Crankcase Ventilation Filter
First Claim
Patent Images
1. A crankcase ventilation filter including:
- (a) a first media stage comprising continuous, extruded, fibers having a largest cross-sectional size of at least 10 micron, a calculated pore size, X-Y direction, of 10-60 microns, and an added binder resin content, if any, of no greater than 7% by weight of total fiber material;
(i) the continuous fibers being bonded at spaced locations.
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Abstract
A crankcase ventilation filter includes a media stage comprising continuous, extruded fibres having a largest cross sectional size of at least 10 microns, a calculated pore size in the x-y direction of 10-60 microns, an added binder resin content if any of no greater than 7% by weight of the total fibre material; the continuous fibres being bonded at spaced locations. An assembly comprising the filter and a housing including a gas flow inlet, a gas flow outlet and a liquid drain.
156 Citations
6 Claims
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1. A crankcase ventilation filter including:
(a) a first media stage comprising continuous, extruded, fibers having a largest cross-sectional size of at least 10 micron, a calculated pore size, X-Y direction, of 10-60 microns, and an added binder resin content, if any, of no greater than 7% by weight of total fiber material;
(i) the continuous fibers being bonded at spaced locations. - View Dependent Claims (2, 3, 4, 5)
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6. A crankcase ventilation filtration assembly comprising:
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(a) a housing including a gas flow inlet arrangement, a gas flow outlet arrangement and a liquid drain outlet arrangement; and
(b) a serviceable crankcase ventilation filter operably positioned within the housing and comprising;
(i) a first media stage comprising continuous, extruded, fibers having a largest cross-sectional size of at least 10 micron, a calculated pore size, X-Y direction, of 10-60 microns, and an added binder resin content, if any, of no greater than 7% by weight of total fiber material;
(A) the continuous fibers being bonded at spaced locations.
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Specification