Hydraulic compensation element for the valve train of an internal compensation engine

    公开(公告)号:US09816404B2

    公开(公告)日:2017-11-14

    申请号:US15048136

    申请日:2016-02-19

    Abstract: In a hydraulic compensation element for the valve train of an internal combustion engine, with a circular cylindrical housing (32) that has, in its bore (35), an axially movable pressure piston (36) with a reservoir (37) for oil as a hydraulic medium, a sleeve-like deflection element for oil is arranged in the interior of the pressure piston (36). The oil can be introduced through a radial feed hole of the housing (32), a rising channel (42), and an end-side opening (46) of the deflection element into the reservoir (37) of the pressure piston (36). The deflection element is constructed as a circular cylindrical inner sleeve (40) that has, on one axial end, an oversize dimension relative to the inner diameter of the pressure piston (36), and the inner sleeve (40) is fixed in the pressure piston (36) with a positive and non-positive fit connection.

    HYDRAULIC LASH ADJUSTER AND METHOD FOR USING HYDRAULIC LASH ADJUSTER

    公开(公告)号:US20170218796A1

    公开(公告)日:2017-08-03

    申请号:US15501390

    申请日:2014-09-17

    Inventor: Hiroyuki OZAWA

    CPC classification number: F01L1/245 F01L1/20 F01L1/2405 F01L1/255 F01L2103/00

    Abstract: Air is restrained from flowing into a high pressure chamber while the number of parts is reduced. A plunger is slidably fitted into a body; a reservoir is formed in the plunger with a communication hole formed in a head section thereof to allow communication between an inside and an outside; a high pressure chamber is formed in the body between the body and the plunger bottom section; an oil supply hole is formed in a plunger circumferential wall section; a return spring is interposed between the body and the plunger; a valve mechanism is disposed on the plunger bottom section; the reservoir is set such that a space continuously extends; and the oil supply hole is oriented outward in the radial direction as compared to an axis of the plunger.

    Switching element for a valve train of an internal combustion engine
    84.
    再颁专利
    Switching element for a valve train of an internal combustion engine 有权
    用于内燃机的气门机构的开关元件

    公开(公告)号:USRE44864E1

    公开(公告)日:2014-04-29

    申请号:US11206280

    申请日:2005-08-18

    Abstract: In a switching element (1) for a valve train of an internal combustion engine for switching to different valve lifts, said switching element (1) comprising an outer element (2) having an inner element (4) arranged for axial displacement therein, each of the outer and the inner element (2, 4) comprising a reception (11, 9) aligned to each other in a relative position, at least one piston (10) being arranged in at least one of the receptions (11, 9) for sliding toward the other of the receptions (9, 11) to couple the inner element (4) to the outer element (2) in said relative position, and a high-position stop for defining said relative position being arranged between the inner and the outer element (4, 2), at least one part of the high-position stop is configured as an adjustable, separate element (13). This element (13) cooperates through a preferably conical section (15) of its outer periphery with a complementary chamfer (18) on one end (17) of a guide (16) in the outer element (2). By these extremely simple fabrication measures, an aligned adjustment of the receptions (9, 11) is created for effecting coupling.

    Abstract translation: 在用于切换到不同的气门升降机的用于内燃机的气门机构的开关元件(1)中,所述开关元件(1)包括外部元件(2),所述外部元件(2)具有布置成在其中轴向位移的内部元件(4) 包括在相对位置彼此对准的接收器(11,9)的外部和内部元件(2,4),至少一个活塞(10)布置在至少一个接收部(11,9)中, 用于在所述接收部分(9,11)中滑动以在所述相对位置将内部元件(4)联接到外部元件(2),并且用于限定所述相对位置的高位置止挡件布置在内部元件 所述外部元件(4,2),所述高位置止挡件的至少一部分被构造为可调整的分离元件(13)。 该元件(13)通过其外周缘的优选锥形部分(15)与在外部元件(2)中的引导件(16)的一个端部(17)上的互补倒角(18)配合。 通过这些非常简单的制造措施,产生接收(9,11)的对准调整用于实现耦合。

    FLUID PRESSURE CONTROL VALVE
    85.
    发明申请
    FLUID PRESSURE CONTROL VALVE 审中-公开
    流体压力控制阀

    公开(公告)号:US20120272932A1

    公开(公告)日:2012-11-01

    申请号:US13094882

    申请日:2011-04-27

    Abstract: A valve assembly configured to provide feed-back control of pressurized fluid in a gallery includes a housing and a pressure chamber. The valve assembly also includes a first passage for providing continuous flow of fluid through the gallery and a second passage for supplying the pressurized fluid to the gallery. The valve assembly additionally includes a piston moveable within the pressure chamber between a first position that opens the second passage and a second position that closes the second passage. The piston includes a third passage that provides fluid communication between the first passage and the pressure chamber. Furthermore, the valve assembly includes a spring configured to move the piston to the first position when gallery fluid pressure is less than a threshold pressure value and permit the piston to shift to the second position when gallery fluid pressure is equal to or greater than the threshold pressure value.

