Offshore lifting of a load with heave compensation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10442505
APP PUB NO 20170327192A1
SERIAL NO

15522860

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A lifting apparatus comprises: a base part, a lifting rope, a sheave assembly, a first rotatably mounted sheave, around which the rope passes and from which the rope extends downwardly to a load, a second rotatably mounted sheave and a drive for moving the sheave assembly. The sheave assembly is mounted for pivotal movement relative to the base part about an axis of pivoting spaced from the axis of rotation of the first sheave and coincident with the axis of rotation of the second sheave. During movement of the load relative to the base part, the first sheave is moved by the drive to compensate for that relative movement, the movement of the first sheave being such that the vertical component of the movement of the first sheave relative to the load is less than the vertical component of the movement of the base part relative to the load.

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Patent Owner(s)

  • 501 SAIPEM S.P.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiodini, Carlo Maniago, IT 5 12
Huot, Emmanuel St Martin de Nigelles, FR 8 21
Moceri, Liborio Cherisy, FR 8 12

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