Methods of operation of fuel injectors with intensified fuel storage
    1.
    发明授权
    Methods of operation of fuel injectors with intensified fuel storage 有权
    具有加强燃料储存的燃油喷射器的操作方法

    公开(公告)号:US09181890B2

    公开(公告)日:2015-11-10

    申请号:US13681240

    申请日:2012-11-19

    摘要: Methods of operating fuel injectors with intensified fuel storage. At least one storage volume is provided in the intensifier type fuel injector, with a check valve between the intensifier and the needle chamber and storage volume preventing loss of injection pressure while the intensifier plunger cylinder is refilling with fuel. Using the check valve to isolate the storage volume from the intensifier to reduce and control pressure spikes that effect injector operation. This provides very efficient injector operation, particularly at low engine loads, by eliminating the wasted energy of compressing, venting and recompressing fuel for injection and reducing and controlling pressure spikes that effect injector operation.

    摘要翻译: 操作具有加强燃料储存的燃油喷射器的方法。 在增压型燃料喷射器中提供至少一个存储容积,在增压器和针室之间具有止回阀,并且在增压器柱塞缸重新填充燃料时防止了注射压力的损失。 使用止回阀将储存容积与增压器隔离,以减少和控制影响注射器运行的压力峰值。 这提供了非常有效的喷油器操作,特别是在低发动机负载下,通过消除压缩,排气和再压缩注射燃料的浪费的能量,并且减少和控制影响喷油器操作的压力尖峰。

    Ammonia fueled mobile and stationary systems and methods
    2.
    发明授权
    Ammonia fueled mobile and stationary systems and methods 有权
    氨燃料的移动和固定系统和方法

    公开(公告)号:US08887690B1

    公开(公告)日:2014-11-18

    申请号:US13181437

    申请日:2011-07-12

    IPC分类号: F02B71/00

    摘要: A piston engine is operated to close an exhaust valve, close an intake valve, and inject ammonia into a cylinder at a start of a compression motion of a piston before substantial compression occurs. The ammonia may be injected into the cylinder as a liquid. The ammonia may be pressurized sufficiently to prevent boiling of the ammonia at a temperature of the engine. A mixture of ammonia and air may be compressed sufficiently to obtain compression ignition of the ammonia. An amount of air in the cylinder during compression may be limited to limit combustion temperatures to below the temperatures for formation of NOx. Air may be injected into the cylinder after ignition of the ammonia and during combustion. The exhaust valve may be closed at a time to trap a predetermined amount of exhaust gas in the cylinder.

    摘要翻译: 操作活塞发动机以关闭排气阀,关闭进气阀,并且在实质压缩发生之前在活塞的压缩运动开始时将氨注入气缸。 氨可以作为液体注入圆筒。 可以充分加压氨以防止在发动机的温度下氨的沸腾。 可以充分压缩氨和空气的混合物以获得氨的压缩点火。 压缩期间气缸中的空气量可能受到限制,以将燃烧温度限制在低于形成NOx的温度。 在点燃氨后和燃烧过程中,空气可以注入气瓶。 一次可以关闭排气阀,以将气缸中的预定量的排气捕获。

    Hydraulic internal combustion engines
    3.
    发明授权
    Hydraulic internal combustion engines 有权
    液压内燃机

    公开(公告)号:US08596230B2

    公开(公告)日:2013-12-03

    申请号:US12901915

    申请日:2010-10-11

    IPC分类号: F02B71/00

    CPC分类号: F02B71/045 F01B11/006

    摘要: Hydraulic internal combustion engines having at least one combustion piston not mechanically connected to a crankshaft or any other combustion piston, but instead acting on hydraulic plungers through valving that is electronically controlled to control the piston position and velocity, typically through an intake stroke, a compression stroke, a combustion or power stroke and an exhaust stroke. Electronically controlled fuel injection and electronically controlled engine valves provided great flexibility in the operating cycles that may be used, with the engine pumping hydraulic fluid to a high pressure accumulator for use in hydraulic motors or other hydraulic equipment. Embodiments using high pressure air injection to sustain combustion are also disclosed.

