The cylinder liner has a piston that is disposed in the operating and installation state between a top dead center and a bottom dead center, such that the piston is movable to-and fro along a cylinder axis (A) of the cylinder liner. The upper side of the p...

A multi-cylinder engine is provided with a crankcase integrated cylinder block which includes a cylinder block including a plurality of cylinder bores, a plurality of crank chambers formed by an upper crankcase and a lower crankcase, a bulkhead that partit...

The piston comprises a shaft (6) with a sliding face (8), which stands in sliding contact in the combustion engine (2) with a cylinder bearing surface (10). The sliding face of the shaft comprises a smooth surface with a rough depth below two micrometer. T...

A cylinder block for constituting an engine such as a diesel engine, comprises a cylinder portion (31) housing a piston (33); and a skirt portion (32) covering a crankshaft (25). The skirt portion (32) is curved, and ribs (61,62) are formed on the inside o...