Patent ID: 7475720

Claim:
A vehicular air conditioner comprising: cooling means for cooling air and supplying the cooled air; heating means for heating air and supplying the warmed air; a one-piece air mixing door which is displaceably positioned between said cooling means and said heating means, divides said cooled air depending on a position of said air mixing door, and supplies said cooled air to a mixing region and said heating means, respectively, said air mixing door mixing the cooled air and the warmed air with each other at a predetermined mixing ratio in said mixing region; outlets for delivering the air mixed at said predetermined mixing ratio into respective regions; a first passage for supplying said cooled air from said cooling means to said mixing region; a second passage for supplying said cooled air from said cooling means to said heating means, said air mixing door being displaceably disposed between said first passage and said second passage; a third passage for supplying said warmed air from said heating means to said mixing region; and a guide assembly disposed on a surface of said air mixing door which faces said mixing region, for changing the direction of said cooled air supplied from said first passage toward said mixing region while changing the direction of said warmed air supplied from said third passage toward said mixing region thereby to mix said cooled air and said warmed air with each other.