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公开(公告)号：US6039018A
公开(公告)日：2000-03-21
申请号：US252144
申请日：1999-02-18
Applicant: Mark James Spath
Inventor： Mark James Spath
CPC classification number: F01L1/25 , F01L1/2405
Abstract: A hydraulic lash adjuster having, in preferred embodiments, a body carrying a reciprocable plunger defining with a closed end of the body, a high pressure oil chamber from which oil may escape through a primary clearance between the plunger and body. Make up oil is fed from a low pressure chamber defined within the plunger. Thermal pump up of the lash adjuster is prevented by a control ring within the plunger which varies the leakdown path with oil temperature so that normal flow is attained at normal engine operating temperature and the clearance is increased to maintain adequate flow at cold engine starting and operating temperatures. In a first embodiment, the control ring forces the side wall of the plunger outward to reduce the primary clearance between the plunger and body. In a second embodiment, the control ring is loose in the plunger and controls a secondary clearance between the control ring and side wall of the plunger which allows higher flow at low temperatures and is reduced or eliminated at normal operating temperatures so that the primary clearance is controlling.
Abstract translation: 在优选实施例中，液压间隙调节器具有承载定位于主体的封闭端的往复式柱塞的主体，高压油室，油可通过该高压油室从柱塞和主体之间的主要间隙排出。 补充油从柱塞内定义的低压室进料。 间隙调节器的热泵通过柱塞内的控制环防止，该控制环改变了油温度的泄漏路径，使得在正常发动机工作温度下达到正常流量，并且增加间隙以在冷发动机启动和运行时保持足够的流量 温度。 在第一实施例中，控制环迫使柱塞的侧壁向外以减小柱塞和主体之间的主要间隙。 在第二实施例中，控制环在柱塞中松动并且控制柱塞的控制环和侧壁之间的二次间隙，其允许在低温下更高的流量并且在正常操作温度下被减少或消除，使得初次间隙为 控制。
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12.发明授权
公开(公告)号：US5875748A
公开(公告)日：1999-03-02
申请号：US73382
申请日：1998-05-06
Applicant: Michael Haas , Walter Speil
Inventor： Michael Haas , Walter Speil
CPC classification number: F01L1/25 , F01L1/143 , F01L1/2405 , F01L13/0005 , F01L13/0036 , F01L2001/187
Abstract: A valve drive of an internal combustion engine, includes a switching mechanism incorporated in a support element for support of a cam follower disposed in driving relationship between a camshaft and the gas exchange valve for switching a gas exchange valve to different valve lift curves in response to an operation of a cam arrangement, whereby the switching mechanism has a hollow cylindrical housing defining an axis and received within an enveloping outer casing, an inner element axially displaceable relative to the housing and so received within the housing as to form at their interface an annular gap, and a coupling mechanism movable in a radial direction in a first radial bore arrangement so as to couple the inner element with the housing in a base circle phase of the cam arrangement by bridging the annular gap to thereby maintain a contact of the cam follower upon the cam arrangement, and movable in a radial direction in a second bore arrangement which is spaced from the first radial bore arrangement in direction of the axis so as to effect a disengagement of the cam follower from the cam arrangement in a phase of maximum cam lift.
Abstract translation: 一种内燃机的阀驱动装置，包括一转换机构，该切换机构结合在支撑元件上，用于支撑凸轮轴和气体交换阀之间的驱动关系的凸轮从动件，用于响应于 凸轮装置的操作，由此切换机构具有限定轴线并被容纳在包封外壳内的中空圆柱形壳体，内部元件可相对于壳体轴向移动并且如此容纳在壳体内以在其界面处形成环形 间隙以及在第一径向孔布置中沿径向移动的联接机构，以便通过桥接所述环形间隙将所述内部元件与所述壳体连接在所述凸轮装置的基圆相位中，从而保持所述凸轮从动件的接触 在所述凸轮装置上，并且可在与所述第一辐射线间隔开的第二孔布置中沿径向移动 沿轴线的方向布置，以便在最大凸轮升程的相位中实现凸轮从动件与凸轮装置的分离。
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公开(公告)号：US5823151A
公开(公告)日：1998-10-20
申请号：US930529
申请日：1997-10-20
Applicant: Harald Elendt , Michael Haas , Gerhard Maas
Inventor： Harald Elendt , Michael Haas , Gerhard Maas
CPC classification number: F01L1/143 , F01L1/25 , F01L13/0036 , F01L2107/00
Abstract: In a switchable cam follower (1) comprising an inner element (2) and an outer element (3), with said inner element (2) comprising a hydraulic clearance compensation device (10), a coupling of the two elements (2, 3) is effected by radially extending coupling means (4). These coupling means (4) and the clearance compensation device (10) which is integrated in the inner element (2) are loaded by hydraulic pressure from a cylinder head of an internal combustion engine through separate channels (9, 8). According to the invention, the spring means (5) for the coupling means (4) are configured so that from a hydraulic medium pressure from about 0.6 bars on (idling engine speed), the elements (2, 3) are uncoupled. When a switching engine speed, for example, 3,000 rpm, has been reached, the hydraulic pressure in the channel (9) is reduced to about 0.1 bars by a control valve (11). The coupling means (4) are displaced by the spring means (5) into a coupling position. The two elements (2, 3) are connected physically to each other. At the same time, unchoked hydraulic pressure continues to prevail in the channel (8) so that even with increasing speed of the internal combustion engine, the clearance compensation device (10) is optimally supplied with hydraulic pressure.
