Immersed hydraulic unit for controlling an underwater oil workin

Details Immersed hydraulic unit for controlling an underwater oil workin Immersed hydraulic unit for controlling an underwater oil workin

1986-01-27

1988-06-21

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137172, 1372361, 137567, 417414, F04B 3900

Patent

active

047519398

ABSTRACT:
A reservoir (1) filled with fluid communicates through a central opening 21 with the inside of a flexible bladder 22 isolating the contents of the reservoir from the sea environment and equilizing the pressure inside the reservoir with the external hydrostatic pressure. An internal dividing wall 2 divides the reservoir into two compartments, the central compartment 3 to which is connected a duct 12 for the expanded fluid and housing a pump 8 for discharge to the platform and for draining water and the annular peripheral compartment 4 housing the pumps 5, 6 for feeding the compressed fluid to the accumulators. The installation can be used as a self contained hydraulic unit or fluid storage reservoir when the pressurized fluid supply is provided from the surface.

REFERENCES:
patent: 3202167 (1965-08-01), DeYoung et al.
patent: 3517815 (1970-06-01), Bolton et al.
patent: 3572032 (1971-03-01), Terry
patent: 3764233 (1973-10-01), Strickland
patent: 4052852 (1977-12-01), Hart
patent: 4324534 (1982-04-01), Sharkey

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