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1. 发明授权

US5199395A Four-cycle engine 失效
标题翻译：四循环发动机
公开(公告)号：US5199395A
公开(公告)日：1993-04-06
申请号：US773046
申请日：1991-10-07
申请人： Sakae Mizumura , Tsunenori Fukumoto , Susumu Mizuno , Yasuo Shimura , Takahiro Kudoh , Jiro Shimizu
发明人： Sakae Mizumura , Tsunenori Fukumoto , Susumu Mizuno , Yasuo Shimura , Takahiro Kudoh , Jiro Shimizu
IPC分类号： F01M1/10 , F01M5/00 , F01M11/03 , F02B1/04 , F02B61/02 , F02B75/02 , F02B75/18 , F02F1/24 , F02F1/42 , F02F7/00 , F16H7/08
CPC分类号： F01M5/002 , F01M1/10 , F02F1/4214 , F01M2001/1092 , F02B1/04 , F02B2075/027 , F02B2075/1816 , F02B2275/18 , F02B61/02 , F02F2001/245 , F02F7/006 , F16H2007/0812
摘要： A motorcycle engine having an exhaust passage air introduction system. Each cylinder includes two exhaust passages which are joined at a point displaced from the engine. Air is introduced into one of the exhaust passages of the two so as to more fully combust the unburned gasses within the exhaust passage and then to more fully combust the unburned exhaust in the joined passage. The timing of the valves associated with each exhaust passage is such that the valve associated with the passage having the air inlet has advance timing. A chain tensioner for the timing chain includes a tensioner cylinder hydraulically actuated by the engine oil. A gasket having an orifice therein is positioned between components in the oil passageway extending to the tensioner cylinder. The oil cooling system of the engine includes an oil filter and an oil cooler which are displaced from one another and mounted to a common base which is in turn mounted to the engine. The base includes passageways to direct oil into and out of each of these components.
摘要翻译：具有排气通道空气导入系统的摩托车发动机。每个气缸包括两个排气通道，这两个排气通道在从发动机排出的点处连接。将空气引入两者的排气通道之一，以便更完全地燃烧排气通道内的未燃烧气体，然后使接合通道中未燃烧的排气更完全燃烧。与每个排气通道相关联的阀的定时使得与具有空气入口的通道相关联的阀具有提前定时。用于正时链的链条张紧器包括由发动机机油液压致动的张紧器气缸。在其中具有孔口的垫圈定位在延伸到张紧器气缸的油通道中的部件之间。发动机的油冷却系统包括油过滤器和油冷却器，油过滤器和油冷却器彼此偏移并且安装到共同的底座上，公共底座依次安装在发动机上。底座包括将油引入和排出每个这些部件的通道。

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