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    • 4. 发明授权
    • System for estimating auxiliary-injected fueling quantities
    • 用于估计辅助喷射加油量的系统
    • US06823834B2
    • 2004-11-30
    • US10417829
    • 2003-04-17
    • Donald J. BensonTaner TukenDavid M. CareyJohn T. Carroll, IIIYul J. Tarr
    • Donald J. BensonTaner TukenDavid M. CareyJohn T. Carroll, IIIYul J. Tarr
    • F02B300
    • F02D41/22F02D41/2496F02D41/3809F02D41/40F02D2041/224F02D2041/227F02D2200/0612F02D2200/0616Y02T10/44
    • A system for estimating an auxiliary-injected fuel quantity includes a fuel injector for injecting fuel into an engine, a fuel pump supplying fuel to a fuel collection unit that then supplies fuel to the fuel injector, and a control circuit that generates an auxiliary-injected fuel quantity estimation model by disabling the fuel pump prior to fuel injection, and enabling the fuel pump to resume fuel pumping following fuel injection, by the fuel injector, determines a first pressure in the fuel collection unit after stabilization of the fuel pressure therein following disablement of the fuel pump and prior to the fuel injection, determines a second pressure in the fuel collection unit after the fuel injection and prior to resuming pumping of fuel by the fuel pump, and forms the model as a function of the first and second pressures and an injector on-time for a number of different engine operating conditions.
    • 用于估计辅助喷射燃料量的系统包括用于将燃料喷射到发动机中的燃料喷射器,向向燃料喷射器供应燃料的燃料收集单元供应燃料的燃料泵,以及产生辅助喷射的燃料的控制电路 燃料量估计模型,通过在燃料喷射之前禁用燃料泵,以及使得燃料泵能够通过燃料喷射器在燃料喷射之后恢复燃料泵送,在确定燃料收集单元中的燃料压力之后确定其中的第一压力 并且在燃料喷射之前确定燃料收集单元中的燃料喷射之后的第二压力,并且在由燃料泵重新启动燃料之前确定燃料收集单元中的第二压力,并且作为第一和第二压力的函数形成模型,并且 一个注射器在时间上为许多不同的发动机工作条件。
    • 7. 发明授权
    • Needle controlled fuel system with cyclic pressure generation
    • 具有循环压力发生的针控制燃料系统
    • US5819704A
    • 1998-10-13
    • US903310
    • 1997-07-30
    • Yul J. TarrJohn D. CroftsJohn T. Carroll, IIILaszlo D. Tikk
    • Yul J. TarrJohn D. CroftsJohn T. Carroll, IIILaszlo D. Tikk
    • F02M47/00F02D41/00F02D41/20F02D41/38F02D41/40F02M47/02F02M51/00F02M55/00F02M55/02F02M57/02F02M59/06F02M59/36F02M61/14F02M63/00F02M63/02F02M7/00
    • F02M51/005F02M47/027F02M55/005F02M57/02F02M57/025F02M57/026F02M59/06F02M59/366F02M61/14F02M63/0225F02D41/3809F02M2200/21F02M2547/003
    • The improved needle controlled common rail fuel system of the present invention includes split common rails serving respective sets of unit injectors. Each unit injector includes a mechanically actuated plunger reciprocally mounted to cyclically create gradual periods of increasing pressure in the common rail during the advancement stroke of the plunger followed by respective periods of decreasing pressure during the plunger's retraction stroke. The fuel injectors include a pressure control valve for controlling the amount of fuel pressurized by the plunger and a needle valve control device including an injection control valve for creating an injection event during a pumping event by controlling the fuel flow to drain so as to control the fuel pressure forces acting on an injector needle valve element. A flow limiting device is provided to limit the fuel flow from a control volume to drain during an injection event thus reducing parasitic losses while maintaining quick valve closing. In addition, a pressure energy recuperation means is provided which utilizes the pressure of the fuel in each injector's pressure chamber as a result of the pressure energy stored in the fuel to assist in retraction of the injector plunger during each pumping event.
