公开(公告)号：US5787849A

公开(公告)日：1998-08-04

申请号：US751688

申请日：1996-11-18

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F01L1/053 ,  F01L1/356 ,  F02D13/02 ,  F01L1/34 ,  F01L1/26 ,  F01L13/00

CPC classification number: F02D13/0215 ,  F01L1/053 ,  F01L1/356 ,  F02D13/0234 ,  F01L2001/0537 ,  F01L2105/00 ,  Y02T10/18

Abstract: A variable phase valve timing assembly for an internal combustion engine. A camshaft driven by a rotating crankshaft of the invention actuates an intermediate member such as a pivotally mounted lever a bucket tappet a first portion of which bears against a cam supported by the camshaft and a second portion of which bears against a valve of the engine such that rotation of the camshaft displaces the intermediate member and valve in a cyclical manner. The camshaft is displaceable relative to the intermediate member along a predetermined path, and means are provided for displacing the camshaft in dependence upon a control input, for example engine speed. The geometry of the predetermined path and of the first portion of the intermediate member are such that movement of the camshaft alters the phase of displacements of the valve relative to rotation of the engine.

Abstract translation: 一种用于内燃机的可变相位气门正时组件。 由本发明的旋转曲轴驱动的凸轮轴致动诸如枢转安装的杠杆的中间构件，铲斗挺杆的第一部分支撑在由凸轮轴支撑的凸轮上，其第二部分支撑在发动机的阀上， 凸轮轴的旋转以循环方式使中间构件和阀移动。 凸轮轴可相对于中间构件沿预定路径移动，并且提供用于根据控制输入（例如发动机转速）使凸轮轴移动的装置。 预定路径和中间构件的第一部分的几何形状使得凸轮轴的运动改变阀相对于发动机旋转的位移的相位。

公开(公告)号：US4572025A

公开(公告)日：1986-02-25

申请号：US645565

申请日：1984-08-30

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F02B61/02 ,  F02B67/00 ,  F02B75/18 ,  F16F15/26 ,  F16C3/20

CPC classification number: F02B75/18 ,  F16F15/265 ,  F02B61/02 ,  F02B67/00 ,  Y10T74/19084 ,  Y10T74/2184

Abstract: A balancing system for use in for example a motorcycle engine to balance forces generated by a piston and connecting rod arrangement connected to a crankshaft. The crankshaft supports a first gear meshing with a second internal gear supported by an intermediate member such that the intermediate member rotates in the same direction as the crankshaft. The intermediate member supports a third external gear driving one or more balance shafts. In a single balance shaft arrangement, the external gear drives the balance shaft directly. In a twin balance shaft arrangement, the external gear drives one of the balance shafts directly and drives the other balance shaft via a further gear supported by a further intermediate member.

Abstract translation: 一种用于例如摩托车发动机以平衡由活塞产生的力和连接到曲轴的连杆装置的平衡系统。 曲轴支撑与由中间构件支撑的第二内齿轮啮合的第一齿轮，使得中间构件沿与曲轴相同的方向旋转。 中间构件支撑驱动一个或多个平衡轴的第三外齿轮。 在单个平衡轴装置中，外齿轮直接驱动平衡轴。 在双平衡轴装置中，外齿轮直接驱动一个平衡轴，并通过由另一中间构件支撑的另一齿轮驱动另一平衡轴。

公开(公告)号：US08534959B2

公开(公告)日：2013-09-17

申请号：US11037031

申请日：2005-01-17

Applicant: James N. Thompson ,  Clifford H. Ray ,  Glenn D. Fisseler ,  Roger L. Fyffe ,  Stephen W. Mitchell ,  William E. Boone

Inventor： James N. Thompson ,  Clifford H. Ray ,  Glenn D. Fisseler ,  Roger L. Fyffe ,  Stephen W. Mitchell ,  William E. Boone

IPC: G01V1/16 ,  G01V1/38 ,  B63C11/52

CPC classification number: G01V1/3852 ,  B63B22/00 ,  B63B22/18 ,  B63B2211/02 ,  B63C11/00 ,  B63G8/00 ,  B63G8/001 ,  B63G2008/004 ,  B63G2008/007

Abstract: A deployment and retrieval apparatus for ocean bottom seismic receivers, the apparatus being a remotely operated vehicle (ROV) having a carrier attached thereto and carrying a plurality of receivers. The carrier comprises a frame in which is mounted a structure for seating and releasing said receivers. The structure may comprise a movable carousel or a movable conveyor or fixed parallel rails or a barrel. The structure includes a discharge port on said frame and a discharge mechanism for removing and retrieving said receivers. A method for deployment and retrieval of ocean bottom seismic receivers comprises the steps of loading a carrier with a plurality of receivers, attaching said carrier to an ROV, utilizing said ROV to transport the carrier from a surface vessel to a position adjacent the seabed and thereafter utilizing said ROV to remove receivers from said carrier and place the receivers on the seabed.

