CRANKCASE VENTILATION FILTER SYSTEMS; COMPONENTS; FEATURES; AND, MEHTODS OF ASSEMBLY AND USE

摘要

Crankcase ventilation filter assemblies are described and shown. Components, features and methods of assembly and use are described. Many of the principles relate to preferred cartridge configurations for engagement with selected housings. Selected optional features described can be used to provide indication to a service provider that a proper cartridge is not positioned appropriately in the housing for use.

主权项

1. A crankcase ventilation filter cartridge for removable installation in a housing, in use; the crankcase ventilation filter cartridge comprising:
(a) an extension of filter media surrounding and defining an open filter interior and a central, longitudinal, axis;
(i) the extension of filter media defining first and second ends; (b) a first, upper in use, end piece adjacent the first end of the filter media; (c) a first housing seal member positioned on the first end piece; and, (d) a second housing seal member positioned on the first end piece;
(i) the second housing seal member being spaced, in a direction of extension of the central axis, from the first housing seal member.