公开(公告)号：US6058907A

公开(公告)日：2000-05-09

申请号：US188953

申请日：1998-11-10

申请人： Hitoshi Motose ,  Masahiko Kato

发明人： Hitoshi Motose ,  Masahiko Kato

IPC分类号： F02B23/10 ,  F02B17/00 ,  F02B25/20 ,  F02B61/04 ,  F02B75/02 ,  F02B75/12 ,  F02B75/18 ,  F02D41/02 ,  F02D41/04 ,  F02B5/00

CPC分类号： F02B61/045 ,  F02B17/005 ,  F02B25/20 ,  F02B2075/025 ,  F02B2075/125 ,  F02B2075/1824 ,  F02B23/101 ,  Y02T10/123

摘要： A direct injection system and control methodology for two-cycle crankcase compression engines wherein the injection timing is advanced from those normally utilized to avoid the incomplete combustion that results from the prior art method. The injection timing is advanced so that it occurs while the exhaust port is still open but it is timed in such a way that the injected fuel will not be swept out of the exhaust port before the exhaust port closes. The initiation of injection timing is adjusted in response to certain parameters such as engine speed and the volume of intake air flow. In addition, the effects of other cylinders sharing a common exhaust manifold is also compensated for.

摘要翻译： 用于双循环曲轴箱压缩发动机的直接喷射系统和控制方法，其中喷射正时从通常利用的喷射正时提前，以避免由现有技术方法产生的不完全燃烧。 喷射正时进行，使得其在排气口仍然打开时发生，但是其被定时，使得喷射的燃料在排气口关闭之前不会被排出排气口。 响应于诸如发动机速度和进气流量的某些参数来调节喷射正时的启动。 此外，还补偿了共用共同排气歧管的其他气缸的影响。

公开(公告)号：US5205245A

公开(公告)日：1993-04-27

申请号：US707642

申请日：1991-05-30

申请人： Robert Flack ,  David Thornhill

发明人： Robert Flack ,  David Thornhill

IPC分类号： F02B25/16 ,  F02B25/14 ,  F02B25/20 ,  F02B75/02 ,  F02D9/02 ,  F02F1/22

CPC分类号： F02B25/20 ,  F02B25/14 ,  F02F1/22 ,  F02B2075/025 ,  F02D2009/0291

摘要： A two stroke internal combustion engine includes a cylinder with a piston slidably sealed in the cylinder, a plurality of transfer ports open into the cylinder and at least one exhaust port leads from the cylinder, the transfer ports are connected to a common inlet manifold and a common valve member is provided to regulate the flow of air from the inlet manifold to the transfer ports and to vary the flow of air through one transfer port relative to the flow of air through at least one other transfer port.

公开(公告)号：US4864984A

公开(公告)日：1989-09-12

申请号：US144549

申请日：1988-01-13

申请人： Nelson A. Blish

发明人： Nelson A. Blish

IPC分类号： F01L1/02 ,  F01L1/14 ,  F01L7/10 ,  F01L9/04 ,  F02B1/04 ,  F02B3/06

CPC分类号： F02B25/02 ,  F01L1/02 ,  F01L1/143 ,  F01L7/10 ,  F01L9/04 ,  F02B25/20 ,  F01L2009/0411 ,  F01L2113/00 ,  F02B1/04 ,  F02B3/06

摘要： An internal combustion engine (10) incorporating a rotary intake-exhaust valve (30). Intake exhaust valve (30) rotates between intake passage (36) and exhaust passage (34) such that intake-exhaust port (28) is aligned with intake passage (34) during the intake cycle and aligned with exhaust passage (34) during the exhaust cycle. Use of a rotary valve eliminates vibration normally found when reciprocating intake valve and exhaust valve are used and also provides weight saving due to simplified manufacturing processes, fewer parts and a higher strength engine wall due to elimination of one opening port into the engine. Valve (30) is operated by electro-mechanical means (40) so that the point in the power cycle at which air is admitted and exhausted may be varied. Means (40) may also be used to vary the length of time the exhaust port or intake port is open.

