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US 6,647,945 B2Granted
Structure of bearing housing of cylinder block
AssigneeFuji Jukogyo Kabushiki Kaisha
InventorKenji Harima
Life of this patent
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Abstract
A structure of bearing housings of a cylinder block comprises aluminum alloy for constituting the whole cylinder block and a plurality of fiber reinforced metal (FRM) areas. The FRM areas are formed by integrally casting a sheet-like preform containing reinforced metal fibers with aluminum alloy. A plurality of such sheet-like preforms are separately provided in a bearing housing in an axial direction of a crankshaft.
Claims7
A structure of a bearing housing of a cylinder block of an internal combustion engine for supporting a crank journal of a crankshaft through a metal bearing, comprising:
- a base material for constituting said cylinder block;
- and
- a plurality of fiber reinforced metal areas containing reinforced metal fibers separately buried in said base material of said cylinder block and arranged in a transverse direction of said crankshaft.
Dependencies are inferred from the claim text.