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CN101660586A 曲轴的平衡重系统 无效 - 撤回

曲轴的平衡重系统
摘要：
曲轴的平衡重系统，包括第一平衡重，其中，该第一平衡重的质心分布在与水平线成大约+78到大约+82度角的范围内，第九平衡重，其中，该第九平衡重的质心分布在大约-82到大约-78度角的范围内，第二平衡重，其中，该第二平衡重的质心分布在大约+86.5到大约+89度角的范围内，第八平衡重，其中，该第八平衡重的质心分布在大约-89到大约-86.5度角的范围内，以及至少一个平衡重组，其中，该平衡重组的旋转惯性力矩大小是第一或第九平衡重的大约13％到大约17％，其中，第二和第八平衡重的旋转惯性力矩大小是第一和第九平衡重的大约15％到大约25％。
摘要（英）：

A balance weight system of a crankshaft includes a first balance weight in which a mass center thereof ranges from approximately +78 to approximately +82 degrees based on the horizontal line, a ninthbalance weight in which a mass center thereof ranges from approximately -82 to approximately -78 degrees, a second balance weight in which a mass center thereof ranges from approximately +86.5 to approximately +89 degrees, a eighth balance weight in which a mass center thereof ranges from approximately -89 to approximately -86.5 degrees, and at least one balance weight group of which size of rotational inertia moment thereof ranges from approximately 13 to approximately 17% compared with the first or ninth balance weight, wherein rotational inertia moment size of the second and eighth balanceweights ranges from approximately 15 to approximately 25% compared with the first and ninth balance weights.

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