Hydraulically controlled actuator for activating a valve
    1.
    发明授权
    Hydraulically controlled actuator for activating a valve 失效
    用于启动阀门的液压执行器

    公开(公告)号:US06857403B2

    公开(公告)日:2005-02-22

    申请号:US10416107

    申请日:2002-06-25

    IPC分类号: F01L9/02 F02D13/02 F15B15/14

    CPC分类号: F01L9/02

    摘要: An hydraulically controlled actuator for activating a valve, especially for activating a gas-exchange valve in a combustion cylinder of an internal combustion engine, which includes two fluid-filled pressure chambers having controllable chamber volumes and a movable operating piston which delimits the pressure chambers by piston sides facing away from one another, the operating piston acting upon the valve and having an effective closing area acted upon by fluid pressure in the pressure chambers to close the valve and an effective opening area acted upon by the fluid pressure to open the valve. To influence the kinematics of the opening and closing movement of the valve, the operating piston is such that the surface area of at least one of the two effective areas changes along the sliding path of the operating piston.

    摘要翻译: 一种用于启动阀门的液压控制致动器,特别是用于启动内燃机的燃烧气缸中的气体交换阀,其包括具有可控室容积的两个流体填充的压力室,以及通过 活塞侧面彼此背离,所述操作活塞作用在所述阀上并且具有由所述压力室中的流体压力作用的有效闭合区域以关闭所述阀以及由所述流体压力作用以打开所述阀的有效开口面积。 为了影响阀的打开和关闭运动的运动学,操作活塞使得两个有效区域中的至少一个的表面积沿操作活塞的滑动路径变化。

    Hydraulic actuator for a gas exchange valve
    3.
    发明授权
    Hydraulic actuator for a gas exchange valve 失效
    用于气体交换阀的液压致动器

    公开(公告)号:US06776129B2

    公开(公告)日:2004-08-17

    申请号:US10450824

    申请日:2003-06-18

    IPC分类号: F01L902

    CPC分类号: F01L9/02 F01L2001/34446

    摘要: A hydraulic actuator for gas exchange valves of internal combustion engines is disclosed, in which the lifting of the gas exchange valve from the valve seat is effected with great force. The opening motion of the gas exchange valve then ensues at reduced force. Upon closure of the gas exchange valve, the gas exchange valve is braked before striking the valve seat, so that operation of the gas exchange valve with little wear and little noise can be achieved.

    摘要翻译: 公开了一种用于内燃机的气体交换阀的液压致动器,其中气阀从阀座的提升以很大的力量进行。 然后,气体交换阀的打开运动以减小的力而发生。 在关闭气体交换阀时,气体交换阀在撞击阀座之前被制动,从而可以实现少量磨损和小噪音的气体交换阀的操作。

    Hydraulically controlled actuator for actuating gas exchange valve on the exhaust side of an internal combustion engine
    4.
    发明授权
    Hydraulically controlled actuator for actuating gas exchange valve on the exhaust side of an internal combustion engine 失效
    用于致动内燃机排气侧的气体交换阀的液压控制致动器

    公开(公告)号:US06978748B2

    公开(公告)日:2005-12-27

    申请号:US10486740

    申请日:2003-01-31

    IPC分类号: F01L9/02

    CPC分类号: F01L9/02

    摘要: A hydraulically controlled actuator for actuation of an exhaust-side gas exchange valve of an internal combustion engine, containing a control piston that is displaceable within a cylinder and, with piston sides facing away from one another, delimits pressure chambers, of which the one pressure chamber impinges upon the gas exchange valve in the closing direction and the other pressure chamber impinges upon the gas exchange valve in the opening direction. In the actuator is provided at least one spring element, which can be brought into a preloaded state by the control piston moving in the closing direction of the gas exchange valve, and whose stored potential energy accelerates the gas exchange valve in the opening direction at least at the beginning of an opening phase, is provided. This results in a reduction in the energy expended in the context of valve actuation.

