Cleaning and liquid contact with solids – Apparatus – Electrically controlled
Patent
1981-06-12
1983-10-04
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
Electrically controlled
134169R, B08B 908
Patent
active
044073151
ABSTRACT:
A permanently mounted tank cleaning apparatus cleans interior surfaces of a bulk milk storage tank using a plurality of cleaning cycles, each cycle characterized by a separate cleaning step. The tank includes a device for dispersing fluid against the interior surfaces of the tank and an outlet proximate its bottom interior surface. A pump is fixedly associated with the dispersing device by a conduit and pumps fluid to the dispersing device through the conduit. A three-way valve assembly is fixedly attached to the outlet of the tank and is positionable in a closed position, a milk removal position, and a tank cleaning position. A solenoid drain valve is positioned between the pump and the tank cleaning position of the three-way valve and below the bottom interior surface of the tank. The tank cleaning position of the three-way valve, the drain valve and the pump are all fixedly attached to each other by conduit and fluid is conveyed from the tank to the pump and to the dispersing device in the tank in a closed loop system. An electronic control device controls the length of each cycle and the input of fluid into the tank and controls operation of the pump and the drain valve such that the pump circulates fluid during each cycle and the drain valve opens and drains the fluid at the end of each cycle.
REFERENCES:
patent: 3033215 (1962-05-01), Miller
patent: 3062224 (1962-11-01), Skett et al.
patent: 3188238 (1965-06-01), Lyon
patent: 3448742 (1969-06-01), Bender
patent: 3589378 (1971-06-01), Swanson et al.
patent: 3825022 (1974-07-01), Metz
patent: 3860018 (1975-01-01), Reiter
Bulletin C-1-225-Advertising Brochure of St. Regis CP Division Brochure Entitled "The Automatic Washer" of Sunset Supply.
Advertising Brochure of Sunset Equipment Co. Entitled "Sunset Photo Report" Brochure of Paul Mueller Company Entitled "Mueller Matic Automatic Washing System".
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