Abstract: A supercharged multi-cylinder internal combustion engine is provided having exhaust recycling with air supply and exhaust outlet devices, variably controllable air intake and exhaust outlet valves, a first lubricating oil circuit, and an exhaust processing cylinder having a driven piston and a variable control for air intake and exhaust outlet valves on the exhaust processing cylinder. The air intake and exhaust outlet valves on the exhaust processing cylinder are each partially opened during a downward stroke of the driven piston of the exhaust processing cylinder by a control unit. A second lubricating oil circuit is provided for the exhaust processing cylinder.
Type:
Grant
Filed:
January 29, 1996
Date of Patent:
January 27, 1998
Assignee:
MTU Motoren- und Turbinen-Union Friedrichshafen GmbH
Inventors:
Bernhard Baechle, Dieter Schoenfeld, Martin Freitag