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    • 3. 发明授权
    • Two-step oil control valve diagnostic systems
    • 两步油控阀诊断系统
    • US07921710B2
    • 2011-04-12
    • US12435725
    • 2009-05-05
    • Kenneth J. CinpinskiDonovan L. DibbleJoshua Cowgill
    • Kenneth J. CinpinskiDonovan L. DibbleJoshua Cowgill
    • G01M15/04
    • F01L1/245F01L2800/12F02B77/082
    • A diagnostic system includes a first pressure monitoring module, a second pressure monitoring module, and a fault determination module. The first pressure monitoring module determines low-lift pressures and high-lift pressures in a cam phaser when a first oil control valve (OCV) moves first valve lifters to the low-lift state and the high-lift state, respectively. The second pressure monitoring module determines low-lift pressures and high-lift pressures in the cam phaser when a second OCV moves second valve lifters to the low-lift state and the high-lift state, respectively. The fault determination module diagnoses a fault in one of the first OCV and the second OCV based the low-lift pressures and the high-lift pressures.
    • 诊断系统包括第一压力监测模块,第二压力监测模块和故障确定模块。 当第一油控阀(OCV)分别将第一阀提升器移动到低提升状态和高升力状态时,第一压力监测模块确定凸轮相移器中的低升程压力和高升程压力。 第二压力监测模块确定当第二个OCV将第二个气门挺杆移动到低升力状态和高升力状态时,凸轮移相器中的低升程压力和高升程压力。 故障确定模块基于低升程压力和高升程压力来诊断第一OCV和第二OCV之一的故障。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR CONTROLLING MULTIPLE FUEL SYSTEMS
    • 用于控制多个燃料系统的系统和方法
    • US20130046453A1
    • 2013-02-21
    • US13324502
    • 2011-12-13
    • Joshua Cowgill
    • Joshua Cowgill
    • F02D41/30
    • F02D41/0025F02D19/061F02D19/0647F02D19/0692F02D19/081F02D41/0027F02D2250/12Y02T10/36
    • A system according to the principles of the present disclosure includes a fuel mass module and a fuel control module. The fuel mass module determines a first fuel mass before the first fuel mass is injected into one of a cylinder of an engine and an injection port of the cylinder. The fuel mass module also determines a second fuel mass after injection of the first fuel mass starts. The fuel control module controls a first fuel injector to inject the first fuel mass into the one of the cylinder and the injection port for a combustion event. The fuel control module also controls a second fuel injector to inject the second fuel mass into one of the cylinder and the injection port for the combustion event. The second fuel injector is different from the first fuel injector.
    • 根据本公开的原理的系统包括燃料质量模块和燃料控制模块。 燃料质量模块在将第一燃料质量注入发动机的气缸和气缸的喷射口之一之前确定第一燃料质量。 燃料质量模块还在喷射第一燃料质量开始之后确定第二燃料质量。 燃料控制模块控制第一燃料喷射器以将第一燃料块注入到用于燃烧事件的气缸和喷射口中的一个。 燃料控制模块还控制第二燃料喷射器以将第二燃料质量喷射到用于燃烧事件的气缸和喷射口中的一个。 第二燃料喷射器与第一燃料喷射器不同。