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    • 3. 发明授权
    • Particulate trap regeneration temperature control system
    • 微粒陷阱再生温度控制系统
    • US07677028B2
    • 2010-03-16
    • US11363245
    • 2006-02-28
    • David J. KapparosMichael D. Lowe
    • David J. KapparosMichael D. Lowe
    • F01N3/025
    • F01N9/002F01N3/0256F02D41/0245F02D41/029F02D2200/0802Y02T10/26Y02T10/47
    • In one aspect, the present disclosure is directed to a particulate trap regeneration temperature control system. The system may include a particulate trap configured to remove one or more types of particulate matter from an exhaust flow of an engine. The system may also include a heating system configured to increase the temperature of the particulate trap. The system may further include a controller configured to control operation of the heating system during execution of a thermal regeneration event of the particulate trap. The controller may control operation of the heating system by effectuating a first temperature increase of the particulate trap at a predetermined rate up to a first predetermined temperature. The controller may also be configured to effectuate a first temperature hold by maintaining the temperature of the particulate trap at the first predetermined temperature for a predetermined amount of time. The controller may further be configured to effectuate a second temperature increase of the particulate trap at a predetermined rate to a higher second predetermined temperature. In addition, the controller may also be configured to effectuate a second temperature hold by maintaining the temperature of the particulate trap at the second predetermined temperature for a predetermined amount of time.
    • 在一个方面,本发明涉及一种颗粒捕集器再生温度控制系统。 该系统可以包括构造成从发动机的排气流中去除一种或多种类型的颗粒物质的微粒捕集器。 该系统还可以包括被配置为增加颗粒捕集器的温度的加热系统。 该系统还可以包括控制器,该控制器被配置为在颗粒捕集器的热再生事件的执行期间控制加热系统的操作。 控制器可以通过以预定速率直到第一预定温度来实现颗粒捕集器的第一温度升高来控制加热系统的操作。 控制器还可以被配置为通过将颗粒捕集器的温度保持在第一预定温度达预定的时间量来实现第一温度保持。 控制器还可以被配置为以预定的速率将颗粒捕集器的第二温度升高实现到更高的第二预定温度。 此外,控制器还可以被配置为通过将颗粒捕集器的温度保持在第二预定温度达预定时间量来实现第二温度保持。