Patent ID: 7665323

Claim:
A vehicular air conditioning unit mounted on an automobile, for adjusting the temperature of air in a passenger compartment of the automobile, comprising: an evaporator; an expansion valve connected by pipes to said evaporator; a first casing accommodating said evaporator therein and having a first baffle plate; and a second casing having a second baffle plate disposed in a position that faces said first baffle plate when said second casing is connected to said first casing; said first casing having a guide groove defined therein for slidable insertion of said second baffle plate therein, wherein, when said second casing is connected to said first casing, said second baffle plate is slidably inserted in said guide groove, and said expansion valve is encircled by said first baffle plate and said second baffle plate, and wherein, when dew condensation occurs on said pipes, liquid droplets produced on said pipes are blocked by said first baffle plate and said second baffle plate, and said liquid droplets are caused to pass through said guide groove.