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    Internal combustion engines
    2.
    发明授权
    Internal combustion engines 失效

    公开(公告)号：US06427647B1

    公开(公告)日：2002-08-06

    申请号：US09975726

    申请日：2001-10-11

    申请人： William E. Galka ,  Ronald H. Roche

    发明人： William E. Galka ,  Ronald H. Roche

    IPC分类号： F02B3304

    CPC分类号： F02M17/04 ,  F02B25/14 ,  F02B25/22 ,  F02B33/04 ,  F02B33/44 ,  F02B2075/025 ,  F02M13/046 ,  F02M23/03 ,  F02M59/107 ,  F02M59/14 ,  F02M69/10 ,  F02M69/18 ,  Y02T10/146

    摘要： A two stroke combustion engine, equipped with fuel injection apparatus and ignition timing controlled by throttle position, has a charge forming device which delivers a rich fuel mixture from an integral float-type fuel chamber. The fuel injection apparatus typically comprises a tuned injector tube that communicates between a crankcase injector port and a cylinder injector port. The vast majority of fuel mixes with air in an injector mixing passage of the charge forming device where it is subsequently delivered to the tuned injector tube which directly injects the rich fuel mixture into a cylinder of the engine. The rich fuel mixture supplied by the charge forming device injects into the combustion chamber through the cylinder injector port via a reflected pressure wave generated from the previous combustion cycle. A primary air circuit of the charge forming device delivers a substantially lean mixture of fuel-and-air into the crankcase at high engine speeds where it flows from the crankcase through an air feed passage and into the combustion chamber. At idle and low speed engine conditions where throttle position is less than fifty percent open, ignition timing is predominately used to control engine operation. This feature simplifies design and calibration of the charge forming device while improving engine performance at extremely low fuel demands and load conditions.

    Charge forming device and solenoid valve
    4.
    发明授权
    Charge forming device and solenoid valve 有权
    充电成型装置和电磁阀

    公开(公告)号：US08382072B1

    公开(公告)日：2013-02-26

    申请号：US12726001

    申请日：2010-03-17

    申请人： William E. Galka ,  Ronald H. Roche

    发明人： William E. Galka ,  Ronald H. Roche

    IPC分类号： F02M7/12

    CPC分类号： F02M7/12 ,  F02M7/20

    摘要： A fuel and air charge forming device, such as a carburetor, may include a main body, a fuel and air mixing passage in the body, a fluid passage communicating with the fuel and air mixing passage and a solenoid valve. The solenoid valve may include a coil and a valve body having a base fixed against movement and a valve head extending from the base. The valve head may be driven by the coil between a first position wherein the valve head at least partially obstructs the fluid passage and a second position wherein the valve head permits greater fluid flow in the fluid passage to control fluid flow through the fluid passage.

    摘要翻译： 诸如化油器的燃料和空气充气形成装置可以包括主体，主体中的燃料和空气混合通道，与燃料和空气混合通道连通的流体通道和电磁阀。 电磁阀可以包括线圈和具有固定抵抗运动的基座的阀体和从基座延伸的阀头。 阀头可以由第一位置驱动，其中阀头至少部分地阻塞流体通道和第二位置，其中阀头允许在流体通道中更大的流体流动以控制通过流体通道的流体流动。

    Fuel metering system for a carburetor
    6.
    发明授权
    Fuel metering system for a carburetor 有权
    化油器燃油计量系统

    公开(公告)号：US06715737B2

    公开(公告)日：2004-04-06

    申请号：US10226551

    申请日：2002-08-23

    申请人： William E. Galka ,  Bradley D. Hilbig ,  Ronald H. Roche ,  James E. Van Allen

    发明人： William E. Galka ,  Bradley D. Hilbig ,  Ronald H. Roche ,  James E. Van Allen

    IPC分类号： F02M1704

    CPC分类号： F02M17/04 ,  F02M19/00 ,  Y10S261/68

    摘要： A fuel metering system for a combustion engine carburetor utilizes a non-convoluted, planar, flexible diaphragm which does not require a molding process to form a traditional convolution. The diaphragm defines in part a pressure controlled fuel metering chamber on one side and a reference chamber at atmospheric pressure on the other side. During operation of the engine, sub-atmospheric pressure within a fuel and air mixing passage draws fuel from the metering chamber to mix with air for combustion within the engine. As pressure within the metering chamber thus decreases, the diaphragm flexes into metering chamber. The displacement of the diaphragm actuates a flow control valve of the metering system which flows pressurized make-up fuel into the metering chamber until the diaphragm returns to its datum position. Preferably, hardware of the flow control valve which is in direct contact with a surface of the diaphragm exposed to the metering chamber does not penetrate the diaphragm as the traditional rivet and washer assembly would. Therefore, manufacturing costs are reduced and any opportunity of leakage between the fuel metering chamber and reference chamber is eliminated. Preferably, the carburetor is of a manual external purge type in order to exert sufficient vacuum within the metering chamber to displace the metering diaphragm thus opening the flow control valve to purge the carburetor of unwanted fuel vapor and air prior to starting the engine. The novel planar diaphragm thereby resolves problems associated with traditional metering diaphragms such as variation in convolution datum height affecting flow control valve lever/diaphragm clearances, non-symmetric convolution axis or distorted convolution affecting diaphragm pressure response and recovery.

