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    Oil pan for internal combustion engine
    1.
    发明授权
    Oil pan for internal combustion engine 失效
    内燃机油盘

    公开(公告)号：US4986235A

    公开(公告)日：1991-01-22

    申请号：US501119

    申请日：1990-03-29

    申请人： Akira Ishii ,  Takashi Terui ,  Toyoki Hiraoka ,  Yuichi Murakami

    发明人： Akira Ishii ,  Takashi Terui ,  Toyoki Hiraoka ,  Yuichi Murakami

    IPC分类号： F01M11/00 ,  F01M11/06

    CPC分类号： F01M11/065 ,  F01M11/0004 ,  F01M2011/0041

    摘要： An oil pan for an internal combustion engine having an engine lubrication system. The oil pan comprises a shallow bottom section and a sump section. A guide plate is secured at an inner surface to which a crankshaft splashes lubrication oil carried into the shallow bottom section. The guide plate having an inclined and a guide parts extends generally along the axis of the crankshaft and extends generally parallel with a horizontal plane. The inclined part which gradually becomes high in level in the direction toward the sump is continuously connected to the inclined part to be formed in a generally arcuate shape. Therefore, the splashed oil at the inner surface cannot over the guide plate, and the oil is positively returned into the sump section by the guide plate. Accordingly, lubrication in this engine is smoothly carried out without causing a lack of the oil in the sump section.

    摘要翻译： 一种具有发动机润滑系统的内燃机油盘。 油盘包括浅底部段和贮槽部分。 引导板固定在内表面，曲轴将润滑油飞溅到浅底部。 具有倾斜和引导部分的引导板大体上沿着曲轴的轴线延伸并且大致平行于水平面延伸。 朝向贮槽的方向逐渐变高的倾斜部分连续地连接到倾斜部分，以形成为大致弓形的形状。 因此，内表面的飞溅油不能超过导向板，油通过导向板正确地返回到集油槽部分。 因此，能够平稳地进行该发动机的润滑，而不会导致油底壳部分的油不足。

    Internal combustion engine with crankcase ventilation system
    2.
    发明授权
    Internal combustion engine with crankcase ventilation system 失效
    内燃机带曲轴箱通风系统

    公开(公告)号：US4958613A

    公开(公告)日：1990-09-25

    申请号：US417622

    申请日：1989-10-04

    申请人： Toyoki Hiraoka ,  Yuichi Murakami ,  Nobuyuki Okitsu

    发明人： Toyoki Hiraoka ,  Yuichi Murakami ,  Nobuyuki Okitsu

    IPC分类号： F01M13/00 ,  F01M13/04 ,  F02B75/22 ,  F02F7/00

    CPC分类号： F01M13/0416 ,  F01M13/0033 ,  F02B75/22 ,  F02F7/006

    摘要： An internal combustion engine is equipped with a crankcase ventilation system in which fresh air flows through a crankcase. The cylinder block of the engine is formed with a fresh air suction port whose one end is opened to the chamber of a crankcase in order to establish communication between a rocker cover chamber and the crankcase chamber. The one end of the fresh air suction port is located in the vicinity of the peripheral surface of a counterweight of a crankshaft. The rotation of the counterweight develops vacuum thereby to suck fresh air from the rocker cover chamber through the fresh air suction port into the crankcase chamber, thereby effecting ventilation in the crankcase.

    摘要翻译： 内燃机配备有空气流过曲轴箱的曲轴箱通风系统。 发动机的气缸体形成有新鲜空气吸入口，其一端向曲轴箱的腔室开口，以便建立摇臂盖室和曲轴箱室之间的连通。 新鲜空气吸入口的一端位于曲轴配重的周面附近。 配重的旋转发生真空，从而将来自摇臂盖室的新鲜空气通过新鲜空气吸入口吸入曲轴箱室，从而实现曲轴箱中的通风。