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    • 96. 发明授权
    • Intake valve structure for internal combustion engine
    • 内燃机进气阀结构
    • US4624222A
    • 1986-11-25
    • US721577
    • 1985-04-10
    • Masaaki Yoshikawa
    • Masaaki Yoshikawa
    • F01L1/00F01L1/18F01L1/26F02B1/04F02F1/24F02F1/42
    • F02F1/4221F01L1/18F01L1/265F02B1/04F02B2275/18F02F2001/245
    • Several embodiments of valve arrangements for internal combustion engines that permit the use of three intake valves per cylinder while maintaining a small clearance volume and minimum surface area for the cylinder head. This is accomplished by positioning two of the valves so that their axes are inclined at a different angle to the line of reciprocation of the piston and which axes define a plane that intersects the axis of reciprocation of the remaining intake valve and which is positioned at a lesser angle to the axis of reciprocation. The head of the third valve is disposed at a lesser distance from the line of intersection than the heads of the other two valves so as to achieve the desired compactness. In some embodiments of the invention, the valves are operated directly and in others they are operated via rocker arms. In addition, a rocker arm arrangement is provided that permits the use of five valves per cylinder actuated by a single centrally positioned camshaft while still affording the possibility of a central spark plug location and easy servicing of the spark plug.
    • 用于内燃机的阀装置的几个实施例,其允许每个气缸使用三个进气阀,同时保持气缸盖的小间隙体积和最小表面积。 这通过将两个阀定位成使得它们的轴线以与活塞的往复运动线成不同的角度倾斜,并且哪些轴线限定了与剩余进气门的往复运动轴线相交的平面,并且位于 与往复运动轴的角度较小。 第三阀的头部设置在与其他两个阀的头部相距较小的距离处,以实现所需的紧凑性。 在本发明的一些实施例中,阀直接操作,而在另一些实施例中,它们通过摇臂操作。 此外,提供了一种摇臂装置,其允许使用由单个中心定位的凸轮轴致动的每个气缸的五个阀,同时仍然提供中心火花塞位置和容易维修火花塞的可能性。