Hydraulic and earth engineering – Marine structure or fabrication thereof – With work deck vertically adjustable relative to floor
Patent
1987-11-27
1989-11-14
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With work deck vertically adjustable relative to floor
2671411, 267276, 403227, 405195, E02D 2100
Patent
active
048803367
ABSTRACT:
The suspension device for the support legs of a jack-up oil platform having a hull movable along the legs includes a driving mechanism having a plurality of output gear pinions cooperating with racks mounted along at least a part of the legs. Each of the output gear pinions is drivable by an electric motor associated with a speed reducer which is pivotally mounted on a structure which is connected to the hull and has at least one bearing which allows a given angular movement of the speed reducer and each corresponding output gear pinion. Each speed reducer cooperates with an energy absorbing mechanism including at least one torsionally elastically yieldable support element connected to a corresponding speed reducer and affording a progressive absorption of shock particularly at the moment when the legs contact the sea floor.
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patent: 3075786 (1963-01-01), Freers et al.
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patent: 4627768 (1986-12-01), Thomas et al.
patent: 4759662 (1988-07-01), Peppel
Grundman Raphael
Thomas Pierre-Armand
Engrenages et Reducteurs Citroen-Messian-Durand
Taylor Dennis L.
Technip Geoproduction
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