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    • 1. 发明授权
    • Univalve engine
    • 单反发动机
    • US5331930A
    • 1994-07-26
    • US42695
    • 1993-04-05
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F01L1/28F01N13/10F02B1/04F02B27/00F02B27/04F02B75/12F02B75/20F02M69/04
    • F01N13/10F01L1/28F02B27/006F02B27/008F02B27/04F02B75/20F02M69/044F02B1/04F02B2075/125Y02T10/123Y02T10/146
    • The invention relates to new and useful improvements in those types of internal combustion engines which employ a single poppet valve to alternately control both the intake and exhaust flows through the same valve port. The exhaust and intake air interact within a common manifold wherein mixing is prevented by means of pneumatic elements comprising a nozzle and diffuser combination which direct the flow. The invention improves the separation of intake air and exhaust gases within the manifold of engines of this character by curving the flow axis of the diffuser such that its exit plane is more or less aligned with the logitudinal flow axis of the exhaust pipe. A means of throttling the engine by proportionally distributing the intake air within the said manifold between the airchest and exhaust gas circuits in a manner relative to the engine speed is a further improvement. The method of indirectly injecting fluid into the engine through the valve well is improved by moving the injection cup nearer to the combustion chamber and by contouring its inner surfaces in contact with the alternately bidirectional flow of the intake and exhaust streams such that the temperature of the evaporated injection fluid is higher.
    • 本发明涉及使用单个提升阀来交替地控制通过相同阀口的进气和排气流的这些类型的内燃机的新的和有用的改进。 排气和进气在共同歧管内相互作用,其中通过包括引导流动的喷嘴和扩散器组合的气动元件来防止混合。 本发明通过弯曲扩散器的流动轴线使得其出口平面与排气管的纵向流动轴线对准或多或少地对准,从而改善了该特征的发动机歧管内进气和排气的分离。 通过以相对于发动机转速的方式在最靠近和废气回路之间比例地分配在所述歧管内的吸入空气来限制发动机的装置是进一步的改进。 通过将注射杯移动到燃烧室并且通过使其内表面与进气和排气流的交替双向流动接触的轮廓来改善通过阀井将流体间接喷射到发动机中的方法,使得 蒸发注射液较高。
    • 4. 发明授权
    • Economy engine
    • 经济引擎
    • US5205246A
    • 1993-04-27
    • US943555
    • 1992-09-11
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F01L1/28F01L3/06F01L3/22F02B29/00
    • F01L3/22F01L3/06F02B29/00F01L1/252F02B2275/14F02B2275/22Y02T10/123Y02T10/146
    • The invention presents new and useful improvements in the mechanical design of control elements used in the sequencing of the exhaust and intake process cycles of the 4-stroke reciprocating piston engine. The exhaust and induction circuits pass through the same valve port and their flows are alternately controlled by the same poppet valve. The camshaft exhaust and intake lobes are combined into a single broad double-cycle lobe such that the poppet valve remains fully open at the end of the exhaust stroke permitting the intake stroke to begin with the poppet valve in the same fully open position without the attendant problem of exhaust gas dilution of the air charge entering the engine, as most generally associated with valve overlap in the conventional sequencing method using two poppet valves.The simplification of having only one poppet valve, one valve port, and one cam lobe per each engine cylinder reduces the engine manufacturing cost. The ability to complete the exhaust stroke and begin the intake stroke with the poppet valve in the fully open position increases the systems volumetric efficiency and reduces the pumping work, thus improving the engines specific fuel consumption.
