Filter standpipe for dishwasher

Details Filter standpipe for dishwasher Filter standpipe for dishwasher

1996-05-22

1997-12-23

Stinson, Frankie L.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134155, 134186, 134111, B08B 302

Patent

active

057003297

ABSTRACT:
Disclosed is a filter standpipe for a dishwasher filter and sump unit that prevents loss of circulation pump prime due to filter blockage. The filter standpipe preferably comprises a weir tube that projects upwards from the upper surface of the filter to provide a bypass for wash water trapped on the upper surface of a blocked filter.

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patent: 5097855 (1992-03-01), Martinsson et al.
patent: 5333631 (1994-08-01), Kirkland et al.

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