A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 15/00 (2006.01) A47L 15/42 (2006.01) A47L 15/46 (2006.01)
Patent
CA 2108727
-10- DISHWASHING MACHINE WITH WATER FILL CONTROL ABSTRACT OF THE DISCLOSURE In order to complete a water fill phase, an electromagnetically actuated water fill valve (11) enables water from a supply source to flow into a dishwasher tank; this water being at the same time taken in by a circulation pump (3). Both the valve and the pump are controlled by a timer switch arranged to be energized from a power supply source (4, 5) through a normally open pressure-responsive switch (14) that is arranged to close when the pressure at the delivery side of said circulation pump (3) rises beyond a pre-determined value (P2). At the beginning of the water fill phase, the valve (11) is opened by the timer switch until the latter has been energized for a pre-determined total period of time (T) where T equals the summation of times T1 - T6.
Milocco Claudio
Santarossa Gianni
Borden Ladner Gervais Llp
Electrolux Zanussi Elettrodomestici S.p.a.
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