    • 本发明的改进的针控共轨燃料系统包括用于各组单元喷射器的分开的共轨。 每个单元喷射器包括机械致动的柱塞,其往复安装以在柱塞的前进行程期间循环地创建共轨中的逐渐增加的压力周期,随后在柱塞的回缩冲程期间各自减小压力周期。 燃料喷射器包括用于控制由柱塞加压的燃料量的压力控制阀和包括喷射控制阀的针阀控制装置,该喷射控制阀用于通过控制排出的燃料流从而在泵送事件期间产生喷射事件,从而控制 作用在喷射器针阀元件上的燃料压力。 提供流动限制装置以在喷射事件期间将燃料流从控制体积限制到排放,从而在保持快速关阀的同时减少寄生损失。 此外,提供了一种压力能量回收装置,其利用存储在燃料中的压力能量,在每个泵送事件期间有助于使喷射器柱塞缩回,从而利用每个喷射器的压力室中的燃料的压力。
    • 8. 发明授权
    • Needle controlled fuel system with cyclic pressure generation
    • 具有循环压力发生的针控制燃料系统
    • US5676114A
    • 1997-10-14
    • US686491
    • 1996-07-25
    • Yul J. TarrJohn D. CroftsJohn T. Carroll, IIILaszlo D. Tikk
    • Yul J. TarrJohn D. CroftsJohn T. Carroll, IIILaszlo D. Tikk
    • F02M47/00F02D41/00F02D41/20F02D41/38F02D41/40F02M47/02F02M51/00F02M55/00F02M55/02F02M57/02F02M59/06F02M59/36F02M61/14F02M63/00F02M63/02F02M41/00F02M7/00
    • F02M57/026F02M47/027F02M51/005F02M55/005F02M57/02F02M57/025F02M59/06F02M59/366F02M61/14F02M63/0225F02D41/3809F02M2200/21F02M2547/003
    • The improved needle controlled common rail fuel system of the present invention includes split common rails serving respective sets of injectors and a respective high pressure pump associated with each rail. The high pressure pumps reciprocate to cyclically create gradual periods of increasing pressure in the common rail during the advancement stroke of the plunger followed by respective periods of decreasing pressure during the plunger's retraction stroke. The fuel injectors include an injection control valve and a needle control device for creating an injection event during a pumping event by controlling the fuel flow to drain so as to control the fuel pressure forces acting on an injector needle valve element. A flow limiting device is provided to limit the fuel flow from a control volume to drain during an injection event thus reducing parasitic losses while maintaining quick valve closing. The system also includes an improved fuel injector design including an intensification plunger assembly. In addition, a pressure energy recuperation means is provided which utilizes the pressure of the fuel in the common rail and the fuel injectors as a result of the pressure energy stored in the fuel to assist in retraction of the high pressure pump plunger during each pumping event. In addition, a wiring connection harness is provided which permits the connection of an electrically operated fuel delivery device, i.e. injector, to an electrical source simultaneously with the mounting of the fuel delivery device on the engine.
    • 本发明的改进的针控共轨燃料系统包括用于各组喷射器的分开的公共轨道和与每个轨道相关联的相应的高压泵。 高压泵在柱塞的推进行程期间循环地循环地在共轨中产生逐渐增加的压力周期,随后在柱塞的回缩冲程期间各自减小压力周期。 燃料喷射器包括喷射控制阀和针控制装置,用于在泵送事件期间通过控制排出的燃料流来产生喷射事件,以便控制作用在喷射器针阀元件上的燃料压力。 提供流动限制装置以在喷射事件期间将燃料流从控制体积限制到排放,从而在保持快速关阀的同时减少寄生损失。 该系统还包括改进的燃料喷射器设计,包括增强柱塞组件。 此外,提供了一种压力能量回收装置,其利用储存在燃料中的压力能量在共轨和燃料喷射器中的燃料的压力,以帮助每次泵送事件期间高压泵柱塞的收回 。 此外,提供了一种布线连接线束,其允许电动燃料输送装置即喷射器连接到电源,同时将燃料输送装置安装在发动机上。
    • 9. 发明授权
    • Apparatus and method for determining engine static timing errors and overall system bandwidth
    • 用于确定发动机静态定时误差和整个系统带宽的装置和方法
    • US06353791B1
    • 2002-03-05
    • US09564776
    • 2000-05-04
    • Taner TukenDonald J. BensonJohn T. Carroll, III
    • Taner TukenDonald J. BensonJohn T. Carroll, III
    • F02M4512
    • F02D41/009F02D35/023F02D41/3809F02D2200/0602
    • A strategy for quantifying and compensating for between-engine variations in engine static timing, fuel pump phasing and overall system bandwidth includes a control circuit operable to manage a fuel control system including a high pressure, cyclically operable fuel pump and at least one fuel injector operable to supply fuel to an internal combustion engine from a fuel collection unit. In one embodiment, the strategy of the present invention is operable to determine peak values of the fuel pressure within fuel collection unit and corresponding engine position values for a number of different engine speeds and solve a corresponding model-based system of equations to determine a combined engine static timing and fuel pump phasing error as well as a first overall system bandwidth value. In another embodiment, the strategy of the present invention is operable to determine peak values of the pressure within a combustion chamber of the engine along with associated engine position values for a number of different engine speeds and solve for the engine static timing error alone and/or a second overall system bandwidth value. In yet another embodiment, the two foregoing strategies may be combined to produce separately the first and second bandwidth values as well as the individual engine static timing and fuel pump phasing error values. In any case, the computed error and bandwidth values may be used to improve the accuracy of sampled engine and/or fuel control system parameters as they relate to engine position.
