FILTERING APPARATUS
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Mar 13, 2013
filing date -
Oct 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A filtering apparatus has a filter tank, a conveyer having a scraper, a primary filter, and a cylindrical rotating secondary filter. The filter tank is divided into a first filter tank portion and a second filter tank portion by the primary filter. Sludge deposited at the bottom of the first filter tank portion is conveyed toward a sludge discharge portion by a first portion of the scraper. A liquid in the first filter tank portion is filtered by the primary filter and flows into the second filter tank portion. A liquid in the second filter tank portion is filtered by the secondary filter and supplied to a clean tank. The sludge adhering to the secondary filter is dropped onto the primary filter.
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