Importance

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Abstract

A pneumatic wave generator for a surf pool, comprising a caisson divided into a plurality of wave generating chambers, a ventilator space provided with a powered source of air and a system of conduits coupled to inlet and outlet valves which together are capable of alternately effecting forced aspiration and expiration above the water surfaces in the wave generating chambers thereby to generate waves in a body of water in communication with the chambers. According to the invention, in each of the wave generating chambers, the coupling of the air inlet valve and the air outlet valve, provided with a common drive, is of great advantage in improving the system efficiency. The expiration may be enhanced by coupling the expirating chambers to the air input of the powered air source forming a closed air pressure system in which a partial vacuum is thus applied to the expirating chambers.

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First Claim