公开(公告)号：US06655349B1

公开(公告)日：2003-12-02

申请号：US10331165

申请日：2002-12-30

Applicant: Mark S. Cavanagh

Inventor： Mark S. Cavanagh

IPC: F02D1304

CPC classification number: F02D41/0002 ,  F01L1/181 ,  F01L1/26 ,  F01L13/065 ,  F01L2760/004 ,  F01L2800/00 ,  F02B29/0406 ,  F02B2275/32 ,  F02D13/0269 ,  F02D13/04 ,  F02D41/12 ,  F02D2041/001 ,  Y02T10/142 ,  Y02T10/42

Abstract: A method of controlling a valve actuation system is provided. An intake cam assembly is operated to move an intake valve between a first position and a second position. An exhaust cam assembly is operated to move an exhaust valve between a first position a second position. An engine brake is operated to selectively move the exhaust valve from the first position towards the second position when a piston is at or near a top-dead-center position of a compression stroke. At least one operating parameter of the engine is sensed. A desired intake valve actuation period is determined based on the at least one operating parameter. A valve actuator is engaged with the intake valve to prevent the intake valve from returning to the first position in response to operation of the intake cam assembly. The valve actuator is released to allow the intake valve to return to the first position at the end of the determined valve actuation period.

Abstract translation: 提供一种控制气门致动系统的方法。 操作进气凸轮组件以使进气门在第一位置和第二位置之间移动。 操作排气凸轮组件以在第一位置和第二位置之间移动排气阀。 操作发动机制动器，当活塞处于或接近压缩行程的上止点位置时，选择性地将排气阀从第一位置向第二位置移动。 感测到发动机的至少一个操作参数。 基于至少一个操作参数来确定期望的进气门致动周期。 阀门致动器与进气阀接合，以防止进气门响应于进气凸轮组件的操作而返回到第一位置。 阀致动器被释放以允许进气阀在所确定的阀致动周期结束时返回到第一位置。

公开(公告)号：US06591819B2

公开(公告)日：2003-07-15

申请号：US09794215

申请日：2001-02-28

Applicant: Rudolf Tscherne ,  Alois Wolfsgruber ,  Roland Ennsmann

Inventor： Rudolf Tscherne ,  Alois Wolfsgruber ,  Roland Ennsmann

IPC: F01M102

CPC classification number: F01N13/004 ,  F01B1/12 ,  F01L1/02 ,  F01L1/022 ,  F01L1/024 ,  F01L1/053 ,  F01L1/18 ,  F01L1/181 ,  F01L1/2411 ,  F01L1/245 ,  F01L1/26 ,  F01L2001/0535 ,  F01L2101/00 ,  F01L2105/00 ,  F01M1/08 ,  F01M11/02 ,  F01M13/04 ,  F01M2001/126 ,  F01M2011/002 ,  F01M2011/0033 ,  F01M2011/0066 ,  F01M2013/0427 ,  F01N3/04 ,  F01N3/043 ,  F01N3/046 ,  F01N13/02 ,  F01N2590/022 ,  F01P3/02 ,  F01P3/20 ,  F01P9/00 ,  F01P2050/02 ,  F01P2050/04 ,  F01P2050/06 ,  F01P2060/04 ,  F01P2060/16 ,  F02B1/04 ,  F02B33/26 ,  F02B33/34 ,  F02B33/40 ,  F02B33/44 ,  F02B39/04 ,  F02B39/14 ,  F02B61/02 ,  F02B61/04 ,  F02B61/045 ,  F02B63/04 ,  F02B67/00 ,  F02B67/04 ,  F02B67/06 ,  F02B67/10 ,  F02B75/16 ,  F02B75/20 ,  F02B75/22 ,  F02B75/224 ,  F02B77/085 ,  F02B2075/027 ,  F02B2075/1808 ,  F02B2075/1812 ,  F02B2275/08 ,  F02B2275/18 ,  F02B2275/20 ,  F02F1/242 ,  F02F1/243 ,  F02F1/4214 ,  F02F7/0031 ,  F02F2001/245 ,  F02M35/10032 ,  F02M35/10039 ,  F02M35/10072 ,  F02M35/10111 ,  F02M35/10144 ,  F02M35/10163 ,  F02M35/10216 ,  F02M35/10222 ,  F02M35/10268 ,  F02M35/10275 ,  F02M35/112 ,  F02M35/116 ,  F02M35/167 ,  F02M69/462 ,  F02M69/465 ,  F05C2201/021 ,  F16H7/0848 ,  F16H9/12 ,  F16H55/56 ,  F16H55/563 ,  F16H61/662 ,  F16H2007/0806 ,  F16H2007/0812 ,  F16H2007/0859 ,  Y02T10/14 ,  Y02T10/144 ,  Y02T10/20

