公开(公告)号：US4940048A

公开(公告)日：1990-07-10

申请号：US434857

申请日：1989-11-09

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18

CPC classification number: F01L1/183

Abstract: A one-piece, cold-formed rocker arm is disclosed. The rocker arm is of the boat type and includes a one-piece metal body which is cold-formed from a metal blank and is of U-shaped cross-sectional configuration throughout most of its length. The body has a bottom wall with structurally-integral side walls extending upwardly therefrom in generally parallel relationship. An intermediate, concave portion of the bottom wall has an opening therethrough which receives a fulcrum of a pivot post. One end portion of the rocker arm body has a recess to receive an end of a push rod which imparts pivotal motion to the rocker arm about the fulcrum. The other end of the rocker arm body has a pad for engaging an end of a valve stem to impart motion to the valve stem when the rocker arm is pivoted about the fulcrum. Outwardly-extending stiffening flanges are formed at upper edge portions of intermediate portions of the side walls, which provides strength and stiffness to the side walls. The flanges substantially eliminate or at least substantially reduce buckling of the side walls during operation of the rocker arm and thereby eliminate or substantially reduce deflection between the two and portions of the rocker arm body.

Abstract translation: 公开了一体式冷成型摇臂。 摇臂是船型的，并且包括由金属坯料冷成型并且在其大部分长度上具有U形横截面构造的一体式金属体。 主体具有底壁，其具有以大致平行关系从其向上延伸的结构一体的侧壁。 底壁的中间凹入部分具有穿过其中的开口，其接收枢轴柱的支点。 摇臂主体的一个端部具有凹部，用于接收推杆的端部，该推杆向摇臂围绕支点施加枢转运动。 摇臂主体的另一端具有用于接合阀杆的端部的垫，当摇臂围绕支点枢转时，该杆用于向阀杆施加运动。 向外延伸的加强凸缘形成在侧壁的中间部分的上边缘部分处，这为侧壁提供了强度和刚度。 在摇臂的操作期间，凸缘基本上消除或至少基本上减小了侧壁的弯曲，从而消除或基本上减小了摇臂本体的两个和部分之间的偏转。

公开(公告)号：US4825717A

公开(公告)日：1989-05-02

申请号：US243627

申请日：1988-09-12

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18 ,  F16H53/06 ,  B23P15/00 ,  G05G1/04

CPC classification number: F16H53/06 ,  F01L1/185 ,  F01L2105/00 ,  F01L2105/02 ,  Y10T29/49295 ,  Y10T74/20582 ,  Y10T74/20882

Abstract: A one-piece, cold-formed rocker arm of the cam-follower type is provided. The rocker arm includes a one-piece metal body cold formed from a metal blank and being of inverted U-shaped cross section throughout most of its length. The body has a top wall with depending, structurally-integral side walls. An intermediate, convex portion of the top wall has an opening extending therethrough with an axle extending between the side walls below the opening. A cam-contacting roller is rotatably mounted on the axle and has a circumferential surface exposed at the opening to engage a cam. The rocker arm body has a recess at one end portion to receive a lifter post and an additional recess at another end portion to receive an end of a valve stem. The one end portion of the body is wider than the remainder of the body. Ribs are formed at the lower edges of the body and extend along the intermediate portion of the body between the two end portions. The outer edges of the ribs do not extend beyond the side walls of the body at the one end portion thereof.

Abstract translation: 提供了一体式的冷弯形凸轮从动摇臂。 摇臂包括由金属坯料形成的一体式金属体，并且在其大部分长度上具有倒U形横截面。 身体具有顶壁，具有固定的，结构整体的侧壁。 顶壁的中间凸起部分具有延伸穿过其中的开口，并且在开口下方的侧壁之间延伸的轴。 凸轮接触辊可旋转地安装在轴上并具有暴露在开口处以与凸轮接合的圆周表面。 摇臂主体在一端部具有凹部，以在另一端部处接收提升器柱和附加凹部，以接收阀杆的端部。 身体的一端部比身体的其余部分宽。 肋体形成在主体的下边缘处并且沿着主体的中间部分在两个端部之间延伸。 肋的外边缘在其一个端部处不延伸超出主体的侧壁。

公开(公告)号：US5063889A

公开(公告)日：1991-11-12

申请号：US571790

申请日：1990-08-24

Applicant: Stanley J. Pryba ,  Jesse V. Mills ,  Sherkoh A. Abbas

Inventor： Stanley J. Pryba ,  Jesse V. Mills ,  Sherkoh A. Abbas

IPC: F01L1/18

CPC classification number: F01L1/182

Abstract: A cold-formed rocker arm with unique lubrication provisions is disclosed. The rocker arm includes a one-piece metal body of generally inverted U-shaped cross section having a top wall and two side walls. One end of the body has a recess to engage an end of a push rod and the other end has a large, upwardly-facing recess to retain oil so as to provide lubrication substantially immediately when the engine is started. The bottom surface of the reservoir forms a pad to engage an end of a valve stem. A mounting bolt of the rocker arm has a splash ring on the head thereof to disperse oil when intercepting a stream thereof.