Abstract translation: PCT No.PCT / EP96 / 01227 Sec。 371日期：1997年10月20日 102（e）日期1997年10月20日PCT 1996年3月21日PCT公布。 出版物WO96 / 34185 日期1996年10月31日在包括内部元件（2）和外部元件（3）的可切换凸轮从动件（1）中，所述内部元件（2）包括液压间隙补偿装置（10） 元件（2,3）由径向延伸的联接装置（4）实现。 集成在内部元件（2）中的这些联接装置（4）和间隙补偿装置（10）通过单独的通道（9,8）由来自内燃机的气缸盖的液压加载。 根据本发明，用于联接装置（4）的弹簧装置（5）被构造成使得从液压介质压力大约为0.6巴（空转发动机转速），元件（2,3）是脱开的。 当达到切换发动机转速（例如3,000rpm）时，通过控制阀（11）将通道（9）中的液压降低到约0.1巴。 联接装置（4）被弹簧装置（5）移动到联接位置。 两个元件（2,3）在物理上彼此连接。 同时，在通道（8）中继续保持未压紧的液压压力，使得即使内燃机的速度增加，间隙补偿装置（10）也被最佳地供给液压。
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公开(公告)号：US5787850A
公开(公告)日：1998-08-04
申请号：US892838
申请日：1997-07-15
Applicant: Walter Speil , Dieter Schmidt
Inventor： Walter Speil , Dieter Schmidt
CPC classification number: F01L1/25 , F01L2820/01 , Y10T74/2107
Abstract: The clearance compensation element (1) of the invention which can be installed, for example, in a valve drive of an internal combustion engine has a certain idle stroke function for undesired overpressure states of its high pressure chamber (12) during a base circle phase of the actuating cam. According to the invention, a valve means (14) such as a ball which closes the high pressure chamber (12) in the direction of a reservoir (10) is freely movable within certain limits. The ball (14), while being extremely light, closes the valve seat bore (13) with the shortest possible stroke immediately upon commencement of the opening ramp (A.sub.N) of the cam.
Abstract translation: 例如，可以安装在内燃机的阀驱动器中的本发明的间隙补偿元件（1）具有一定的空转行程功能，用于在基圆相位期间其高压室（12）的不期望的超压状态 的致动凸轮。 根据本发明，诸如球的阀装置（14）在储存器（10）的方向上封闭高压室（12）可在一定限度内自由移动。 球（14）在非常轻的情况下，在凸轮的开口斜坡（AN）开始时立即以最短的行程关闭阀座孔（13）。
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公开(公告)号：US5775275A
公开(公告)日：1998-07-07
申请号：US645339
申请日：1996-05-13
Applicant: Charles Michael Philo
Inventor： Charles Michael Philo
CPC classification number: F01L1/25 , F01L1/143 , F01L2105/02 , F01L2107/00 , Y10T74/2107
Abstract: A valve lifter has a cam follower body with a closed end, or head from which depends concentric inner and outer cylinder surfaces. The inner cylinder surface defines a hollow cylinder having a first, closed end and a second, open end configured to receive a hydraulic lash adjuster, for engagement with the valve of an internal combustion engine. Additionally the inner and outer cylinder surfaces define laterally spaced recesses therebetween for receiving cam engaging rollers supported on transverse shafts extending therein. The shafts are supported at their radially outer ends in openings in the outer cylinder surface and at inner radial ends by abutment with the inner cylinder surface. The cantilevered shafts are thus supported against bending under loads applied by the rollers through the fixing of outer ends in the openings and through frictional interaction of the inner radial ends of the shaft against the inner cylindrical surface of the follower.