Abstract: A four stroke internal combustion engine is disclosed having a lubrication system for circulating lubricant within the engine. The engine further include a system for separating lubricant from blow-by gas within the crank case.

公开(公告)号：US06591797B2

公开(公告)日：2003-07-15

申请号：US09816868

申请日：2001-03-23

Applicant: William W. Entzminger

Inventor： William W. Entzminger

IPC: F01L134

CPC classification number: F01L13/0021 ,  F01L1/181

Abstract: A variable ratio rocker arm is provided for use in combination with the valve stem and push rod of an internal combustion engine. The rocker arm has a toothed rack. A fulcrum rod is provided with a toothed sector. A stationary support member has a rod seat. The fulcrum rod toothed sector engages the toothed rack of the rocker arm and the rod seat of the stationary support shaft. An operating arm is coupled to the fulcrum rod for simultaneously rotating and translating the fulcrum rod along the toothed rack of the rocker arm and the rod seat of the stationary support shaft. The operating arm causes the fulcrum rod to rotate and translate along the mating toothing from one point of pivotal engagement, corresponding to a first engine operating condition, to another point of pivotal engagement, corresponding to a second engine operating condition.

Abstract translation: 提供可变比摇臂，用于与内燃机的阀杆和推杆组合使用。 摇臂具有齿条。 支杆具有齿形扇形。 固定支撑构件具有杆座。 支点杆齿状部分接合摇臂的齿条和固定支撑轴的杆座。 操作臂联接到支杆，用于同时沿着摇臂的齿条和固定支撑轴的杆座旋转和平移支点杆。 操作臂使支点杆相应于第二发动机工作状态，使枢轴杆沿枢轴接合的一个点对应于第一发动机工作状态旋转并平移到另一个枢轴接合点。

公开(公告)号：US20030115014A1

公开(公告)日：2003-06-19

申请号：US10348799

申请日：2003-01-21

Inventor： Graham P. Batchelor ,  William M. Crozier

IPC: G06F015/00

CPC classification number: F01L1/20 ,  F01L1/181 ,  F01L2103/01 ,  F01L2800/09 ,  F01L2820/01 ,  Y10T29/49762 ,  Y10T29/49771 ,  Y10T74/2107

Abstract: A method for automatically setting valve clearances in internal combustion engines (also known as nulltappet settingnull or nullvalve lash settingnull) comprises a series of steps in which a rocker arm is set to a zero position that is recorded as a reference datum and an adjustment screw is then operated to set the rocker arm to a first reference position. The adjustment screw is then rotated through a predetermined angle so that the rocker arm is moved to a second reference position. The difference between the first and second reference positions and the predetermined angle are used to determine a coefficient relating the angular movement of the adjustment screw to linear movement of the rocker arm. The coefficient is then used to calculate the angular rotation of the adjustment screw required to set a predetermined valve clearance relative to the zero position. The initial adjustment of the rocker arm position serves to neutralize backlash in the valve drive train prior to setting the valve clearance. The method and associated apparatus may also be used to set the clearance between a rocker arm and other rocker arm actuated engine components.

