Patent ID: 6823838
Filing Date: 2004-11-30
Classification: F02B,F02D,F02M,Y02T

Abstract:
An intake device for intake air of an internal combustion engine, said intake device comprising:an intake manifold including intake lines of different lengths, wherein the intake lines lead to outlets of a cylinder head of the engine; a switching assembly for closing at least a portion of said intake lines, the switch assembly being insertable into the intake manifold through an opening of the intake manifold, the switching assembly comprising, a plurality of closure elements arranged in passages formed by frames for the closure elements, said closure elements being produced by molding in mold cavities defined at least partially by partial surfaces of the respective frames, and a support member for accommodating a plurality of said frames, each frame having a passage for the intake air, the frames being adjacently arranged in the support member, and the passages corresponding to the intake lines, wherein each closure element includes a bearing shaft which is formed in one piece therewith and which defines an individual rotational axis for the respective closure element; and an actuator for actuating the closure elements of the switching assembly using cranks.