Patent ID: 9086031
Filing Date: 2015-07-21
Classification: F02B,F02F,F05C

Abstract:
1. A cylinder block, comprising: a plurality of cylinder bores; a plurality of inserts, each adjacent pair of inserts of the plurality inserts partitioning each cylinder bore of the plurality of cylinder bores; and a crankcase disposed below the cylinder block in a vertical direction; each insert of the plurality of inserts spanning a vertical length of the cylinder block and extending throughout a cylinder head disposed above the cylinder block, each insert having an upper portion, a cap disposed below the upper portion, the cap cracked from the upper portion at a pair of cracks and rejoined to the upper portion by one or more fastening devices, the upper portion having one or more upper bosses, each upper boss having a surface with extruded, circumferentially-extending serrations, and one or more cap bosses positioned below the one or more upper bosses, the one or more upper bosses and the one or more cap bosses positioned above the pair of cracks.