    摘要翻译: 液压内燃机具有至少一个不机械地连接到曲轴或任何其它燃烧活塞的燃烧活塞,而是通过电阀作用在液压柱塞上,阀通过阀门进行电子控制,以控制活塞的位置和速度,通常通过进气冲程,压缩 行程,燃烧或动力冲程和排气冲程。 电子控制的燃料喷射和电子控制的发动机气门在可以使用的操作循环中提供了极大的灵活性,其中发动机将液压流体泵送到用于液压马达或其他液压设备的高压蓄能器。 还公开了使用高压空气注入以维持燃烧的实施例。

    Multiple intensifier injectors with positive needle control and methods of injection
    4.
    发明授权
    Multiple intensifier injectors with positive needle control and methods of injection 有权
    具有正针控制的多个增压器注射器和注射方法

    公开(公告)号:US08579207B2

    公开(公告)日:2013-11-12

    申请号:US12751118

    申请日:2010-03-31

    摘要: Multiple intensifier injectors with positive needle control and methods of injection that reduce injector energy consumption. The intensifiers are disposed about the axis of the injectors, leaving the center free for direct needle control down the center of the injector. Also disclosed is a boost system, increasing the needle closing velocity but without adding mass to the needle when finally closing. Direct needle control allows maintaining injection pressure on the fuel between injection events if the control system determines that enough fuel has been pressurized for the next injection, thus saving substantial energy when operating an engine at less than maximum power, by not venting and re-pressurizing on every injection event.

    摘要翻译: 具有正针控制的多个增压器注射器和减少注射器能量消耗的注射方法。 增压器围绕喷射器的轴线设置,使得中心可自由地直接针对喷射器中心进行控制。 还公开了一种升压系统,当最终关闭时,增加针闭合速度,但不增加针头的质量。 如果控制系统确定足够的燃料已经被加压以进行下一次喷射,则直接针控制允许在喷射事件之间维持燃料上的喷射压力,从而通过不排气和重新加压来节省在以小于最大功率操作发动机时的大量能量 每次注射事件。

    Compression ignition engines and methods
    5.
    发明授权
    Compression ignition engines and methods 有权
    压缩点火发动机和方法

    公开(公告)号:US07958864B2

    公开(公告)日:2011-06-14

    申请号:US12354624

    申请日:2009-01-15

    IPC分类号: F02M23/00

    摘要: Compression ignition engines and methods of the type wherein the engines operate with one cylinder used as a compression cylinder and a second cylinder used as a combustion cylinder. The engines have all cylinders configured so as to be able to operate as a compression cylinder or a combustion cylinder. In the method of operation, a cylinder may switch its operation between being a compression cylinder and then operate a combustion cylinder. Switching the operation between compression and combustion operation results in an even temperature distribution within the engine, and eliminates the need for special cooling requirements, facilitating retrofit of existing engines. Also use of an air storage tank allows all cylinders to operate as combustion cylinders for short bursts of power. Various other features are disclosed.

    摘要翻译: 压缩式点火发动机和其中发动机以用作压缩气缸的一个气缸和用作燃烧气缸的第二气缸的方式运行。 发动机具有构造为能够作为压缩气缸或燃烧气缸操作的所有气缸。 在操作方法中,气缸可以在压缩气缸之间切换其操作,然后操作燃烧气缸。 在压缩和燃烧操作之间切换操作导致发动机内均匀的温度分布,并且不需要特殊的冷却要求,便于对现有发动机的改造。 另外,使用储气罐可以使所有气缸作为燃烧气瓶作短暂的动力。 公开了各种其它特征。

    High performance, low emission engines, multiple cylinder engines and operating methods
    6.
    发明授权
    High performance, low emission engines, multiple cylinder engines and operating methods 有权
    高性能,低排放发动机,多缸发动机和操作方法

    公开(公告)号:US07954472B1

    公开(公告)日:2011-06-07

    申请号:US12256296

    申请日:2008-10-22

    IPC分类号: F02M23/04

    摘要: High performance, low emission engines, multiple cylinder engines and operating methods based on compression ignition of a combustion chamber charge. In accordance with the methods, fuel is injected into the combustion chamber after the exhaust valve closes, and air is injected into the combustion cylinder before the end of the compression stroke in an amount to limit the temperature after ignition to less than the temperature at which NOX forms. After ignition and during the power stroke, more air is injected into the combustion chamber to sustain combustion until all fuel is consumed, the air being injected so as to again limit the combustion temperatures to less than the temperature at which NOX forms. The air injected during the compression stroke is injected at substantially the same combustion chamber pressure as the air injected during the power stroke, so that air may efficiently be injected from the same pressurized source. The fuel injected into the combustion chamber may be all the fuel needed, or additional fuel may be injected during the power stoke.