Abstract translation: 一种用于海底地震接收器的部署和检索装置，该装置是具有附接到其上并承载多个接收器的载体的遥控车辆（ROV）。 载体包括框架，其中安装有用于安放和释放所述接收器的结构。 该结构可以包括可移动的圆盘传送带或可移动的输送机或固定的平行导轨或筒。 该结构包括在所述框架上的排出口和用于移除和检索所述接收器的排放机构。 用于海底地震接收机的部署和检索的方法包括以下步骤：将具有多个接收器的载体加载，将所述载体连接到ROV，利用所述ROV将载体从地面船运送到邻近海底的位置 利用所述ROV从所述载体移除接收器并将接收器放置在海床上。

公开(公告)号：US4872428A

公开(公告)日：1989-10-10

申请号：US297199

申请日：1989-01-04

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F01L1/34 ,  F01L1/356 ,  F01L13/00 ,  F16H35/02

CPC classification number: F16H35/02 ,  F01L1/356 ,  F01L2001/0473 ,  Y10T74/2102

Abstract: A driving connection between a first and hollow shaft (1) and a second shaft (3) within it, the axes (19, 20) of the two shafts being parallel at all times. By relative radial displacement of the two axes, the first shaft rotates at a variable and fluctuating speed within each revolution in response to uniform rotation of the second shaft. The ball (36) or part-cylindrical (22) end of a radial arm (2), carried by the second shaft, engages rotatably with a recess (37, 31) in a block (4) movable in a radial slideway (23) formed on the first shaft. Axial compactness is promoted by the arm, block and slideway all lying in a common radial plane (30), and radial compactness by the manner of engagement between the arm end (36, 22) and the corresponding recess (37, 31). The invention finds particular use where the first shaft (1) is the camshaft of an internal combustion engine, and in which the relative movement of the shaft axes (19, 20) may therefore be used to vary the timing of the engine valves (7, 8).

Abstract translation: PCT No.PCT / GB88 / 00376 Sec。 371日期：1989年1月4日 102（e）日期1989年1月4日PCT提交1988年5月13日PCT公布。 出版物WO88 / 08919 日期：1988年11月17日。在第一空心轴（1）和第二轴（3）之间的驱动连接中，两个轴的轴线（19,20）始终平行。 通过两个轴的相对径向位移，第一轴响应于第二轴的均匀旋转而在每转一周内以可变和波动的速度旋转。 由第二轴承载的径向臂（2）的球体（36）或部分圆柱形（22）端部可旋转地接合在可在径向滑道（23）中移动的块体（4）中的凹部（37,31） ）形成在第一轴上。 臂，块体和滑道全部位于共同的径向平面（30）中，通过臂端（36,22）和相应的凹部（37,31）之间的接合方式促进径向致密度。 本发明特别用于第一轴（1）是内燃机的凸轮轴，并且其中轴轴（19,20）的相对运动因此可用​​于改变发动机气门（7 ，8）。

公开(公告)号：US4131096A

公开(公告)日：1978-12-26

申请号：US779877

申请日：1977-03-21

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F01L1/344 ,  F01L13/00 ,  F01L1/34

CPC classification number: F01L1/344 ,  F01L13/00 ,  Y10T74/2102

Abstract: A variable valve timing mechanism for an internal combustion engine including at least one valve-actuating camshaft driven from a crankshft is described. The valve timing mechanism comprises a movable member which is arranged in use to be rotatable by the crankshaft and movable in translation relative to the camshaft in dependence upon an engine operating condition such as engine load or speed. The movable member is connected to the camshaft by an eccentric linkage such that movement of the movable member relative to the camshaft varies the angular position of the camshaft relative to the crank and also varies the rate of angular movement of the camshaft, thereby varying the valve timing.

