Patent ID: 6241881
Filing Date: 2001-06-05
Classification: B01D,E03F

Abstract:
A stormwater pollution separator and filter apparatus includingan inlet for receiving stormwater from a stormwater conduit, said inlet leading through an inlet aperture to a separation chamber and then to a filtration chamber which is positioned below the inlet aperture,a riser leading from the filtration chamber to an outlet for connection with a receiving stormwater conduit,the inlet opening into the separation chamber to create, in use, a swirl action in the separation chamber by reason of the flow of the stormwater, the separation chamber positioned vertically above the filtration chamber, and the filtration chamber having one or more filtration baskets positioned in the filtration chamber to receive substantially all the flow of stormwater from the separation chamber, said baskets spaced apart from a wall defining a periphery of the filtration chamber,and an overflow communicating directly between the inlet and the outlet, and an overflow inhibition means therebetween to prevent flow through the overflow unless a predetermined level of stormwater is exceeded.