Arrangement for controlling fluid flow in channel, e.g. engine inlet channel, has control element in annular groove in body and/or in channel wall, or in element forming channel wall, in open position

摘要

The arrangement has a control element (8) adjustable between channel (2) opening and closing positions and a flow element (3) in the channel forming an annular channel that is closed by the control element in the closed position. The control element is arranged in an annular groove in the body and/or in an annular groove (7) in the wall (4) of the channel, or an element forming the wall in this region, in the open position.