发明名称 |
IN-LINE FOUR-CYLINDER ENGINE FOR VEHICLE AND VEHICLE PROVIDED WITH THE ENGINE |
摘要 |
<p>[Problem] To improve a degree of freedom in designing an engine, improve an acceleration feeling and make a driving sense extremely good as well as to make the engine compact. [Means for Resolution] A two-plane type crankshaft 3 is provided. The weight of crank webs for the respective cylinders is divided between left and right half webs (1a and 1b to 24a and 24b) and balance ratios k L and k R of the half webs for the respective cylinders are set so as to be (k L - 0.25) · (0.25 - k R ) ‰ D R / D L to form a track of a vector of a primary inertial couple into a substantial circle. A primary balancer 6 offsets the primary inertia couple.</p> |
申请公布号 |
EP1710466(B1) |
申请公布日期 |
2012.03.07 |
申请号 |
EP20050703454 |
申请日期 |
2005.01.12 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
NISHI, KENGO;FURUSAWA, MASAO |
分类号 |
F16F15/24;F02B77/00;F16F15/26;F16F15/28 |
主分类号 |
F16F15/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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