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    • 53. 发明授权
    • Measuring apparatus for internal combustion engine
    • 内燃机测量装置
    • US4596138A
    • 1986-06-24
    • US721182
    • 1985-04-08
    • Katsunori ItoSusumu AkiyamaTiaki MizunoToshitaka YamadaTomoaki Abe
    • Katsunori ItoSusumu AkiyamaTiaki MizunoToshitaka YamadaTomoaki Abe
    • F02D41/00F02D41/18F02D41/34G01F1/698G01M15/00
    • G01F1/6986F02D41/187G01F1/6983
    • The intake airflow rate supplied to an internal combustion engine is measured and an obtained airflow rate measurement signal is used for detecting the operating state of the internal combustion engine. The internal combustion engine is electronically controlled, and an airflow rate measuring unit includes a heat-generating element having a temperature-resistance characteristic. A heating current which rises in correspondence with a signal synchronous with rotation of the engine is supplied to the heat-generating element. The heating current is controlled to rise when the heat-generating element is heated to a predetermined temperature, and the heating current duration indicates the airflow rate measurement signal. A burn-off command signal is generated so as to burn off dust attached to the heat-generating element. The command signal is used to generate a periodic signal having a preset effective duration. The pulse signal sets a continuous supply of the heating current to the element for the pulse duration, so that the heat-generating element is heated to a temperature for burning off dust attached thereto.
    • 测量供应到内燃机的进气流量,并且使用获得的气流速率测量信号来检测内燃机的运行状态。 内燃机是电子控制的,气流量测量单元包括具有耐温特性的发热元件。 对应于与发动机的旋转同步的信号上升的加热电流被供应到发热元件。 当发热元件被加热到预定温度时,加热电流被控制上升,加热电流持续时间指示气流速度测量信号。 产生燃烧命令信号,以便燃烧附着在发热元件上的灰尘。 命令信号用于产生具有预设有效持续时间的周期信号。 脉冲信号使脉冲持续时间内的元件的加热电流连续供给,从而将发热元件加热至附着于其上的灰尘的温度。
    • 59. 发明申请
    • Oil ring
    • 油环
    • US20060006604A1
    • 2006-01-12
    • US10527637
    • 2003-10-28
    • Tomoaki AbeKeishi NannoShiro ShibataHideshi Hitosugi
    • Tomoaki AbeKeishi NannoShiro ShibataHideshi Hitosugi
    • B60T11/236
    • F16J9/062F16J9/20F16J9/206
    • It is a main object of the present invention to provide an oil ring which is capable of reducing sliding friction even in a high speed revolution region of a piston, and capable of reducing the consumption of oil. To achieve the object, the present invention provides an oil ring which is formed into cross-section substantially of an I-shape that two rails are connected at a columnar portion thereof, wherein a sliding projection formed in each of the two rails comprises an outer side surface of sliding projection which forms an outer portion of the sliding projection, a inner side surface of sliding projection which forms an inner portion of the sliding projection, and a sliding surface which slides on a cylinder inner wall and forms a tip end of the sliding projection; wherein a taper angle of the outer side surface of sliding projection is in a range of 10° to 60°; and wherein the outer edge portion, where the outer side surface of sliding projection and the sliding surface are joined to each other, is formed into the curved surface, and the sliding surface has the curved surface sliding portion which is joined to the outer side surface of sliding projection and formed into a gently curved surface.
    • 本发明的主要目的是提供一种即使在活塞的高速旋转区域也能够减小滑动摩擦并能够降低油的消耗的油环。 为了实现该目的,本发明提供了一种油环,其形成为大致为I形的横截面,其中两个轨道在其柱状部分连接,其中形成在每个两个轨道中的滑动突起包括外部 形成滑动突起的外部的滑动突起的侧表面,形成滑动突起的内部的滑动突起的内侧表面和滑动表面,滑动表面在气缸内壁上滑动并形成 滑动投影; 其中所述滑动突起的外侧表面的锥角在10°至60°的范围内; 并且其中滑动突起的外侧表面和滑动表面彼此接合的外边缘部分形成为弯曲表面,并且滑动表面具有接合到外侧表面的曲面滑动部分 的滑动突起并形成一个轻柔的曲面。