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    • 1. 发明申请
    • FUEL PUMP TAPPET/ROLLER FOLLOWER LUBRICATION
    • 燃油泵/滚筒润滑油
    • US20110277714A1
    • 2011-11-17
    • US12841255
    • 2010-07-22
    • Rodney E. BakerJames B. HicksBrian W. Geiser
    • Rodney E. BakerJames B. HicksBrian W. Geiser
    • F01M1/06F02F1/00
    • F02M59/102F01M9/104F01M9/106F01M9/108
    • A cylinder head including a dam defining a reservoir surrounding the periphery of the fuel pump tappet/roller follower mounting hole is provided. The cylinder head includes a tappet/roller follower mounted in the tappet/roller follower mounting hole and in communication with a cam and a fuel pump. The fuel pump is located on the high side of the head and oil drainage occurs in a direction away from the mounting hole. The dam and reservoir are configured to retain lubricant in the mounting hole and the sliding interface between the mounting hole and the tappet/roller follower. The dam and reservoir are configured to retain a minimum level of oil in the mounting hole when the head is in vehicle position. A method is provided for retaining lubrication in the tappet/roller follower hole by forming a dam defining a reservoir in the head and passively providing lubricant to the tappet/roller follower hole.
    • 提供了一种气缸盖,其包括限定围绕燃料泵挺杆/滚子从动件安装孔的周边的储存器的坝。 气缸盖包括安装在挺杆/滚子从动件安装孔中并与凸轮和燃料泵连通的挺杆/滚子从动件。 燃油泵位于头部的高侧,排油沿远离安装孔的方向发生。 大坝和水箱被配置为将润滑剂保持在安装孔和安装孔与挺杆/滚子从动件之间的滑动界面。 大坝和水箱被配置为当头部处于车辆位置时,在安装孔中保持最低水平的油。 提供了一种通过形成在头部中形成储存器并且被动地向挺杆/滚子从动件孔提供润滑剂的坝来保持挺杆/滚子从动件孔中的润滑的方法。
    • 9. 发明授权
    • Cylinder deactivation engine with advanced exhaust cam timing and method
    • 具有先进的排气凸轮定时和方法的气缸停用发动机
    • US06513471B1
    • 2003-02-04
    • US10068510
    • 2002-02-06
    • James B. Hicks
    • James B. Hicks
    • F01L134
    • F01L13/0005F01L1/34F01L2001/256F01L2105/00
    • An engine has switching valve actuators with positive valve lash for actuating or deactivating valves of deactivation cylinders and conventional valve actuators with negligible valve lash for actuating valves of conventional cylinders. Cams for the deactivation cylinders have increased opening and closing ramps relative to cams of the conventional cylinders. This can lead to poor combustion quality at idle and light loads and result in perceived engine roughness by an operator. To compensate for this, timing of exhaust cams of the deactivation cylinders is advanced relative to those of the conventional cylinders to reduce valve overlap of the deactivation cylinders to sufficiently near that of the conventional cylinders to provide stable combustion at idle in both conventional and deactivation cylinders with nearly equivalent power operation of all the cylinders.
    • 发动机具有开关阀致动器,其具有用于致动或停用停用气缸和常规阀致动器的正阀襟翼,具有用于致动传统气缸的阀的可忽略的阀间隙。 用于停用气缸的凸轮相对于常规气缸的凸轮具有增加的开启和关闭斜面。 这可能导致怠速和轻负载下的燃烧质量差,并导致操作员感觉到的发动机粗糙度。 为了补偿这一点,停用气缸的排气凸轮的定时相对于常规气缸的排气凸轮的时间提前,以减少失活气缸的气门重叠,足以接近常规气缸的气门重叠,以在常规气缸和停用气缸中的怠速下提供稳定的燃烧 与所有气缸几乎相当的动力运行。