Suction tube for internal combustion engine, particularly of motor vehicle, has suction tube channel and flap unit arranged in suction tube channel for selectively opening or closing channel

摘要

The suction tube (10) has a suction tube channel and a flap unit arranged in the suction tube channel for selectively opening or closing the channel. A radial extension (20) of the inner diameter of the suction tube channel is formed in the suction tube channel with flaps (14) over a predetermined axial section of the suction tube channel. The internal diameter of the radial extension is larger than the external diameter of the bearing latch (16). A flap with a bearing latch is provided in the extension. The bearing latch seals the suction tube channel against a gap (24). An independent claim is included for a flap unit with a bearing latch and a flap shaft that are movably mounted in an axial direction.