    • 本发明在用于四冲程往复活塞式发动机的排气和进气过程循环的排序中的控制元件的机械设计中提出了新的和有用的改进。 排气和感应电路通过相同的阀口,其流量由相同的提升阀交替控制。 凸轮轴排气和进气凸轮组合成单个宽的双循环凸角,使得提升阀在排气冲程结束时保持完全打开,允许进气冲程从提升阀开始在相同的完全打开位置,而不需要服务员 通常使用两个提升阀在传统的排序方法中通常与阀重叠相关联地排放进入发动机的空气进料的废气稀释问题。 每个发动机气缸只有一个提升阀,一个阀口和一个凸轮凸角的简化会降低发动机制造成本。 通过提升阀完全打开位置完成排气冲程和开始进气冲程的能力提高了系统的容积效率并减少了泵送功率,从而提高了发动机的特定燃料消耗。
    • 5. 发明授权
    • Engine connecting rod and piston assembly
    • 发动机连杆和活塞组件
    • US4463710A
    • 1984-08-07
    • US328364
    • 1981-12-07
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F02B1/04F02B41/00F02B75/32
    • F02B41/00F02B75/32F02B1/04F02B2275/18F02B2275/36Y10T74/2162
    • The invention is a new and useful improvement in the design of connecting rods and pistons for use in reciprocating piston driven internal and external combustion engines and in reciprocating compressors. In the design presented the connecting rod is pivotally attached by a pin to a slider which is slidably mounted in the internal volume of the piston crown. Gas pressure forces generated in the engine cylinder above the piston crown are transmitted to a second pin which is pivotally mounted in a carrier which is in turn slidably mounted in an inclined slot in the connecting rod. Changes in angularity of the connecting rod, caused by rotation of the engine crankshaft, result in the piston being alternately raised and lowered as the carrier holding the second pin slides alternately to the right side and to the left side of the inclined slot thus augmenting the reciprocating motion of the piston. The purpose of the invention is to control the initial and terminal piston speed when the crankshaft is near the top-dead-center or near the bottom-dead-center position of rotation respectively.
    • 本发明是用于往复式活塞驱动内外燃机和往复式压缩机中的连杆和活塞的设计的新的和有用的改进。 在设计中,连杆通过销枢转地连接到可滑动地安装在活塞顶部的内部容积中的滑块。 在发动机缸体中产生的气体压力在活塞顶部上方传递到第二销,该销可枢转地安装在托架中,托架又可滑动地安装在连接杆的倾斜槽中。 由于发动机曲轴的旋转引起的连杆的角度的变化导致活塞随着保持第二销的交替地滑动到倾斜槽的右侧和左侧而交替地升高和降低,从而增加了 活塞往复运动。 本发明的目的是在曲轴分别靠近上死点或靠近下死点中心位置时控制起始和终端活塞速度。
    • 6. 发明授权
    • Engine charge air temperature classifier
    • 发动机增压空气温度分级机
    • US4426967A
    • 1984-01-24
    • US414395
    • 1982-09-02
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F02B1/04F02B33/44F02B37/16F02M33/00F02M15/00F02M31/02
    • F02M33/00F02B33/44F02B37/16F02B1/04Y02T10/144
    • The invention presents new and useful improvements in the method of designing air induction circuits for use in the intake manifolds of super-charged internal combustion engines. An air vortex generating chamber having a single air inlet conduit and two outlet conduits is placed between the compressed air source and the engine fuel atomizing device. The compressed air source entering the vortex chamber inlet is divided into two outlet streams, one hotter and one colder than the initial inlet stream. In the invention the vortex chamber functions as an air temperature management device which separates and classifies the air inducted into the engine in accordance with its heat content and distributes the separated streams to component areas of the intake manifold which are sensitive to temperature change. The warm air outlet, taken from the peripheral region of the vortex chamber, is used as a heat source and is directed above the point of fuel addition thereby increasing the effective vaporization of liquid fuel droplets. The colder outlet air stream, taken from the center of the vortex chamber, is used as a cooling media downstream of the point of fuel addition or at side ports in the engine cylinder, thereby decreasing the temperature in these areas. The addition of warm air improves the combustion efficiency by the reduction of fuel droplet size, while the addition of cool air at the other points in the manifolding increases the engine volumetric efficiency and also provides additional cooling for the piston crowns when applied at cylinder side ports.
