Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1993-02-23
1994-07-12
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
134 951, 1341023, 134105, B08B 302
Patent
active
053279204
ABSTRACT:
An automated open topped apparatus and improved method for cleaning soil from metal parts which employs a low vapor tension, low density, LVTC, liquid cleaner in a first tank and a high vapor tension, higher density, immiscible rinse, HVTR, liquid in a second tank and a rinse vapor zone above both tanks in the apparatus which provides steps and means for preventing rinse vapor loss during shut down periods by using microprocessor controlled steps that cause a layer of the liquid cleaner to be positioned atop and cover the liquid rinse in its tank and at the end of the idle period returns the liquid cleaner cover to the first tank and re-starts the cleaning process and thereafter monitors and controls cleaning operation until the succeeding shut down period.
REFERENCES:
patent: 4132010 (1979-01-01), Deland
patent: 4398551 (1983-08-01), Moorehead
patent: 5138741 (1992-08-01), Allen
patent: 5172709 (1992-12-01), Eckhardt et al.
patent: 5192435 (1993-03-01), Francisco, Jr.
patent: 5255859 (1993-10-01), Peacock et al.
Gerard Donald R.
Hook William J.
Pennington Charles A.
Richardson, II Robert J.
Detrex Corporation
Stinson Frankie L.
Waldrop Neal A.
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