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公开(公告)号：US08689752B2
公开(公告)日：2014-04-08
申请号：US13687145
申请日：2012-11-28
Applicant: Honda Motor Co., Ltd.
Inventor： Yasushi Shimazaki , Takeshi Maeda
Abstract: A vertical-type air-cooled OHV engine includes a valve operating system and has a shroud guiding cooling air, which is generated by a cooling fan driven by a crankshaft such that the cooling air flows in an up-down direction with respect to a cylinder head. Intake and exhaust valves are arranged respectively on opposite sides of a vertical plane that is parallel to an axis of the crankshaft and that includes an axis of a cylinder bore. Accordingly, it is possible to provide a vertical-type air-cooled OHV engine capable of evenly cooling both of intake and exhaust valves without changing a route of cooling air.
Abstract translation: 立式风冷OHV发动机包括阀操作系统，并且具有引导冷却空气的导流罩，该冷却空气由由曲轴驱动的冷却风扇产生，使得冷却空气相对于气缸的上下方向流动 头。 进气阀和排气阀分别布置在平行于曲轴的轴线并且包括气缸孔的轴线的垂直平面的相对侧上。 因此，可以提供能够在不改变冷却空气的路线的情况下均匀地冷却进排气阀的立式空冷式OHV发动机。
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公开(公告)号：US20130133597A1
公开(公告)日：2013-05-30
申请号：US13687145
申请日：2012-11-28
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yasushi Shimazaki , Takeshi Maeda
IPC: F01L1/047
Abstract: A vertical-type air-cooled OHV engine includes a valve operating system and has a shroud guiding cooling air, which is generated by a cooling fan driven by a crankshaft such that the cooling air flows in an up-down direction with respect to a cylinder head. Intake and exhaust valves are arranged respectively on opposite sides of a vertical plane that is parallel to an axis of the crankshaft and that includes an axis of a cylinder bore. Accordingly, it is possible to provide a vertical-type air-cooled OHV engine capable of evenly cooling both of intake and exhaust valves without changing a route of cooling air.
Abstract translation: 立式风冷OHV发动机包括阀操作系统，并且具有引导冷却空气的导流罩，该冷却空气由由曲轴驱动的冷却风扇产生，使得冷却空气相对于气缸的上下方向流动 头。 进气阀和排气阀分别布置在平行于曲轴的轴线并且包括气缸孔的轴线的垂直平面的相对侧上。 因此，可以提供能够在不改变冷却空气的路线的情况下均匀地冷却进排气阀的立式空冷式OHV发动机。
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