Abstract translation: 公开了一种具有独特润滑条件的冷成型摇臂。 摇臂包括具有顶壁和两个侧壁的大体倒置的U形横截面的单件金属体。 主体的一端具有与推杆的端部接合的凹部，另一端具有一个大的向上的凹槽，以保持油，从而当发动机启动时基本上立即提供润滑。 储存器的底表面形成垫以接合阀杆的端部。 摇臂的安装螺栓在其头部上具有飞溅环，以在截流其流时分散油。

公开(公告)号：US4913104A

公开(公告)日：1990-04-03

申请号：US278258

申请日：1988-11-30

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18 ,  F01L1/26 ,  F02F1/24 ,  F02F1/42

CPC classification number: F01L1/26 ,  F01L1/182 ,  F01L2001/188 ,  F02F1/4214 ,  F02F2001/245

Abstract: A rocker arm of the cam-follower type capable of simultaneously operating two valves of a cylinder of an internal combustion engine is disclosed. In a preferred form, the rocker arm has a one-piece, cold-formed body which is of inverted U-shaped cross section throughout much of its length. The rocker arm body is of generally Y-shaped configuration as viewed from above. The extremities of the arms of the Y-shaped body are shaped to engage ends of valve stems and the extremity of the leg of the Y-shaped body has an axle on which a cam-contacting roller is rotatably mounted. An intermediate portion of the rocker arm has an upwardly-facing recess to receive an end of a pivot post.

Abstract translation: 公开了能够同时操作内燃机的气缸的两个阀的凸轮从动器的摇臂。 在优选的形式中，摇臂具有一整体的冷成形体，其大部分长度为倒U形横截面。 摇臂主体从上方观察为大致Y形构造。 Y形体的臂的末端成形为接合阀杆的端部，并且Y形体的腿的末端具有轴，凸轮接触辊可旋转地安装在该轴上。 摇臂的中间部分具有向上的凹部，以容纳枢轴柱的端部。

公开(公告)号：US5259346A

公开(公告)日：1993-11-09

申请号：US972427

申请日：1992-11-05

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18 ,  F01L1/26

CPC classification number: F01L1/185 ,  F01L2105/02 ,  Y10T74/20582 ,  Y10T74/20882

Abstract: A rocker arm of the cam-follower type simultaneously operates two valves of a cylinder of an internal combustion engine. The rocker arm includes an intermediate portion and two end portions. The intermediate portion has upwardly extending side walls and end walls forming a large generally rectangular opening at the top edges thereof. The side walls have aligned holes carrying an axle on which is rotatably mounted a roller which contacts an overhead cam. One end portion of the rocker arm has a downwardly-facing recess to engage an upper end of a lifter post. The other end portion of the rocker arm has a long, narrow web with downwardly-facing pads near the ends thereof and in predetermined, spaced relationship. The pads engage upper ends of two valve stems for simultaneously operating valves to which the stems are connected.

Abstract translation: 凸轮从动器的摇臂同时操作内燃机气缸的两个阀。 摇臂包括中间部分和两个端部部分。 中间部分具有向上延伸的侧壁和在其顶部边缘处形成大的矩形开口的端壁。 侧壁具有承载轴的对准的孔，其上可旋转地安装有与顶置凸轮接触的辊。 摇臂的一端部具有面向下的凹部，以与升降柱的上端接合。 摇臂的另一端部具有长而窄的网状物，其具有靠近其端部并以预定的间隔关系的向下的垫。 垫片接合两个阀杆的上端，用于同时操作杆连接到其上的阀。

公开(公告)号：US5048475A

公开(公告)日：1991-09-17

申请号：US642645

申请日：1991-01-17

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18

CPC classification number: F01L1/185 ,  F01L2103/00 ,  F01L2105/02 ,  Y10T74/20582 ,  Y10T74/20882

Abstract: A rocker arm has a one-piece metal body made by cold-forming operations, including staming, extruding, coining, and back-packing. The rocker arm includes an intermediate portion and two end portions. The intermediate portion has substantially parallel side walls with a large, generally rectangular opening at the top and with two end top walls extending sharply downwardly therefrom. The parallel side walls are deep and both the side walls and top walls are thinner at upper portions than at lower portions. A first end portion of the body has a wide top wall with arcuate side walls. A method of making the rocker arm includes forming a metal blank with a U-shaped cross section having a convex central portion. A slot is formed in the central portion and that portion is then pushed out or extruded to form the large, generally rectangular opening.