公开(公告)号：US06560867B2

公开(公告)日：2003-05-13

申请号：US09902315

申请日：2001-07-10

Applicant: Dale A. Stretch

Inventor： Dale A. Stretch

IPC: B23P1500

CPC classification number: F01L9/02 ,  F01L1/0532 ,  F01L1/181 ,  F01L1/185 ,  F01L1/267 ,  F01L2105/00 ,  Y10T29/49231 ,  Y10T29/4927

Abstract: A method of assembling a cylinder head assembly (11) for use with a cylinder block of an internal combustion engine. The method involves providing a cylinder head slab (17) defining a pattern of intake (21) and exhaust (23) poppet valves. The head slab is provided with a plurality of bolt holes (37) defining a bolt hole pattern. Next, a plurality A and B of valve activation modules, selected from a group of possible modules (15;101;201;301) is provided, each defining a plurality of bolt holes (63;109) which correspond with at least a major portion of the bolt holes (37) in the bolt hole pattern. The next step is selecting one module (15;101;201;301) and bolting it to the cylinder head slab (17).

Abstract translation: 一种组装用于与内燃机的气缸体一起使用的气缸盖组件（11）的方法。 该方法包括提供限定进气（21）和排气（23）提升阀的图案的气缸盖板（17）。 头板设置有限定螺栓孔图案的多个螺栓孔（37）。 接下来，提供从一组可能的模块（15; 101; 201; 301）中选择的多个A和B的阀启动模块，每个组件确定多个螺栓孔（63; 109），其对应于至少一个主要 在螺栓孔图案中的螺栓孔（37）的部分。 下一步是选择一个模块（15; 101; 201; 301）并将其固定到气缸盖板（17）上。

公开(公告)号：US06546901B2

公开(公告)日：2003-04-15

申请号：US09922685

申请日：2001-08-07

Applicant: William Delaplaine Green

Inventor： William Delaplaine Green

IPC: F02B3336

CPC classification number: F01L1/181 ,  F01L1/053 ,  F02B33/36 ,  F02B67/10 ,  F02B2075/025

Abstract: A crankshaft driven positive displacement gear type air compressor enclosed within the engine housing forces air in between the compressor and reciprocating means. At approximately top dead center fuel is injected into the engine and burns. The high pressures of combustion transfer energy to the gears of the compressor and the reciprocating means and crankshaft assembly forcing them to accelerate. The reciprocating means accelerates to the bottom dead center position completely uncovering two exhaust ports. Exhaust passes through the exhaust ports and is scavenged with compressed air from the compressor flowing into the housing space enclosing the reciprocating means. The reciprocating means returns to the top dead center position compressing air in the housing space between the compressor and the reciprocating means. At approximately top dead center the process repeats itself.

公开(公告)号：US06546347B2

公开(公告)日：2003-04-08

申请号：US09943615

申请日：2001-08-30

Applicant: Graham P. Batchelor ,  William M. Crozier

Inventor： Graham P. Batchelor ,  William M. Crozier

IPC: G01M1500

CPC classification number: F01L1/20 ,  F01L1/181 ,  F01L2103/01 ,  F01L2800/09 ,  F01L2820/01 ,  Y10T29/49762 ,  Y10T29/49771 ,  Y10T74/2107

Abstract: A method for automatically setting valve clearances in internal combustion engines (also known as “tappet setting” or “valve lash setting”) comprises a series of steps in which a rocker arm is set to a zero position that is recorded as a reference datum and an adjustment screw is then operated to set the rocker arm to a first reference position. The adjustment screw is then rotated through a predetermined angle so that the rocker arm is moved to a second reference position. The difference between the first and second reference positions and the predetermined angle are used to determine a coefficient relating the angular movement of the adjustment screw to linear movement of the rocker arm. The coefficient is then used to calculate the angular rotation of the adjustment screw required to set a predetermined valve clearance relative to the zero position. The initial adjustment of the rocker arm position serves to neutralize backlash in the valve drive train prior to setting the valve clearance. The method and associated apparatus may also be used to set the clearance between a rocker arm and other rocker arm actuated engine components.

