Filter and method for purifying liquids containing magnetic particles
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
Oct 18, 1999
filing date -
Oct 18, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter for removal of magnetic particles in which a liquid flows through a first compartment containing magnetic balls tightly packed together so that there is no direct flow path but only around these magnetic balls. Increased mixing of flow coupled with strong intensity of a magnetic field across the flow promotes better attraction and retention of the magnetic particles on the magnetic balls. The second compartment contains commonly known porous materials of known porosity to remove smaller non-magnetic particles. The filter is particularly useful as a fuel or oil filter for an internal combustion engine. In one embodiment, the magnetic portion is made removable and individually replaceable to extend the life of the filter. The filter is capable of removing magnetic particles for an extended period of time without clogging.
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