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Pump field operation. See Diagram 2.

Each one-third section of the pump field consists of ten forward and ten aft concrete anchor blocks attached to each end of 40m heavy duty plastic support pipes. There are 9x40m sections of support pipe in length, joined by short flexible links, and 14 rows, spaced 3m apart, in depth. Rows are connected by linkage arms which allow a row to rise or fall relative to its neighbour. Each row section supports 16 floating pumps alternating 6 cylinders per pump row 1, 4 cylinders per pump row 2, 6 cylinders row 3, etc. Seven flexible down feeds for the 6 cylinder rows and seven for the 4 cylinder rows feed water under pressure to the sea bed and thence ashore to the lower reservoir. The floating field may be augmented by sea bed attached devices such as the Seadog pump (www.inri.us/index.php/SEADOG) and the Oyster array (www.aquamarinepower.com) also pumping ashore to the lower reservoir. In this event, a smaller floating field will be required.

Pump Flotation. See Diagram 3.

The flotation geometry allows each pump to pivot about its tilt axis (8) with the arrival of each wave. Each angular displacement from the vertical results in pump output. In addition, a rise or fall of the pump in relation to its high inertia support pipe (caused by wave or swell) will result in pump output. Internal to the support pipe is the feed section (11) open to the sea via mesh filters and from which each pump draws water, and the collector section (12), for pumped output.