    摘要翻译: 高性能,低排放发动机,多缸发动机和基于燃烧室充气压缩点火的操作方法。 根据该方法,在排气阀关闭之后,将燃料喷射到燃烧室中,并且在压缩冲程结束之前将空气以限制点火后的温度的温度下降到小于等于 NOX形式。 在点火之后并且在动力冲程期间,更多的空气被喷射到燃烧室中以维持燃烧直到所有的燃料被消耗,空气被喷射以便再次将燃烧温度限制在低于NO x形成的温度。 在压缩冲程期间喷射的空气以与在动力冲程期间喷射的空气大致相同的燃烧室压力喷射,使得空气可以有效地从相同的加压源喷射。 喷射到燃烧室中的燃料可以是所需的所有燃料,或者在动力期间可以喷射额外的燃料。

    Pressure Balanced Spool Poppet Valves with Printed Actuator Coils
    7.
    发明申请
    Pressure Balanced Spool Poppet Valves with Printed Actuator Coils 失效
    带打印执行机构线圈的压力平衡阀芯阀

    公开(公告)号:US20100277265A1

    公开(公告)日:2010-11-04

    申请号:US12837172

    申请日:2010-07-15

    IPC分类号: H01F7/08

    摘要: Pressure balanced spool poppet valves with printed actuator coils minimize valve leakage and facilitate efficient manufacturing and reliable operation. The spool poppet valves may be configured like a conventional spool valve, but further include a poppet valve at one end of the spool to proved much better sealing when the poppet valve is closed. Various features are disclosed, including pressure balancing for high pressure operation. The printed actuator coils for the spool poppet valves are formed by the interconnection of conductive coils on each of multiple layers of a multiple layer printed circuit board, which circuit board may have a hole there through for accommodation of mechanical and/or magnet requirements, and may include similar printed actuator coils for one or more additional spool poppet valves as well as electronic devices associated with the operation thereof. The spool poppet valves may be advantageously constructed without printed actuator coils, and the printed actuator coils may be advantageously used in actuators of other designs.

    摘要翻译: 具有印刷执行器线圈的压力平衡阀芯提升阀使阀门泄漏最小化,并有助于高效生产和可靠运行。 阀芯提升阀可以像传统的滑阀那样构造,而且还包括在阀芯的一端处的提升阀,以在提升阀关闭时证明更好的密封。 公开了各种特征,包括用于高压操作的压力平衡。 用于卷轴提升阀的打印的致动器线圈由多层印刷电路板的多层中的每一层上的导电线圈的互连形成,该电路板可以在其中具有用于适应机械和/或磁体要求的孔,以及 可以包括用于一个或多个附加卷轴提升阀的类似的印刷致动器线圈以及与其操作相关联的电子装置。 可以有利地构造卷轴提升阀,而不需要印刷的致动器线圈,并且印刷的致动器线圈可以有利地用于其它设计的致动器中。

    Fuel Injectors with Intensified Fuel Storage and Methods of Operating an Engine Therewith
    8.
    发明申请
    Fuel Injectors with Intensified Fuel Storage and Methods of Operating an Engine Therewith 审中-公开
    具有强化燃料储存的燃油喷射器和操作发动机的方法

    公开(公告)号:US20100012745A1

    公开(公告)日:2010-01-21

    申请号:US12502827

    申请日:2009-07-14

    IPC分类号: F02M41/16 F02M61/00

    摘要: Fuel injectors with intensified fuel storage and methods of operating an engine therewith. At least one storage cavity is provided in the intensifier type fuel injector, with a check valve between the intensifier and the needle chamber and storage cavity preventing loss of injection pressure while the intensifier plunger cylinder is refilling with fuel. This provides very efficient injector operation, particularly at low engine loads, by eliminating the wasted energy of compressing, venting and recompressing fuel for injection. Various injector designs and methods of operating the same in an engine are disclosed.