    • 本发明在设计用于超级内燃机的进气歧管的空气感应回路的方法中提出了新的有用的改进。 具有单个空气入口管道和两个出口导管的空气涡流发生室被放置在压缩空气源和发动机燃料雾化装置之间。 进入涡流室入口的压缩空气源被分成两个出口流,一个比初始入口流更热,一个冷。 在本发明中,涡流室用作空气温度管理装置,其根据其热含量分离和分类引入发动机的空气,并将分离的流分配到进气歧管对温度变化敏感的部件区域。 从涡流室的周边区域取出的暖风出口被用作热源,并被引导到燃料添加点之上,从而增加了液体燃料液滴的有效蒸发。 从涡流室的中心取出的较冷的出口空气流被用作燃料添加点或发动机气缸侧端口的下游的冷却介质,从而降低这些区域的温度。 暖气的添加通过减少燃料液滴尺寸来提高燃烧效率,而在歧管中的其他点处添加冷空气可提高发动机容积效率,并且当在气缸侧端口处应用时还为活塞冠提供额外的冷却 。
    • 7. 发明授权
    • Engine compound crankshaft
    • 发动机复合曲轴
    • US4152955A
    • 1979-05-08
    • US628917
    • 1975-11-05
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F01B9/02F02B41/04A01K7/00
    • F16H21/30F01B9/02F02B41/04Y02T10/14Y10T74/2181
    • This invention relates to new and useful improvements in the mechanism comprising the crankshaft of internal or external combustion engines and also for use in other externally heated closed vapor cycle systems. In the engine system presented an eccentric is placed between the connecting rod and crankpin and is made to rotate with each revolution of the crankshaft by use of eccentric gearing. Rotation of the eccentric augments the simple harmonic motion induced by rotation of the crankpin thus changing the reciprocating motion of the piston in a manner which improves the efficiency of the mechanical conversion process.
    • 本发明涉及包括内燃机或外燃机的曲轴的机构的新的和有用的改进,并且还用于其它外部加热的封闭蒸气循环系统。 在发动机系统中,偏心轮被放置在连杆和曲柄销之间,并通过使用偏心齿轮使曲轴每转一圈旋转。 偏心轮的旋转增加了曲柄销旋转引起的简单谐波运动,从而以提高机械转换过程效率的方式改变活塞的往复运动。
    • 8. 发明授权
    • Engine air induction circuit
    • 发动机空气感应电路
    • US5975035A
    • 1999-11-02
    • US949957
    • 1997-10-14
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F02B27/04F02M29/02F02M31/18F02B75/32
    • F02M31/18F02B27/04F02M29/02Y02T10/126Y02T10/146
    • The inventon is an improvement of the air induction circuit for internal combustion reciprocating piston engines which employ regenerative heating for the volatilization of fuels and their admixtures in an injection cup heated by the exhaust stream, and in particular to those types of engine systems which employ exhaust gas ejectors in their intake and exhaust manifolding.An auxiliary conduit serving as an air balancing circuit is placed in communication with an air plenum which is also in communication with the ejector air charge circuit. The primary object of this improvement is in its facilitation of the control and stabilization of a uniform mixture ratio of air/fuel charge to the engine.The flow circuit of the auxiliary conduit is controlled by a cam operated poppet valve in synergistic operation with the engines crankshaft and electronically senses and compensates for the displacement of intake air by high volatilization of fuel in the injection cup positioned within the exhaust gas ejector nozzle.
    • 本发明是用于内燃往复活塞式发动机的空气感应回路的改进,其采用再生加热来将燃料及其混合物挥发于由排气流加热的注射杯中,特别是使用采用排气的那些类型的发动机系统 气体喷射器在进气和排气歧管中。 用作空气平衡电路的辅助导管与还与喷射器空气充电电路连通的空气室相连通。 这种改进的主要目的在于促进对发动机的空气/燃料装料的均匀混合比率的控制和稳定化。 辅助管道的流动回路由凸轮操作的提升阀与发动机曲轴协同操作控制,并通过电子感应并补偿位于排气喷射器喷嘴内的注射杯中的高挥发性燃料的进气排量。
    • 9. 发明授权
    • Dual cycle engine
    • 双循环发动机
    • US5191858A
    • 1993-03-09
    • US916394
    • 1992-07-20
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F02B3/06F02B25/00F02B29/02F02B69/06F02B75/02F02F1/36
    • F02B29/02F02B25/00F02B69/06F02B75/02F02F1/365F02B2075/025F02B2075/027F02B2275/22F02B3/06Y02T10/146
    • The invention relates to new and useful improvements in dual-cycle engine design and construction. The invention enhances the mechanical ability of such engines to automatically match the engine cycle with the load conditions while the system is in operation in a manner which significantly reduces the specific fuel consumption. Using the standard L-head engine configuration, the upper cylinder manifolding and the lower cylinder manifolding are combined as single flow channels reducing the number of components required to sequence flow to and from the engine. Combining the upper and lower cylinder manifold circuits standardizes the operating pressures in each system improving exhaust gas ejector efficiencies, facilitating engine control, and simplifying the application of pressure boosting in the air induction circuit. These improvements reduce the design complexity and simplify the automatic transition from 4-stroke to 2-stroke operation. Other benefits of the invention are the reduction of manufacturing costs, decreased engine weight and smaller system envelope.
