Filterwerk Mann + Hummel Gmbh

Eckehard Mandel

Thomas Jessberger

Herbert Pietrowski

Helmut Neuschwander

Ingo Koch

An intake manifold ( ) for a multi-cylinder internal combustion engine includes a tubular intake distributor ( ) from which a plurality of long intake tubes ( ) extend and lead to the individual cylinders. Short intake tubes ( ) likewise extend from the intake distributor and open into the respective associated long intake tubes ( ). The intake distributor ( ) and the long and short intake tubes ( ) are formed from a one-piece housing ( ) which has a cavity ( ) which intersects the short intake tubes ( ). In this cavity ( ) a control element ( ) is installed, which includes flaps ( ), flap frames ( ), a shaft ( ) and a control element frame ( ). By moving the shaft ( ) either rotationally or translationally, the short intake tubes ( ) can be opened or closed. In contrast to arrangements known in the prior art, the control element ( ) has no sealing elements which can catch or jam during assembly. Additionally, the arrangement of the flaps ( ) on a continuous shaft ( ) provides a space-saving apparatus.

Growing community of inventors

Ludwigsburg, Germany

Eckehard Mandel