Dishwasher filter system

Cleaning and liquid contact with solids – Apparatus – Having self cleaning means

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C134S0580DL

Reexamination Certificate

active

07350527

ABSTRACT:
A filter system for dishwasher with a sump having inlets leading to a wash pump and a drain pump in the bottom wall. The filter assembly includes a vertical filter retainer an overlying perforate hood, a multiple porosity filter element carried on the filter retainer and a back wash sprayer rotatably mounted inside the filter retainer with at least one backwash nozzle directed toward the filter assembly. The inlet leading to the wash pump is positioned inside the filter element and the inlet to the drain pump is located outside the filter element. The filter element has openings that vary in size from the top to the bottom of the filter element. The filter element openings can be arranged in bands of different porosity openings including fine, medium and coarse porosity openings. The perforate hood can have coarse porosity openings.

REFERENCES:
patent: 3989054 (1976-11-01), Mercer
patent: 4418868 (1983-12-01), Gurubatham et al.
patent: 5345957 (1994-09-01), Cooper et al.
patent: 5700329 (1997-12-01), Edwards et al.
patent: 6234184 (2001-05-01), Tuller et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Dishwasher filter system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dishwasher filter system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dishwasher filter system will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2799771

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.