초록 ▼

An automatic dishwasher which comprises an enclosure for accommodating articles to be washed, a washing solution tank arranged below the enclosure, a hot water storage tank for containing a predetermined amount of hot water for rinsing use, a plurality of nozzles for spraying a liquid medium towards

An automatic dishwasher which comprises an enclosure for accommodating articles to be washed, a washing solution tank arranged below the enclosure, a hot water storage tank for containing a predetermined amount of hot water for rinsing use, a plurality of nozzles for spraying a liquid medium towards the articles in the enclosure, a motor-driven pump, a first piping connecting a discharge port of the pump with the nozzles, a second piping connecting both of the solution and storage tanks with a suction port of the pump, and a valve assembly disposed on the second piping and operable to close a first passage between the suction port and the storage tank and to open a second passage between the suction port and the solution tank during the washing operation in which the articles are washed, and to open and close the first and second passages, respectively, during the rinsing operation in which the articles are rinsed.

대표청구항 ▼

A dishwasher comprising: an enclosure for accommodating articles to be washed; a washing solution tank arranged below the enclosure; a hot water storage tank for containing a predetermined amount of hot water; a plurality of nozzle means for spraying a liquid medium towards articles accommodated in

A dishwasher comprising: an enclosure for accommodating articles to be washed; a washing solution tank arranged below the enclosure; a hot water storage tank for containing a predetermined amount of hot water; a plurality of nozzle means for spraying a liquid medium towards articles accommodated in the enclosure; a circulating pump having both a suction and discharge port; an electric motor for driving said circulating pump; a first piping means connecting said discharge port of the circulating pump with said plurality of nozzle means; a second piping means operatively connecting both said washing solution and hot water storage tanks with said suction port of the circulating pump; a control valve means disposed on the second piping means and operable for closing a first passage between the suction port and the hot water storage tank and opening a second passage between the suction port and the washing solution tank during a washing operation in which articles are washed and for opening and closing said first and second passages, respectively, during a rinsing operation in which articles are rinsed; a water supply pipe operatively connected with said hot water storage tank; a shut-off valve disposed on said water supply pipe; a first level detector operatively connected to said hot water storage tank for detecting the level of water within said hot water storage tank and for generating a signal for closing said shut-off valve when the water within the hot water storage tank attains a predetermined level; a second level detector operatively connected to said washing solution tank for detecting the level of liquid medium within the washing solution tank; a water supply control circuit including a water supply start switch, for initiating a hot water supply, and a first operating circuit; an actuating means operatively associated with said first level detector for selectively opening and closing said shut-off valve in response to said signal; a hot water supply means for establishing fluid communication between the hot water supply tank and said washing solution tank by controlling said control valve means and said circulating pump for effecting the supply of hot water into said washing solution tank; and a hot water supply interrupting means operable in response to a signal from said second level detector, indicative of the arrival of water within the washing solution tank to a predetermined level, for interrupting the operation of either said actuating means or said hot water supply means; said first operating circuit being operable to actuate said actuating means, said hot water supply means and said hot water supply interrupting means when the water supply start switch is turned on.