Mahle International Gmbh

Frank Rohde

Stefan Ruppel

Yakup Özkaya

Hendrik Von Merkatz

Leszek Goerlich

Andreas Enderich

Hartmut Sauter

Niklas Kull

Dimitri An

Jan Scheffel

Yakup Oezkaya

Bernd Dressler

Sebastian Barthelmess

Corinna Krampe

Harmut Sauter

Dr Hartmut Sauter

An air filter may include a bellows made of an air-permeable filter medium, which is folded in a longitudinal direction to form a plurality of folds, for filtering air, and a supporting frame for supporting the bellows. The supporting frame may be a substantially closed comb-like ring having a plurality of supporting teeth. At least two supporting teeth adjacent in the longitudinal direction may fix at least two folds of the bellows also adjacent in the longitudinal direction to a predefined distance from each other. The comb-like ring may include two fold blades and two outer bands connecting the fold blades. The fold blades may be inserted in a transverse direction running transversely to the longitudinal direction into respective end folds of the bellows. The two outer bands may have the supporting teeth, including high supporting teeth and low supporting teeth.

Air filter

A vehicle may include an internal combustion engine having a crankcase and a crankcase ventilation device. The crankcase ventilation device may have at least one oil separating device and an oil return that feeds separated oil back to the crankcase. The vehicle may include a conveying device for driving a fluid other than blow-by gas. The conveying device may also drive the blow-by gas in the crankcase ventilation device.

Crankcase ventilation device

Growing community of inventors

Kernen, Germany

Frank Rohde