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11. 发明授权

US6109230A Decompression device for an engine 失效
标题翻译：发动机减压装置
公开(公告)号：US6109230A
公开(公告)日：2000-08-29
申请号：US152226
申请日：1998-09-11
申请人： Mitsunori Watanabe , Kenji Imafuku , Takanobu Koguchi
发明人： Mitsunori Watanabe , Kenji Imafuku , Takanobu Koguchi
IPC分类号： F01L13/08 , F02N3/02
CPC分类号： F01L13/08
摘要： A cam gear is mounted on a camshaft, and an intake cam and an exhaust cam are formed on the cam gear for operating an intake valve and an exhaust valve of a hand starting four-cycle engine. A decompression device is rotatably mounted in the cam gear. A decompression cam of the decompression device is exposed from the exhaust cam. The decompression device has a weight, and a spring is provided for urging the weight to the cam shaft. Elastic force of the spring is set so that the weight is urged toward the camshaft in hand starting operation of the engine and moved apart from the camshaft by centrifugal force, thereby projecting the decompression cam in the compression stroke of the engine as to open the corresponding valve.
摘要翻译：凸轮齿轮安装在凸轮轴上，并且进气凸轮和排气凸轮形成在用于操作起动四冲程发动机的进气门和排气门的凸轮齿轮上。减压装置可旋转地安装在凸轮齿轮中。减压装置的减压凸轮从排气凸轮露出。减压装置具有重量，并且设置有用于将重物推压到凸轮轴的弹簧。弹簧的弹性力被设定为使得重量在发动机的手动启动操作中被推向凸轮轴并通过离心力从凸轮轴移开，从而将减压凸轮在发动机的压缩冲程中突出以打开相应的阀。

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