Patent ID: 6408810
Filing Date: 2002-06-25
Classification: F02B,F02M,Y02T

Abstract:
An air intake device for an internal combustion engine, said device comprising at least one collection manifold and a plurality of intake tubes which branch separately from the collection manifold to individual cylinders of the internal combustion engine, wherein each of the intake tubes extends to the collection manifold and is formed at least partially by an adjustable element, wherein said intake tubes each comprise a plurality of segments at least one of which is independently moveable relative to at least one other segment, wherein each intake tube comprises successive first, second and third elements which can be coupled together at coupling points, wherein the first element is a stiff element, the second element is a rotatable or longitudinally displaceable element, and the third element is a stiff element, and wherein the rotatable or longitudinally displaceable second element comprises variable-length portions at the coupling points.