| 摘要 |
PROBLEM TO BE SOLVED: To provide a link geometry of a multilink engine for minimizing an input load to a crank journal when a piston exists in the vicinity of the bottom dead center. SOLUTION: This link geometry of the multilink engine comprises an upper link 11, a lower link 12 and a control link 13, and is characterized in that when the piston 32 exists in the vicinity of the bottom dead center, the relationship of cos(θ<SB>1</SB>+α)<cos(θ<SB>1</SB>+π) is satisfied between a lower link attitude angleθ<SB>1</SB>and a lower link attitude angleα. COPYRIGHT: (C)2009,JPO&INPIT
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