Patent ID: 7520803
Filing Date: 2009-04-21
Classification: B60H,Y10S

Abstract:
1. An air passage opening and closing device for controlling an air flow for air-conditioning a vehicle compartment comprising: a casing of an air conditioner for a vehicle which has an opening portion through which air flows and forms air passages; and an opening and closing door which opens and closes the opening portion; wherein on a portion of an end side of the opening and closing door, corresponding to an edge portion of the opening portion, an elastically deformable lip seal for closing a gap formed between the opening and closing door and the edge portion of the opening portion when the opening portion is closed by the opening and closing door, is provided; the lip seal comprises a side extending from a tip of the opening and closing door at a first non-zero acute angle and a plurality of substantially parallel extending portions extending from the side of the lip seal at a second non-zero acute angle with respect to a plane parallel to a surface of the side of the lip seal, the plane extending along the tip of the opening and closing door.