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公开(公告)号：US08794206B2
公开(公告)日：2014-08-05
申请号：US13391436
申请日：2010-09-01
IPC分类号： F01L1/18
CPC分类号： F01L1/047 , F01L1/18 , F01L13/0047
摘要： An engine valve system comprises two cams (10,12) mounted coaxially, a summation rocker (14) coupled to followers (16,18) of both cams and movable in proportion to the instantaneous sum of the lifts of the respective cams, and a valve actuating rocker (20) pivotably coupled to the summation rocker (14) and operative to open an engine valve (22) in dependence upon the movement of the summation rocker (14). In the invention, the actuating rocker (20) rests on a hydraulic lash adjuster (24). A control spring (136) is provided to urge the summation rocker (14) in a direction to compress the hydraulic lash adjuster (24). A stop (138) associated with the control spring (136) limits the movement of the summation rocker (14) towards the lash adjuster (24) so as to set the clearance in the valve system when the valve (22) is closed and the cam followers (16,18) are on the base circles of the two cams (10,12).
摘要翻译： 发动机阀系统包括同轴安装的两个凸轮（10,12），耦合到两个凸轮的从动件（16,18）的相加摇杆（14），并且可以相应于相应凸轮的升降机的瞬时总和成比例地移动 阀驱动摇杆（20），其可枢转地联接到总和摇杆（14）并且可操作地根据所述求和摇杆（14）的运动来打开发动机气门（22）。 在本发明中，致动摇杆（20）位于液压间隙调节器（24）上。 控制弹簧（136）被设置成沿着压缩液压间隙调节器（24）的方向推动求和摇杆（14）。 与控制弹簧（136）相关联的止动件（138）限制加和摇杆（14）朝向间隙调节器（24）的移动，以便当阀门（22）关闭时将间隙设定在阀门系统中，并且 凸轮从动件（16,18）位于两个凸轮（10,12）的基圆上。
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公开(公告)号：US08365691B2
公开(公告)日：2013-02-05
申请号：US12864042
申请日：2008-12-18
申请人： Ian Methley
发明人： Ian Methley
IPC分类号： F01L1/34
CPC分类号： F01L13/0047 , F01L1/18 , F01L1/267 , F01L13/0005 , F01L2105/00
摘要： An internal combustion engine is described having a valve mechanism that comprises two cams 120,122 mounted coaxially and a summation lever 124 having cam followers 126, 127 in contact with both cams so as to move in proportion to the instantaneous sum of the lifts of the respective cams. A control spring 128 is provided to maintain contact between one cam profile and its respective follower(s), and a valve actuating rocker 114 having a stationary pivot and rotatably connected to the summation lever serves to open the engine valve 110 in dependence upon the movement of the summation lever, so as to enable the valve timing, valve lift and valve event duration to be adjusted by varying the phases of the two cams. In the invention, the summation lever is constructed in two parts 124a, 124b that can be selectively locked and unlocked to allow the valve lift to be deactivated and the motion of both parts is controlled by the control spring 128 when the two parts of the summation lever are unlocked from one another.
摘要翻译： 描述了一种内燃机，其具有阀机构，该阀机构包括同轴安装的两个凸轮120,122以及具有与两个凸轮接触的凸轮随动件126,127的相加杆124，以便与相应凸轮的升降机的瞬时总和成比例地移动 。 提供控制弹簧128以保持一个凸轮轮廓与其相应的从动件之间的接触，并且具有固定枢轴并且可旋转地连接到总和杆的阀致动摇杆114用于根据运动来打开发动机气门110 以便通过改变两个凸轮的相位来调节气门正时，气门升程和气门事件持续时间。 在本发明中，总和杆构造成两部分124a，124b，它们可被选择性地锁定和解锁，以允许气门升程被停用，并且两个部分的运动由控制弹簧128控制，当两者相加时 杠杆彼此解锁。
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公开(公告)号：US20110017158A1
公开(公告)日：2011-01-27
申请号：US12896996
申请日：2010-10-04
IPC分类号： F01L1/34
CPC分类号： F01L13/0047 , F01L1/18 , F01L1/20 , F01L1/2405
摘要： An improvement is disclosed for an engine valve system with variable lift and duration of the type that includes two cams mounted coaxially, a summation rocker coupled to cam followers in contact with both cams and movable in proportion to the instantaneous sum of the lifts of the respective cams, and a valve actuating rocker pivotably coupled to the summation rocker and serving to open an engine valve in dependence upon the movement of the summation rocker. In the invention, at least one of the couplings of the summation rocker with the cam followers and with the valve actuating rocker incorporates an adjustable eccentric which is rotatable to enable the clearance within the valve system to be set.
