Tank mixing system and valve therefor

Agitating – Having interrelated feed and discharge means

Reexamination Certificate

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Details

C366S134000, C366S173200, C366S177100, C366S182400, C366S184000, C366S192000

Reexamination Certificate

active

10866227

ABSTRACT:
A mixing system and valve(s) are provided for a tank or other container of liquid to be mixed. A directional flow control valve is secured within the tank. The directional flow control valve includes a plate secured adjacent an inlet supply opening or an outlet supply opening in the tank. The valve plate has openings for enabling controlled maximum liquid flow into or out of the inlet supply opening or the outlet supply opening, respectively. A floating disc is also provided within the valve and located in an aligned position to enable sealing engagement of the floating disc over the plate openings when the flow control valve is in a closed position, and to enable movement of the floating disc away from the plate openings when the flow control valve is in an open position. An inlet and outlet supply is also provided to supply liquid into and out of the tank. The directional flow control valve is secured adjacent either an inlet and/or outlet supply and the tank. An inlet and outlet conduit is supported within the tank for receiving or providing liquid to the tank. Connected to the inlet and outlet conduit is an inlet and outlet distribution conduit, which extends from the inlet and outlet conduit and has inlet and outlet orifices located therein. Liquid is mixed within the tank when liquid is provided under pressure from the inlet supply into the tank via the inlet and outlet orifices, or when liquid is removed from the tank to the outlet supply via said inlet and outlet orifices under gravity or reverse pressure in pressurized vessels.

REFERENCES:
patent: 694210 (1902-02-01), Soellner
patent: 1716294 (1929-06-01), Bond
patent: 4580597 (1986-04-01), Cordingley et al.
patent: 4609010 (1986-09-01), Watson
patent: 4987922 (1991-01-01), Andrepont et al.
patent: 5938326 (1999-08-01), Krivohlavek et al.
patent: WO 2005/036048 (2005-04-01), None
RED VALVE, Waterflex Check Valves, pp. 1-2, www.redvalvecom.
RED VALVE, Tideflex Check Valves, pp. 1-3, www.redvalve.com.
RED VALVE, Waterflex Check Valves, pp. 1-2, www.redvalvecom., no date.
RED VALVE, Tideflex Check Valves, pp. 1-3, www.redvalve.com., no date.

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