Liquid purification or separation – Processes – Using magnetic force
Reexamination Certificate
2007-12-25
2007-12-25
Reifsnyder, David A (Department: 1723)
Liquid purification or separation
Processes
Using magnetic force
C210S783000, C210S222000, C210S396000, C210S400000, C210S416100, C210S418000, C209S218000, C209S226000, C209S231000, C209S232000, C198S690100, C137S590000, C137S592000
Reexamination Certificate
active
10495579
ABSTRACT:
A method and apparatus for separating ferrous metal particles from non-ferrous metal particles suspended in a liquid, such as a coolant from a machining operation, in which mixed particle containing liquid is discharged across a horizontal, non-magnetic separating surface; the magnetic ferrous metal particles are captured by a magnetic force exerted by an array of parallel magnets disposed underneath the separating surface, the non-magnetic non-ferrous metal particles are washed by the liquid into a collecting flume from where they can be passed to a filtering station for removal from the liquid, and the captured ferrous metal particles are scraped from the separating surface and conveyed to a ferrous metal discharge by a scraper conveyor which moves transversely to the discharge direction of the liquid.
REFERENCES:
patent: 4154682 (1979-05-01), Matsuoka
patent: 4518496 (1985-05-01), Kanekubo
patent: 6086761 (2000-07-01), Green
Comer Richard
Schroder Mark
Crowell & Moring LLP
Mann & Hummel GmbH
Reifsnyder David A
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