Valve rotator
    1.
    发明授权
    Valve rotator 失效
    阀门旋转器

    公开(公告)号:US4075987A

    公开(公告)日:1978-02-28

    申请号:US570749

    申请日:1975-04-23

    IPC分类号: F01L1/32

    CPC分类号: F01L1/32

    摘要: An improved valve rotator includes a plurality of biasing springs which are effective to urge associated balls toward the shallow ends of ramps formed between a pair of housing members. The total force applied against the balls by the biasing springs is sufficient to hold the housing members apart against the influence of a valve spring when the valve is in a closed position. Upon movement of the valve toward an open position, the valve spring force increases to a magnitude sufficient to cause the balls to move down the associated ramps against the influence of the biasing springs. As the balls move down the ramps, rotational movement of the balls causes one of the housing members to rotate relative to the other with a resulting rotation of the valve as it opens. As the valve subsequently moves toward the closed position, the valve spring force decreases and the ball biasing springs are effective to move the balls up the ramps to separate the two housing members against the influence of the valve spring. The separating movement between the two housing members is in a direction in which the valve is closed so that the separating movement promotes the closing of the valve. To prevent reverse rotation of the valve as it is closed, a one-way clutch arrangement is utilized to inhibit relative rotation between the housing members as they separate and the balls move up the ramps.

    摘要翻译: 改进的阀旋转器包括多个偏压弹簧,其有效地将相关联的球朝向形成在一对壳体构件之间的坡道的浅端推动。 当阀处于关闭位置时,通过偏置弹簧施加到球的总的力足以将壳体构件分开抵抗阀弹簧的影响。 当阀门朝向打开位置移动时,阀弹簧力增加到足以使球随着偏置弹簧的影响使相关斜坡向下移动的大小。 随着球向下移动斜面,球的旋转运动使得一个壳体构件相对于另一个转动,随着阀打开时阀的旋转。 随着阀随后朝向关闭位置移动,阀弹簧力减小,并且球偏压弹簧有效地使球向上移动以使两个壳体部件抵抗阀弹簧的影响。 两个壳体构件之间的分离运动是在阀闭合的方向上,使得分离运动促进阀的关闭。 为了防止阀门在关闭时反向旋转,单向离合器装置用于阻止壳体部件分离时的相对旋转,并且球向上移动斜坡。

    Valve rotating device
    2.
    发明授权
    Valve rotating device 失效
    阀门旋转装置

    公开(公告)号:US4538558A

    公开(公告)日:1985-09-03

    申请号:US559931

    申请日:1983-12-09

    IPC分类号: F01L1/32 F01L3/10

    CPC分类号: F01L1/32 F01L3/10

    摘要: The valve rotator comprises a body to be attached to and rotatable with the valve. The body has at least one groove therein extending partially around said valve stem. Shiftable means is disposed within the groove. A collar receives the valve spring biasing force and encircles the valve stem adjacent the body. The body and the collar are movable in axial and rotational directions relative to each other. A pair of spring washers encircles the valve stem and is interposed between the collar and the shiftable means. One of the spring washers has a portion bearing on the shiftable means and another portion bearing on the body when the valve is closed. The other of the spring washers acts between the collar and the another portion of the one spring washer and has a first portion which overlies the another portion of the one spring washer when the valve is closed and a second portion spaced at least in part from the one spring washer when the valve is closed. Each of said spring washers has an inner circumference and an outer circumference. The overlying portions of the one and the other of the spring washers cooperate with each other adjacent the inner circumferences thereof to transmit surges of the valve spring from the collar through the overlying portions of the one and the other of the spring washers to the body to thereby isolate surges of the valve spring from the shiftable means.

    摘要翻译: 阀旋转器包括被连接到阀体上并与阀可旋转的主体。 主体具有至少一个槽,部分地围绕所述阀杆延伸。 可移动装置设置在凹槽内。 轴环接收阀弹簧偏置力,并且环绕阀体邻近主体。 主体和衣领可以相对于彼此在轴向和旋转方向上移动。 一对弹簧垫圈环绕阀杆并插入在套环和可移动装置之间。 其中一个弹簧垫圈具有一个在可移动装置上的部分,另一个部分在阀门关闭时承载在主体上。 弹簧垫圈中的另一个作用在套环和一个弹簧垫圈的另一部分之间,并且当阀关闭时具有第一部分,该第一部分覆盖在一个弹簧垫圈的另一部分上,第二部分至少部分地与 一个弹簧垫圈当阀门关闭。 每个所述弹簧垫圈具有内圆周和外圆周。 一个弹簧垫圈和另一个弹簧垫圈的上部部分彼此靠近其内周彼此配合,以将阀弹簧的凸起从套环穿过弹簧垫圈中的一个和另一个的上部部分传递到主体 从而将阀弹簧的冲击与可移动装置隔离开。

    Valve rotating device
    3.
    发明授权
    Valve rotating device 失效
    阀门旋转装置

    公开(公告)号:US4425882A

    公开(公告)日:1984-01-17

    申请号:US214800

    申请日:1980-12-10

    IPC分类号: F01L1/32

    CPC分类号: F01L1/32

    摘要: A valve rotator rotates a valve in an internal combustion engine about the axis of the stem of the valve. The valve is biased closed by a valve biasing spring. The valve rotator includes a body attached to and rotatable with the valve stem. The body has at least one groove therein extending at least partially around said valve stem. A coil spring element is longitudinally disposed within the groove. A collar receives the valve biasing spring force and encircles the valve stem adjacent the body. A pair of spring washers encircle said valve stem and are interposed between the collar and the coil spring element. One of the spring washers side loads the coils of said coil spring element when the valve is closed. The other of the spring washers acts between the collar and the one spring washer and isolates surges of the valve spring of a predetermined magnitude from the one spring washer and thereby from the coils of the coil spring element.

    摘要翻译: 阀旋转器使内燃机中的阀绕阀杆的轴线旋转。 阀被阀偏压弹簧偏压关闭。 阀旋转器包括附接到阀杆并与阀杆可旋转的主体。 主体具有至少部分围绕所述阀杆延伸的至少一个凹槽。 螺旋弹簧元件纵向地设置在凹槽内。 轴环接收阀偏压弹簧力并且围绕阀杆邻近身体。 一对弹簧垫圈环绕所述阀杆并且插入在所述套环和所述螺旋弹簧元件之间。 当阀关闭时,其中一个弹簧垫圈侧装载所述螺旋弹簧元件的线圈。 另一个弹簧垫圈在套环和一个弹簧垫圈之间起作用,并将一个预定大小的阀弹簧的冲击与一个弹簧垫圈隔离,从而与螺旋弹簧元件的线圈隔离。