System for limiting pressure in a fine filter chamber for a...

Details System for limiting pressure in a fine filter chamber for a... System for limiting pressure in a fine filter chamber for a...

2005-02-09

2011-11-29

Kornakov, Michael (Department: 1714)

Cleaning and liquid contact with solids

Apparatus

Automatic controls

C134S0570DL, C134S0580DL

Reexamination Certificate

active

08066821

ABSTRACT:
A dishwasher includes wash chamber, a wash system for supplying washing fluid to wash arms to clean articles arranged in the wash chamber, and a washing fluid manifold having an inlet portion, an outlet portion and a passage interconnecting the inlet and outlet portions. A filter chamber is fluidly connected to the washing fluid manifold for removing food soil from the washing fluid. A venturi is provided in the passage for establishing a low pressure region. A sampling port for feeding the filter chamber is located in the low pressure region. In addition, a bleed port is provide near an inlet of the filter chamber. In this manner, washing fluid enters the filter chamber at low pressure to increase the efficiency of a filtering process, while washing fluid enters the wash arms at a high velocity to efficiently perform a washing operation.

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