Abstract translation: 描述了一种用于内燃机的可变气门正时机构，其包括从曲柄轴驱动的至少一个阀致动凸轮轴。 气门正时机构包括可动构件，该可动构件在使用中可由曲轴旋转并且可相对于诸如发动机负载或速度的发动机操作条件相对于凸轮轴平移地平移。 可动构件通过偏心联接件连接到凸轮轴，使得可移动构件相对于凸轮轴的运动改变凸轮轴相对于曲柄的角位置，并且还改变凸轮轴的角运动速率，从而改变阀 定时。

公开(公告)号：US5417611A

公开(公告)日：1995-05-23

申请号：US64129

申请日：1993-05-21

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F01L1/34 ,  F01L1/356 ,  F01L13/00 ,  F02D13/02 ,  F16H35/02 ,  F16D3/04

CPC classification number: F16H35/02 ,  F01L1/356 ,  F01L2001/0473 ,  Y10T74/2102

Abstract: A driving connection between a hollow camshaft (1) and its driving shaft (5) located within it, the axes (3, 8) of these two members being parallel but laterally displaceable to vary the characteristics of rotation of the camshaft in response to constant-speed rotation of the driving shaft. The camshaft supports a slideway (11) in which moves a slider (12) which makes a rotary joint with the end of an arm (15) carried by the driving shaft. The geometry of the arm is such that the center of rotation (18) of the rotary joint lies within the outline of the periphery of the driving shaft (5) when viewed along its axis (8), thus promoting radial compactness. The essential component of the arm may be an item (15) of crescent-shaped cross-section, the concave surface (19) of the crescent registering with the surface of the driving shaft.

Abstract translation: PCT No.PCT / GB91 / 01680 Sec。 371日期：1993年5月21日 102（e）日期1993年5月21日PCT 1991年9月30日PCT PCT。 出版物WO92 / 06282 日期：1992年4月16日。空心凸轮轴（1）和位于其中的驱动轴（5）之间的驱动连接，这两个构件的轴线（3,8）平行但可横向移位以改变旋转特性 的凸轮轴响应于驱动轴的恒定速度旋转。 凸轮轴支撑滑道（11），滑块（11）移动与由驱动轴承载的臂（15）的端部形成旋转接头的滑块（12）。 臂的几何形状使得当沿其轴线（8）观察时，旋转接头的旋转中心（18）位于驱动轴（5）的外围轮廓内，从而提高径向致密度。 臂的主要部件可以是月牙形横截面的项目（15），新月形凹面（19）与驱动轴的表面对准。

公开(公告)号：USRE31917E

公开(公告)日：1985-06-18

申请号：US450343

申请日：1982-12-16

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F01L1/344 ,  F01L13/00

CPC classification number: F01L1/344 ,  F01L13/00 ,  Y10T74/2102

Abstract: A variable valve timing mechanism for an internal combustion engine including at least one valve-actuating camshaft driven from a crankshaft is described. The valve timing mechanism comprises a movable member which is arranged in use to be rotatable by the crankshaft and movable in translation relative to the camshaft in dependence upon an engine operating condition such as engine load or speed. The movable member is connected to the crankshaft by an eccentric linkage such that movement of the movable member relative to the camshaft varies the angular position of the camshaft relative to the crank and also varies the rate of angular movement of the camshaft, thereby varying the valve timing.

公开(公告)号：US4505235A

公开(公告)日：1985-03-19

申请号：US535556

申请日：1983-09-26

Applicant: Stephen W. Mitchell

Inventor： Stephen W. Mitchell

IPC: F01L1/34 ,  F01L1/04 ,  F01L1/344 ,  F01L1/356 ,  F01L13/00 ,  F02B75/20 ,  F02F7/00

CPC classification number: F02B75/20 ,  F01L1/356 ,  F01L13/00 ,  F02B2275/20 ,  F02F7/006

Abstract: An internal combustion engine having at least one cylinder with inlet and exhaust valves operated via rocker arms by respective cams carried by a single camshaft. The camshaft is connected to its drive by an eccentric linkage, the eccentricity of which is varied by a device responsive to engine speed, and is least at high speed. As engine speed falls, increasing eccentricity results in a relative advance of inlet valve closing time and relative retardation of exhaust and inlet valve opening times but little change in the timing of exhaust valve closure. The lift of the valves may be varied also if the rocker arm axes are movably mounted.

Abstract translation: 具有至少一个气缸的内燃机，其具有通过由单个凸轮轴承载的相应凸轮通过摇臂操作的入口和排气门。 凸轮轴通过偏心联动器连接到其驱动器，该偏心联轴器的偏心由响应于发动机转速的装置而变化，并且至少在高速下。 随着发动机转速的降低，偏心率的增加导致进气阀关闭时间的相对提前和排气门和进气阀打开时间的相对延迟，而排气门关闭时间几乎没有变化。 如果摇臂轴可移动地安装，则阀的升程也可以改变。