Patent ID: 8328916
Filing Date: 2012-12-11
Classification: B01D,B60K,F02M

Abstract:
1. A hydrocarbon adsorption filter device comprising: a filter housing; at least one filter element with activated carbon arranged in the filter housing; an intake canal, wherein the intake canal connects the filter housing to an environment and fresh air is taken in during a flushing operation; and an intake canal housing cover, wherein the intake canal housing cover includes a labyrinthine canal structure having a first end and an opposing second end, wherein the first end is in communication with the intake canal while the second end is in communication with a floor-side opening of the housing, wherein one or more separator contours is arranged within the intake canal housing cover, one or more of the separator contours having undulations and having one or more interference contours oriented in a direction opposite a flow of separated water within the intake canal housing cover.