Patent ID: 6732695
Filing Date: 2004-05-11
Classification: F02B,F02D,Y02T

Abstract:
An intake manifold for a multi-cylinder internal combustion engine, said manifold comprising:an intake distributor, a plurality of adjacent first individual intake tubes extending from the intake distributor and each extending to a respective cylinder of the engine; a plurality of second, shorter individual intake tubes extending from the intake distributor and each opening into a respective first individual intake tube; a control element for blocking or unblocking said second individual intake tubes, said control element comprising at least two flaps arranged on a common shaft surrounded by flap frames and disposed in a common control element frame; said control element being installed as a complete unit in a sealed manner in said intake manifold; and said shaft with the flaps surrounded by the flap frames and the control element frame being manufactured by assembly injection molding, wherein the intake manifold is injection molded onto the control element so as to form a seal.