Patent ID: 7299787
Filing Date: 2007-11-27
Classification: F02M,Y02T

Abstract:
1. An internal combustion engine intake device comprising: a regulating chamber having a regulating valve configured and arranged to rotate about a rotational axis to regulate a quantity of fresh air flowing therethrough; an intake air collector fluidly communicating with the regulating chamber at a position downstream of the regulating valve; an air induction pipe arranged between the regulating valve and the intake air collector to fluidly communicate the regulating chamber with the intake air collector, the air induction pipe including a partitioning part arranged and configured to divide a space inside the air induction pipe into a first air induction space and a second air induction space, the partitioning part having an upstream end portion that is slanted with respect the rotational axis of the regulating valve; and a gas introducing pipe configured and arranged to introduce a first gas into a space inside the air induction pipe at a position disposed between the regulating valve and the partitioning part.