Filter assembly for swimming pools

Claim 1

A filter assembly for a swimming pool made of wall segments assembled edge to edge to form the wall of the pool, comprising: a. a casing integral with one of said wall segments and located on the outside wall of the one segment; b. a filter chamber in said casing and communicating with the pool interior adjacent the surface of the water in the pool; c. a filter located in said filter chamber; d. a pump located in said casing outside the said filter chamber and communicating with said filter and with the pool interior adjacent to the bottom thereof for recirculating the water in the pool from the top of the pool, through the filter and towards the bottom of the pool; e. means defining a second chamber in said casing on top of said filter chamber and connected directly to the pool through an opening in said segment; f. wherein said chamber has a depression formed therein and comprising a basket filter in said depression for collecting the coarse material in the pool, and g. wherein said filter chamber has a concave bottom, said filter assembly further comprising a conduit in communication with said depression of said second chamber and extending along one wall of said filter chamber towards the concave bottom of said filter chamber for creating a turbulence flow in said filter chamber to prevent the filter powder of the filter to deposit at the bottom of the filter chamber.