Abstract translation: 气门挺杆具有一个具有封闭端的凸轮随动体或头部，该主体相对于同心的内外表面。 内筒表面限定了具有第一封闭端和第二开口端的中空圆柱体，其构造成接收液压间隙调节器，用于与内燃机的阀配合。 此外，内圆柱体表面和外圆柱体表面在它们之间限定横向间隔开的凹部，用于接收支撑在其中延伸的横向轴上的凸轮接合辊。 轴在其外筒表面中的开口中的径向外端处被支撑，并且在内径向端部处通过与内筒表面邻接而被支撑。 因此，悬臂被支撑在由辊施加的载荷下，通过固定开口中的外端并通过轴的内部径向端部与从动件的内圆柱形表面的摩擦相互作用来支撑。
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Patent Agency Ranking
公开(公告)号：US5673662A
公开(公告)日：1997-10-07
申请号：US730110
申请日：1996-10-15
Applicant: Flavio Rigamonti
Inventor： Flavio Rigamonti
CPC classification number: F01L1/25 , Y10T74/2107
Abstract: A direct-acting hydraulic tappet having a cup-like tappet body which includes a cylindrical projection extending inwardly from the base of the body and in which the hydraulic element of the tappet is received. A resiliently deformable diaphragm is received in the space formed between the peripheral wall of the tappet body and the cylindrical projection. The diaphragm defines two concentric outer and inner annular wells for allow oil entering the tappet body from an external source to overflow from the outer well into the inner well to provide a supply of deaerated oil to the low pressure inner chamber of the tappet. The diaphragm is fixed to the tappet body by being received in slots formed in the body and in the cylindrical projection, or by means of a press fit therein.
Abstract translation: 一种具有杯形挺杆本体的直动式液压挺杆，其包括从主体的基部向内延伸的圆柱形凸起，并且其中容纳挺杆的液压元件。 可弹性变形的隔膜被容纳在形成在挺杆本体的周壁和圆柱形突起之间的空间中。 隔膜限定了两个同心的外部和内部环形孔，用于允许油从外部源进入挺杆本体，以从外部井溢出到内部井中，以向挺杆的低压内部室供应脱气油。 隔膜通过容纳在形成在主体中的槽中和在圆柱形突起中或通过压配合而固定到挺杆体上。
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公开(公告)号：US5673660A
公开(公告)日：1997-10-07
申请号：US685652
申请日：1996-10-16
Applicant: Jose F. Regueiro
Inventor： Jose F. Regueiro
CPC classification number: F01L1/143 , F01L1/185 , F01L1/20 , F01L1/2405 , F01L1/25 , F01L1/262 , F01L1/265 , F01L2003/251 , F01L2003/256 , F01L2105/00 , F02B2275/18
Abstract: A valve train for internal combustion engines utilizing an inverted bucket tappet with a pivot structure operatively disposed between the tappet and the end of the valve stem allowing the valves to be angulated with respect to each other and to the axis of the cylinder in both the transversal and the horizontal planes of the engine. Accordingly on a multi-valve engine, the valves extend radially from the associated combustion chamber to open and increase space in the center of the cylinder head for spark plugs, injectors, or pre-combustion chambers and so that the combustion chamber can be designed with a hemispherical surface, with tangentially disposed valve heads. The construction allows the use of large valves in conjunction with stronger, better-cooled valve seats and bridges. The tappets can be actuated conventionally by direct-acting overhead camshafts or by rocker arms and "T" bridges.
Abstract translation: 一种用于内燃机的气门机构，其利用具有可操作地设置在挺杆和阀杆的端部之间的枢转结构的倒置的斗杆挺杆，其允许阀在横向方向上相对于彼此和气缸的轴线成角度 和发动机的水平面。 因此，在多气门发动机上，阀从相关联的燃烧室径向延伸以打开并增加用于火花塞，喷射器或预燃烧室的气缸盖中心的空间，并且使得燃烧室可以设计成 一个半球形表面，具有切向设置的阀头。 该结构允许使用大型阀门与更强，更好冷却的阀座和桥梁一起使用。 挺杆可以通过直接作用的顶置凸轮轴或摇臂和“T”桥进行传动。
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公开(公告)号：US5636604A
公开(公告)日：1997-06-10
申请号：US619578
申请日：1996-03-19
Applicant: Walter Speil
Inventor： Walter Speil
CPC classification number: F01L1/143 , F01L1/25 , F01L2101/00
Abstract: A tappet (1) for a valve drive or an internal combustion engine comprising a hollow cylindrical housing (2) guided for axial displacement by a jacket (3) thereof in a reception bore (4) of a cylinder head (5), an end of the housing (2) facing a cam (8) being closed by a bottom (7), a guide sleeve (11) arranged concentrically in the tappet (1) for guiding a hydraulic clearance compensation element (10) being supported by a connected web (12) against the jacket (3) which is made of two separate, bush-like sections (14,15) of approximately equal diameter separated from each other in the region of a central transverse plane, and a first cup-shaped section (14) of the jacket (3) being connected at a cam-proximate end thereof to the bottom (7), characterized in that the second, lower section (15) comprises an extension (16) starting axially adjacent the first section (14) and extending into an immediate vicinity of the bottom (7), the second section (15) with its extension (16) has a smaller wall thickness than the first section (14) and is made as a sheet metal or plastic element, the extension (16) bears by an outer peripheral surface (17) thereof against an inner peripheral surface (18) of the first section (14).
