Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Starting and/or stopping
Patent
1990-03-02
1991-04-09
Ro, Bentsu
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Starting and/or stopping
134 57D, 134 58D, B08B 302
Patent
active
050067672
ABSTRACT:
In a dishwashing machine having a washing chamber, an electrically operated wash pump for pumping out wash water from a wash tank in the washing chamber, an electrically operated rinse pump for pumping out heated water from a gas booster heater, and wash and rinse arms arranged within the washing chamber to be supplied with the wash and heated water from the wash and rinse pumps for directing jet streams of the wash and heated water to tableware racked in the washing chamber respectively, an electric control apparatus is arranged to mix cold water from a source of cold water into the heated water to form mixing water and to control the rinse pump such that the rinse arm directs jet stream of the mixing water to the racked tableware. The electric control apparatus is further arranged to control the wash pump in response to finish in control of the rinse pump such that the wash arm directs jet stream of the wash water to the racked tableware and to again control the rinse pump in response to finish in control of the wash pump such that the rinse arm directs jet stream of the heated water to the racked tableware.
REFERENCES:
patent: 4001599 (1977-01-01), Karklys
patent: 4114190 (1978-09-01), Mazuir
patent: 4241400 (1980-12-01), Kiefer
patent: 4468333 (1984-08-01), Geiger
Kamino Hiroaki
Kuwahara Tokihiro
Maruyama Fumio
Nagata Osamu
Suyama Koji
Hoshizaki Denki Kabushiki Kaisha
Ro Bentsu
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