Washing agents dispenser device for a domestic washing machine, namely a dishwasher
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United States of America Patent
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-
Aug 2, 2005
Grant Date -
Oct 24, 2002
app pub date -
Jan 22, 2002
filing date -
Jan 26, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Dispensing device of washing agents for a household washing machine, in particular a dishwasher, said dispenser having at least a tank for a liquid washing agent and an arrangement for dispensing a dose of said liquid washing agent, wherein this arrangement comprises: a passage, being adapted to put the inside of the tank in hydraulic communication with a discharge outlet for said liquid washing agent; first plugging means, act on said passage and capable of taking a first position due to which the washing agent cannot reach said discharge outlet, and a second position due to which the washing agent is able to reach said discharge outlet; actuating means producing actuation of said first plugging means. According to the invention, controllable safety means act along said passage are provided, which normally operate for preventing washing agent downflow from said tank to said passage, independently from the position or state of the first plugging means.
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