摘要翻译： 一种内燃机（10），其包括旋转进气排气阀（30）。 进气排气阀（30）在进气通道（36）和排气通道（34）之间旋转，使得进气排气口（28）在进气循环期间与进气通道（34）对准并在排气通道（34）期间与排气通道 排气循环。 旋转阀的使用消除了使用往复进气阀和排气阀时通常发现的振动，并且由于简化的制造过程，更少的零件和更高的强度的发动机壁由于消除了一个开口进入发动机而提供了重量节省。 阀（30）由机电装置（40）操作，使得空气进入和排出的动力循环中的点可以变化。 装置（40）还可以用于改变排气口或进气口打开的时间长度。

公开(公告)号：US4638770A

公开(公告)日：1987-01-27

申请号：US775588

申请日：1985-09-13

申请人： Duke Fox

发明人： Duke Fox

IPC分类号： F02B25/18 ,  F02B25/14 ,  F02B25/20 ,  F02B75/02 ,  F02B75/34 ,  F02F1/22 ,  F02B75/40

CPC分类号： F02B25/14 ,  F02B25/20 ,  F02B75/34 ,  F02F1/22 ,  F02B2075/025

摘要： A porting system for two-cycle internal combustion engines has two exhaust ports located on diametrically opposed sides of the cylinder. A pair of intake or by-pass ports are symmetrically positioned on each side of the two exhaust ports. The flow of fuel mixture is laminar and has a pattern which is inward and slightly upward from each intake port. As incoming streams collide, the gas flows upwardly and forms two mushrooms. Then, the flow is downwardly along the cylinder axis. The downward flow divides into two streams flowing radially outwardly from the center of the cylinder and out the two exhaust ports. With this flow pattern, there is a minimum of mixing of intake and exhaust gases, and as compared to the prior art, more unburned gas is retained in the cylinder to improve power output and reduce fuel consumption.

摘要翻译： 用于两循环内燃机的移动系统具有位于气缸的直径相对侧上的两个排气口。 一对进气口或旁路口对称地位于两个排气口的两侧。 燃料混合物的流动是层流的，并且具有从每个进气口向内且稍微向上的图案。 随着进入的水流碰撞，气体向上流动并形成两个蘑菇。 然后，气流沿气缸轴线向下。 向下流动分为从气缸中心径向向外流出并流出两个排气口的两股气流。 利用这种流动模式，进气和排气的混合最少，与现有技术相比，更多未燃烧的气体保留在气缸中以改善动力输出并降低燃料消耗。

公开(公告)号：US4398509A

公开(公告)日：1983-08-16

申请号：US211973

申请日：1980-12-01

申请人： Eric Offenstadt ,  Bernard Houze

发明人： Eric Offenstadt ,  Bernard Houze

IPC分类号： F01M3/00 ,  F02B25/20 ,  F02B61/02 ,  F02B75/02 ,  F02B1/08 ,  F02B33/04

CPC分类号： F02B33/04 ,  F01M3/00 ,  F02B25/20 ,  F02B33/40 ,  F02B33/446 ,  F02B61/02 ,  F02B2075/025

摘要： This motor is of the type comprising a case having a cylindrical upper part in which a piston is slidably mounted and a lower part in which a crankshaft connected to the piston is disposed. The case further comprises on one hand, an intake port and an exhaust port which open onto the upper part of the case, the input port being disposed below the exhaust port, and, on the other hand, at least one transfer conduit interconnecting the two parts of the case.The motor comprises a supply circuit for non-carburetted fresh gases which is connected to at least one port of the upper part of the case, the upper edge of this at least one port being disposed below the upper edge of the exhaust port.The motor is applicable in particular to motorcycles.

摘要翻译： 该电动机是包括具有可滑动地安装有活塞的圆筒形上部的壳体和设置有连接到活塞的曲轴的下部的类型。 这种情况还包括一个进气口和排气口，该进气口和排气口开放到壳体的上部，输入口设置在排气口的下方，另一方面，至少一个连接两个 部分案件。 电动机包括一个非碳化新鲜气体的供应回路，其连接到壳体上部的至少一个端口，该至少一个端口的上边缘设置在排气口的上边缘的下方。 电机特别适用于摩托车。

