Patent ID: 7392837

Claim:
An integral-type heat exchanger for an automobile, comprising: a first heat exchanger including: a pair of first tanks, at least one of said first tanks having a surface section perpendicular to a first surface thereof in which a plurality of first tube insertion holes are formed; and a plurality of first tubes to be inserted into said first tube insertion holes so as to connect said pair of first tanks; a second heat exchanger including: a pair of second tanks, each second tank having a substantially circular cross section and having a plurality of second tube insertion holes; and a plurality of second tubes to be inserted into said second tube insertion holes so as to connect said pair of second tanks; and a plurality of fins disposed between a plurality of first tubes and between a plurality of second tubes; wherein axes of said first and second tube insertion holes are held in parallel with each other, and said first and second heat exchangers and said plurality of fins are mounted on the automobile at the same time while said surface section of at least one of said first tanks is brought into contact with at least one of said second tanks, wherein one of said first and second tubes is longer than the other.