摘要翻译： 公开了一种用于具有可变提升和持续时间的发动机气门系统的改进，该发动机气门系统包括同轴安装的两个凸轮，与两个凸轮接触的凸轮随动件联接的相加摇杆，并且可相对于相应的升降机的瞬时总和成比例地移动 凸轮以及可枢转地联接到求和摇杆的阀致动摇杆，并用于根据求和摇杆的运动来打开发动机气门。 在本发明中，总和摇杆与凸轮从动件和阀致动摇杆的联接器中的至少一个联接器包括可调节的偏心轮，其可旋转以使阀系统内的间隙能够被设定。
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公开(公告)号：US20100282193A1
公开(公告)日：2010-11-11
申请号：US12863747
申请日：2008-12-18
IPC分类号： F01L1/047
CPC分类号： F01L1/34413 , F01L1/047 , F01L2001/0473 , F01L2103/00 , Y10T29/49293
摘要： A camshaft assembly is disclosed which comprises an inner shaft (12), an outer tube (14) surrounding and rotatable relative to the inner shaft (12), and two groups of cam lobes mounted on the outer tube, the first group of cam lobes being fast in rotation with the outer tube, and each cam (10) lobe (18) of the second group being rotatably mounted on the outer surface of the tube (14) and connected for rotation with the inner shaft (12) by means of one or more drive members (50) passing through circumferentially elongated slots in the outer tube. In the invention, each drive member comprises a (15) drive component (50d) engaged with fixed alignment in the cam lobe (18) and a separate fastener (50b) that is rotatable to clamp the drive component against a flat surface on the inner shaft (12), each drive member (50) being constructed such that during the tightening of the fastener (50b) no relative (20) sliding movement is required at the interface between the drive component (50d) and the inner shaft (12).
摘要翻译： 公开了一种凸轮轴组件，其包括内轴（12），围绕内轴（12）并且可旋转的外管（14），以及安装在外管上的两组凸轮凸角，第一组凸轮凸角 与外管快速旋转，并且第二组的每个凸轮（10）叶片（18）可旋转地安装在管（14）的外表面上，并且通过以下方式连接以与内轴（12）一起旋转： 一个或多个驱动构件（50）穿过外管中的周向细长的槽。 在本发明中，每个驱动构件包括在凸轮凸角（18）中与固定对准啮合的（15）驱动部件（50d），以及单独的紧固件（50b），其可转动地将驱动部件夹紧在内部的平坦表面上 每个驱动构件（50）被构造成使得在紧固件（50b）的紧固期间，在驱动部件（50d）和内轴（12）之间的界面处不需要相对（20）的滑动运动， 。
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公开(公告)号：US07444968B2
公开(公告)日：2008-11-04
申请号：US11550886
申请日：2006-10-19
IPC分类号： F01L1/34
CPC分类号： F01L1/3442 , F01L1/022 , F01L1/026 , F01L1/0532 , F01L2001/0473 , F01L2001/0537 , F01L2001/34426 , F01L2001/34466 , F01L2001/34489 , F01L2001/34493 , F01L2101/00 , F16D3/10
摘要： A variable phase drive coupling is described for providing drive from an engine crankshaft to two sets of cams. The drive coupling comprising a drive member 12 connectable for rotation with the engine crankshaft and two driven members 18, 20 each connectable with a respective one of the two sets of cams. In the invention, the angular relationship of each of the driven members 18, 20 is independently variable relative to the drive member 12 under the action of camshaft torque reversals.
