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    VARIABLE COMPRESSION RATIO ENGINE
    4.
    发明申请
    VARIABLE COMPRESSION RATIO ENGINE 审中-公开

    公开(公告)号：US20180328274A1

    公开(公告)日：2018-11-15

    申请号：US15776736

    申请日：2016-11-17

    申请人： MCE 5 Development

    发明人： Philippe Dury ,  Yves Miehe

    IPC分类号： F02B75/04 ,  F16C3/28 ,  F16C7/06 ,  F02D15/02

    CPC分类号： F02B75/045 ,  F02B75/04 ,  F02B75/048 ,  F02D15/02 ,  F16C3/28 ,  F16C7/04 ,  F16C7/06

    摘要： A variable compression ratio engine comprises a stationary engine block in which movable members interact to enable a piston to translate in a combustion cylinder of the engine block, defining a stroke of the combustion piston The engine further comprises a self-contained device for adjusting the position of the top dead center of the combustion piston, the self-contained device being connected to or built into at least one of the movable members and having a high-pressure hydraulic chamber to counteract the combustion and inertial forces at the bottom dead center, a low-pressure hydraulic chamber to counteract the inertial forces at the top dead center, at least one calibrated conduit to enable hydraulic fluid to flow between the high- and low-pressure hydraulic chambers, and return means to bring the device back to a nominal position.

    Bearing structure
    9.
    发明授权
    Bearing structure 有权

    公开(公告)号：US09879724B2

    公开(公告)日：2018-01-30

    申请号：US15503239

    申请日：2014-08-11

    申请人： NISSAN MOTOR CO., LTD.

    发明人： Satoru Ookuma ,  Hiroaki Hoshikawa

    IPC分类号： F16C9/02 ,  F16C33/10 ,  F16C17/10

    CPC分类号： F16C33/1065 ,  F01M1/06 ,  F01M11/02 ,  F01M2011/026 ,  F02B75/04 ,  F02B75/047 ,  F16C3/14 ,  F16C9/02 ,  F16C17/022 ,  F16C17/10 ,  F16C33/1055 ,  F16C2360/22

    摘要： A bearing structure has a crankshaft rotatably supported by a crankshaft bearing part, formed of a cylinder block of an internal combustion engine and a first bearing cap, through a bearing metal, a second shaft rotatably supported by a second shaft bearing part formed of the first bearing cap and a second bearing cap, wherein the bearing metal has a bearing metal planar portion for rotatably supporting the crankshaft with an entire inner peripheral surface of the bearing metal, the inner peripheral surface at which the bearing metal planar portion is formed, a bearing metal oil groove portion formed with an oil groove formed to extend circumferentially in an inner peripheral surface of the bearing metal, the inner peripheral surface at which the bearing metal oil groove portion is formed, a first oil hole opening at the oil groove, and a second oil hole opening at the oil groove.

    Variable compression ratio internal combustion engine
    10.
    发明授权
    Variable compression ratio internal combustion engine 有权

    公开(公告)号：US09863311B2

    公开(公告)日：2018-01-09

    申请号：US15506899

    申请日：2014-09-02

    申请人： Nissan Motor Co., Ltd.

    发明人： Ryosuke Hiyoshi ,  Katsutoshi Nakamura

    IPC分类号： F02B75/04 ,  F02B75/32

    CPC分类号： F02B75/04 ,  F02B75/045 ,  F02B75/32 ,  F02D15/02

    摘要： A variable compression ratio internal combustion engine includes: a variable compression ratio mechanism arranged to vary an engine compression ratio in accordance with a rotation position of a first control shaft; an actuator arranged to vary and hold the rotation position of the first control shaft; and a link mechanism arranged to connect the actuator and the first control shaft, the link mechanism including; a second control shaft, a lever, a first arm portion, a first link pin, a second arm portion, and a second link pin, the first link pin having a diameter larger than a diameter of the second link pin.