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    • 7. 发明授权
    • Variable compression ratio engine
    • 可变压缩比发动机
    • US07007638B2
    • 2006-03-07
    • US10898539
    • 2004-07-26
    • Yoshikazu Yamada
    • Yoshikazu Yamada
    • F02B75/04
    • F02B75/048F02B75/045
    • A variable compression ratio engine includes a connecting rod connected to a piston, a subsidiary arm connected to a crankshaft with one end pivotally connected to an end of the connecting rod, an eccentric shaft provided at an eccentric position of a rotary shaft rotatably supported at an engine body, and a control rod with one end connected to the subsidiary arm at a position deviated from the connected portion of the connecting rod and the other end pivotally connected to the eccentric shaft. In the variable compression ratio engine, a one-way clutch is interposed between the rotary shaft and the engine body, a restricted member is interlocked with and connected to an eccentric position of the rotary shaft to reciprocally operate corresponding to rotation of the rotary shaft, and a restricting device abuts to and engages with the restricted member immediately after the restricted member passes a reciprocation end, thereby selectively restricting a rotational operation of the rotary shaft in either of two rotation phases different from each other. Thus, the rotary shaft is rotated by utilizing the combustion and inertia of the engine, and occurrence of impact at the time of restricting the rotational operation of the rotary shaft can be suppressed.
    • 可变压缩比发动机包括连接到活塞的连接杆,连接到曲轴的辅臂,其一端可枢转地连接到连杆的端部;偏心轴,设置在可旋转地支撑在连杆上的旋转轴的偏心位置 发动机主体和控制杆,其一端在与所述连杆的连接部分偏离的位置处连接到所述辅助臂,并且所述另一端枢转地连接到所述偏心轴。 在可变压缩比发动机中,单向离合器介于旋转轴与发动机体之间,受限构件与旋转轴的偏心位置联动并连接到旋转轴的偏心位置,以便相应于旋转轴的旋转而往复运动, 并且限制装置在受限制构件通过往复运动之后立即与限制构件抵接并接合,从而选择性地限制旋转轴在彼此不同的两个旋转相中的任一个中的旋转操作。 因此,旋转轴通过利用发动机的燃烧和惯性而旋转,并且可以抑制在限制旋转轴的旋转操作时的冲击的发生。
    • 10. 发明申请
    • Variable compression ratio engine
    • 可变压缩比发动机
    • US20050061270A1
    • 2005-03-24
    • US10898539
    • 2004-07-26
    • Yoshikazu Yamada
    • Yoshikazu Yamada
    • F02B75/04F02B75/32F02D15/02F16C7/00
    • F02B75/048F02B75/045
    • A variable compression ratio engine includes a connecting rod connected to a piston, a subsidiary arm connected to a crankshaft with one end pivotally connected to an end of the connecting rod, an eccentric shaft provided at an eccentric position of a rotary shaft rotatably supported at an engine body, and a control rod with one end connected to the subsidiary arm at a position deviated from the connected portion of the connecting rod and the other end pivotally connected to the eccentric shaft. In the variable compression ratio engine, a one-way clutch is interposed between the rotary shaft and the engine body, a restricted member is interlocked with and connected to an eccentric position of the rotary shaft to reciprocally operate corresponding to rotation of the rotary shaft, and a restricting device abuts to and engages with the restricted member immediately after the restricted member passes a reciprocation end, thereby selectively restricting a rotational operation of the rotary shaft in either of two rotation phases different from each other. Thus, the rotary shaft is rotated by utilizing the combustion and inertia of the engine, and occurrence of impact at the time of restricting the rotational operation of the rotary shaft can be suppressed.
    • 可变压缩比发动机包括连接到活塞的连接杆,连接到曲轴的辅臂,其一端可枢转地连接到连杆的端部;偏心轴,设置在可旋转地支撑在连杆上的旋转轴的偏心位置 发动机主体和控制杆,其一端在与所述连杆的连接部分偏离的位置处连接到所述辅助臂,并且所述另一端枢转地连接到所述偏心轴。 在可变压缩比发动机中,单向离合器介于旋转轴与发动机体之间,受限构件与旋转轴的偏心位置联动并连接到旋转轴的偏心位置,以便相应于旋转轴的旋转而往复运动, 并且限制装置在受限制构件通过往复运动之后立即与限制构件抵接并接合,从而选择性地限制旋转轴在彼此不同的两个旋转相中的任一个中的旋转操作。 因此,旋转轴通过利用发动机的燃烧和惯性而旋转,并且可以抑制在限制旋转轴的旋转操作时的冲击的发生。