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    • 71. 发明授权
    • Engine valve operating system
    • 发动机气门操作系统
    • US07631621B2
    • 2009-12-15
    • US10585831
    • 2005-01-13
    • Noriaki FujiiKatsunori NakamuraAkiyuki YonekawaTomoya FujimotoKeiko Yoshida
    • Noriaki FujiiKatsunori NakamuraAkiyuki YonekawaTomoya FujimotoKeiko Yoshida
    • F01L1/34
    • F01L13/0015F01L1/185F01L1/267F01L13/0021F01L2105/00F01L2820/032
    • A rocker arm (63) is provided with a valve connecting portion (63a) into which tappet screws (70) abutting against a pair of engine valves (19) are screwed so that their advance/retract positions can be adjusted, and the rocker arm (63) has a cam abutting portion (65) which abuts against a valve operating cam (69) and is interlocked and connected to the engine valves (19). The rocker arm (63) turnably connects to one end of a first link arm (61) turnably supported at a fixed position of an engine body and to one end of a second link arm turnably supported by a displaceable movable support shaft (68a). The rocker arm (63) is formed so that the valve connecting portion (63a) has a larger width in a direction along a rotating axis of the valve operating cam (69) than in the remaining part. This enables the lift amount of the engine valves to be continuously varied. It is also possible to reduce the size of the system, while ensuring follow-up ability of the opening/closing operations.
    • 摇臂(63)设置有阀连接部(63a),螺栓将抵靠在一对发动机气门(19)上的挺杆螺钉(70)拧入到其中,使得其前进/后退位置能够被调整,摇臂 (63)具有与阀操作凸轮(69)抵接的凸轮抵接部(65),并与发动机气门(19)联动并连接。 摇臂(63)可转动地连接到可转动地支撑在发动机本体的固定位置的第一连杆臂(61)的一端和可转动的可移动支撑轴(68a)可转动地支撑的第二连杆臂的一端。 摇臂(63)形成为使得阀连接部(63a)在与其他部分相比沿着阀操作凸轮(69)的旋转轴线的方向上具有较大的宽度。 这使发动机气门的升程量不断变化。 也可以减小系统的尺寸,同时确保打开/关闭操作的后续能力。
    • 72. 发明授权
    • Valve-moving device for engine
    • 发动机阀门移动装置
    • US07469668B2
    • 2008-12-30
    • US10558872
    • 2004-05-28
    • Noriaki FujiiAkiyuki YonekawaKatsunori Nakamura
    • Noriaki FujiiAkiyuki YonekawaKatsunori Nakamura
    • F01L1/34
    • F01L13/0021F01L1/18F01L1/267F01L13/0015F01L2105/00F01L2820/032
    • In an engine in which a lift amount of a valve can be changed continuously, an engine valve operating system including a valve lift-changing mechanism is capable of increasing and decreasing the lift amount of the valve without changing an opening angle for the valve and capable of decreasing a tappet clearance in accordance with a decrease in lift amount of the valve. Thus, it is possible to prevent the ratio of the tappet clearance to the lift amount at a low valve lift from being increased to minimize the influence of the dispersion of the tappet clearance and to reduce the seating speed of the valve at the low valve lift to prevent the generation of a noise. It is also possible to prevent a reduction in performance of the engine at a high valve lift due to the dispersion of the tappet clearance and to decrease the seating noise of the valve at the low valve lift.
    • 在可以连续地改变阀的升程量的发动机中,包括气门升程改变机构的发动机气门操作系统能够在不改变阀的开启角度的情况下增加和减小阀的升程量,并且能够 根据阀的提升量的减小而减小挺杆间隙。 因此,可以防止挺杆间隙与低气门升程升程量的比例增加,以最小化挺杆间隙分散的影响,并降低阀门在低气门升程时的安装速度 以防止产生噪音。 也可以防止由于挺杆间隙的分散引起的高气门升程时的发动机性能的降低,并且在低气门升程时降低阀的安装噪音。
    • 79. 发明申请
    • Combustion pressure detecting apparatus
    • 燃烧压力检测装置
    • US20060027013A1
    • 2006-02-09
    • US11181731
    • 2005-07-15
    • Takafumi MizorogiShin MizotaKatsunori Nakamura
    • Takafumi MizorogiShin MizotaKatsunori Nakamura
    • G01L23/22
    • G01L23/22G01L23/10
    • A combustion pressure detecting apparatus is provided for improving a combustion pressure detection accuracy. The combustion pressure detecting apparatus is mounted in a mounting hole of a cylinder head together with a combustion device for detecting the pressure within a combustion chamber as a combustion pressure. The combustion device may be one of an injector for injecting a fuel and a spark plug for igniting an air/fuel mixture within the combustion chamber. The combustion pressure detecting apparatus comprises an injector seat facing the combustion chamber and arranged in the mounting hole in a state in which a load from the combustion device is blocked, and a sensor element fixed between injector seat and the cylinder head by the injector seat for detecting a load transmitted thereto through the injector seat as a combustion pressure.
    • 提供一种用于提高燃烧压力检测精度的燃烧压力检测装置。 燃烧压力检测装置与用于检测燃烧室内的压力的燃烧装置一起安装在气缸盖的安装孔中作为燃烧压力。 燃烧装置可以是用于喷射燃料的喷射器和用于点燃燃烧室内的空气/燃料混合物的火花塞之一。 燃烧压力检测装置包括面向燃烧室的喷射器座,并且在来自燃烧装置的负载被阻挡的状态下布置在安装孔中,并且传感器元件通过喷射器座固定在喷射器座和气缸盖之间, 检测通过喷射器座传递到其上的载荷作为燃烧压力。