Method of controlling a washing cycle in an automatic dishwasher

Details Method of controlling a washing cycle in an automatic dishwasher Method of controlling a washing cycle in an automatic dishwasher

1991-10-07

1993-11-23

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Work handled in bulk or groups

134 26, 134 36, 134 253, 134 953, 134108, B08B 302

Patent

active

052640434

ABSTRACT:
The present invention relates to a method of controlling an automatic dishwasher having a tub, a lower spray arm and an upper spray arm disposed in the tub, a water circulating system including a pump for selectively supplying the spray arms with water, and a heater having a heating element in the tub. The method establishes at least an operative cycle in which the spray arms are supplied alternately with water to spray the crockery. The operative cycle includes a first phase (t1-t2) in which only the lower spray arm is supplied with water, and a second phase (t3-t4) in which only the upper spray arm is supplied with water. The heating element is only energized when the lower spray arm is being supplied with water.

REFERENCES:
patent: 4094702 (1978-06-01), Rabuffetti
patent: 4331484 (1982-05-01), Helwig, Jr.
patent: 5017852 (1991-05-01), Nagata et al.

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