摘要翻译： 描述了可变相驱动联轴器，用于提供从发动机曲轴到两组凸轮的驱动。 驱动联轴器包括可与发动机曲轴连接的驱动构件12和两个从动构件18,20，每个从动构件18,20可与两组凸轮中的相应一个连接。 在本发明中，每个从动构件18,20的角度关系在凸轮轴扭矩反转的作用下相对于驱动构件12独立地变化。
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公开(公告)号：US20080257104A1
公开(公告)日：2008-10-23
申请号：US12092248
申请日：2006-10-27
CPC分类号： F01L1/047 , F01L1/3442 , F01L2001/0473 , Y10T74/2102
摘要： The invention relates to a camshaft assembly comprising an inner shaft, an outer tube rotatable relative to the inner shaft, and two groups of cams mounted on the outer tube, the first group of cams being fast in rotation with the outer tube, and the second group being rotatably mounted on the outer surface of the tube and being connected for rotation with the inner shaft by means of connecting members that pass through circumferentially elongated slots in the outer tube. In the invention, the outer tube surrounds the inner shaft with clearance and the members connecting different ones of the cams of the second group to the inner shaft are inclined relative to one another and act to locate the axis of the inner shaft relative to the outer tube.
摘要翻译： 本发明涉及一种凸轮轴组件，其包括内轴，可相对于内轴旋转的外管和安装在外管上的两组凸轮，第一组凸轮与外管快速旋转，第二组凸轮与外管快速旋转，第二组凸轮 组可旋转地安装在管的外表面上，并且通过连接构件连接以与内轴一起旋转，该连接构件穿过外管中的周向细长的狭槽。 在本发明中，外管具有间隙而围绕内轴，并且将第二组的不同凸轮连接到内轴的构件相对于彼此倾斜，并且用于将内轴的轴线相对于外侧定位 管。
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公开(公告)号：US20070266973A1
公开(公告)日：2007-11-22
申请号：US11744964
申请日：2007-05-07
CPC分类号： F01L13/0047 , F01L1/146 , F01L1/2411 , F01L1/267 , F01L13/0005 , F01L2105/00
摘要： A mechanism for actuating an engine poppet valve includes two rotatable cams, a first rocker mounted on a pivot shaft and acting between a first of the two cams and the stem of the valve, and a second rocker mounted for rotation about a fixed axis and acting between the second of the two cams and the pivot shaft of the first rocker to raise and lower the pivot axis of the first rocker cyclically in synchronism with the rotation of the second cam, whereby the valve is operated in dependence upon the instantaneous sum of the lifts of the two cams. In the invention, an element of the valve actuating mechanism transmitting force from one of the cams to the valve stem is formed in two parts, one part movable by the associated cam and the other transmitting force to the valve stem, and a latching mechanism is provided for selectively locking the two parts of the element for movement in unison with one another and disconnecting the two parts of the element from one another to inhibit transmission of force from the associated cam to the valve stem. The latching mechanism is such that a change of state from locked to disconnected and vice versa can only take place when at least one of the two rockers is at or near the base circle of the associated cam and the change of state is initiated by the movement of the rocker system whilst the poppet valve is closed.
摘要翻译： 用于致动发动机提升阀的机构包括两个可旋转凸轮，第一摇臂安装在枢转轴上并且作用在两个凸轮中的第一个和阀的杆之间，第二摇臂安装成围绕固定轴线旋转和作用 在两个凸轮中的第二个和第一摇杆的枢轴之间，与第二凸轮的旋转同步地循环地升高和降低第一摇臂的枢转轴线，由此阀根据 两个凸轮的升降机。 在本发明中，阀驱动机构中的一个凸轮传递到阀杆的力的元件形成为两部分，一部分通过相关联的凸轮移动，另一部分可以通过另一个传递力传递到阀杆，并且闭锁机构 提供用于选择性地锁定元件的两个部分以彼此一致地运动并且将元件的两个部分彼此断开，以阻止力从相关联的凸轮传递到阀杆。 闭锁机构是这样的，即当两个摇臂中的至少一个处于或接近相关联的凸轮的基圆时，状态从锁定状态改变到断开状态，反之亦然，并且状态改变由移动 在提升阀关闭的同时摇摆系统。
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公开(公告)号：US20050279302A1
公开(公告)日：2005-12-22
申请号：US11157748
申请日：2005-06-20
CPC分类号： F01L1/34413 , F01L1/024 , F01L1/3442 , F01L13/0047 , F01L13/0057
摘要： An engine is described having two camshafts 14, 16 each of which carries two groups of cams and comprises an inner shaft coupled for rotation with a first group of cams and an outer tube rotatably supported by the inner shaft and coupled for rotation with the second group of cams. A phaser 12 is provided to enable the phase of at least one of the two groups of cams on one of the SCP camshafts 14, 16 to be varied with reference to the phase of the engine crankshaft. Drive links in the form of meshing gearwheels, drive chains or belts, couple the two corresponding groups of cams on the respective camshafts for rotation in unison with one another.
