B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/16 (2006.01) B01D 27/06 (2006.01) B01D 39/20 (2006.01)
Patent
CA 2586658
In the filtration of fluid materials, the removal of particulate from the moving stream requires substantial pressure to maintain flow and substantial capacity for removing particulate. The filters of the invention are rugged, high wet strength materials having a basis weight, permeability and efficiency suitable to obtain substantial reduction in particulate loading from liquid streams without plugging or mechanical failure. In particular, the filters of the invention permit the removal of substantial proportions of particulate from non-aqueous streams including lubricant oils, hydraulic fluids and other contaminated streams.
Dans la filtration de matières fluides, l'élimination de matières particulaires du flux en mouvement nécessite une pression importante afin de maintenir l'écoulement et une capacité de débit importante pour éliminer les matières particulaires. Les filtres selon l'invention se présentent sous la forme de matériaux robustes à haute résistance à l'humidité, dont le poids de base, la perméabilité et l'efficacité permettent d'obtenir une réduction sensible du chargement de matières particulaires à partir de flux de liquide, sans colmatage ni défaillance mécanique. En particulier, les filtres selon l'invention permettent d'éliminer des proportions importantes de matières particulaires de flux non aqueux, tels que des huiles lubrifiantes, des fluides hydrauliques et d'autres flux contaminés.
Dema Keh B.
Olson Linda M.
Donaldson Company Inc.
Oyen Wiggs Green & Mutala Llp
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