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    • 5. 发明授权
    • Integral rocker arm hydraulic lifter and bearing assembly
    • 整体摇臂液压升降器和轴承总成
    • US4497307A
    • 1985-02-05
    • US576721
    • 1984-02-03
    • Michael S. PaarChristopher I. McCarthy
    • Michael S. PaarChristopher I. McCarthy
    • F01L1/18F01L1/24F16C21/00F16C33/10
    • F16C21/00F01L1/181F01L1/2411F16C19/50F16C2360/00
    • A rocker arm assembly for use in the valve train of an internal combustion engine of the type having a fixed rocker shaft for supporting at least one rocker arm and having an axial passage adapted to be in continuous communication with the pressurized lubricant supply of the engine and with at least one radial riser passage extending from the axial passage; the rocker arm assembly including a rocker arm having a hydraulic lash adjuster operatively positioned in a socket provided in an arm thereof and, a hybrid bearing operatively positioned in the rocker arm so as to encircle the rocker shaft over the oil riser passage. The hybrid bearing includes an outer race having an inner cylinder race surface and a radial aperture in fluid communication with passage means extending to the lash adjuster, a plurality of needles operatively positioned on the race surface in rolling contact with a portion of the rocker shaft opposite the riser passage therein and, a semi-cylindrical sleeve bearing fixed to the outer race in operative engagement with the outer race between opposite end ones of the needles whereby to encircle the remaining portion of the rocker shaft, the sleeve bearing having a radial extending port means effecting flow communication between the riser passage in the rocker shaft and the aperture in the outer race whereby lubricant can be supplied to the hydraulic lash adjuster.
    • 一种用于内燃机的气门机构的摇臂组件,该摇臂组件具有用于支撑至少一个摇臂并具有适于与发动机的加压润滑剂供应源连续连通的轴向通道的固定摇臂轴, 具有从轴向通道延伸的至少一个径向立管通道; 所述摇臂组件包括摇臂,所述摇臂具有可操作地定位在设置在其臂中的插座中的液压间隙调节器,以及可操作地定位在所述摇臂中的复合轴承,以将所述摇杆环绕在所述油立管通道上。 混合轴承包括具有内汽缸座圈表面的外座圈和与延伸到间隙调节器的通道装置流体连通的径向孔,多个针可操作地定位在座圈表面上,与滚柱轴的相对的一部分滚动接触 其中的立管通道和固定到外圈的半圆柱形套筒轴承,其与相对的两根针之间的外座圈有效接合,从而围绕摇杆轴的剩余部分,套筒轴承具有径向延伸端口 意味着影响摇臂轴上的立管通道与外圈中的孔之间的流动连通,从而可以向液压间隙调节器供应润滑剂。