摘要翻译： 发动机被描述为具有两个凸轮轴14,16，每个凸轮轴承载两组凸轮，并且包括联接成与第一组凸轮一起旋转的内轴和由内轴可旋转地支撑并与第二组一起旋转的外管 的凸轮。 相位器12被设置成能够使SCP凸轮轴14,16中的一个上的两组凸轮中的至少一个相位相对于发动机曲轴的相位而变化。 以啮合齿轮，驱动链或皮带的形式驱动连杆，将相应凸轮轴上的两组相应的凸轮组合在一起，以便彼此一致转动。
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公开(公告)号：US06725817B2
公开(公告)日：2004-04-27
申请号：US10004323
申请日：2001-11-14
IPC分类号： F01L134
CPC分类号： F01L1/3442 , F01L1/024 , F01L2001/0473 , F01L2001/34489 , Y10T74/2102
摘要： A variable phase drive mechanism is described for providing drive from an engine crankshaft to two sets of cams. The drive mechanism comprises a drive member 32 connectable for rotation with the engine crankshaft and two driven members 38 and 40, each connectable for rotation with a respective one of the two sets of cams. Each of the driven members 38, 40 is connected by a vane-type hydraulic coupling for rotation with the drive member 32. The hydraulic coupling between the drive and driven members is such as to enable the angular position of each of the driven members 38 and 40 to be varied relative to the drive member 32 independently of the other driven member.
摘要翻译： 描述了可变相驱动机构，用于提供从发动机曲轴到两组凸轮的驱动。 驱动机构包括可与发动机曲轴连接的驱动构件32和两个从动构件38和40，每个驱动构件可连接两组凸轮中的相应一个。 每个从动构件38,40通过叶片型液压联接器与驱动构件32连接。驱动构件和从动构件之间的液压联接使得能够使每个从动构件38和 40相对于驱动构件32独立于另一个被驱动构件而变化。
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公开(公告)号：US06250267B1
公开(公告)日：2001-06-26
申请号：US09507095
申请日：2000-02-17
申请人： Ian Methley
发明人： Ian Methley
IPC分类号： F01L1344
CPC分类号： F01L1/34406 , Y10T74/2102
摘要： A variable phase coupling 10 is disclosed for connecting a crankshaft of an engine to a camshaft 16. The coupling 10 comprises a drive member 14, 18 having a first set of grooves 20, a driven member 26 having a second set of grooves 28 and mounted in a fixed axial position relative to the drive member 18 and an intermediate member 30 movable axially in relation to the drive and driven members. Grooves are arranged on the same side of the intermediate member to face the grooves of both the drive member and the driven member. A first set of balls 36 is engaged in the grooves 20 of the drive member 18 and the intermediate member 30 and a second set of balls 34 is engaged in the grooves 28 of the driven member 26 and the intermediate member 30 so as to transmit torque from the drive member to the driven member through the intermediate member. At least some of the grooves are helical grooves so that the relative phase of the drive and driven members varies in dependence of the axial position of the intermediate member 30.
摘要翻译： 公开了可变相联接器10，用于将发动机的曲轴连接到凸轮轴16.联接器10包括具有第一组槽20的驱动构件14,18，具有第二组槽28的从动构件26 在相对于驱动构件18的固定的轴向位置和相对于驱动和被驱动构件轴向移动的中间构件30。 凹槽布置在中间构件的同一侧上以面对驱动构件和从动构件的凹槽。 第一组球36接合在驱动构件18和中间构件30的槽20中，并且第二组球34接合在从动构件26和中间构件30的槽28中，以便传递扭矩 从驱动构件通过中间构件到从动构件。 至少一些凹槽是螺旋槽，使得驱动和从动构件的相对相位根据中间构件30的轴向位置而变化。
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