    摘要翻译： 用于燃烧发动机化油器的燃料计量系统利用无卷积的平面的柔性隔膜，其不需要模制过程以形成传统的卷积。 隔膜部分地限定一侧的压力控制的燃料计量室和在另一侧的大气压下的参考室。 在发动机操作期间，燃料和空气混合通道内的次大气压力从计量室抽取燃料以与发动机内的空气混合燃烧。 由于计量室内的压力因此减小，隔膜弯曲进入计量室。 隔膜的位移致动计量系统的流量控制阀，该流量控制阀将加压的补充燃料流入计量室，直到隔膜返回到其基准位置。 优选地，流量控制阀的与暴露于计量室的隔膜的表面直接接触的硬件不像传统的铆钉和垫圈组件那样穿透隔膜。 因此，制造成本降低，并且消除了燃料计量室和参考室之间的任何泄漏的机会。 优选地，化油器是手动外部吹扫型，以便在计量室内施加足够的真空以移动计量隔膜，从而打开流量控制阀，以在启动发动机之前清除不想要的燃料蒸气和空气的化油器。 新颖的平面膜片因此解决了与传统计量隔膜相关的问题，例如影响流量控制阀杆/隔膜间隙的卷积基准高度的变化，非对称卷积轴或影响膜片压力响应和恢复的扭曲卷积。

    Engine dual fuel supply apparatus
    7.
    发明授权
    Engine dual fuel supply apparatus 失效
    发动机双燃料供应装置

    公开(公告)号：US06394426B1

    公开(公告)日：2002-05-28

    申请号：US09612076

    申请日：2000-07-07

    申请人： William E. Galka ,  Joseph M. Graham ,  Anthony M. Kueffner ,  Peter P. Kuperus ,  Ronald H. Roche

    发明人： William E. Galka ,  Joseph M. Graham ,  Anthony M. Kueffner ,  Peter P. Kuperus ,  Ronald H. Roche

    IPC分类号： F02M712

    CPC分类号： F02M17/04 ,  F02M7/22

    摘要： An engine fuel apparatus has a fuel and air mixing passage through which a rich fuel and air mixture is provided to an engine to support the operation of the engine at idle and low speed, low load engine operation, and a pressurized fuel delivery passage provides liquid fuel to a downstream fuel injector for operation of the engine at high load, high speed and wide open throttle engine operating conditions. A shut-off valve prevents the flow of fuel to the mixing passage when a throttle valve therein, which controls engine operation, is opened a predetermined amount from idle to prevent the flow of the fuel into the mixing passage at high load and/or high speed engine operation. Another shut-off valve prevents the flow of pressurized fuel to the downstream fuel injector device when the throttle valve is between idle and a predetermined position off of idle to prevent the flow of pressurized fuel to the fuel injector device under low speed, low load engine operation. Desirably, a camshaft rotated in response to rotation of the throttle valve is used to actuate both shut-off valves.

    摘要翻译： 发动机燃料装置具有燃料和空气混合通道，通过该燃料和空气混合通道将丰富的燃料和空气混合物提供给发动机以在怠速和低速，低负载发动机运行时支持发动机的操作，并且加压燃料输送通道提供液体 燃料到下游燃料喷射器，用于在高负载，高速和大开度节气门发动机运行条件下操作发动机。 当其中控制发动机操作的节流阀从怠速打开预定量时，截止阀防止燃料流向混合通道，以防止燃料在高负载和/或高压下进入混合通道 高速发动机运转。 当节流阀处于怠速状态和空闲状态之间的预定位置时，另一个截止阀防止加压燃料流向下游燃料喷射器装置，以防止加压燃料在低速低负载发动机下流向燃料喷射器装置 操作。 理想地，响应于节流阀的旋转而旋转的凸轮轴用于致动两个截止阀。

    Evaporative emission controls in a fuel system
    8.
    发明授权
    Evaporative emission controls in a fuel system 失效
    燃料系统中的蒸发排放控制

