| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing structure capable of meeting two contradictory requirements as an operation with higher rotating speed and a reduction of the friction loss by equipping the bearing structure with a lower sliding speed and a higher rigidity of a crank shaft while the installing easiness is enhanced and the cost is reduced. SOLUTION: An integrally molded float bearing 31 is interposed between a crank pin 17 and the major end part 25, an integrally molded float bearing 58 is interposed between a first journal shaft 61 and first main bearing parts 56 and 57, and an integrally molded float bearing 92 is interposed between a second journal shaft 93 and second main bearing parts 88 and 91, respectively. COPYRIGHT: (C)2006,JPO&NCIPI
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