Patent ID: 7967032

Claim:
An entrance/exit piping structure supplying pressurized air from a supercharger to an intercooler; the pressurized air being cooled in the intercooler to increase its density and being fed to an engine body, wherein the entrance/exit piping structure is formed of a plurality of pipes; one pipe end portion adapted to be coupled to a supercharger-side or an engine body-side has the plurality of pipes combined to have a contour approximately the same as a contour of each of the plurality of pipes, and a generally middle portion of the entrance/exit piping structure is bent; the other pipe end portion adapted to be coupled to a header tank of the intercooler has a contour approximately the same as a contour of a coupling portion of the header tank; in part of the entrance/exit piping structure, the plurality of pipes forming the entrance/exit piping structure are arranged adjacent to each other to satisfy the requirements of space and strength; the entrance/exit piping structure includes an entrance pipe and an exit pipe; a cross-sectional shape of the generally middle portion of each of the plurality of pipes is circular; and the plurality of pipes are laterally arranged immediately adjacent each other in the generally middle portion of the entrance/exit piping structure.