Patent ID: 7641720

Claim:
A flow turning vane assembly for use in a duct bend portion of a clean air duct of an air induction system for a vehicle engine, the flow turning vane assembly comprising: a vane support housing; and a hydrocarbon adsorbent vane mounted to the vane support housing, the hydrocarbon adsorbent vane being a curved sheet having a shape that is curved in only one direction, the shape defining a portion of an outer side surface of a cylinder that is less than one hundred eighty degrees around the cylinder, the curvature configured to extend along the duct bend portion, and configured to be located in the duct bend portion with the curvature of the hydrocarbon adsorbent vane in a direction of air flow through the duct bend portion to allow a portion of the air to flow through the duct bent portion without flowing through the hydrocarbon adsorbent vane, and the hydrocarbon adsorbent vane including a hydrocarbon adsorbent layer.