    摘要翻译: 一种用于致动内燃机的排气侧气体交换阀的液压控制致动器,其包含可在气缸内移动的控制活塞,并且活塞侧面彼此背离,限定压力室,其中一个压力 气室在关闭方向上撞击在气体交换阀上,另一个压力室在打开方向上撞击气体交换阀。 在致动器中设置有至少一个弹簧元件,该弹簧元件可以通过控制活塞在气体交换阀的关闭方向上移动而处于预加载状态,并且其存储的势能至少在打开方向上加速气体交换阀 在开放阶段开始时提供。 这导致在阀驱动的上下文中消耗的能量的减少。

    Device for controlling gas exchange valves
    5.
    发明授权
    Device for controlling gas exchange valves 失效
    用于控制气体交换阀的装置

    公开(公告)号:US06889639B2

    公开(公告)日:2005-05-10

    申请号:US10381273

    申请日:2002-05-23

    IPC分类号: F01L9/02

    CPC分类号: F01L9/02

    摘要: An apparatus for controlling gas exchange valves of an internal combustion engine having hydraulic valve actuators each assigned to one gas exchange valve, with one adjusting piston acting on the gas exchange valve and two hydraulic work chambers defined by the adjusting piston the first work chamber acting on the gas exchange valve in the closing direction being constantly filled with fluid that is under pressure, and the second work chamber acting on the gas exchange valve in the opening direction can be filled with and relieved of fluid that is under pressure in alternation via a first and second electrical control valve. Two valve actuators are each triggered in alternation by the same first and the same second control valve, and the switchover of the control valves is performed during the closing state of the two gas exchange valves actuated by these valve actuators.

    摘要翻译: 一种用于控制内燃机的气体交换阀的装置,其具有每个分配给一个气体交换阀的液压阀致动器,一个调节活塞作用在气体交换阀上,两个液压工作室由调节活塞限定,第一工作室作用在 在关闭方向上的气体交换阀不断地充满了处于压力下的流体,并且作用在气体交换阀上的第二工作室在打开方向上可以通过第一和第二流动来交替地填充和释放处于压力下的流体 和第二电控阀。 两个阀致动器各自由相同的第一和第二控制阀交替地触发,并且在由这些阀致动器致动的两个气体交换阀的关闭状态期间执行控制阀的切换。

    Device for controlling a cross-section of an opening in the combustion cylinder of an internal combustion engine
    6.
    发明授权
    Device for controlling a cross-section of an opening in the combustion cylinder of an internal combustion engine 失效
    用于控制内燃机的燃烧气缸中的开口的横截面的装置

    公开(公告)号:US06918361B2

    公开(公告)日:2005-07-19

    申请号:US10451286

    申请日:2002-11-28

    IPC分类号: F01L9/02 F01L9/34

    CPC分类号: F01L9/02 F01L2001/34446

    摘要: A device for controlling an opening cross section in the combustion cylinder of an internal combustion engine is provided, the device having a gas exchange valve integrated into the combustion cylinder and having an actuator which drives the valve element to execute a closing stroke and an opening stroke. A valve brake which is active during a residual closing stroke of the valve element is provided for the purpose of reducing the impact velocity of the valve closure member of the valve element on the valve seat in the closing stroke of the valve element. The valve brake has a hydraulic damping element with a fluid displacement volume which flows out through a throttle cross section of a throttle opening, and a control unit for controlling the throttle cross section as a function of the viscosity of the displacement volume.

    摘要翻译: 提供了一种用于控制内燃机的燃烧气缸中的开口横截面的装置,该装置具有集成到燃烧气缸中的气体交换阀,并具有驱动阀元件以执行关闭行程和打开行程的致动器 。 提供在阀元件的残余关闭行程期间有效的阀门制动器,用于在阀元件的关闭行程中减小阀元件在阀座上的冲击速度。 阀门制动器具有液压阻尼元件,该液压阻尼元件具有通过节气门开口的节流横截面流出的流体排量体积,以及控制单元,用于根据排量体积的粘度来控制节气门横截面。

    Internal combustion engine
    7.
    发明授权
    Internal combustion engine 失效
    内燃机

    公开(公告)号:US06701879B2

    公开(公告)日:2004-03-09

    申请号:US10253232

    申请日:2002-09-24

    IPC分类号: F01L126

    摘要: An internal combustion engine having at least one combustion cylinder that includes a combustion chamber provided with gas-exchange valves, and an electrohydraulic valve control device having valve actuators that actuate the gas-exchange valves. To reduce manufacturing costs and/or the installation space required for the electrohydraulic valve control device, at least two synchronously controlled gas-exchange valves are connected using a coupling element to a common valve actuator, and the connection sites of the gas-exchange valves are flexibly formed on the coupling element.

