Cleaning and liquid contact with solids – Processes – Work handled in bulk or groups
Patent
1991-12-20
1993-06-29
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Work handled in bulk or groups
134 253, 134 18, 134 26, 134 29, B08B 904
Patent
active
052230422
ABSTRACT:
A washing process for an automatic dishwashing machine, includes the steps of feeding a predetermined volume of water into the wash tub of the machine, adding a predetermined amount of detergent to the water to form a washing solution, heating the so formed washing solution, and subjecting the articles to be washed to the chemical and a mechanical action of the washing solution. After having reached a predetermined temperature, the washing solution is partially discharged and is replenished with a corresponding quantity of water. The detergent is added in two steps, respectively, before and after the partial discharge of the washing solution.
REFERENCES:
patent: 4810306 (1989-03-01), Noren
Chaudhry Saeed T.
Morris Theodore
Zanussi Elettrodomestici S.p.A.
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