    Abstract translation: 构造成提供加工流体在库中的反馈控制的阀组件包括壳体和压力室。 阀组件还包括第一通道,用于提供连续的流体通过该通道,以及第二通道,用于将加压流体供应到该通道。 阀组件还包括活塞,其可以在打开第二通道的第一位置和闭合第二通道的第二位置之间在压力室内移动。 活塞包括在第一通道和压力室之间提供流体连通的第三通道。 此外,阀组件包括弹簧,该弹簧构造成当储液器流体压力小于阈值压力值时将活塞移动到第一位置,并且当储液器流体压力等于或大于阈值时允许活塞移动到第二位置 压力值。

    Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjuster
    86.
    发明授权
    Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjuster 有权
    密封间隙调节器和密封间隙调节器中密封的液体量的调节方法

    公开(公告)号:US07779805B2

    公开(公告)日:2010-08-24

    申请号:US12084379

    申请日:2006-11-08

    CPC classification number: F01L1/2405 F01L1/245 F01L2109/00

    Abstract: The liquid is sealed in the lash adjuster so that the volume “V1” of the gas, in the reservoir chamber when the lash adjuster is being produced and the plunger protrudes from the body, is equal to or more than 1.24 times as great as the sum of the volume “Vo1” of the liquid discharged from the high-pressure chamber when the plunger moves downward, and the increase “Vo2” in the volume of the liquid that expands, due to heat, when the temperature of the gas in the reservoir chamber is increased from the production temperature to the maximum use temperature, and the ratio of “V1” to “Vo1+Vo2” is equal to or higher than a ratio, which is derived based on the production temperature and the maximum use temperature, when the inner pressure of the lash adjuster increases by 500 kPa at maximum.

    Abstract translation: 液体被密封在间隙调节器中,使得当产生间隙调节器并且柱塞从主体突出时在储存室中的气体的体积“V1”等于或大于该体积的1.24倍 当柱塞向下移动时,从高压室排出的液体的体积“Vo1”和由于热而膨胀的液体的体积增加“Vo2”,当气体在 储存室从生产温度上升到最高使用温度,“V1”与“Vo1 + Vo2”的比例等于或高于基于生产温度和最大使用温度导出的比例, 当间隙调节器的内部压力最大增加500 kPa时。

    Open ended mini lash adjuster
    87.
    发明授权
    Open ended mini lash adjuster 有权
    开放式迷你间隙调节器

    公开(公告)号:US07644693B2

    公开(公告)日:2010-01-12

    申请号:US11629595

    申请日:2005-06-24

    Applicant: Majo Cecur

    Inventor: Majo Cecur

    CPC classification number: F01L1/2405 F01L1/24 F01L1/245

    Abstract: A hydraulic lash adjuster (17;61;81) in which the body (19) defines a body bore (39) extending over substantially the entire axial length of the body, thus making it possible to finish the bore (39) by a more accurate process, such as honing. In the FIG. 2 embodiment, there is a cylindrical member (71) disposed in the lower portion of the body bore (39) cooperating to define a leakdown clearance (39,71 S), to isolate side load on the plunger (25) the leakdown. In the FIG. 3 embodiment, there is both the leakdown clearance (23S,39) between the body bore and the plunger (23) and the leakdown clearance (39,71 S) between the body bore and the cylindrical member (71), the leakdown flow rate of FIG. 3 being variable if the body and the cylindrical member (71) comprise dissimilar metals, having different coefficients of thermal expansion.

    Abstract translation: 一种液压间隙调节器(17; 61; 81),其中主体(19)限定在主体的基本上整个轴向长度上延伸的主体孔(39),从而使得可以更多地完成孔(39) 准确的过程,如珩磨。 在图 在图2的实施例中,存在设置在主体孔(39)的下部中的圆柱形构件(71),其协作以限定泄漏间隙(39,71S),以隔离柱塞(25)上的侧向负荷。 在图 在图3的实施例中,体孔和柱塞(23)之间的泄漏间隙(23S,39)和主体孔和圆柱形构件(71)之间的泄漏间隙(39,71S),泄漏流量 的图 3如果主体和圆柱形构件(71)包括不同的金属,具有不同的热膨胀系数,则其可变。

    Hydraulic valve lash adjuster with idle stroke function for a valve train of an internal combustion engine

    公开(公告)号:US07640906B2

    公开(公告)日:2010-01-05

    申请号:US11904693

    申请日:2007-09-28

    Abstract: A hydraulic valve lash adjuster with idle stroke function for a valve train of an internal combustion engine, said hydraulic valve lash adjuster comprising a piston (2, 2′, 2″) that is guided for displacement in a piston housing (4) and elastically supported against said housing (4), said piston (2, 2′, 2″) comprising a low pressure chamber (3) that communicates via an axial opening (7) in a piston bottom (8) with a high pressure chamber (5) defined by the piston housing (4) and the piston (2, 2′, 2″), and further comprising a control valve (9, 9′, 9″, 9′″) acting between said pressure chambers (3, 5), said control valve (9, 9′, 9″, 9′″) comprising a valve closing body (10, 10′, 10″) that can be brought to bear sealingly against a valve seat (15, 15′) that surrounds the axial opening (7) on a piston body undersurface (18) and is received in an element (12, 12′) that limits a closing body stroke (17), and said control valve (9, 9′, 9″, 9′″) further comprising a control valve spring (11) that loads the valve closing body (10, 10′, 10″) with a spring force in opening direction, and an idle stroke being produced during a collapsing movement between the piston (2, 2′, 2″) and the piston housing (4) during which said valve closing body (10, 10′, 10″) is hydraulically loaded in closing direction against the action of the control valve spring (11) by a pressure build-up in the high pressure chamber (5), whereby a retarded pressure build-up can be obtained through a flow control device (23, 23′) arranged on a high pressure chamber-side and comprising a flow control element (24, 24′) and a medium pressure chamber (19) that extends between the flow control element (24, 24′) and the axial opening (7) of the piston (2).

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