Dish washing machine preventing excessive water pressure

Details Dish washing machine preventing excessive water pressure Dish washing machine preventing excessive water pressure

2011-06-21

2011-06-21

Cleveland, Michael (Department: 1712)

Cleaning and liquid contact with solids

Apparatus

With means for collecting escaping material

Reexamination Certificate

active

07963292

ABSTRACT:
Disclosed herein is a dish washing machine that is capable of preventing the unintentional drainage of some wash water by the increase of the water pressure in a sump due to the excessive accumulation of filth in the sump. The dish washing machine includes a washing tub, at least one injection nozzle disposed in the washing tub, a sump disposed in the washing tub to forward wash water to the at least one injection nozzle, a guide pipe connected between the sump and the at least one injection nozzle, and a bypass pipe, diverging from a portion of the guide pipe, connected to the sump to bypass the wash water in the sump to the guide pipe.

REFERENCES:
patent: 3586011 (1971-06-01), Mazza
patent: 6832617 (2004-12-01), Hegeman et al.
patent: 2004/0163680 (2004-08-01), Elick et al.
patent: 2006/0060225 (2006-03-01), Han et al.
patent: 2525934 (2002-12-01), None
patent: 1428124 (2003-07-01), None
patent: 10-2006-0024597 (2006-03-01), None
Chinese Office Action for corresponding Chinese Application 200810083599.4

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