Baths – closets – sinks – and spittoons – Pool type – With wave-making means
Patent
1979-01-30
1981-07-07
Levy, Stuart S.
Baths, closets, sinks, and spittoons
Pool type
With wave-making means
272 26, 405 79, 417342, E04H 318, E02B 300, F04D 3500
Patent
active
042766648
ABSTRACT:
An apparatus is provided for making waves in bodies of water used for swimming, having a plurality of hollow open-bottom pistons mounted for reciprocation in alternating power and suction strokes in which the movement of each piston engaged in a power stroke is opposed to the movement of an adjacent piston engaged in a suction stroke; each piston confining a gas cushion between the top and any water within the lower portion of the piston that is under a superatmospheric pressure during a power stroke of the piston, and under a subatmospheric pressure during a suction stroke of the piston; whereby on the suction stroke each piston draws water into its interior via its passage and port from the body of water, and on the power stroke each piston pushes water from its interior via its passage and port back into the body of water, the resulting alternating pulses of water flow generating waves in the body of water.
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