Elongated filter system, filter element therefor and methods of making same

摘要

An elongated filter system is provided which comprises an elongated filter alignment structure, a filter attachment structure and an elongated filter. The elongated filter attachment structure is removably attached to the filter alignment structure. The elongated filter alignment structure has a structure on one end to secure the elongated filter thereupon in fluid communication with a fluid passageway disposed in the filter attachment structure. The filter attachment structure for attaching the elongated filter comprises a yoke having an outer peripheral area in sealing engagement with the filter. The elongated filter alignment structure may comprise a central rod attached to a central opening in the filter attachment structure and may further have an elongated apertured center tube assembly disposed upon the rod. The elongated apertured center tube may be comprised of at least two interlocking tube sections and may further have multiple interlocking tube sections joined in an end to end relationship by connecting members each having a central opening in a central hub with the central openings being aligned with the central rod.