The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 1991
Filed:
Mar. 02, 1990
Fumio Maruyama, Nagoya, JP;
Tomio Suyama, Toyoake, JP;
Hiroaki Kamino, Toyoake, JP;
Koji Suyama, Shimane, JP;
Tokihiro Kuwahara, Kariya, JP;
Osamu Nagata, Toyoake, JP;
Hoshizaki Denki Kabushiki Kaisha, Toyoake, JP;
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.