Abstract translation: PCT No.PCT / EP94 / 03630 Sec。 371日期：1996年3月19日 102（e）1996年3月19日PCT PCT 1994年11月4日PCT公布。 公开号WO95 / 13457 日期1995年5月18日一种用于阀驱动器或内燃机的挺杆（1），其包括中空圆柱形壳体（2），所述中空圆柱形壳体（2）通过其套筒（3）被引导以在气缸盖（5）的接收孔（4）中轴向位移 ），壳体（2）的面向由底部（7）封闭的凸轮（8）的端部，同心地布置在挺杆（1）中的引导套筒（11），用于引导液压间隙补偿元件（10） 由连接的腹板（12）支撑在所述护套（3）上，所述夹套（3）由在中心横向平面区域中彼此分开的大致相等直径的两个分开的衬套状部分（14,15）制成，并且第一 所述护套（3）的杯形部分（14）在凸轮的近端处连接到底部（7），其特征在于，所述第二下部（15）包括延伸部（16），所述延伸部 第一部分（14）并且延伸到底部（7）的紧邻附近，第二部分（15）延伸（ 16）具有比第一部分（14）更小的壁厚，并且被制成为金属片或塑料元件，延伸部（16）由其外周表面（17）承载在其内周表面（18）上， 第一节（14）。
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公开(公告)号：US5595149A
公开(公告)日：1997-01-21
申请号：US589480
申请日：1996-01-22
Applicant: Walter Speil , Dieter Schmidt
Inventor： Walter Speil , Dieter Schmidt
CPC classification number: F01L1/2405 , F01L1/2411 , F01L1/25 , Y10T74/20882 , Y10T74/2107
Abstract: A method of leakproof first filling of a hydraulic valve actuating tappet (1) with hydraulic oil,a) comprising almost completely filling the central oil reservoir (7) together with a high pressure chamber (18) situated axially between the bottom (11) of the pressure piston (10) and the guide sleeve (5), and the annular oil reservoir (17), with hydraulic oil, andb) filling at least the supply bore (19) leading to the annular oil reservoir (17), with a lubricating grease or a pasty material (20) which is flow-resistant at ambient temperature.
Abstract translation: 一种防止用液压油首先填充液压阀致动挺杆（1）的方法，a）包括几乎完全填充中央储油器（7）的高压室（18），轴向位于底部（11）之间的高压室 压力活塞（10）和导向套筒（5）以及环形储油器（17），并具有液压油，以及b）至少填充通向环形储油器（17）的供应孔（19） 在环境温度下耐流动的润滑脂或糊状材料（20）。
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公开(公告)号：US5586528A
公开(公告)日：1996-12-24
申请号：US586376
申请日：1996-01-16
Applicant: Walter Speil
Inventor： Walter Speil
IPC: F01L1/25
CPC classification number: F01L1/25
Abstract: A tappet (1) for a valve drive of an internal combustion engine, characterized in that an upper edge (22) of the cylindrical element (15) extends directly along the underside (8) of the housing bottom (7) except in a region of a trough-like formation (24) provided in the cylindrical element (15) in a region of the underside (8) of the housing bottom (7) for oil transfer from the canal (19) into the annular oil reservoir (18), the ratio of the width of the recess (24) at an upper edge thereof facing the bottom of the width of the canal (19) is .gtoreq.1.75.
Abstract translation: 一种用于内燃机的阀驱动器的挺杆（1），其特征在于，所述圆柱形元件（15）的上边缘（22）直接沿着所述壳体底部（7）的下侧（8）延伸，除了区域 在所述壳体底部（7）的下侧（8）的区域中设置在所述圆筒形元件（15）中的槽状结构（24），用于将油从所述管道（19）输送到所述环形储油器（18）中， 在与槽（19）的宽度的底部相对的上边缘处的凹部（24）的宽度比为大于等于1.75。
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