Patent ID: 6786816
Filing Date: 2004-09-07
Classification: B60H

Abstract:
An inside/outside air switching device for an air conditioning unit of a vehicle comprising:a case defining an air passage through which air flows, the case forming a first port through which inside air inside a compartment is introduced and a second port through which outside air outside the compartment is introduced; a rotary door rotatably supported in the case for selectively opening and closing the first port and the second port, wherein the rotary door includes a rotation shaft, a periphery wall moved about a rotation shaft, and side walls connecting between axial ends of the periphery wall and the rotation shaft, wherein in an air mixing mode the rotary door is disposed such that the periphery wall projects toward the second port by a predetermined distance so that the rotary door partially opens the first port and mainly opens the second port; and a cover member disposed to cover a projected portion of the periphery wall.