公开(公告)号：US4321904A

公开(公告)日：1982-03-30

申请号：US130727

申请日：1980-03-17

申请人： Robert D. Bristol

发明人： Robert D. Bristol

IPC分类号： F02B25/20 ,  F02B37/00 ,  F02B41/06 ,  F02B71/00 ,  F02B75/02 ,  F02B75/04 ,  F02B33/00 ,  F02D23/00

CPC分类号： F02B71/00 ,  F02B25/20 ,  F02B37/00 ,  F02B41/06 ,  F02B75/04 ,  F02B2075/025 ,  Y02T10/144

摘要： An internal combustion engine includes a power cylinder, a power piston reciprocating therein and an auxiliary piston reciprocating within an auxiliary cylinder. Passages connect the upper end of the auxiliary cylinder to a combustion chamber and a source of air. Rotating valves or conventional reciprocating valves control the intake of an air/fuel mixture into the supercharging cylinder, transfer the mixture to the main or power cylinder and exhaust combusted gases from the main cylinder. An expansion chamber is placed in communication with the power cylinder at the beginning of the power stroke to permit an overcharge of air/fuel mixture to be transferred to the combustion chamber.

摘要翻译： 内燃机包括动力缸，其中往复运动的动力活塞和在辅助气缸内往复运动的辅助活塞。 通道将辅助气缸的上端连接到燃烧室和空气源。 旋转阀或常规的往复阀控制空气/燃料混合物进入增压缸，将混合物转移到主缸或动力缸并排出来自主缸的燃烧气体。 在动力冲程开始时，膨胀室与动力油缸相连通，以允许空气/燃料混合物的过充电转移到燃烧室。

公开(公告)号：US4257365A

公开(公告)日：1981-03-24

申请号：US18025

申请日：1979-03-06

申请人： Masaaki Noguchi ,  Yukiyasu Tanaka ,  Isao Igarashi

发明人： Masaaki Noguchi ,  Yukiyasu Tanaka ,  Isao Igarashi

IPC分类号： F02B1/04 ,  F02B3/06 ,  F02B25/08 ,  F02B25/20 ,  F02B31/00 ,  F02B31/02 ,  F02B33/22 ,  F02B49/00 ,  F02B75/02 ,  F02D39/04

CPC分类号： F02B31/00 ,  F02B25/08 ,  F02B25/20 ,  F02B33/22 ,  F02B1/04 ,  F02B2075/025 ,  F02B3/06 ,  Y02T10/146

摘要： A two-stroke cycle diesel engine having at least one two-stroke cycle power cylinder-piston assembly incorporating uniflow scavenging and having two horizontally opposed pistons, at least first and second scavenging ports and two crankcases which may perform crankcase compression; a pump assembly including at least one scavenging pump cylinder-piston assembly of the reciprocating type which is separate from and is driven by the power cylinder-piston assembly; a scavenging air introducing device which introduces scavenging air compressed by the pump assembly to the first and the second scavenging ports through first and second passage systems, respectively; and a fume generating device incorporated in the second passage system and supplying fuel mist in an initial part of the air supplied through the second passage system; wherein the fume is supplied as stratified with exhaust gases so as to be heated by the exhaust gases toward decomposition and then the first passage system is interrupted before the pump assembly reaches its top dead center so that thereafter the scavenging air compressed by the pump assembly is all supplied to the second scavenging port thereby generating strong swirl flows in the power cylinder.

摘要翻译： 具有至少一个二冲程循环动力缸 - 活塞组件的二冲程循环柴油发动机，其包括单向扫气并具有两个水平相对的活塞，至少第一和第二扫气端口以及可执行曲轴箱压缩的两个曲轴箱; 泵组件，其包括与动力缸 - 活塞组件分离并由其驱动的往复式的至少一个扫气泵缸 - 活塞组件; 清扫空气引入装置，其分别通过第一和第二通道系统将由泵组件压缩的清除空气引入第一和第二清扫口; 以及燃料发生装置，其结合在第二通道系统中，并且在通过第二通道系统供应的空气的初始部分中供应燃料雾; 其中所述烟气被分层地排放废气，以便被废气加热分解，然后第一通道系统在泵组件到达其上死点之前被中断，从而此后由泵组件压缩的清扫空气为 全部供应到第二扫气口，从而在动力气缸中产生强烈的涡流。

