Continuously variable valve duration apparatus and engine provided with the same

    公开(公告)号:US10815838B1

    公开(公告)日:2020-10-27

    申请号:US16692512

    申请日:2019-11-22

    Abstract: A continuously variable valve duration apparatus may include a camshaft, a cam unit including a cam, and the camshaft inserted into the cam, a guide shaft on which a guide screw thread is formed and disposed perpendicular to the camshaft, a guide bracket on which the guide shaft is mounted, an inner wheel configured to transmit rotation of the camshaft to the cam unit, a wheel housing into which the inner wheel is rotatably inserted and movable perpendicular to the camshaft, and the wheel housing disposed within the guide bracket, a worm wheel to which an inner screw thread configured to engage with the guide screw thread is formed therewithin, and to which an outer screw thread is formed thereon, and the worm wheel disposed within the wheel housing, a control shaft on which a control worm configured to engage with the outer screw thread is formed.

    Continuous variable valve timing apparatus and engine provided with the same

    公开(公告)号:US10208681B2

    公开(公告)日:2019-02-19

    申请号:US15366101

    申请日:2016-12-01

    Abstract: A continuous variable valve timing apparatus may include a camshaft, a cam device on which a cam is formed respectively and of which the camshaft is inserted thereto, wherein a relative phase angle with respect to the camshaft is variable, an inside bracket configured to transmit rotation of the camshaft to the cam device, a lifter in which the inside bracket is rotatably inserted therein and on which a cylinder opening and a shaft opening are formed thereon, a control shaft parallel to the camshaft and to which a control rod, inserted into the shaft opening, is eccentrically formed, a control cylinder on which a control rod opening where the control rod is inserted therein is formed and inserted into the cylinder opening, a guide portion guiding movement of the lifter and a controller selectively rotating the control shaft, wherein the lifter may move.

    Engine having continuously variable valve timing mechanism
    8.
    发明授权
    Engine having continuously variable valve timing mechanism 有权
    发动机具有连续可变气门正时机构

    公开(公告)号:US09169745B2

    公开(公告)日:2015-10-27

    申请号:US14145473

    申请日:2013-12-31

    CPC classification number: F01L1/34 F01L1/3442 F01L2001/3443 F01L2001/34433

    Abstract: An engine having a variable valve timing mechanism may include a camshaft having a cam formed thereon for moving an intake or exhaust valve, a variable rotation unit disposed on the same axis with the camshaft to rotate the camshaft to have a retard angle chamber and an advance angle chamber for controlling a retard angle and an advance angle of the camshaft, a variable valve bolt having a fastening portion for fastening the variable rotation unit to the camshaft, and an oil control valve for making selective supply of hydraulic oil to the retard angle chamber and the advance angle chamber, and a valve controller disposed on an outer side of the variable rotation unit for controlling the oil control valve in the variable valve bolt.

    Abstract translation: 具有可变气门正时机构的发动机可以包括凸轮轴,其具有形成在其上的用于移动进气门或排气门的凸轮;可变旋转单元,其与凸轮轴设置在同一轴线上,以使凸轮轴旋转以具有延迟角室和前进 用于控制凸轮轴的延迟角和提前角的角度室,具有用于将可变旋转单元紧固到凸轮轴的紧固部分的可变气门螺栓,以及用于选择性地向延迟角室供给液压油的油控制阀 和前进角室,以及设置在可变旋转单元的外侧的阀控制器,用于控制可变气门螺栓中的油控阀。

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