder with a piston reciprocably mounted therein, the piston rod protruding from one end of the cylinder. That one end of the cylinder is directed toward and connected to either the platform or the riser pipe, with its other end being directed toward the other of those two bodies. Link rods are independently connected to the protruding part of the piston rod and extend longitudinally toward said other end of the cylinder for connection to said other of the two bodies. A compressible fluid is disposed between the piston and said other end of the cylinder to resist movement of the piston toward said other end and thereby resist movement of the platform and the riser pipe away from each other.
REFERENCES:
patent: 3714995 (1973-02-01), Hanes et al.
patent: 3804183 (1974-04-01), Duncan et al.
patent: 3871622 (1975-03-01), Larralde et al.
Husar Cornelius J.
NL Industries Inc.
Stodola Nancy J.
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