B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 29/07 (2006.01) B01D 25/24 (2006.01)
Patent
CA 2495496
A filter for filtering fluids is made by stacking two or more strips of flexible material and then wrapping the stack around a center line to form a spiral shaped roll that has several laps of said strips. The resulting roll has an input side which is the bottom wall of a reservoir which contains the fluid to be filtered such as the runoff water from a parking lot. The reservoir may have a by-pass outlet which by-passes the water around the filter in the event that the flow rate of the incoming runoff water exceeds the maximum rate of flow at which the filter is efficient. The strips guide the fluid as the fluid passes through the filter.
Nexus Law Group Llp
Pank Thomas E.
LandOfFree
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