    公开(公告)号：US07591251B1

    公开(公告)日：2009-09-22

    申请号：US11787332

    申请日：2007-04-16

    申请人： Ronald H. Roche ,  Mark S. Swanson ,  John C. Woody

    发明人： Ronald H. Roche ,  Mark S. Swanson ,  John C. Woody

    IPC分类号： F02M37/20 ,  F16K24/00

    CPC分类号： F02M37/20 ,  F02M25/0836 ,  F16K17/19 ,  F16K24/00 ,  Y10T137/86324

    摘要： A method, fuel system, and components for facilitating the delivery of liquid fuel from a fuel tank in fluid communication with a float bowl carburetor of an internal combustion engine, wherein evaporative emissions of the fuel from the fuel tank and float bowl carburetor are mitigated. During operation of the engine, fluid communication is permitted between the fuel tank and the carburetor, and fuel vapors at a predetermined threshold superatmospheric pressure are permitted to vent outwardly from the fuel tank. During inoperation of the engine, fluid communication is prevented between the fuel tank and the carburetor, and fuel vapors at a predetermined threshold superatmospheric pressure are permitted to vent outwardly from the fuel tank.

    摘要翻译： 一种方法，燃料系统和用于便于从燃料箱输送液体燃料的部件，该燃料箱与内燃机的浮罐化油器流体连通，其中减轻了来自燃料箱和浮球式化油器的燃料的蒸发排放。 在发动机操作期间，允许在燃料箱和化油器之间进行流体连通，并且允许在预定阈值超大气压下的燃料蒸汽从燃料箱向外排放。 在发动机的工作期间，在燃料箱和化油器之间防止流体连通，并且允许在预定阈值超大气压下的燃料蒸汽从燃料箱向外排气。

    Evaporative emission controls
    9.
    发明授权
    Evaporative emission controls 有权
    蒸发排放控制

    公开(公告)号：US07185639B1

    公开(公告)日：2007-03-06

    申请号：US10955795

    申请日：2004-09-30

    申请人： Ronald H. Roche ,  John C. Woody

    发明人： Ronald H. Roche ,  John C. Woody

    IPC分类号： F02M37/20 ,  F02D77/08

    CPC分类号： F02M25/0836 ,  F02M25/089 ,  F02M37/20

    摘要： A method, fuel system, and a valve for facilitating the delivery of liquid fuel and fuel vapors from a fuel tank in fluid communication with a carburetor of an internal combustion engine. During operation of the internal combustion engine, the fuel tank is permitted to fluidically communicate the liquid fuel to the carburetor, and to vent the fuel vapors to one or more of a carbon canister, the atmosphere, and the carburetor. In contrast, when the internal combustion engine is not operating, the fuel tank is prevented from fluidically communicating the liquid fuel to the carburetor, and from venting the fuel vapors to one or more of the carbon canister, the atmosphere, and the carburetor, thereby preventing escape of evaporative emissions of the fuel from the fuel tank.

    摘要翻译： 一种方法，燃料系统和阀，用于便于从与内燃机的化油器流体连通的燃料箱中输送液体燃料和燃料蒸气。 在内燃机操作期间，允许燃料箱使液体燃料与化油器流体连通，并将燃料蒸气排放到碳罐，大气和化油器中的一个或多个。 另一方面，当内燃机不工作时，能够防止燃料箱将液体燃料与化油器流体连通，从而将燃料蒸气排出到碳罐，大气和化油器中的一个以上。 防止来自燃料箱的燃料的蒸发排放物的逸出。

    Fuel vapor control system
    10.
    发明授权
    Fuel vapor control system 有权
    燃油蒸汽控制系统

    公开(公告)号：US07350511B1

    公开(公告)日：2008-04-01

    申请号：US11183667

    申请日：2005-07-18

    申请人： Ronald H. Roche ,  Mark S. Swanson

    发明人： Ronald H. Roche ,  Mark S. Swanson

    IPC分类号： F02M33/02

    CPC分类号： F02M25/0872 ,  A01D34/82 ,  F02B63/02 ,  F02M25/0854

    摘要： A system for reducing escape to the atmosphere of hydrocarbon fuel vapors from a fuel tank for a combustion engine powered device including at least one functional member that directly communicates with the fuel tank and is constructed to receive and retain hydrocarbon vapors therein. The functional member may further include a bed of activated carbon-based material for adsorbing and purging of the hydrocarbon vapors. The functional member is otherwise useful to the device beyond the vapor handling function and may be incorporated into a handlebar assembly, frame component, housing, cover, and the like thereby reducing component parts and reducing cost and complexity of the device.

    摘要翻译： 一种用于减少从用于内燃发动机动力装置的燃料箱向烃燃料蒸汽的大气逸出的系统，该燃料发动机动力装置包括至少一个与燃料箱直接连通并被构造成在其中容纳和保留烃蒸汽的功能构件。 功能性构件还可以包括用于吸附和吹扫烃蒸气的活性炭基材料床。 功能部件在除了蒸气处理功能之外对于该装置是有用的，并且可以并入到车把组件，框架部件，壳体，盖子等中，从而减少部件并降低装置的成本和复杂性。