Brp-Powertrain Gmbh & Co Kg

Rene Vormuendl

Roland Ennsmann

Christian Berger

Michael Dopona

Stefan Leiber

Johann Neuboeck

Gerd Ohrnberger

An internal combustion engine has at least one intake valve and at least one exhaust valve. A first spring biases the at least one intake valve to a closed position. A second spring biases the at least one exhaust valve to a closed position. At least one of the first and second springs is an air spring. An air compressor is disposed inside the cylinder head and fluidly communicates with the air spring to supply air to the air spring. The air compressor being disposed between a crankshaft and a cylinder head cover in a direction parallel to a cylinder axis is also disclosed.

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Sierning, Austria

Rene Vormuendl