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    • 51. 发明授权
    • Four-cycle engine
    • 四冲程发动机
    • US4660529A
    • 1987-04-28
    • US369665
    • 1982-04-19
    • Masaaki Yoshikawa
    • Masaaki Yoshikawa
    • F01L1/053F01L1/26F02B1/04F02B75/02F02F1/24F02F1/42F02M35/10
    • F02F1/4221F01L1/0532F01L1/265F01L2001/0537F02B1/04F02B2075/027F02B2275/18F02F2001/245
    • Several embodiments of cylinder head and valve train configurations for an overhead valve internal combustion engine that permits increased valve area without interference and while maintaining simplified valve actuation. In each embodiment one pair of valves is operated by one cam shaft and lies on one side of a plane containing the axis of the cylinder. Three other valves are positioned primarily on the other side of the plane and reciprocate about axes that are not parallel with each other. These axes, however, intersect so that each of these three valves may be operated by the same cam shaft. In one embodiment of the invention the intersection of the valves axis is coincident with the axis of rotation of the respective cam shaft so as to permit direct actuation of the valves. In another embodiment the intersection lies substantially along a plane that intersects the stems of the valves when they are closed to facilitate operation of multiple valves from a single cam lobe by means of a single rocker arm.
    • 用于顶置阀内燃机的气缸盖和气门机构配置的几个实施例,其允许增加阀面积而不受干扰并且同时维持简化的阀致动。 在每个实施例中,一对阀由一个凸轮轴操作并位于包含气缸轴线的平面的一侧。 另外三个阀门主要位于平面的另一侧,并且绕彼此不平行的轴线往复运动。 然而,这些轴相交,使得这三个阀中的每个可以由相同的凸轮轴操作。 在本发明的一个实施例中,阀轴线的相交与相应凸轮轴的旋转轴线重合,以允许阀的直接致动。 在另一个实施例中,当它们关闭时,相交部分基本上沿着与阀杆相交的平面,以便于借助于单个摇臂从单个凸轮凸角操作多个阀。
    • 52. 发明授权
    • Multi-cylinder internal combustion engine of fuel injection type
    • 燃油喷射型多缸内燃机
    • US4323041A
    • 1982-04-06
    • US57095
    • 1979-07-12
    • Yoshinori EndoMasaaki Yoshikawa
    • Yoshinori EndoMasaaki Yoshikawa
    • F02B31/00F02B31/08F02M35/10F02M35/108F02M69/00F02M69/04
    • F02M35/10216F02B31/08F02M35/10085F02M35/10111F02M35/10177F02M35/108F02M35/112F02B2275/18F02M35/10386Y02T10/146
    • An induction system for a multiple cylinder internal combustion engine embodying a simplified fuel injection arrangement that reduces the number of injection nozzles. The engine is provided with a relatively large cross sectional area main induction system and a relatively small cross sectional area auxiliary induction system. A valving arrangement is incorporated so that a major portion of the engine charge requirements are supplied to the chambers through auxiliary induction system at idle and low speed. As a result, turbulence in the combustion chamber at the time of ignition is increased to provide improved fuel economy and exhaust emission control. One fuel injection nozzle is positioned in an inlet passage of the auxiliary induction system which serves a plurality of chambers. In this way, one injection nozzle can serve multiple chambers without adversely affecting mixture distribution. In accordance with another embodiment of the invention, pairs of injection nozzles are provided in this common inlet which are fired alternately so that each nozzle serves separate cylinders.
    • 一种用于实现简化的燃料喷射装置的多气缸内燃机的感应系统,其减少喷射喷嘴的数量。 发动机设有相对较大的横截面积的主感应系统和相对小的横截面积的辅助感应系统。 结合了阀装置,使得主要部分的发动机充气要求通过辅助感应系统在空转和低速下被供应到室。 结果,在点火时燃烧室中的湍流增加,以提供改进的燃料经济性和废气排放控制。 一个燃料喷射喷嘴位于辅助感应系统的入口通道中,该辅助感应系统用于多个室。 以这种方式,一个注射喷嘴可以服务于多个室,而不会不利地影响混合物分布。 根据本发明的另一个实施例,在这个共同的入口中设置成对的喷嘴,这些注入喷嘴交替地被点燃,使得每个喷嘴用于分开的气缸。