公开(公告)号：US4185596A

公开(公告)日：1980-01-29

申请号：US917241

申请日：1978-06-20

申请人： Masaaki Noguchi ,  Yukiyasu Tanaka ,  Isao Igarashi

发明人： Masaaki Noguchi ,  Yukiyasu Tanaka ,  Isao Igarashi

IPC分类号： F02B75/28 ,  F02B1/04 ,  F02B25/08 ,  F02B25/20 ,  F02B33/22 ,  F02B75/02

CPC分类号： F02B33/22 ,  F02B25/08 ,  F02B25/20 ,  F02B1/04 ,  F02B2075/025

摘要： A two-stroke cycle gasoline engine including at least one two-stroke power cylinder-piston assembly incorporating uniflow scavenging and two horizontally opposed pistons, and at least one scavenging pump cylinder-piston assembly of the reciprocating type, wherein the total stroke volume of the scavenging pump assembly is 1.15-1.65 times as large as that of the power cylinder-piston assembly, and the operational phase relation between the power and pump cylinder-piston assemblies is so determined that the top dead center of a pump cylinder-piston assembly is, as viewed in the crank angle diagram, in a range between 15.degree. in advance of and 15.degree. behind the midpoint between the bottom dead center and the scavenging port closing phase point of the power cylinder-piston assembly to which the pump cylinder-piston assembly supplies scavenging mixture.

摘要翻译： 包括至少一个二冲程动力缸 - 活塞组件的二冲程循环汽油发动机，其包括单向扫气和两个水平相对的活塞，以及至少一个往复式的清扫泵气缸 - 活塞组件，其中总冲程体积 扫气泵总成比动力缸 - 活塞组件的1.15-1.65倍，功率与泵缸 - 活塞组件之间的操作相位关系如此确定，即泵缸 - 活塞组件的上止点为 在曲柄角图中观察到，在动力缸 - 活塞组件的下死点和清除口关闭相位点之间的中点之前15°和15°之间的范围内，泵缸 - 活塞 装配用品清除混合物。

公开(公告)号：US4026254A

公开(公告)日：1977-05-31

申请号：US579808

申请日：1975-05-22

申请人： Josef Ehrlich

发明人： Josef Ehrlich

IPC分类号： F02B25/14 ,  F02B25/20 ,  F02B75/02 ,  F02B33/04

CPC分类号： F02B25/20 ,  F02B25/14 ,  F02B2075/025

摘要： Disclosed herein is an internal combustion engine (and a method of operation thereof) comprising a piston movable relative to a combustion chamber and to a crankcase to effect cyclical pressure variation in the crankcase in response to piston movement, a transfer passage for introducing fuel-air mixture into the combustion chamber from the crankcase in response to cyclical crankcase pressure variation, an auxiliary chamber separate from the transfer passage, and a port arrangement for providing the auxiliary chamber with pressurized air in response to cyclical crankcase pressure variation and for initiating communication of the auxiliary chamber with the combustion chamber in response to piston movement during the presence of pressurized air in the auxiliary chamber and at a time other than the time of initiation of introduction of fuel-air mixture into the combustion chamber.

摘要翻译： 本发明公开了一种内燃机（及其操作方法），包括可相对于燃烧室和曲轴箱运动的活塞，以响应于活塞运动来实现曲轴箱中的周期性压力变化;用于引入燃料空气的输送通道 混合物响应于循环曲轴箱压力变化而从曲轴箱进入燃烧室，与传送通道分离的辅助室和用于响应于循环曲轴箱压力变化而为辅助室提供加压空气的端口装置，并且用于启动 辅助室与燃烧室响应于在辅助室中存在加压空气期间的活塞运动以及除了开始将燃料 - 空气混合物引入燃烧室之外的时间的时间。

公开(公告)号：US3167059A

公开(公告)日：1965-01-26

申请号：US15388161

申请日：1961-11-21

申请人： JOHN LOVE

发明人： JOHN LOVE

IPC分类号： F01L1/44 ,  F02B25/20 ,  F02M35/104

CPC分类号： F02D9/103 ,  F01L1/446 ,  F02B25/20 ,  F02B2275/22 ,  F02M35/10078 ,  F02M35/10275