Ships – Warships – Turret
Patent
1974-06-13
1976-03-16
Blix, Trygve M.
Ships
Warships
Turret
92 10, 92143, 175 5, 175 27, 267126, B63B 3544
Patent
active
039438686
ABSTRACT:
A ship in which a string of heavy pipe is raised or lowered vertically beneath the ship at a substantially constant velocity in spite of heaving movement of the ship. The equipment for raising and lowering the pipe string is supported by the vessel through heave compensation means that permits vertical movement of the ship relative to the pipe raising and lowering mechanism. The heave compensation means is a passive damped pneumatic-hydraulic spring system for isolating the vertical movement of the ship from the pipe raising and lowering equipment. The spring system operates over a very wide range of load imposed by the raising, lowering and supporting of a very long heavy pipe string.
REFERENCES:
patent: 3158206 (1964-11-01), Kammerer
patent: 3208728 (1965-09-01), Parks
patent: 3328019 (1967-06-01), Wilson
patent: 3403728 (1968-10-01), Richardson et al.
patent: 3653635 (1972-04-01), Bates, Jr. et al.
patent: 3681928 (1972-08-01), Vincken et al.
patent: 3687013 (1972-08-01), Haller
patent: 3714995 (1973-02-01), Hanes et al.
patent: 3718316 (1973-02-01), Larralde et al.
patent: 3793835 (1974-02-01), Larralde
patent: 3866696 (1975-02-01), Larralde et al.
Bolding Vance E.
Person Abraham
Basinger Sherman D.
Blix Trygve M.
Global Marine Inc.
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