    • 用于量化和补偿发动机静态定时,燃料泵相位和总体系统带宽之间的发动机间变化的策略包括控制电路,其可操作以管理燃料控制系统,该燃料控制系统包括高压循环可操作的燃料泵和至少一个燃料喷射器,其可操作 以从燃料收集单元向内燃机供应燃料。 在一个实施例中,本发明的策略可用于确定燃料收集单元内的燃料压力的峰值以及对于多个不同发动机转速的相应的发动机位置值,并且解决相应的基于模型的方程组以确定组合 发动机静态定时和燃油泵相位误差以及第一个整体系统带宽值。 在另一个实施例中,本发明的策略可用于确定发动机的燃烧室内的压力的峰值以及多个不同的发动机转速的相关联的发动机位置值,并且解决单独的发动机静态定时误差和/ 或第二个整体系统带宽值。 在另一个实施例中,可以组合两个前述策略以分别产生第一和第二带宽值以及各个发动机静态定时和燃料泵相位误差值。 在任何情况下,计算的误差和带宽值可用于提高与发动机位置有关的采样发动机和/或燃料控制系统参数的精度。
    • 10. 发明授权
    • Fuel control system including adaptive injected fuel quantity estimation
    • 燃油控制系统包括自适应喷油量估算
    • US06557530B1
    • 2003-05-06
    • US09565010
    • 2000-05-04
    • Donald J. BensonTaner TukenJohn T. Carroll, III
    • Donald J. BensonTaner TukenJohn T. Carroll, III
    • F02M5100
    • F02D41/22F02D41/2496F02D41/3809F02D41/40F02D2041/224F02D2041/227F02D2200/0612F02D2200/0616Y02T10/44
    • A fuel control system for an internal combustion engine including injected fuel quantity estimation includes a fuel pump responsive to a fuel pump command to supply fuel to a fuel collection unit. A pressure sensor is provided for producing a pressure signal indicative of the pressure of fuel within the collection unit throughout a fuel injection event, and an engine position sensor is provided for producing an engine position signal indicative of a crank angle of the engine relative to a reference crank angle. A control circuit includes means responsive to the pressure signal and a desired fueling value for producing an initial fueling command, and further includes a fuel quantity estimation block responsive to the pressure signal, the engine position signal and a final fueling command to produce a fuel quantity estimation value. The final fueling command is computed by the control circuit as a function of the initial fueling command and the fuel quantity adjustment value to which the injector is responsive to supply fuel to the combustion chamber.
    • 一种用于包括喷射燃料量估计的内燃机的燃料控制系统包括响应于燃料泵命令向燃料收集单元供应燃料的燃料泵。 提供压力传感器,用于在整个燃料喷射事件期间产生指示收集单元内的燃料压力的压力信号,并且提供发动机位置传感器,用于产生指示发动机相对于发动机的曲柄角的发动机位置信号 参考曲轴角度。 控制电路包括响应于压力信号的装置和用于产生初始加油命令的期望的加油值,并且还包括响应于压力信号,发动机位置信号和最终加油命令以产生燃料量的燃料量估计块 估计值。 最终加油命令由控制电路根据初始加油指令和喷油器响应于向燃烧室供应燃料的燃料量调节值计算。