    摘要翻译: 具有增强的燃料储存的燃料喷射器和与其一起运行发动机的方法。 在增压型燃料喷射器中设置至少一个存储空腔,在增压器和针室之间具有止回阀,并且在增压器柱塞缸重新注入燃料时防止了注射压力的损失。 这通过消除压缩,排放和再压缩注入燃料的浪费的能量,特别是在低发动机负荷下,提供非常有效的喷油器操作。 公开了各种喷射器设计及其在发动机中的操作方法。

    Fluid Sensing Shut-Off Devices with Timer and Methods of Operation
    9.
    发明申请
    Fluid Sensing Shut-Off Devices with Timer and Methods of Operation 失效
    带定时器和操作方法的流体感应关闭装置

    公开(公告)号:US20090173398A1

    公开(公告)日:2009-07-09

    申请号:US12402385

    申请日:2009-03-11

    IPC分类号: F16K17/00

    摘要: Fluid sensing shut-off devices with timer and methods of operation to shut off fluid flow if a primary shutoff valve sticks in the on condition. An embodiment is disclosed using a microphone to sense fluid flow, with a microprocessor periodically awakening from a sleep mode to power the sensor and determine if there is flow. If there is flow, the microprocessor times flow, and if flow is not shut off within a predetermined length of time, the microprocessor shuts off the valve. The valve itself normally held in a magnetically latched, valve open state, but may be unlatched by a current pulse to close the valve. Various embodiments and applications are disclosed.

    摘要翻译: 具有定时器和操作方法的流体感测关闭装置,如果主截止阀处于打开状态,则切断流体流动。 公开了使用麦克风感测流体流动的实施例,其中微处理器周期性地从睡眠模式唤醒以为传感器供电并确定是否存在流动。 如果存在流量,微处理器就会流动,如果在预定时间内没有关闭流量,则微处理器关闭阀门。 阀本身通常保持在磁性闭锁的阀打开状态,但是可以通过电流脉冲来解锁以关闭阀。 公开了各种实施例和应用。

    Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valves
    10.
    发明授权
    Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valves 有权
    液压阀致动系统和为一个或多个发动机空气阀提供可变升程的方法

    公开(公告)号:US07387095B2

    公开(公告)日:2008-06-17

    申请号:US11102192

    申请日:2005-04-08

    IPC分类号: F01L9/02

    CPC分类号: F01L9/02 F01L2009/0436

    摘要: Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valves by way of a variable position hard stop. Various embodiments are disclosed, including embodiments controlling lift by providing a choice of two different fixed stops, three different fixed stops, stops continuously variable throughout a range of lifts, and a fixed stop and stops continuously variable throughout a range of lifts. The valves controlled by a variable position hard stop may be a single engine intake or exhaust valve, or multiple valves of any number, and of either intake or exhaust valves or both, or of one intake or one exhaust valve for one or more cylinders in engines having more than one intake or exhaust valve per cylinder. Dashpot deceleration of engine valve velocity on opening to the hard stop and on engine valve closure is disclosed, as are other aspects and embodiments of the invention.

    摘要翻译: 液压阀致动系统和通过可变位置硬停止为一个或多个发动机空气阀提供可变升程的方法。 公开了各种实施例,包括通过提供两个不同的固定挡块,三个不同的固定挡块,在整个升降机范围内可连续变化的止挡件以及在整个升降机范围内连续变化的固定挡块和止挡件来控制升降机的实施例。 由可变位置硬止动器控制的阀可以是单个发动机进气门或排气阀,或任何数量的多个阀,或进气门或排气门或两者,或者一个或多个气缸的一个或多个排气阀 发动机每缸有多于一个进气门或排气阀。 与本发明的其它方面和实施例一样,公开了发动机气门速度对硬停止和发动机气门关闭时的减速。