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    • 21. 发明授权
    • Valve-operating mechanism in engine
    • 发动机阀门操作机构
    • US06725820B2
    • 2004-04-27
    • US10218174
    • 2002-08-14
    • Keita ItoYasutake RyuTetsuya Arai
    • Keita ItoYasutake RyuTetsuya Arai
    • F01L310
    • F01L1/185F01L1/024F01L1/053F01L1/462F01L2001/0535F01L2101/00
    • A valve-operating mechanism includes cam followers carried on an engine body 1 with their tip ends being in sliding contact with the cam, rocker arms integrally connected to the cam followers and carried on the engine body coaxially with said cam followers with their tip ends being connected to valves, and valve springs for biasing the valves in closing directions. In the valve-operating mechanism, auxiliary springs are connected to the cam followers for biasing and turning the cam followers in the same directions as directions in which the valve springs bias and turn the rocker arms through the valves. Thus, a couple of forces generated over the axis of the cam follower and the rocker arm due to biasing force of the valve spring can be offset in a valve-closing process.
    • 一种阀门操作机构包括:承载在发动机主体1上的凸轮从动件,其末端与凸轮滑动接触,摇臂与凸轮从动件一体地连接,并与其凸起从动件同轴地承载在发动机本体上, 连接到阀门,以及阀门弹簧,用于沿关闭方向偏压阀门。 在阀门操作机构中,辅助弹簧连接到凸轮从动件,用于沿着与弹簧偏压的方向相同的方向偏压和转动凸轮从动件,并使摇臂通过阀。 因此,由于阀弹簧的偏压力而在凸轮从动件和摇臂的轴线上产生的一对力可以在阀关闭过程中偏移。
    • 22. 发明授权
    • Seal structure between cylinder head and head cover in engine
    • 发动机气缸盖与头盖之间的密封结构
    • US06547254B2
    • 2003-04-15
    • US09898447
    • 2001-07-05
    • Keita ItoTakao NishidaTetsuya AraiShigeki Edamatsu
    • Keita ItoTakao NishidaTetsuya AraiShigeki Edamatsu
    • F02F1100
    • F02F1/002F02B63/02F02B2075/027F02B2275/20F02F11/002Y10S277/91
    • A seal structure in an engine, including a seal member interposed between a cylinder head having a slanting face portion at least at an intermediate portion of its upper end face to which a valve-operating cam chamber opens, and a head cover coupled to the upper end face of the cylinder head by a bolt to close the valve-operating cam chamber. The head cover has a fit wall portion formed thereon and fitted to an inner peripheral surface of the valve-operating cam chamber, and the seal member is mounted in a seal groove provided in an outer peripheral surface of the fit wall portion to come into close contact with an inner peripheral surface of the cylinder head. Thus, an interference can be provided equally at various portions of the seal member irrespective of the number of bolts used, and the seal member can always exhibit a good seal function.
    • 一种发动机中的密封结构,包括密封构件,该密封构件设置在具有倾斜面部的气缸盖之间,所述气缸盖的上端面的至少一个中间部分与阀操作凸轮室打开;以及头盖, 气缸盖的端面通过螺栓封闭气门操作凸轮室。 头罩具有形成在其上的配合壁部,并且嵌合在气门操作凸轮室的内周面上,密封部件安装在设置在配合壁部的外周面的密封槽内,使其闭合 与气缸盖的内周面接触。 因此,与密封件的数量无关地可以在密封件的各个部分上均匀地设置干涉,并且密封件总是能表现出良好的密封功能。
    • 24. 发明授权
    • Handheld type four-cycle engine
    • 手持式四冲程发动机
    • US06505596B2
    • 2003-01-14
    • US09798038
    • 2001-03-05
    • Keita ItoTakao Nishida
    • Keita ItoTakao Nishida
    • F01M100
    • F02B67/06F01M1/04F01M9/06F01M11/065F02B63/02F02B2075/027F02B2275/20
    • In a handheld type four-cycle engine, the lubricating system includes an oil tank placed outside an engine main body, a through hole providing communication between the oil tank and a crank chamber, an oil feed pipe placed outside the engine main body and providing communication between the crank chamber and a valve operation chamber of a cylinder head, an oil return pipe placed outside the engine main body and providing communication between the valve operation chamber and the oil tank, and a one-way valve for transferring oil from the crank chamber to the valve operation chamber side via the oil feed pipe. The side walls of the engine main body can thus be made thinner and the weight of the engine main body can therefore be reduced regardless of the presence of the oil feed pipe and the oil return pipe.
    • 在手持式四冲程发动机中,润滑系统包括放置在发动机主体外部的油箱,在油箱和曲轴室之间提供连通的通孔,设置在发动机主体外部的供油管, 在曲轴室和气缸盖的气门操作室之间,设置在发动机主体外部并且提供阀操作室和油箱之间的连通的回油管,以及用于从曲柄室输送油的单向阀 通过供油管连接到阀操作室侧。 因此,不管供油管和回油管是否存在,发动机主体的侧壁能够变得更薄,因此能够减小发动机主体的重量。
    • 26. 发明申请
    • VEHICLE LOWER STRUCTURE
    • 车辆下部结构
    • US20150274224A1
    • 2015-10-01
    • US14426559
    • 2013-12-10
    • Keita ITOShinya WATANABEHirokatsu FUKUNAGAAkihiko ISHIKAWA
    • Keita ItoShinya WatanabeHirokatsu FukunagaAkihiko Ishikawa
    • B62D35/02
    • B62D35/02B62D25/18Y02T10/88
    • A vehicle lower structure includes a plurality of spat body portions and a guide portion. The spat body portions are provided side by side in a vehicle longitudinal direction on a vehicle front side of a wheel, are protruded from an underfloor of the vehicle toward a vehicle lower side, and extend in a vehicle width direction. The guide portion constitutes vehicle-width-direction outer regions of the spat body portions in at least one of second and subsequent rows from a vehicle rear side, is inclined toward the vehicle rear side and outward in the vehicle width direction to guide a traveling wind, and has a vehicle-width-direction outer end that is arranged more outward in the vehicle width direction than a vehicle-width-direction outer end of the spat body portion that is adjacent to the vehicle rear side.
    • 车辆下部结构包括多个臀部部分和引导部分。 在车辆的车辆前侧沿车辆纵向方向并排设置的臀部部分从车辆的地板下方朝向车辆下侧突出,并且在车辆宽度方向上延伸。 引导部分构成从车辆后侧到第二列和后续列中的至少一个中的臀部部分的车宽方向外部区域,朝向车辆后侧倾斜并且在车辆宽度方向上向外引导行驶风 并且具有比与车辆后侧相邻的臀部部分的车宽方向外端在车宽方向上更向外配置的车宽方向外端。