Abstract translation: 摇臂具有通过冷成型操作制成的一体式金属体，包括定型，挤压，压印和背包装。 摇臂包括中间部分和两个端部部分。 中间部分具有基本上平行的侧壁，在顶部具有大的大致矩形的开口，并且两个顶部顶壁从其向下急剧向下延伸。 平行的侧壁是深的，并且侧壁和顶壁在上部比在下部更薄。 主体的第一端部具有宽的顶壁，其具有弓形侧壁。 制造摇臂的方法包括形成具有凸形中心部分的具有U形横截面的金属坯料。 在中心部分形成槽，然后将该部分推出或挤出以形成大的大致矩形的开口。

公开(公告)号：US5016582A

公开(公告)日：1991-05-21

申请号：US596359

申请日：1990-10-12

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18

CPC classification number: B21K1/205 ,  F01L1/185 ,  Y10T74/20582 ,  Y10T74/20882

Abstract: A one-piece, cold-formed rocker arm of the cam-follower type includes a one-piece metal body which is cold-formed from a metal blank and is of U-shaped cross section at first and second end portions. The first end of said body has a bottom wall and two upwardly-extending side walls with a rounded recess in the bottom wall having a concave side facing downwardly for receiving an end of a lifter post on which the rocker arm can pivot. The second end of the body has a groove formed by a bottom wall with two downwardly-extending side walls and two doubled-back, upwardly-extending side walls which are structurally integral at lower edges with lower edges of the downwardly-extending side walls. The groove of the second end portion faces downwardly to receive an upper end of a valve stem. An intermediate portion of the body has two substantially parallel side walls which are structurally integral with the upwardly-extending side walls of the first and second end portions. The intermediate portion of the body is open between the parallel side walls and between the bottom walls of the first and second portions. The parallel side walls carry an axle on which a roller is rotatably mounted for engaging an overhead cam.

Abstract translation: 凸轮从动件的一体式冷成型摇臂包括由金属坯料冷成形并且在第一和第二端部具有U形横截面的一体式金属体。 所述主体的第一端具有底壁和两个向上延伸的侧壁，在底壁中具有圆形凹槽，其具有面向下的凹形侧面，用于接收升降器支柱的端部，摇臂可在该端部枢转。 主体的第二端具有由底壁形成的凹槽，底槽具有两个向下延伸的侧壁和两个双向向上延伸的侧壁，这两个侧壁在下边缘处具有结构上整体，并且向下延伸的侧壁的下边缘。 第二端部的槽面向下以容纳阀杆的上端。 主体的中间部分具有两个基本上平行的侧壁，它们在结构上与第一和第二端部的向上延伸的侧壁成一体。 主体的中间部分在平行的侧壁之间和第一和第二部分的底壁之间是敞开的。 平行的侧壁带有一个轴，滚轮可旋转地安装在该轴上用于接合顶置凸轮。

公开(公告)号：US4979475A

公开(公告)日：1990-12-25

申请号：US528417

申请日：1990-05-25

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18 ,  F01L1/24 ,  F01L3/20 ,  F01L13/00

CPC classification number: F01L1/185 ,  F01L13/0036 ,  F01L2105/02 ,  Y10T74/20582

Abstract: A cold-formed rocker arm of the cam-follower type is specifically designed for variable-lift engines. The rocker arm comprises a one-piece metal body preferably of generally inverted U-shaped cross section throughout most of its length. The body has a top wall and two side walls extending downwardly therefrom and carrying an axle on which a cam-contacting roller is rotatably mounted and exposed through a central opening in the top wall above the roller to be engaged by a tapered cam of a cam shaft. The rocker arm has a substantially semi-spherical recess at one end to receive an end of a lifter post on which the rocker arm can pivot. The other end of the body has an open-ended channel extending longitudinally of the body to receive a rounded upper end of a valve stem. A lubrication port in the top wall of the rocker arm communicates with an inner end and with a clearance in a central portion of the channel. The clearance provides a lubrication path for the flow of oil along the channel. Sliding contact is obtained between the valve stem and the channel during operation yet the rocker arm resists transverse forces caused by the tapered cam of the variable-lift cam shaft.

