发明公开
EP1105665A1 KOLBEN FÜR VERBRENNUNGSKRAFTMASCHINEN 审中-公开
活塞内燃发动机

KOLBEN FÜR VERBRENNUNGSKRAFTMASCHINEN
摘要:
The invention relates to a light metal piston for internal combustion engines, with bearing bushes (4) placed in piston pin bores (2) of the pin hubs for the piston pin through which said piston is drivingly connected to the motor drive rod. In order to improve the tight fit of said bushes (4) in the piston pin bores, the piston is built in such a way that said bearing bush (4) is a bush wound from a laminated strip- or band shaped metallic material, which has a joint (6) that is closed in a compressed condition, and said wound bush exhibits a preferential orientation of the metallurgical grains thereof in a peripheral direction.
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