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    • 1. 发明授权
    • Engine control system having pressure-based timing
    • 发动机控制系统具有基于压力的定时
    • US08028679B2
    • 2011-10-04
    • US12292832
    • 2008-11-26
    • Martin L. WilliScott B. FivelandDavid T. MontgomeryWeidong Gong
    • Martin L. WilliScott B. FivelandDavid T. MontgomeryWeidong Gong
    • F02M1/00
    • F01L1/34F01L1/181F01L1/262F01L13/0015
    • A control system for an engine having a first cylinder and a second cylinder is disclosed having a first engine valve movable to regulate a fluid flow of the first cylinder and a first actuator associated with the first engine valve. The control system also has a second engine valve movable to regulate a fluid flow of the second cylinder and a sensor configured to generate a signal indicative of a pressure within the first cylinder. The control system also has a controller that is in communication with the first actuator and the sensor. The controller is configured to compare the pressure within the first cylinder with a desired pressure and selectively regulate the first actuator to adjust a timing of the first engine valve independently of the timing of the second engine valve based on the comparison.
    • 公开了具有第一气缸和第二气缸的用于发动机的控制系统,其具有可调节第一气缸的流体流动的第一发动机气门和与第一发动机气门相关联的第一致动器。 控制系统还具有可移动以调节第二气缸的流体流动的第二发动机气门和被配置为产生指示第一气缸内的压力的信号的传感器。 控制系统还具有与第一致动器和传感器通信的控制器。 控制器被配置为将第一气缸内的压力与期望的压力进行比较,并且基于该比较,选择性地调节第一致动器以独立于第二发动机气门的定时来调节第一发动机气门的定时。
    • 6. 发明申请
    • Engine control system having pressure-based timing
    • 发动机控制系统具有基于压力的定时
    • US20100126465A1
    • 2010-05-27
    • US12292832
    • 2008-11-26
    • Martin L. WilliScott B. FivelandDavid T. MontgomeryWeidong Gong
    • Martin L. WilliScott B. FivelandDavid T. MontgomeryWeidong Gong
    • F02M7/00F01L1/34H02P9/04
    • F01L1/34F01L1/181F01L1/262F01L13/0015
    • A control system for an engine having a first cylinder and a second cylinder is disclosed having a first engine valve movable to regulate a fluid flow of the first cylinder and a first actuator associated with the first engine valve. The control system also has a second engine valve movable to regulate a fluid flow of the second cylinder and a sensor configured to generate a signal indicative of a pressure within the first cylinder. The control system also has a controller that is in communication with the first actuator and the sensor. The controller is configured to compare the pressure within the first cylinder with a desired pressure and selectively regulate the first actuator to adjust a timing of the first engine valve independently of the timing of the second engine valve based on the comparison.
    • 公开了具有第一气缸和第二气缸的用于发动机的控制系统,其具有可调节第一气缸的流体流动的第一发动机气门和与第一发动机气门相关联的第一致动器。 控制系统还具有可移动以调节第二气缸的流体流动的第二发动机气门和被配置为产生指示第一气缸内的压力的信号的传感器。 控制系统还具有与第一致动器和传感器通信的控制器。 控制器被配置为将第一气缸内的压力与期望的压力进行比较,并且基于该比较,选择性地调节第一致动器以独立于第二发动机气门的定时来调节第一发动机气门的定时。
    • 9. 发明申请
    • Engine control system having emissions-based adjustment
    • 发动机控制系统具有基于排放的调整
    • US20100126481A1
    • 2010-05-27
    • US12292826
    • 2008-11-26
    • Martin L. WilliScott B. FivelandDavid T. MontgomeryWeidong Gong
    • Martin L. WilliScott B. FivelandDavid T. MontgomeryWeidong Gong
    • F02D41/00
    • F02D35/023F02D35/026F02D41/1462
    • A control system for an engine having a first cylinder and a second cylinder is disclosed including an air/fuel ratio control device configured to affect an air/fuel ratio within the first and second cylinders. The control system also has a first sensor configured to generate a first signal indicative of a combustion pressure within the first cylinder and a second sensor configured to generate a second signal indicative of a combustion pressure within the second cylinder. The control system further has a controller in communication with the air/fuel ratio control device and the first and second sensors. The controller is configured to determine a NOx production within the first cylinder based on the first signal and determine a NOx production within the second cylinder based on the second signal. The control is also configured to calculate a total NOx production of the engine based on at least the NOx produced within the first and second cylinders and selectively regulate the air/fuel ratio control device to adjust the air/fuel ratio within the first and second cylinders based on the total NOx production of the engine.
    • 公开了一种用于具有第一气缸和第二气缸的发动机的控制系统,其包括空气/燃料比控制装置,该空燃比控制装置构造成影响第一和第二气缸内的空气/燃料比。 所述控制系统还具有第一传感器,其被配置为产生指示所述第一气缸内的燃烧压力的第一信号,以及被配置为产生指示所述第二气缸内的燃烧压力的第二信号的第二传感器。 控制系统还具有与空燃比控制装置以及第一和第二传感器连通的控制器。 控制器被配置为基于第一信号确定第一气缸内的NOx产生,并且基于第二信号确定第二气缸内的NOx产生。 该控制还被配置为基于至少在第一和第二气缸内产生的NOx计算发动机的总NOx产生,并且选择性地调节空/燃比控制装置以调节第一和第二气缸内的空燃比 基于发动机的总NOx产生。