    摘要翻译: 具有至少一个包括设有气体交换阀的燃烧室的燃烧气缸的内燃机和具有致动气体交换阀的阀致动器的电动液压阀控制装置。 为了降低电液阀控制装置所需的制造成本和/或安装空间,至少两个同步控制的气体交换阀使用联接元件连接到公共阀致动器,并且气体交换阀的连接位置 柔性地形成在联接元件上。

    Cylinder head
    8.
    发明授权
    Cylinder head 失效
    气缸盖

    公开(公告)号:US06948463B2

    公开(公告)日:2005-09-27

    申请号:US10473311

    申请日:2002-11-28

    IPC分类号: F01L9/02

    CPC分类号: F01L9/02

    摘要: A cylinder head for a combustion cylinder of an internal combustion engine is provided, which has at least one inlet opening and at least one outlet opening, as well as gas exchange valves which are operable by electrohydraulic valve actuators, some of which gas exchange valves function as inlet valves to control the at least one inlet opening, and some of which gas exchange valves function as outlet valves to control the at least one outlet opening. For the purpose of producing a compact, complete module which, as a separate component, may be tested for reliability and may be installed into the engine block of the internal combustion engine without additional preassembly effort, the cylinder head is provided with at least one high pressure line for supplying fluid under high pressure and at least one recycling line for recycling fluid, which have coupling openings for the hydraulic coupling of the valve actuators, and also means for fastening the valve actuators are provided.

    摘要翻译: 提供了一种用于内燃机的燃烧气缸的气缸盖,其具有至少一个入口和至少一个出口,以及可由电动液压阀致动器操作的气体交换阀,其中一些气体交换阀起作用 作为用于控制至少一个入口开口的入口阀,并且其中一些气体交换阀用作出口阀以控制至少一个出口开口。 为了生产紧凑的完整的模块,作为单独的部件,可以对其进行可靠性测试,并且可以在没有额外的预先组装的情况下将其安装到内燃机的发动机缸体中,气缸盖具有至少一个高的 提供了用于在高压下供应流体的压力线和用于再循环流体的至少一个回收管线,其具有用于阀致动器的液压联接的联接开口以及用于紧固阀致动器的装置。

    Electrohydraulic valve controller
    9.
    发明授权
    Electrohydraulic valve controller 失效
    电液阀控制器

    公开(公告)号:US06892683B2

    公开(公告)日:2005-05-17

    申请号:US10380508

    申请日:2002-05-18

    IPC分类号: F01L9/02

    CPC分类号: F01L9/02 F01L2820/02

    摘要: The invention relates to an electrohydraulic valve controller for controlling a gas exchange valve in internal combustion engines, having a hydraulically actuatable control valve including a control valve piston which can be acted upon, via electrically actuatable valves, by a hydraulic medium that is under pressure, and a hydraulically acting valve brake is assigned to the control valve piston. The valve brake (46) includes a temperature compensation for the hydraulic medium.

    摘要翻译: 本发明涉及一种用于控制内燃机中的气体交换阀的电动液压阀控制器,其具有液压致动控制阀,该控制阀包括控制阀活塞,所述控制阀活塞可通过电致动阀通过处于压力下的液压介质作用, 并且将液压作用的阀门制动器分配给控制阀活塞。 阀门制动器(46)包括用于液压介质的温度补偿。

    Connection between a shaft end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet
    10.
    发明授权
    Connection between a shaft end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet 失效
    内燃机中的气体交换阀的轴端与阀致动器的套筒致动活塞之间的连接

    公开(公告)号:US06729287B2

    公开(公告)日:2004-05-04

    申请号:US10296979

    申请日:2003-05-23

    IPC分类号: F01L114

    摘要: A connection between a shaft end of a gas exchange valve of an internal combustion engine and a sleevelike actuating piston of a valve actuator, has at least two shell-like key pieces, surrounding the shaft end and on whose radially outer circumferential surface there is a conically tapering portion, pointing away from a combustion chamber of the engine, and extending in complementary fashion to the cone angle of a radially inner conical portion of a conical fastening sleeve that includes the key pieces, and the conical fastening sleeve and the key pieces can be braced axially against one another. Protrusions and recesses engaging one another are provided on the radially inner circumferential surface of the key pieces and on the radially outer circumferential surface of the shaft end of the gas exchange valve. The conical fastening sleeve is formed by the actuating piston and the actuating piston and the key pieces have threaded portions that can be screwed into one another.

    摘要翻译: 内燃机的气体交换阀的轴端与阀致动器的套筒式致动活塞之间的连接具有至少两个壳状的钥匙片,该钥匙片围绕轴端并且在其径向外周表面上具有 指向远离发动机的燃烧室的圆锥形锥形部分,并且与包括钥匙片的锥形紧固套筒的径向内锥形部分的锥角以互补的方式延伸,并且锥形紧固套筒和钥匙片可以 相互轴向地支撑。 在键片的径向内周面和气体交换阀的轴端的径向外周面上设置有彼此接合的突起和凹槽。 锥形紧固套筒由致动活塞和致动活塞形成,并且钥匙件具有可以彼此拧紧的螺纹部分。