Autonomous liquid filled buoy

Details Autonomous liquid filled buoy Autonomous liquid filled buoy

2005-12-06

2005-12-06

Swinehart, Ed (Department: 3617)

Buoys, rafts, and aquatic devices

Buoy

Having means to control attitude or position

C441S021000

Reexamination Certificate

active

06971934

ABSTRACT:
A buoy system includes a sea-bed pump station having separate reservoirs of lighter-than-water and heavier-than-water liquids. The reservoirs are in fluid communication with peristaltic pumps that are operated via a preprogrammed control within the station. A buoy has an upper chamber connected by umbilical to be in fluid communication with the lighter-than-water chamber of the pump station and also includes a lower chamber connected to be in fluid communication with the heavier-than-water chamber of the station. The sea-bed and buoy chambers for the heavier-than-water liquid are both gimbaled mounted to assist fluid transfer even when non-level. Selected venting at the sea-bed pump station and of the buoy permit sea flooding and pressure equalization.

REFERENCES:
patent: 3228369 (1966-01-01), Warhurst et al.
patent: 3465374 (1969-09-01), Johnson et al.
patent: 5379267 (1995-01-01), Sparks et al.

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