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发明申请
US20050279297A1 Cam for actuating a valve mechanism of an internal combustion engine 审中-公开
用于致动内燃机的阀机构的凸轮

Cam for actuating a valve mechanism of an internal combustion engine
摘要：
Cam for actuating a valve mechanism of an internal combustion engine, having a cam base circle (33), a main cam region (32) and a pre-cam region (31), which is formed between the cam base circle (33) and main cam region and directly precedes a rising section (32a) of the main cam region (32), wherein the pre-cam region (31) has a profile which effects an increase in the cam lift speed followed by a decrease in the cam lift speed followed by a further increase in the cam lift speed.
摘要（中）：

用于致动内燃机的阀机构的凸轮，具有凸轮基圆（33），主凸轮区域（32）和预凸轮区域（31），其形成在凸轮基部圆（33）和 主凸轮区域并且直接位于主凸轮区域（32）的上升部分（32a）之前，其中预凸轮区域（31）具有轮廓，其轮廓升高速度增加，随后凸轮减小 提升速度，随后凸轮提升速度进一步增加。

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