Crankcase with integrated exhaust chambers

US6477991B2 · kind B2 · utility

Assignee

• MAN Nutzfahrzeuge AG · DE

Inventors

• Heribert Moller · Sachsen bei Ansbach, DE
• Josef Winter · Karlsruhe, DE

Key dates

• Filing date: May 17, 2001
• Grant date: Nov 12, 2002
• Expiry date: May 17, 2021

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01M13/04
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A crankcase with integrated exhaust chambers and crank chambers partitioned from one another by partitions is provided and includes a plurality of cylinder liners and a plurality of bores each for receiving therein one of the cylinder liners. The crankcase also includes plenum chambers extending lengthwise on both sides of the crankcase for passage thereinto of the blow by and a plurality of bands each for partitioning off the plenum chambers relative to a respective crank chamber in cooperation with the cylinder liners. Window openings in the partition walls and transition passages associated with a respective one of the plenum chambers effect the connection of the crank chambers with the plenum chambers.