    • 本发明涉及双循环发动机设计和施工的新的和有用的改进。 本发明提高了这样的发动机的机械能力,以便以显着降低比燃料消耗的方式在系统运行时自动匹配发动机循环与负载条件。 使用标准的L头发动机配置,上气缸歧管和下气缸歧管组合为单流道,减少了顺序流向和从发动机排出的部件数量。 组合上,下气缸歧管回路标准化每个系统中的工作压力,提高废气喷射器效率,促进发动机控制,并简化空气感应回路中增压的应用。 这些改进降低了设计复杂性,并简化了从四冲程到二冲程操作的自动转换。 本发明的其它益处在于降低制造成本,降低发动机重量和较小的系统包络。
    • 10. 发明授权
    • Dual cycle engine process
    • 双循环引擎过程
    • US5154141A
    • 1992-10-13
    • US794938
    • 1991-11-20
    • Edward M. McWhorter
    • Edward M. McWhorter
    • F02B1/04F02B27/00F02B29/00F02B69/06F02B75/02F02B75/12
    • F02B69/06F02B27/006F02B29/00F02B75/02F02B1/04F02B2075/025F02B2075/027F02B2075/125Y02T10/123Y02T10/146
    • The invention relates to new and useful improvements in the exhaust and induction processes of the piston driven internal combustion engine. In the invention a gas ejector is used in conjunction with a poppet valve to control the induction of air and the discharge of combustion gases through a common duct within the engine cylinder head. The common duct is brought into communication with the clearance volume above the engine piston by rotation of the engine camshaft which is made equal to the rotation of the engine crankshaft, such that the poppet valve is operated at twice the cycle frequency required for four-stroke operation in the conventional engine. By operating the valve at this cycle frequency, and by the employment of gas ejector systems at the cylinder head above the poppet valve, and at another position on the engine cylinder near the bottom dead center of the engine piston travel, the engine is able to function interchangeably as a four-stroke or as a two-stroke system while running. This is done automatically by use of an electronic timing circuit which controls the rate of fuel injection and spark ignition with the use of an engine speed sensor placed in parallel or in series circuit with a second sensor which monitors system pressure in the clearance volume above the piston.
    • 本发明涉及活塞驱动的内燃机的排气和感应过程中的新的和有用的改进。 在本发明中,气体喷射器与提升阀结合使用以控制空气的感应和燃烧气体通过发动机气缸盖内的公共管道的排放。 通过与发动机曲轴的转动相等的发动机凸轮轴的旋转,使公共管道与发动机活塞上方的间隙容积连通,使得提升阀以四冲程所需的循环频率的两倍 在常规发动机中操作。 通过在该循环频率下操作阀,并且通过在提升阀上方的气缸盖处使用气体喷射器系统,并且在发动机活塞的下死点附近的发动机气缸的另一位置行进,发动机能够 在运行时可以互换地作为四冲程或二冲程系统。 这通过使用电子定时电路自动完成,该电子定时电路使用与第二传感器并联放置的发动机速度传感器或与第二传感器串联电路来控制燃料喷射和火花点火的速率,该第二传感器监测间隙容积中的系统压力 活塞。