Patent ID: 7879122
Filing Date: 2011-02-01
Classification: B60H,F04D

Abstract:
1. An air filtering and fan system for a vehicle ventilation system comprising: a casing including a flow-off channel formed therein; an impeller having a first side and a second side disposed in said casing and adapted to be driven by a motor, the first side and the second side in side-by-side relation in a common plane, wherein the common plane is substantially parallel to a rotation axis of said impeller; and a filter disposed upstream of and in fluid communication with the first side and the second side of said impeller, wherein air flowing through said filter is received by the first side and the second side of said impeller and caused to flow to the flow-off channel, wherein the rotation axis of said impeller is deviated from alignment with a direction of flow of the air through said filter.