Patent ID: 7004137

Claim:
A V-type multiple-cylinder air intake device comprising: a first intake collector configured and arranged to receive intake air; a second intake collector configured and arranged to receive intake air; a plurality of first branch pipes extending from the first intake collector to a respective intake ports of a first bank of first cylinders, the first bank being disposed closer to the second intake collector than to the first intake collector; a plurality of second branch pipes extending from the second intake collector to respective intake ports of a second bank of second cylinders, the second bank being disposed closer to the first intake collector than to the second intake collector; a plurality of first intake crossover passages extending from the first intake collector to merge with an upstream portion of a respective one of the second branch pipes; and a plurality of second intake crossover passages extending from the second intake collector to merge with an upstream portion of a respective one of the first branch pipes, the first and second branch pipes being configured as separate, non-fluidly communicating passages such that the intake air flowing through the first branch pipes does not mix with the intake air flowing through the second branch pipes.