Abstract translation: 凸轮从动型的冷成型摇臂是专为可变升降发动机而设计的。 摇臂包括整体金属体，其整体大部分长度优选为大致倒U形的横截面。 主体具有从其向下延伸的顶壁和两个侧壁，并且承载一个轴，凸轮接触辊可旋转地安装在该轴上，并通过辊上方的顶壁中的中心开口暴露于凸轮的锥形凸轮 轴。 摇臂在一端具有基本上半球形的凹部，以接收升降器支柱的端部，摇臂可在该端部枢转。 主体的另一端具有沿主体纵向延伸的开口通道，以接收阀杆的圆形上端。 摇臂顶壁的润滑口与内端连通，并且在通道的中心部分具有间隙。 间隙为油路沿通道提供润滑路径。 在操作过程中，在阀杆和通道之间获得滑动接触，而摇臂抵抗由可变提升凸轮轴的锥形凸轮引起的横向力。

公开(公告)号：US4944257A

公开(公告)日：1990-07-31

申请号：US413229

申请日：1989-09-27

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/18

CPC classification number: F01L1/182

Abstract: A cold-formed, specifically stamped, rocker arm is disclosed. The rocker arm has a one-piece metal body of generally inverted U-shaped cross section throughout most of its length. The body has a top wall and two generally parallel side walls which extend downwardly therefrom and are structurally integral therewith. The side walls have annular extruded flanges extnding outwardly therefrom and forming aligned bores to receive bearings. The rocker arm body has a recess at one end to engage an end of a push rod and a surface at the other end to engage an end of a valve stem. The top wall of the rocker arm body has a splash plate extending upwardly therefrom and the wall also has a port communicating with the recess to direct oil at the splash plate which is then dispersed and more widely distributed by the plate.

Abstract translation: 公开了一种冷成型特别冲压的摇臂。 摇臂具有在其大部分长度上大致倒U形横截面的单件金属体。 主体具有从其向下延伸并且在结构上与其成一体的顶壁和两个大致平行的侧壁。 侧壁具有从其向外延伸的环形挤压凸缘并且形成对准的孔以接收轴承。 摇臂体在一端具有凹部，以与推杆的端部和另一端的表面接合，以与阀杆的端部接合。 摇臂体的顶壁具有从其向上延伸的飞溅板，并且该壁还具有与凹部连通的端口，以引导溅射板上的油，然后分散并且更广泛地分布在板上。

公开(公告)号：US4848180A

公开(公告)日：1989-07-18

申请号：US241062

申请日：1988-09-06

Applicant: Jesse V. Mills

Inventor： Jesse V. Mills

IPC: F01L1/16 ,  F01L1/18

CPC classification number: F01L1/16 ,  F01L1/183 ,  Y10T29/49295 ,  Y10T74/20582 ,  Y10T74/20882

Abstract: A low-friction, boat-type, cold-formed rocker arm is provided. The rocker arm is of generally U-shaped configuration in transverse cross section throughout most of its length. An intermediate portion of the rocker arm has a concave interior surface extending there-across with a central opening through which a shank of a pedestal extends. One end portion of the rocker arm has a concave recess facing downwardly to receive the upper end of a push rod. The other end portion of the rocker arm has a rectangular opening in the bottom thereof. An axle extends between side walls of the rocker arm above the rectangular opening and a roller is rotatably mounted on the axle and has a circumferential portion exposed at the rectangular opening. The roller engages an end of a valve stem with rolling, rather than sliding, contact, resulting in lower friction during operation of the rocker arm.

Abstract translation: 提供了低摩擦，船型，冷成型的摇臂。 摇臂在其大部分长度上横截面为大致U形构型。 摇臂的中间部分具有在其上延伸的凹形内表面，并且具有中心开口，基座的柄部通过该中心开口延伸。 摇臂的一个端部具有面向下的凹入凹部，以容纳推杆的上端。 摇臂的另一端部在其底部具有矩形开口。 轴在摇臂上方在矩形开口上方延伸，并且辊可旋转地安装在轴上，并且具有在矩形开口处露出的圆周部分。 辊子与阀杆的端部接合而不是滑动接触，导致摇臂操作期间的较低摩擦力。