Patent ID: 6151726
Filing Date: 2000-11-28
Classification: A63B,E04H,Y10S

Abstract:
A swimming pool, in which water is circulated, comprising:a swimming tank which stores water for swimming;an upstream tank which stores water to be supplied into the swimming tank, in which the water in the upstream tank has an energy head that is higher than the water in the swimming tank so as to generate water current in the swimming tank;a downstream tank which stores the water streamed from the upstream tank through the swimming tank;a plurality of water supply openings which are arranged between the upstream tank and swimming tank so that the water stored in the upstream tank is injected therethrough and around the surface of the water in the swimming tank, the plurality of water supply openings being arranged on a horizontal line with a distance between adjacent openings which is not uniform throughout in the horizontal direction, the distance being wider near center of the swimming tank and narrower around the sides of the swimming tank; anda pump which forces the water stored in the downstream tank to the upstream tank.