DANIEL F NASON
Water and Wastewater in Holden, MA
License number
Massachusetts 11703
Issued Date
Nov 6, 2004
Expiration Date
Dec 31, 2017
Type
Drinking Water Operator
Address
Address
Holden, MA 01520
Professional information
Separator Tank
US Patent:
2009002, Jan 22, 2009
Filed:
Nov 19, 2007
Appl. No.:
11/942049
Inventors:
Gregory Richard Williams - London, CA
Daniel F. Nason - Holden MA, US
George E. Hecker - Wayland MA, US
Mahadevan Padmanabhan - Shrewsbury MA, US
James T. Mailloux - Hubbardston MA, US
Stuart A. Cain - Jefferson MA, US
Daniel F. Nason - Holden MA, US
George E. Hecker - Wayland MA, US
Mahadevan Padmanabhan - Shrewsbury MA, US
James T. Mailloux - Hubbardston MA, US
Stuart A. Cain - Jefferson MA, US
International Classification:
B01D 21/02
US Classification:
21017003, 210519, 2105321
Abstract:
A separator tank for separating and trapping contaminants in rainwater and runoff is disclosed. According to one embodiment of the present invention, the separator tank comprises a container having a bottom wall, side wall, and top wall defining an internal chamber; an insert located inside of the internal chamber, the insert comprising a weir defining an intake area between the weir and the side wall; and a round-edged orifice positioned within the intake area; an inlet conduit for introducing an influent liquid into the intake area; wherein the weir is positioned such that the weir induces the influent liquid to flow in a swirling motion within the intake area. According to another embodiment of the present invention an insert for a separator tank is disclosed. The insert includes a weir defining an intake area for receiving an influent liquid; and a round-edged orifice positioned within the intake area.