Tide operated pumps

Details Tide operated pumps Tide operated pumps

1977-12-19

1979-11-13

Freeh, William L.

Pumps

Motor driven

Tide or wave motor

60496, 60505, F04B 1700, F04B 3500

Patent

active

041741927

ABSTRACT:
A tide operated pump has piston and cylinder members establishing a vertically expansible chamber, one member fixed and the other including a float that is adapted to contain ballast water. Valve controlled inlet and outlet conduits enable the chamber to become expanded and charged with water as a tide rises, the water trapped therein until the tide has ebbed to a wanted extent and then released under the head established by the float. The float may be flooded when in an elevated position to further increase the head and the ballast water later drained to restore normal float buoyancy if desired. A series of such pumps provide a continuous flow and the pumps are interconnected in a manner permitting one or more of the pumps to expand the chamber of at least one of the pumps with its float substantially above the height established at high tide to further increase the pumping capacity of that pump.

REFERENCES:
patent: 961401 (1910-06-01), Bonney
patent: 1677431 (1928-07-01), Coneliussen
patent: 3690790 (1972-09-01), Hooper

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