Dishwasher

Cleaning and liquid contact with solids – Apparatus – Automatic controls

Reexamination Certificate

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Reexamination Certificate

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07806990

ABSTRACT:
A dishwasher is a type in which a part of wash water contained in a wash water tank is replaced with rinse water every washing cycle. The dishwasher determines whether a present washing cycle is in timing of executing a detergent increase supply processing or in timing of executing a detergent normal supply processing (S304). Based on this determination result, by the execution of the detergent increase supply processing, a supply amount of the detergent is increased (S309). Consequently, in the dishwasher, the detergent concentration in the wash water is properly adjusted.

REFERENCES:
patent: 2003/0127110 (2003-07-01), Reichold et al.
patent: 5-261053 (1993-10-01), None
patent: 5-293071 (1993-11-01), None
patent: 2001-130999 (2001-05-01), None
patent: 2001-139099 (2001-05-01), None
patent: 2003-225191 (2003-08-01), None
patent: 2004-229808 (2004-08-01), None
patent: 96/21891 (1996-07-01), None
Patent Abstracts of Japan, Publication No. 2001-130999, Publication Date: May 15, 2001, 1 page.
Search Report for Singapore Application No. 200708558-2 mailed May 18, 2009, 8 pages.
Translation of the International Preliminary Report on Patentability mailed Nov. 29, 2007, 5 pages.
International Search Report for PCT/JP2006/309729 mailed Jun. 6, 2006 (1 page).
esp@cenet Patent Abstract JP2001-139099 dated May 22, 2001 (1 page).
esp@cenet Patent Abstract JP2003225191 dated Aug. 12, 2003 (1 page).
Patent Abstracts of Japan 05-261053 dated Oct. 12, 1993 (1 page).
Patent Abstracts of Japan JP2004-229808 dated Aug. 19, 2004 (1 page).
Patent Abstracts of Japan 05-293071 dated Nov. 9, 1993 (1 page).

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