A crankshaft (1) for a reciprocating piston engine (10) or compressor. The crankshaft (1) has a plurality of throws (2) that are interconnected by main journals. The main journals (5) have a main journal bearing surface with a given width (W) between the t...

The arrangement (1) comprises an exhausting device (5) that is provided for removal (6) of the exhaust air (2) in the housing (3) of a heat engine (4). A transmission unit (7) is provided for transmission (11) of the thermal energy of the exhaust air exhau...

A bearing holding portion supporting a crankshaft in a manner to rotate freely via a bearing and fittingly holding the bearing is formed in a crankcase. A second cross section (S2) passing through a crankshaft axis line and along an orthogonal direction to...

A thrust bearing segment that can improve the load-bearing ability of a thrust bearing is provided. A thrust pad (18) supports a thrust collar (17) while resisting a load in a rotation axis direction acting on the thrust collar (17) provided on the cranksh...

A cylinder block structure with a small number of ribs is provided which can favorably prevent the deformation of a crankshaft bearing portion and the like. In a cylinder block 1 having bolt holes 3 formed on the upper surface for connecting a cylinder hea...

Large crosshead diesel engine comprises a base plate (2) provided with a single-walled transverse support element (12). Preferred Features: The transverse supporting walls (7) of at least one support body (6) are arranged parallel to each other or form a V...

A case member mounting structure, in which a case member (5) is mounted to an engine body (2, 3, 4) by fixing an outer circumference of the case member (5) to the engine body(2, 3, 4) with a plurality of fastening means (34) to cover a power transmission m...