公开(公告)号：US20030024495A1

公开(公告)日：2003-02-06

申请号：US10216523

申请日：2002-08-09

Inventor： Gary J. Gracyalny ,  John H. Thiermann

IPC: F01L013/08

CPC classification number: F02B63/02 ,  F01L1/026 ,  F01L1/181 ,  F01L13/08 ,  F01L13/085 ,  F01L2101/00 ,  F02B75/16

Abstract: A retainer retains a release member for engine valves of an internal combustion engine. The release member causes an engine valve to be actuated depending on various operating conditions of the engine, such as engine speed or oil level. The retainer retains the release member to at least one of a cam lobe and a cam gear. The release member may be substantially L-shaped and centrifugally responsive. Alternatively, the release member may be a substantially U-shaped yoke that at least partially surrounds a cam shaft. The retainer includes a pin that is substantially transverse and non-intersecting to the cam shaft. The pin may be substantially straight and interconnect to bosses that project from the cam gear. Alternatively, the pin may be substantially C-shaped and extend into apertures in the cam gear that extend in the axial direction of the cam gear.

公开(公告)号：US20020179044A1

公开(公告)日：2002-12-05

申请号：US10143853

申请日：2002-05-14

Inventor： Yoshiaki Iizuka ,  Junji Yamano

IPC: F02P015/02 ,  F02F001/00

CPC classification number: F02P15/02 ,  F01L1/053 ,  F01L1/181 ,  F02B75/20 ,  F02B2075/1816 ,  F02B2275/20 ,  F02F1/242 ,  F02F1/4214

Abstract: In multi-cylinder engine in which an intake valve and a first spark plug arranged side by side along an axis of a camshaft and an exhaust valve and a second spark plug arranged side by side along the axis of the camshaft are disposed in a cylinder head for every combustion chamber, the position of a central portion of an upstream end of an intake port provided in the cylinder head with the intake valve interposed between the intake port and each of the combustion chambers and the position of a central portion of a downstream end of an exhaust port provided in the cylinder head with the exhaust valve interposed between the exhaust port and each of the combustion chambers are set to correspond with each other in the direction along the axis of the camshaft. Thus, it is possible to provide a reduction in size of the cylinder head in a direction along the axis of the camshaft.

Abstract translation: 在多气缸发动机中，沿着凸轮轴的轴线并排布置的沿凸轮轴和排气门并排配置的进气门和第一火花塞以及沿着凸轮轴的轴线并排设置的第二火花塞在多缸发动机中设置在气缸盖 对于每个燃烧室，设置在气缸盖中的进气口的上游端的中心部分的位置与进气门插入在进气口和每个燃烧室之间以及下游端的中心部分的位置 设置在气缸盖中的排气口设置在排气口和每个燃烧室之间的排气阀沿着凸轮轴的轴线的方向彼此对应。 因此，可以在沿着凸轮轴的轴线的方向上减小气缸盖的尺寸。

公开(公告)号：US06453861B1

公开(公告)日：2002-09-24

申请号：US09974873

申请日：2001-10-12

Applicant: Akifumi Nomura ,  Yasuo Shimura ,  Kazuhisa Takemoto ,  Akira Tokito

Inventor： Akifumi Nomura ,  Yasuo Shimura ,  Kazuhisa Takemoto ,  Akira Tokito

IPC: F01L126

CPC classification number: F01L1/047 ,  F01L1/022 ,  F01L1/181 ,  F01L1/26 ,  F01L2105/00

Abstract: In an internal combustion engine, a pair of suction ports are formed on left and right sides of the rear of the cylinder head with respect to the vehicle body. A pair of exhaust ports is formed on left and right sides on the front side of the cylinder head. Suction poppet valves and exhaust poppet valves for opening and closing the suction ports and the exhaust ports are slidably fitted in guide tubes, respectively. In addition, a valve gear includes a camshaft and a rocker arm pivotally supported on a rocker arm shaft. The rocker arm is formed with a bifurcated end, which crosses an ignition plug on the exhaust poppet valve side. The suction poppet valves are directly driven to open and close by the camshaft.

Abstract translation: 在内燃机中，在气缸盖的后部的左右两侧相对于车体形成一对吸入口。 一对排气口形成在气缸盖前侧的左侧和右侧。 用于打开和关闭吸入口和排气口的抽吸提升阀和排气提升阀分别可滑动地装配在导管中。 此外，阀齿轮包括凸轮轴和枢转地支撑在摇臂轴上的摇臂。 摇臂形成有分叉端，其跨过排气提升阀侧的火花塞。 吸入提升阀直接由凸轮轴驱动打开和关闭。