Filter element center tube cage with poke yoke function

摘要

A filtration system comprising: a filter housing having a first housing end and a second housing end, the filter housing comprising: a housing cover defining an outlet, the housing cover including a first guide member axially extending from an inner portion of the housing cover away from the outlet and a second guide member extending axially from the inner portion of the housing cover away from the outlet; anda filter element having a first filter end and a second filter end, the filter element comprising: an end cap adjacent the first filter end and defining a through end cap opening, the end cap including a channel around the end cap opening; filter media having a first medium end and a second medium end, the filter medium extending axially from the first medium end to the second medium end, the first medium end adjacent to the end cap, and the filter medium defining a central opening that extends axially between the first medium end and the second medium end; is positioned within the central opening of the filter medium and has a first tube end positioned within the channel of the end cap and a second tube end positioned axially away from the first tube end, the center tube including a first pocket and a second pocket asst, wherein the first pocket extends axially away from the first tube end from the second tube end, the second pocket extends axially away from the second tube end, the orientation of the first pocket and the orientation of the second pocket non-parallel to a central axis laterally along the first tube end, the engagement of the first filter end and the housing cover taking place when the first pocket receives the first housing guide element and the second pocket the second housing guide element of the filter housing.